Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
NOAA National Weather Service's GIS Data and Product Survey... Click here to take the survey.


Hydrograph River at a Glance Download
Nantucket Harbor at Nantucket Tide Height (ft)Observed: 3 ft at 11:36AM Apr 16, 2015Observed: 2.93 ft at 11:42AM Apr 16, 2015Observed: 2.9 ft at 11:48AM Apr 16, 2015Observed: 2.84 ft at 11:54AM Apr 16, 2015Observed: 2.77 ft at 12:00PM Apr 16, 2015Observed: 2.72 ft at 12:06PM Apr 16, 2015Observed: 2.66 ft at 12:12PM Apr 16, 2015Observed: 2.59 ft at 12:18PM Apr 16, 2015Observed: 2.52 ft at 12:24PM Apr 16, 2015Observed: 2.44 ft at 12:30PM Apr 16, 2015Observed: 2.36 ft at 12:36PM Apr 16, 2015Observed: 2.29 ft at 12:42PM Apr 16, 2015Observed: 2.21 ft at 12:48PM Apr 16, 2015Observed: 2.13 ft at 12:54PM Apr 16, 2015Observed: 2.05 ft at 1:00PM Apr 16, 2015Observed: 1.96 ft at 1:06PM Apr 16, 2015Observed: 1.87 ft at 1:12PM Apr 16, 2015Observed: 1.8 ft at 1:18PM Apr 16, 2015Observed: 1.68 ft at 1:24PM Apr 16, 2015Observed: 1.59 ft at 1:30PM Apr 16, 2015Observed: 1.51 ft at 1:36PM Apr 16, 2015Observed: 1.43 ft at 1:42PM Apr 16, 2015Observed: 1.32 ft at 1:48PM Apr 16, 2015Observed: 1.21 ft at 1:54PM Apr 16, 2015Observed: 1.13 ft at 2:00PM Apr 16, 2015Observed: 1.03 ft at 2:06PM Apr 16, 2015Observed: 0.93 ft at 2:12PM Apr 16, 2015Observed: 0.84 ft at 2:18PM Apr 16, 2015Observed: 0.73 ft at 2:24PM Apr 16, 2015Observed: 0.63 ft at 2:30PM Apr 16, 2015Observed: 0.53 ft at 2:36PM Apr 16, 2015Observed: 0.43 ft at 2:42PM Apr 16, 2015Observed: 0.34 ft at 2:48PM Apr 16, 2015Observed: 0.25 ft at 2:54PM Apr 16, 2015Observed: 0.16 ft at 3:00PM Apr 16, 2015Observed: 0.08 ft at 3:06PM Apr 16, 2015Observed: 0 ft at 3:12PM Apr 16, 2015Observed: -0.08 ft at 3:18PM Apr 16, 2015Observed: -0.17 ft at 3:24PM Apr 16, 2015Observed: -0.26 ft at 3:30PM Apr 16, 2015Observed: -0.33 ft at 3:36PM Apr 16, 2015Observed: -0.42 ft at 3:42PM Apr 16, 2015Observed: -0.49 ft at 3:48PM Apr 16, 2015Observed: -0.54 ft at 3:54PM Apr 16, 2015Observed: -0.58 ft at 4:00PM Apr 16, 2015Observed: -0.6 ft at 4:06PM Apr 16, 2015Observed: -0.6 ft at 4:12PM Apr 16, 2015Observed: -0.59 ft at 4:18PM Apr 16, 2015Observed: -0.59 ft at 4:24PM Apr 16, 2015Observed: -0.6 ft at 4:30PM Apr 16, 2015Observed: -0.6 ft at 4:36PM Apr 16, 2015Observed: -0.61 ft at 4:42PM Apr 16, 2015Observed: -0.61 ft at 4:48PM Apr 16, 2015Observed: -0.62 ft at 4:54PM Apr 16, 2015Observed: -0.59 ft at 5:00PM Apr 16, 2015Observed: -0.56 ft at 5:06PM Apr 16, 2015Observed: -0.51 ft at 5:12PM Apr 16, 2015Observed: -0.45 ft at 5:18PM Apr 16, 2015Observed: -0.4 ft at 5:24PM Apr 16, 2015Observed: -0.34 ft at 5:30PM Apr 16, 2015Observed: -0.29 ft at 5:36PM Apr 16, 2015Observed: -0.22 ft at 5:42PM Apr 16, 2015Observed: -0.15 ft at 5:48PM Apr 16, 2015Observed: -0.08 ft at 5:54PM Apr 16, 2015Observed: -0.01 ft at 6:00PM Apr 16, 2015Observed: 0.07 ft at 6:06PM Apr 16, 2015Observed: 0.16 ft at 6:12PM Apr 16, 2015Observed: 0.23 ft at 6:18PM Apr 16, 2015Observed: 0.29 ft at 6:24PM Apr 16, 2015Observed: 0.36 ft at 6:30PM Apr 16, 2015Observed: 0.42 ft at 6:36PM Apr 16, 2015Observed: 0.5 ft at 6:42PM Apr 16, 2015Observed: 0.58 ft at 6:48PM Apr 16, 2015Observed: 0.64 ft at 6:54PM Apr 16, 2015Observed: 0.73 ft at 7:00PM Apr 16, 2015Observed: 0.8 ft at 7:06PM Apr 16, 2015Observed: 0.88 ft at 7:12PM Apr 16, 2015Observed: 0.94 ft at 7:18PM Apr 16, 2015Observed: 1.02 ft at 7:24PM Apr 16, 2015Observed: 1.09 ft at 7:30PM Apr 16, 2015Observed: 1.17 ft at 7:36PM Apr 16, 2015Observed: 1.26 ft at 7:42PM Apr 16, 2015Observed: 1.48 ft at 8:00PM Apr 16, 2015Observed: 1.56 ft at 8:06PM Apr 16, 2015Observed: 1.64 ft at 8:12PM Apr 16, 2015Observed: 1.73 ft at 8:18PM Apr 16, 2015Observed: 1.8 ft at 8:24PM Apr 16, 2015Observed: 1.88 ft at 8:30PM Apr 16, 2015Observed: 1.98 ft at 8:36PM Apr 16, 2015Observed: 2.06 ft at 8:42PM Apr 16, 2015Observed: 2.14 ft at 8:48PM Apr 16, 2015Observed: 2.2 ft at 8:54PM Apr 16, 2015Observed: 2.26 ft at 9:00PM Apr 16, 2015Observed: 2.36 ft at 9:06PM Apr 16, 2015Observed: 2.45 ft at 9:12PM Apr 16, 2015Observed: 2.54 ft at 9:18PM Apr 16, 2015Observed: 2.6 ft at 9:24PM Apr 16, 2015Observed: 2.65 ft at 9:30PM Apr 16, 2015Observed: 2.74 ft at 9:36PM Apr 16, 2015Observed: 2.8 ft at 9:42PM Apr 16, 2015Observed: 2.86 ft at 9:48PM Apr 16, 2015Observed: 2.95 ft at 9:54PM Apr 16, 2015Observed: 3.02 ft at 10:00PM Apr 16, 2015Observed: 3.05 ft at 10:06PM Apr 16, 2015Observed: 3.15 ft at 10:12PM Apr 16, 2015Observed: 3.2 ft at 10:18PM Apr 16, 2015Observed: 3.22 ft at 10:24PM Apr 16, 2015Observed: 3.27 ft at 10:30PM Apr 16, 2015Observed: 3.3 ft at 10:36PM Apr 16, 2015Observed: 3.31 ft at 10:42PM Apr 16, 2015Observed: 3.34 ft at 10:48PM Apr 16, 2015Observed: 3.37 ft at 10:54PM Apr 16, 2015Observed: 3.4 ft at 11:00PM Apr 16, 2015Observed: 3.4 ft at 11:06PM Apr 16, 2015Observed: 3.39 ft at 11:12PM Apr 16, 2015Observed: 3.4 ft at 11:18PM Apr 16, 2015Observed: 3.39 ft at 11:24PM Apr 16, 2015Observed: 3.41 ft at 11:30PM Apr 16, 2015Observed: 3.41 ft at 11:36PM Apr 16, 2015Observed: 3.35 ft at 11:42PM Apr 16, 2015Observed: 3.32 ft at 11:48PM Apr 16, 2015Observed: 3.28 ft at 11:54PM Apr 16, 2015Observed: 3.25 ft at 12:00AM Apr 17, 2015Observed: 3.22 ft at 12:06AM Apr 17, 2015Observed: 3.17 ft at 12:12AM Apr 17, 2015Observed: 3.1 ft at 12:18AM Apr 17, 2015Observed: 3.02 ft at 12:24AM Apr 17, 2015Observed: 2.95 ft at 12:30AM Apr 17, 2015Observed: 2.89 ft at 12:36AM Apr 17, 2015Observed: 2.83 ft at 12:42AM Apr 17, 2015Observed: 2.75 ft at 12:48AM Apr 17, 2015Observed: 2.67 ft at 12:54AM Apr 17, 2015Observed: 2.59 ft at 1:00AM Apr 17, 2015Observed: 2.5 ft at 1:06AM Apr 17, 2015Observed: 2.43 ft at 1:12AM Apr 17, 2015Observed: 2.35 ft at 1:18AM Apr 17, 2015Observed: 2.27 ft at 1:24AM Apr 17, 2015Observed: 2.18 ft at 1:30AM Apr 17, 2015Observed: 2.08 ft at 1:36AM Apr 17, 2015Observed: 1.98 ft at 1:42AM Apr 17, 2015Observed: 1.89 ft at 1:48AM Apr 17, 2015Observed: 1.79 ft at 1:54AM Apr 17, 2015Observed: 1.69 ft at 2:00AM Apr 17, 2015Observed: 1.6 ft at 2:06AM Apr 17, 2015Observed: 1.5 ft at 2:12AM Apr 17, 2015Observed: 1.4 ft at 2:18AM Apr 17, 2015Observed: 1.31 ft at 2:24AM Apr 17, 2015Observed: 1.21 ft at 2:30AM Apr 17, 2015Observed: 1.11 ft at 2:36AM Apr 17, 2015Observed: 1 ft at 2:42AM Apr 17, 2015Observed: 0.89 ft at 2:48AM Apr 17, 2015Observed: 0.79 ft at 2:54AM Apr 17, 2015Observed: 0.69 ft at 3:00AM Apr 17, 2015Observed: 0.57 ft at 3:06AM Apr 17, 2015Observed: 0.46 ft at 3:12AM Apr 17, 2015Observed: 0.35 ft at 3:18AM Apr 17, 2015Observed: 0.24 ft at 3:24AM Apr 17, 2015Observed: 0.14 ft at 3:30AM Apr 17, 2015Observed: 0.05 ft at 3:36AM Apr 17, 2015Observed: -0.04 ft at 3:42AM Apr 17, 2015Observed: -0.13 ft at 3:48AM Apr 17, 2015Observed: -0.23 ft at 3:54AM Apr 17, 2015Observed: -0.31 ft at 4:00AM Apr 17, 2015Observed: -0.39 ft at 4:06AM Apr 17, 2015Observed: -0.46 ft at 4:12AM Apr 17, 2015Observed: -0.52 ft at 4:18AM Apr 17, 2015Observed: -0.56 ft at 4:24AM Apr 17, 2015Observed: -0.6 ft at 4:30AM Apr 17, 2015Observed: -0.63 ft at 4:36AM Apr 17, 2015Observed: -0.66 ft at 4:42AM Apr 17, 2015Observed: -0.69 ft at 4:48AM Apr 17, 2015Observed: -0.71 ft at 4:54AM Apr 17, 2015Observed: -0.73 ft at 5:00AM Apr 17, 2015Observed: -0.75 ft at 5:06AM Apr 17, 2015Observed: -0.76 ft at 5:12AM Apr 17, 2015Observed: -0.76 ft at 5:18AM Apr 17, 2015Observed: -0.76 ft at 5:24AM Apr 17, 2015Observed: -0.76 ft at 5:30AM Apr 17, 2015Observed: -0.75 ft at 5:36AM Apr 17, 2015Observed: -0.73 ft at 5:42AM Apr 17, 2015Observed: -0.69 ft at 5:48AM Apr 17, 2015Observed: -0.64 ft at 5:54AM Apr 17, 2015Observed: -0.57 ft at 6:00AM Apr 17, 2015Observed: -0.49 ft at 6:06AM Apr 17, 2015Observed: -0.39 ft at 6:12AM Apr 17, 2015Observed: -0.32 ft at 6:18AM Apr 17, 2015Observed: -0.25 ft at 6:24AM Apr 17, 2015Observed: -0.18 ft at 6:30AM Apr 17, 2015Observed: -0.11 ft at 6:36AM Apr 17, 2015Observed: -0.04 ft at 6:42AM Apr 17, 2015Observed: 0.03 ft at 6:48AM Apr 17, 2015Observed: 0.12 ft at 6:54AM Apr 17, 2015Observed: 0.21 ft at 7:00AM Apr 17, 2015Observed: 0.27 ft at 7:06AM Apr 17, 2015Observed: 0.34 ft at 7:12AM Apr 17, 2015Observed: 0.41 ft at 7:18AM Apr 17, 2015Observed: 0.48 ft at 7:24AM Apr 17, 2015Observed: 0.56 ft at 7:30AM Apr 17, 2015Observed: 0.64 ft at 7:36AM Apr 17, 2015Observed: 0.74 ft at 7:42AM Apr 17, 2015Observed: 0.79 ft at 7:48AM Apr 17, 2015Observed: 0.87 ft at 7:54AM Apr 17, 2015Observed: 0.95 ft at 8:00AM Apr 17, 2015Observed: 1.03 ft at 8:06AM Apr 17, 2015Observed: 1.11 ft at 8:12AM Apr 17, 2015Observed: 1.18 ft at 8:18AM Apr 17, 2015Observed: 1.26 ft at 8:24AM Apr 17, 2015Observed: 1.33 ft at 8:30AM Apr 17, 2015Observed: 1.42 ft at 8:36AM Apr 17, 2015Observed: 1.53 ft at 8:42AM Apr 17, 2015Observed: 1.6 ft at 8:48AM Apr 17, 2015Observed: 1.69 ft at 8:54AM Apr 17, 2015Observed: 1.79 ft at 9:00AM Apr 17, 2015Observed: 1.87 ft at 9:06AM Apr 17, 2015Observed: 1.95 ft at 9:12AM Apr 17, 2015Observed: 2.03 ft at 9:18AM Apr 17, 2015Observed: 2.1 ft at 9:24AM Apr 17, 2015Observed: 2.17 ft at 9:30AM Apr 17, 2015Observed: 2.26 ft at 9:36AM Apr 17, 2015Observed: 2.36 ft at 9:42AM Apr 17, 2015Observed: 2.44 ft at 9:48AM Apr 17, 2015Observed: 2.53 ft at 9:54AM Apr 17, 2015Observed: 2.6 ft at 10:00AM Apr 17, 2015Observed: 2.66 ft at 10:06AM Apr 17, 2015Observed: 2.73 ft at 10:12AM Apr 17, 2015Observed: 2.81 ft at 10:18AM Apr 17, 2015Observed: 2.87 ft at 10:24AM Apr 17, 2015Observed: 2.92 ft at 10:30AM Apr 17, 2015Observed: 2.98 ft at 10:36AM Apr 17, 2015Observed: 3.03 ft at 10:42AM Apr 17, 2015Observed: 3.09 ft at 10:48AM Apr 17, 2015Observed: 3.13 ft at 10:54AM Apr 17, 2015Observed: 3.18 ft at 11:00AM Apr 17, 2015Observed: 3.21 ft at 11:06AM Apr 17, 2015Observed: 3.26 ft at 11:12AM Apr 17, 2015Observed: 3.26 ft at 11:18AM Apr 17, 2015Observed: 3.28 ft at 11:24AM Apr 17, 2015Observed: 3.31 ft at 11:30AM Apr 17, 2015Observed: 3.31 ft at 11:36AM Apr 17, 2015Observed: 3.32 ft at 11:42AM Apr 17, 2015Observed: 3.32 ft at 11:48AM Apr 17, 2015Observed: 3.31 ft at 11:54AM Apr 17, 2015Observed: 3.3 ft at 12:00PM Apr 17, 2015Observed: 3.29 ft at 12:06PM Apr 17, 2015Observed: 3.3 ft at 12:12PM Apr 17, 2015Observed: 3.29 ft at 12:18PM Apr 17, 2015Observed: 3.26 ft at 12:24PM Apr 17, 2015Observed: 3.21 ft at 12:30PM Apr 17, 2015Observed: 3.16 ft at 12:36PM Apr 17, 2015Observed: 3.12 ft at 12:42PM Apr 17, 2015Observed: 3.07 ft at 12:48PM Apr 17, 2015Observed: 3 ft at 12:54PM Apr 17, 2015Observed: 2.92 ft at 1:00PM Apr 17, 2015Observed: 2.84 ft at 1:06PM Apr 17, 2015Observed: 2.8 ft at 1:12PM Apr 17, 2015Observed: 2.73 ft at 1:18PM Apr 17, 2015Observed: 2.66 ft at 1:24PM Apr 17, 2015Observed: 2.59 ft at 1:30PM Apr 17, 2015Observed: 2.52 ft at 1:36PM Apr 17, 2015Observed: 2.45 ft at 1:42PM Apr 17, 2015Observed: 2.36 ft at 1:48PM Apr 17, 2015Observed: 2.28 ft at 1:54PM Apr 17, 2015Observed: 2.19 ft at 2:00PM Apr 17, 2015Observed: 2.09 ft at 2:06PM Apr 17, 2015Observed: 1.99 ft at 2:12PM Apr 17, 2015Observed: 1.91 ft at 2:18PM Apr 17, 2015Observed: 1.8 ft at 2:24PM Apr 17, 2015Observed: 1.7 ft at 2:30PM Apr 17, 2015Observed: 1.61 ft at 2:36PM Apr 17, 2015Observed: 1.52 ft at 2:42PM Apr 17, 2015Observed: 1.43 ft at 2:48PM Apr 17, 2015Observed: 1.34 ft at 2:54PM Apr 17, 2015Observed: 1.25 ft at 3:00PM Apr 17, 2015Observed: 1.13 ft at 3:06PM Apr 17, 2015Observed: 1.03 ft at 3:12PM Apr 17, 2015Observed: 0.94 ft at 3:18PM Apr 17, 2015Observed: 0.85 ft at 3:24PM Apr 17, 2015Observed: 0.75 ft at 3:30PM Apr 17, 2015Observed: 0.67 ft at 3:36PM Apr 17, 2015Observed: 0.57 ft at 3:42PM Apr 17, 2015Observed: 0.47 ft at 3:48PM Apr 17, 2015Observed: 0.37 ft at 3:54PM Apr 17, 2015Observed: 0.29 ft at 4:00PM Apr 17, 2015Observed: 0.19 ft at 4:06PM Apr 17, 2015Observed: 0.1 ft at 4:12PM Apr 17, 2015Observed: 0.02 ft at 4:18PM Apr 17, 2015Observed: -0.06 ft at 4:24PM Apr 17, 2015Observed: -0.13 ft at 4:30PM Apr 17, 2015Observed: -0.2 ft at 4:36PM Apr 17, 2015Observed: -0.24 ft at 4:42PM Apr 17, 2015Observed: -0.26 ft at 4:48PM Apr 17, 2015Observed: -0.28 ft at 4:54PM Apr 17, 2015Observed: -0.31 ft at 5:00PM Apr 17, 2015Observed: -0.33 ft at 5:06PM Apr 17, 2015Observed: -0.35 ft at 5:12PM Apr 17, 2015Observed: -0.36 ft at 5:18PM Apr 17, 2015Observed: -0.38 ft at 5:24PM Apr 17, 2015Observed: -0.37 ft at 5:30PM Apr 17, 2015Observed: -0.36 ft at 5:36PM Apr 17, 2015Observed: -0.35 ft at 5:42PM Apr 17, 2015Observed: -0.31 ft at 5:48PM Apr 17, 2015Observed: -0.27 ft at 5:54PM Apr 17, 2015Observed: -0.23 ft at 6:00PM Apr 17, 2015Observed: -0.17 ft at 6:06PM Apr 17, 2015Observed: -0.1 ft at 6:12PM Apr 17, 2015Observed: -0.05 ft at 6:18PM Apr 17, 2015Observed: -0.03 ft at 6:24PM Apr 17, 2015Observed: 0.05 ft at 6:30PM Apr 17, 2015Observed: 0.12 ft at 6:36PM Apr 17, 2015Observed: 0.19 ft at 6:42PM Apr 17, 2015Observed: 0.25 ft at 6:48PM Apr 17, 2015Observed: 0.33 ft at 6:54PM Apr 17, 2015Observed: 0.39 ft at 7:00PM Apr 17, 2015Observed: 0.45 ft at 7:06PM Apr 17, 2015Observed: 0.51 ft at 7:12PM Apr 17, 2015Observed: 0.58 ft at 7:18PM Apr 17, 2015Observed: 0.66 ft at 7:24PM Apr 17, 2015Observed: 0.74 ft at 7:30PM Apr 17, 2015Observed: 0.84 ft at 7:36PM Apr 17, 2015Observed: 0.91 ft at 7:42PM Apr 17, 2015Observed: 1.13 ft at 8:00PM Apr 17, 2015Observed: 1.2 ft at 8:06PM Apr 17, 2015Observed: 1.29 ft at 8:12PM Apr 17, 2015Observed: 1.37 ft at 8:18PM Apr 17, 2015Observed: 1.44 ft at 8:24PM Apr 17, 2015Observed: 1.52 ft at 8:30PM Apr 17, 2015Observed: 1.6 ft at 8:36PM Apr 17, 2015Observed: 1.68 ft at 8:42PM Apr 17, 2015Observed: 1.76 ft at 8:48PM Apr 17, 2015Observed: 1.86 ft at 8:54PM Apr 17, 2015Observed: 1.95 ft at 9:00PM Apr 17, 2015Observed: 2.02 ft at 9:06PM Apr 17, 2015Observed: 2.12 ft at 9:12PM Apr 17, 2015Observed: 2.21 ft at 9:18PM Apr 17, 2015Observed: 2.3 ft at 9:24PM Apr 17, 2015Observed: 2.39 ft at 9:30PM Apr 17, 2015Observed: 2.47 ft at 9:36PM Apr 17, 2015Observed: 2.53 ft at 9:42PM Apr 17, 2015Observed: 2.61 ft at 9:48PM Apr 17, 2015Observed: 2.69 ft at 9:54PM Apr 17, 2015Observed: 2.77 ft at 10:00PM Apr 17, 2015Observed: 2.85 ft at 10:06PM Apr 17, 2015Observed: 2.95 ft at 10:12PM Apr 17, 2015Observed: 3.04 ft at 10:18PM Apr 17, 2015Observed: 3.12 ft at 10:24PM Apr 17, 2015Observed: 3.2 ft at 10:30PM Apr 17, 2015Observed: 3.27 ft at 10:36PM Apr 17, 2015Observed: 3.34 ft at 10:42PM Apr 17, 2015Observed: 3.42 ft at 10:48PM Apr 17, 2015Observed: 3.48 ft at 10:54PM Apr 17, 2015Observed: 3.54 ft at 11:00PM Apr 17, 2015Observed: 3.61 ft at 11:06PM Apr 17, 2015Observed: 3.65 ft at 11:12PM Apr 17, 2015Observed: 3.67 ft at 11:18PM Apr 17, 2015Observed: 3.72 ft at 11:24PM Apr 17, 2015Observed: 3.74 ft at 11:30PM Apr 17, 2015Observed: 3.78 ft at 11:36PM Apr 17, 2015Observed: 3.82 ft at 11:42PM Apr 17, 2015Observed: 3.84 ft at 11:48PM Apr 17, 2015Observed: 3.85 ft at 11:54PM Apr 17, 2015Observed: 3.87 ft at 12:00AM Apr 18, 2015Observed: 3.88 ft at 12:06AM Apr 18, 2015Observed: 3.86 ft at 12:12AM Apr 18, 2015Observed: 3.85 ft at 12:18AM Apr 18, 2015Observed: 3.83 ft at 12:24AM Apr 18, 2015Observed: 3.81 ft at 12:30AM Apr 18, 2015Observed: 3.78 ft at 12:36AM Apr 18, 2015Observed: 3.74 ft at 12:42AM Apr 18, 2015Observed: 3.71 ft at 12:48AM Apr 18, 2015Observed: 3.67 ft at 12:54AM Apr 18, 2015Observed: 3.62 ft at 1:00AM Apr 18, 2015Observed: 3.55 ft at 1:06AM Apr 18, 2015Observed: 3.49 ft at 1:12AM Apr 18, 2015Observed: 3.41 ft at 1:18AM Apr 18, 2015Observed: 3.35 ft at 1:24AM Apr 18, 2015Observed: 3.28 ft at 1:30AM Apr 18, 2015Observed: 3.2 ft at 1:36AM Apr 18, 2015Observed: 3.12 ft at 1:42AM Apr 18, 2015Observed: 3.05 ft at 1:48AM Apr 18, 2015Observed: 2.98 ft at 1:54AM Apr 18, 2015Observed: 2.89 ft at 2:00AM Apr 18, 2015Observed: 2.81 ft at 2:06AM Apr 18, 2015Observed: 2.72 ft at 2:12AM Apr 18, 2015Observed: 2.62 ft at 2:18AM Apr 18, 2015Observed: 2.53 ft at 2:24AM Apr 18, 2015Observed: 2.44 ft at 2:30AM Apr 18, 2015Observed: 2.34 ft at 2:36AM Apr 18, 2015Observed: 2.23 ft at 2:42AM Apr 18, 2015Observed: 2.13 ft at 2:48AM Apr 18, 2015Observed: 2.03 ft at 2:54AM Apr 18, 2015Observed: 1.93 ft at 3:00AM Apr 18, 2015Observed: 1.82 ft at 3:06AM Apr 18, 2015Observed: 1.7 ft at 3:12AM Apr 18, 2015Observed: 1.59 ft at 3:18AM Apr 18, 2015Observed: 1.49 ft at 3:24AM Apr 18, 2015Observed: 1.38 ft at 3:30AM Apr 18, 2015Observed: 1.28 ft at 3:36AM Apr 18, 2015Observed: 1.17 ft at 3:42AM Apr 18, 2015Observed: 1.07 ft at 3:48AM Apr 18, 2015Observed: 0.95 ft at 3:54AM Apr 18, 2015Observed: 0.84 ft at 4:00AM Apr 18, 2015Observed: 0.72 ft at 4:06AM Apr 18, 2015Observed: 0.61 ft at 4:12AM Apr 18, 2015Observed: 0.5 ft at 4:18AM Apr 18, 2015Observed: 0.39 ft at 4:24AM Apr 18, 2015Observed: 0.28 ft at 4:30AM Apr 18, 2015Observed: 0.17 ft at 4:36AM Apr 18, 2015Observed: 0.07 ft at 4:42AM Apr 18, 2015Observed: -0.04 ft at 4:48AM Apr 18, 2015Observed: -0.12 ft at 4:54AM Apr 18, 2015Observed: -0.21 ft at 5:00AM Apr 18, 2015Observed: -0.3 ft at 5:06AM Apr 18, 2015Observed: -0.37 ft at 5:12AM Apr 18, 2015Observed: -0.43 ft at 5:18AM Apr 18, 2015Observed: -0.47 ft at 5:24AM Apr 18, 2015Observed: -0.49 ft at 5:30AM Apr 18, 2015Observed: -0.51 ft at 5:36AM Apr 18, 2015Observed: -0.52 ft at 5:42AM Apr 18, 2015Observed: -0.52 ft at 5:48AM Apr 18, 2015Observed: -0.53 ft at 5:54AM Apr 18, 2015Observed: -0.55 ft at 6:00AM Apr 18, 2015Observed: -0.56 ft at 6:06AM Apr 18, 2015Observed: -0.56 ft at 6:12AM Apr 18, 2015Observed: -0.55 ft at 6:18AM Apr 18, 2015Observed: -0.53 ft at 6:24AM Apr 18, 2015Observed: -0.5 ft at 6:30AM Apr 18, 2015Observed: -0.47 ft at 6:36AM Apr 18, 2015Observed: -0.41 ft at 6:42AM Apr 18, 2015Observed: -0.36 ft at 6:48AM Apr 18, 2015Observed: -0.32 ft at 6:54AM Apr 18, 2015Observed: -0.25 ft at 7:00AM Apr 18, 2015Observed: -0.16 ft at 7:06AM Apr 18, 2015Observed: -0.09 ft at 7:12AM Apr 18, 2015Observed: -0.01 ft at 7:18AM Apr 18, 2015Observed: 0.09 ft at 7:24AM Apr 18, 2015Observed: 0.17 ft at 7:30AM Apr 18, 2015Observed: 0.25 ft at 7:36AM Apr 18, 2015Observed: 0.32 ft at 7:42AM Apr 18, 2015Observed: 0.39 ft at 7:48AM Apr 18, 2015Observed: 0.47 ft at 7:54AM Apr 18, 2015Observed: 0.52 ft at 8:00AM Apr 18, 2015Observed: 0.59 ft at 8:06AM Apr 18, 2015Observed: 0.69 ft at 8:12AM Apr 18, 2015Observed: 0.76 ft at 8:18AM Apr 18, 2015Observed: 0.83 ft at 8:24AM Apr 18, 2015Observed: 0.93 ft at 8:30AM Apr 18, 2015Observed: 1 ft at 8:36AM Apr 18, 2015Observed: 1.09 ft at 8:42AM Apr 18, 2015Observed: 1.16 ft at 8:48AM Apr 18, 2015Observed: 1.24 ft at 8:54AM Apr 18, 2015Observed: 1.33 ft at 9:00AM Apr 18, 2015Observed: 1.4 ft at 9:06AM Apr 18, 2015Observed: 1.47 ft at 9:12AM Apr 18, 2015Observed: 1.56 ft at 9:18AM Apr 18, 2015Observed: 1.63 ft at 9:24AM Apr 18, 2015Observed: 1.7 ft at 9:30AM Apr 18, 2015Observed: 1.79 ft at 9:36AM Apr 18, 2015Observed: 1.89 ft at 9:42AM Apr 18, 2015Observed: 1.98 ft at 9:48AM Apr 18, 2015Observed: 2.07 ft at 9:54AM Apr 18, 2015Observed: 2.15 ft at 10:00AM Apr 18, 2015Observed: 2.23 ft at 10:06AM Apr 18, 2015Observed: 2.32 ft at 10:12AM Apr 18, 2015Observed: 2.4 ft at 10:18AM Apr 18, 2015Observed: 2.49 ft at 10:24AM Apr 18, 2015Observed: 2.59 ft at 10:30AM Apr 18, 2015Observed: 2.66 ft at 10:36AM Apr 18, 2015Observed: 2.73 ft at 10:42AM Apr 18, 2015Observed: 2.81 ft at 10:48AM Apr 18, 2015Observed: 2.86 ft at 10:54AM Apr 18, 2015Observed: 2.93 ft at 11:00AM Apr 18, 2015Observed: 3.02 ft at 11:06AM Apr 18, 2015Observed: 3.1 ft at 11:12AM Apr 18, 2015Observed: 3.16 ft at 11:18AM Apr 18, 2015Observed: 3.21 ft at 11:24AM Apr 18, 2015Observed: 3.26 ft at 11:30AM Apr 18, 2015Observed: 3.33 ft at 11:36AM Apr 18, 2015Observed: 3.37 ft at 11:42AM Apr 18, 2015Observed: 3.41 ft at 11:48AM Apr 18, 2015Observed: 3.46 ft at 11:54AM Apr 18, 2015Observed: 3.49 ft at 12:00PM Apr 18, 2015Observed: 3.52 ft at 12:06PM Apr 18, 2015Observed: 3.53 ft at 12:12PM Apr 18, 2015Observed: 3.53 ft at 12:18PM Apr 18, 2015Observed: 3.56 ft at 12:24PM Apr 18, 2015Observed: 3.58 ft at 12:30PM Apr 18, 2015Observed: 3.59 ft at 12:36PM Apr 18, 2015Observed: 3.59 ft at 12:42PM Apr 18, 2015Observed: 3.58 ft at 12:48PM Apr 18, 2015Observed: 3.58 ft at 12:54PM Apr 18, 2015Observed: 3.55 ft at 1:00PM Apr 18, 2015Observed: 3.54 ft at 1:06PM Apr 18, 2015Observed: 3.49 ft at 1:12PM Apr 18, 2015Observed: 3.44 ft at 1:18PM Apr 18, 2015Observed: 3.4 ft at 1:24PM Apr 18, 2015Observed: 3.36 ft at 1:30PM Apr 18, 2015Observed: 3.32 ft at 1:36PM Apr 18, 2015Observed: 3.26 ft at 1:42PM Apr 18, 2015Observed: 3.21 ft at 1:48PM Apr 18, 2015Observed: 3.15 ft at 1:54PM Apr 18, 2015Observed: 3.09 ft at 2:00PM Apr 18, 2015Observed: 3.01 ft at 2:06PM Apr 18, 2015Observed: 2.93 ft at 2:12PM Apr 18, 2015Observed: 2.85 ft at 2:18PM Apr 18, 2015Observed: 2.76 ft at 2:24PM Apr 18, 2015Observed: 2.68 ft at 2:30PM Apr 18, 2015Observed: 2.6 ft at 2:36PM Apr 18, 2015Observed: 2.53 ft at 2:42PM Apr 18, 2015Observed: 2.44 ft at 2:48PM Apr 18, 2015Observed: 2.37 ft at 2:54PM Apr 18, 2015Observed: 2.28 ft at 3:00PM Apr 18, 2015Observed: 2.18 ft at 3:06PM Apr 18, 2015Observed: 2.09 ft at 3:12PM Apr 18, 2015Observed: 2 ft at 3:18PM Apr 18, 2015Observed: 1.91 ft at 3:24PM Apr 18, 2015Observed: 1.81 ft at 3:30PM Apr 18, 2015Observed: 1.71 ft at 3:36PM Apr 18, 2015Observed: 1.6 ft at 3:42PM Apr 18, 2015Observed: 1.52 ft at 3:48PM Apr 18, 2015Observed: 1.42 ft at 3:54PM Apr 18, 2015Observed: 1.33 ft at 4:00PM Apr 18, 2015Observed: 1.24 ft at 4:06PM Apr 18, 2015Observed: 1.16 ft at 4:12PM Apr 18, 2015Observed: 1.06 ft at 4:18PM Apr 18, 2015Observed: 0.95 ft at 4:24PM Apr 18, 2015Observed: 0.85 ft at 4:30PM Apr 18, 2015Observed: 0.75 ft at 4:36PM Apr 18, 2015Observed: 0.65 ft at 4:42PM Apr 18, 2015Observed: 0.57 ft at 4:48PM Apr 18, 2015Observed: 0.51 ft at 4:54PM Apr 18, 2015Observed: 0.42 ft at 5:00PM Apr 18, 2015Observed: 0.35 ft at 5:06PM Apr 18, 2015Observed: 0.26 ft at 5:12PM Apr 18, 2015Observed: 0.19 ft at 5:18PM Apr 18, 2015Observed: 0.13 ft at 5:24PM Apr 18, 2015Observed: 0.08 ft at 5:30PM Apr 18, 2015Observed: 0.03 ft at 5:36PM Apr 18, 2015Observed: 0.01 ft at 5:42PM Apr 18, 2015Observed: 0 ft at 5:48PM Apr 18, 2015Observed: -0.02 ft at 5:54PM Apr 18, 2015Observed: -0.04 ft at 6:00PM Apr 18, 2015Observed: -0.05 ft at 6:06PM Apr 18, 2015Observed: -0.06 ft at 6:12PM Apr 18, 2015Observed: -0.04 ft at 6:18PM Apr 18, 2015Observed: -0.05 ft at 6:24PM Apr 18, 2015Observed: -0.04 ft at 6:30PM Apr 18, 2015Observed: 0 ft at 6:36PM Apr 18, 2015Observed: 0.03 ft at 6:42PM Apr 18, 2015Observed: 0.06 ft at 6:48PM Apr 18, 2015Observed: 0.13 ft at 6:54PM Apr 18, 2015Observed: 0.22 ft at 7:00PM Apr 18, 2015Observed: 0.27 ft at 7:06PM Apr 18, 2015Observed: 0.36 ft at 7:12PM Apr 18, 2015Observed: 0.41 ft at 7:18PM Apr 18, 2015Observed: 0.45 ft at 7:24PM Apr 18, 2015Observed: 0.52 ft at 7:30PM Apr 18, 2015Observed: 0.58 ft at 7:36PM Apr 18, 2015Observed: 0.65 ft at 7:42PM Apr 18, 2015Observed: 0.81 ft at 7:54PM Apr 18, 2015Observed: 0.91 ft at 8:00PM Apr 18, 2015Observed: 1.01 ft at 8:06PM Apr 18, 2015Observed: 1.12 ft at 8:12PM Apr 18, 2015Observed: 1.22 ft at 8:18PM Apr 18, 2015Observed: 1.38 ft at 8:24PM Apr 18, 2015Observed: 1.51 ft at 8:30PM Apr 18, 2015Observed: 1.59 ft at 8:36PM Apr 18, 2015Observed: 1.67 ft at 8:42PM Apr 18, 2015Observed: 1.79 ft at 8:48PM Apr 18, 2015Observed: 1.85 ft at 8:54PM Apr 18, 2015Observed: 1.92 ft at 9:00PM Apr 18, 2015Observed: 1.96 ft at 9:06PM Apr 18, 2015Observed: 2.02 ft at 9:12PM Apr 18, 2015Observed: 2.13 ft at 9:18PM Apr 18, 2015Observed: 2.16 ft at 9:24PM Apr 18, 2015Observed: 2.21 ft at 9:30PM Apr 18, 2015Observed: 2.25 ft at 9:36PM Apr 18, 2015Observed: 2.3 ft at 9:42PM Apr 18, 2015Observed: 2.41 ft at 9:48PM Apr 18, 2015Observed: 2.5 ft at 9:54PM Apr 18, 2015Observed: 2.58 ft at 10:00PM Apr 18, 2015Observed: 2.66 ft at 10:06PM Apr 18, 2015Observed: 2.76 ft at 10:12PM Apr 18, 2015Observed: 2.85 ft at 10:18PM Apr 18, 2015Observed: 2.95 ft at 10:24PM Apr 18, 2015Observed: 3.02 ft at 10:30PM Apr 18, 2015Observed: 3.12 ft at 10:36PM Apr 18, 2015Observed: 3.19 ft at 10:42PM Apr 18, 2015Observed: 3.26 ft at 10:48PM Apr 18, 2015Observed: 3.34 ft at 10:54PM Apr 18, 2015Observed: 3.4 ft at 11:00PM Apr 18, 2015Observed: 3.48 ft at 11:06PM Apr 18, 2015Observed: 3.56 ft at 11:12PM Apr 18, 2015Observed: 3.61 ft at 11:18PM Apr 18, 2015Observed: 3.67 ft at 11:24PM Apr 18, 2015Observed: 3.73 ft at 11:30PM Apr 18, 2015Observed: 3.79 ft at 11:36PM Apr 18, 2015Observed: 3.85 ft at 11:42PM Apr 18, 2015Observed: 3.89 ft at 11:48PM Apr 18, 2015Observed: 3.95 ft at 11:54PM Apr 18, 2015Observed: 3.98 ft at 12:00AM Apr 19, 2015Observed: 4.02 ft at 12:06AM Apr 19, 2015Observed: 4.05 ft at 12:12AM Apr 19, 2015Observed: 4.06 ft at 12:18AM Apr 19, 2015Observed: 4.07 ft at 12:24AM Apr 19, 2015Observed: 4.09 ft at 12:30AM Apr 19, 2015Highest Observation: 4.13 ft at 12:36AM Apr 19, 2015Highest Observation: 4.13 ft at 12:42AM Apr 19, 2015Highest Observation: 4.13 ft at 12:48AM Apr 19, 2015Observed: 4.12 ft at 12:54AM Apr 19, 2015Observed: 4.11 ft at 1:00AM Apr 19, 2015Observed: 4.06 ft at 1:06AM Apr 19, 2015Observed: 4.06 ft at 1:12AM Apr 19, 2015Observed: 4.03 ft at 1:18AM Apr 19, 2015Observed: 3.98 ft at 1:24AM Apr 19, 2015Observed: 3.92 ft at 1:30AM Apr 19, 2015Observed: 3.96 ft at 1:36AM Apr 19, 2015Observed: 3.94 ft at 1:42AM Apr 19, 2015Observed: 3.91 ft at 1:48AM Apr 19, 2015Observed: 3.91 ft at 1:54AM Apr 19, 2015Observed: 3.81 ft at 2:00AM Apr 19, 2015Observed: 3.72 ft at 2:06AM Apr 19, 2015Observed: 3.65 ft at 2:12AM Apr 19, 2015Observed: 3.54 ft at 2:18AM Apr 19, 2015Observed: 3.45 ft at 2:24AM Apr 19, 2015Observed: 3.36 ft at 2:30AM Apr 19, 2015Observed: 3.27 ft at 2:36AM Apr 19, 2015Observed: 3.18 ft at 2:42AM Apr 19, 2015Observed: 3.11 ft at 2:48AM Apr 19, 2015Observed: 3.05 ft at 2:54AM Apr 19, 2015Observed: 2.98 ft at 3:00AM Apr 19, 2015Observed: 2.88 ft at 3:06AM Apr 19, 2015Observed: 2.77 ft at 3:12AM Apr 19, 2015Observed: 2.68 ft at 3:18AM Apr 19, 2015Observed: 2.58 ft at 3:24AM Apr 19, 2015Observed: 2.48 ft at 3:30AM Apr 19, 2015Observed: 2.39 ft at 3:36AM Apr 19, 2015Observed: 2.27 ft at 3:42AM Apr 19, 2015Observed: 2.16 ft at 3:48AM Apr 19, 2015Observed: 2.05 ft at 3:54AM Apr 19, 2015Observed: 1.93 ft at 4:00AM Apr 19, 2015Observed: 1.81 ft at 4:06AM Apr 19, 2015Observed: 1.7 ft at 4:12AM Apr 19, 2015Observed: 1.58 ft at 4:18AM Apr 19, 2015Observed: 1.46 ft at 4:24AM Apr 19, 2015Observed: 1.33 ft at 4:30AM Apr 19, 2015Observed: 1.21 ft at 4:36AM Apr 19, 2015Observed: 1.1 ft at 4:42AM Apr 19, 2015Observed: 0.99 ft at 4:48AM Apr 19, 2015Observed: 0.86 ft at 4:54AM Apr 19, 2015Observed: 0.74 ft at 5:00AM Apr 19, 2015Observed: 0.62 ft at 5:06AM Apr 19, 2015Observed: 0.5 ft at 5:12AM Apr 19, 2015Observed: 0.37 ft at 5:18AM Apr 19, 2015Observed: 0.26 ft at 5:24AM Apr 19, 2015Observed: 0.15 ft at 5:30AM Apr 19, 2015Observed: 0.05 ft at 5:36AM Apr 19, 2015Observed: -0.05 ft at 5:42AM Apr 19, 2015Observed: -0.14 ft at 5:48AM Apr 19, 2015Observed: -0.23 ft at 5:54AM Apr 19, 2015Observed: -0.31 ft at 6:00AM Apr 19, 2015Observed: -0.38 ft at 6:06AM Apr 19, 2015Observed: -0.43 ft at 6:12AM Apr 19, 2015Observed: -0.48 ft at 6:18AM Apr 19, 2015Observed: -0.53 ft at 6:24AM Apr 19, 2015Observed: -0.57 ft at 6:30AM Apr 19, 2015Observed: -0.6 ft at 6:36AM Apr 19, 2015Observed: -0.59 ft at 6:42AM Apr 19, 2015Observed: -0.6 ft at 6:48AM Apr 19, 2015Observed: -0.63 ft at 6:54AM Apr 19, 2015Observed: -0.64 ft at 7:00AM Apr 19, 2015Observed: -0.64 ft at 7:06AM Apr 19, 2015Observed: -0.64 ft at 7:12AM Apr 19, 2015Observed: -0.6 ft at 7:18AM Apr 19, 2015Observed: -0.55 ft at 7:24AM Apr 19, 2015Observed: -0.51 ft at 7:30AM Apr 19, 2015Observed: -0.44 ft at 7:36AM Apr 19, 2015Observed: -0.39 ft at 7:42AM Apr 19, 2015Observed: -0.32 ft at 7:48AM Apr 19, 2015Observed: -0.26 ft at 7:54AM Apr 19, 2015Observed: -0.2 ft at 8:00AM Apr 19, 2015Observed: -0.11 ft at 8:06AM Apr 19, 2015Observed: -0.02 ft at 8:12AM Apr 19, 2015Observed: 0.07 ft at 8:18AM Apr 19, 2015Observed: 0.15 ft at 8:24AM Apr 19, 2015Observed: 0.25 ft at 8:30AM Apr 19, 2015Observed: 0.33 ft at 8:36AM Apr 19, 2015Observed: 0.42 ft at 8:42AM Apr 19, 2015Observed: 0.49 ft at 8:48AM Apr 19, 2015Observed: 0.56 ft at 8:54AM Apr 19, 2015Observed: 0.62 ft at 9:00AM Apr 19, 2015Observed: 0.7 ft at 9:06AM Apr 19, 2015Observed: 0.77 ft at 9:12AM Apr 19, 2015Observed: 0.83 ft at 9:18AM Apr 19, 2015Observed: 0.92 ft at 9:24AM Apr 19, 2015Observed: 0.98 ft at 9:30AM Apr 19, 2015Observed: 1.07 ft at 9:36AM Apr 19, 2015Observed: 1.14 ft at 9:42AM Apr 19, 2015Observed: 1.21 ft at 9:48AM Apr 19, 2015Observed: 1.31 ft at 9:54AM Apr 19, 2015Observed: 1.39 ft at 10:00AM Apr 19, 2015Observed: 1.48 ft at 10:06AM Apr 19, 2015Observed: 1.58 ft at 10:12AM Apr 19, 2015Observed: 1.66 ft at 10:18AM Apr 19, 2015Observed: 1.74 ft at 10:24AM Apr 19, 2015Observed: 1.82 ft at 10:30AM Apr 19, 2015Observed: 1.9 ft at 10:36AM Apr 19, 2015Observed: 1.98 ft at 10:42AM Apr 19, 2015Observed: 2.06 ft at 10:48AM Apr 19, 2015Observed: 2.13 ft at 10:54AM Apr 19, 2015Observed: 2.21 ft at 11:00AM Apr 19, 2015Forecast: 2.9 ft 12:00PM Apr 19, 2015Forecast: 3.3 ft 1:00PM Apr 19, 2015Forecast: 3.3 ft 2:00PM Apr 19, 2015Forecast: 2.7 ft 3:00PM Apr 19, 2015Forecast: 1.9 ft 4:00PM Apr 19, 2015Forecast: 0.9 ft 5:00PM Apr 19, 2015Forecast: -0.1 ft 6:00PM Apr 19, 2015Forecast: 0 ft 7:00PM Apr 19, 2015Forecast: 0 ft 8:00PM Apr 19, 2015Forecast: 0.8 ft 9:00PM Apr 19, 2015Forecast: 1.7 ft 10:00PM Apr 19, 2015Forecast: 2.6 ft 11:00PM Apr 19, 2015Forecast: 3.4 ft 12:00AM Apr 20, 2015Forecast: 3.9 ft 1:00AM Apr 20, 2015Forecast: 3.9 ft 2:00AM Apr 20, 2015Forecast: 3.5 ft 3:00AM Apr 20, 2015Forecast: 2.7 ft 4:00AM Apr 20, 2015Forecast: 1.6 ft 5:00AM Apr 20, 2015Forecast: 0.5 ft 6:00AM Apr 20, 2015Forecast: 0.2 ft 7:00AM Apr 20, 2015Forecast: 0.2 ft 8:00AM Apr 20, 2015Forecast: 0.2 ft 9:00AM Apr 20, 2015Forecast: 0.9 ft 10:00AM Apr 20, 2015Forecast: 1.9 ft 11:00AM Apr 20, 2015Forecast: 2.9 ft 12:00PM Apr 20, 2015Forecast: 3.7 ft 1:00PM Apr 20, 2015Forecast: 4 ft 2:00PM Apr 20, 2015Forecast: 3.9 ft 3:00PM Apr 20, 2015Forecast: 3.3 ft 4:00PM Apr 20, 2015Forecast: 2.6 ft 5:00PM Apr 20, 2015Forecast: 1.8 ft 6:00PM Apr 20, 2015Forecast: 1.1 ft 7:00PM Apr 20, 2015Forecast: 1.2 ft 8:00PM Apr 20, 2015Forecast: 1.2 ft 9:00PM Apr 20, 2015Forecast: 2.1 ft 10:00PM Apr 20, 2015Forecast: 2.9 ft 11:00PM Apr 20, 2015Forecast: 3.8 ft 12:00AM Apr 21, 2015Forecast: 4.4 ft 1:00AM Apr 21, 2015Highest Forecast: 4.9 ft 2:00AM Apr 21, 2015Forecast: 4.8 ft 3:00AM Apr 21, 2015Forecast: 4.3 ft 4:00AM Apr 21, 2015Forecast: 3.2 ft 5:00AM Apr 21, 2015Forecast: 2.1 ft 6:00AM Apr 21, 2015Forecast: 1 ft 7:00AM Apr 21, 2015Forecast: 0.8 ft 8:00AM Apr 21, 2015Forecast: 0.8 ft 9:00AM Apr 21, 2015Forecast: 0.8 ft 10:00AM Apr 21, 2015Forecast: 1.5 ft 11:00AM Apr 21, 2015Forecast: 2.4 ft 12:00PM Apr 21, 2015Forecast: 3.1 ft 1:00PM Apr 21, 2015Forecast: 3.7 ft 2:00PM Apr 21, 2015Forecast: 3.9 ft 3:00PM Apr 21, 2015Forecast: 3.6 ft 4:00PM Apr 21, 2015Forecast: 3 ft 5:00PM Apr 21, 2015Forecast: 2 ft 6:00PM Apr 21, 2015Forecast: 1 ft 7:00PM Apr 21, 2015Forecast: 0.2 ft 8:00PM Apr 21, 2015Forecast: 0.2 ft 9:00PM Apr 21, 2015Forecast: 0.4 ft 10:00PM Apr 21, 2015Forecast: 1.2 ft 11:00PM Apr 21, 2015Forecast: 1.9 ft 12:00AM Apr 22, 2015Forecast: 2.7 ft 1:00AM Apr 22, 2015Forecast: 3.3 ft 2:00AM Apr 22, 2015Forecast: 3.7 ft 3:00AM Apr 22, 2015Data courtesy of NOAA National Ocean ServiceNTKM3(plotting HMIRG) Graph Created (11:31AM Apr 19, 2015)ObservedForecast (issued 4:20AM Apr 19)Latest observed value: 2.21 ft at 11:00 AM EDT 19-Apr-2015. Flood Stage is 5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Coastal flood impacts are dependent upon waves as well as tide level. High waves can result in flooding even if the tide level is below flood stage.

Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts for the Nantucket Harbor at Nantucket are issued routinely year-round.

Vertical Datum references a tidal datum...for more information see Tides and Currents .

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 8
Moderate Flood Stage: 6
Flood Stage: 5
Action Stage: 4
Low Stage (in feet): 0

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
10 Signifcant flooding is expected in low lying portions of Nantucket. Road closures and some evacuations can be expected. Large surf will also result in beach erosion in vulnerable areas.
8 Flooding of low lying areas on Nantucket is likely. Flooding will impact both the Nantucket Harbor region as well as the Atlantic Avenue area on the south side of the Island. Some localized evacuations may be necessary.
6 Moderate flooding of Nantucket Harbor is expected. Some low lying coastal roads will experience during the time nearest high tide.
4.5 Minor coastal flooding begins on Easy Street in Nantucket.
Photos
(1) Nantucket Tidal Station
About This Location Collapse

Latitude: 41.285000° N, Longitude: 70.096667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available 6 MLLW
Additional Information Collapse
Nantucket Harbor gage data and forecasts are in feet Mean Lower Low Water (MLLW).
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Boston Weather Forecast Office
445 Myles Standish Blvd
Taunton, MA 02780
Ask Questions/Webmaster
Page last modified: 12-Feb-2015 9:34 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities