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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.



Hydrograph River at a Glance Download
West Pond at Glen Cove Tide Height (ft)Observed: 9.37 ft at 11:06AM Sep 28, 2023Observed: 9.37 ft at 11:12AM Sep 28, 2023Observed: 9.38 ft at 11:18AM Sep 28, 2023Observed: 9.35 ft at 11:24AM Sep 28, 2023Observed: 9.33 ft at 11:30AM Sep 28, 2023Observed: 9.34 ft at 11:36AM Sep 28, 2023Observed: 9.31 ft at 11:42AM Sep 28, 2023Observed: 9.25 ft at 11:48AM Sep 28, 2023Observed: 9.23 ft at 11:54AM Sep 28, 2023Observed: 9.17 ft at 12:00PM Sep 28, 2023Observed: 9.09 ft at 12:06PM Sep 28, 2023Observed: 9.03 ft at 12:12PM Sep 28, 2023Observed: 8.93 ft at 12:18PM Sep 28, 2023Observed: 8.81 ft at 12:24PM Sep 28, 2023Observed: 8.7 ft at 12:30PM Sep 28, 2023Observed: 8.65 ft at 12:36PM Sep 28, 2023Observed: 8.63 ft at 12:42PM Sep 28, 2023Observed: 8.6 ft at 12:48PM Sep 28, 2023Observed: 8.56 ft at 12:54PM Sep 28, 2023Observed: 8.51 ft at 1:00PM Sep 28, 2023Observed: 8.45 ft at 1:06PM Sep 28, 2023Observed: 8.38 ft at 1:12PM Sep 28, 2023Observed: 8.29 ft at 1:18PM Sep 28, 2023Observed: 8.19 ft at 1:24PM Sep 28, 2023Observed: 8.09 ft at 1:30PM Sep 28, 2023Observed: 7.97 ft at 1:36PM Sep 28, 2023Observed: 7.85 ft at 1:42PM Sep 28, 2023Observed: 7.73 ft at 1:48PM Sep 28, 2023Observed: 7.59 ft at 1:54PM Sep 28, 2023Observed: 7.44 ft at 2:00PM Sep 28, 2023Observed: 7.27 ft at 2:06PM Sep 28, 2023Observed: 7.12 ft at 2:12PM Sep 28, 2023Observed: 6.96 ft at 2:18PM Sep 28, 2023Observed: 6.81 ft at 2:24PM Sep 28, 2023Observed: 6.66 ft at 2:30PM Sep 28, 2023Observed: 6.51 ft at 2:36PM Sep 28, 2023Observed: 6.37 ft at 2:42PM Sep 28, 2023Observed: 6.23 ft at 2:48PM Sep 28, 2023Observed: 6.1 ft at 2:54PM Sep 28, 2023Observed: 5.98 ft at 3:00PM Sep 28, 2023Observed: 5.86 ft at 3:06PM Sep 28, 2023Observed: 5.75 ft at 3:12PM Sep 28, 2023Observed: 5.65 ft at 3:18PM Sep 28, 2023Observed: 5.55 ft at 3:24PM Sep 28, 2023Observed: 5.46 ft at 3:30PM Sep 28, 2023Observed: 5.37 ft at 3:36PM Sep 28, 2023Observed: 5.29 ft at 3:42PM Sep 28, 2023Observed: 5.21 ft at 3:48PM Sep 28, 2023Observed: 5.14 ft at 3:54PM Sep 28, 2023Observed: 5.07 ft at 4:00PM Sep 28, 2023Observed: 5 ft at 4:06PM Sep 28, 2023Observed: 4.94 ft at 4:12PM Sep 28, 2023Observed: 4.89 ft at 4:18PM Sep 28, 2023Observed: 4.84 ft at 4:24PM Sep 28, 2023Observed: 4.79 ft at 4:30PM Sep 28, 2023Observed: 4.74 ft at 4:36PM Sep 28, 2023Observed: 4.7 ft at 4:42PM Sep 28, 2023Observed: 4.66 ft at 4:48PM Sep 28, 2023Observed: 4.63 ft at 4:54PM Sep 28, 2023Observed: 4.59 ft at 5:00PM Sep 28, 2023Observed: 4.56 ft at 5:06PM Sep 28, 2023Observed: 4.53 ft at 5:12PM Sep 28, 2023Observed: 4.51 ft at 5:18PM Sep 28, 2023Observed: 4.48 ft at 5:24PM Sep 28, 2023Observed: 4.46 ft at 5:30PM Sep 28, 2023Observed: 4.44 ft at 5:36PM Sep 28, 2023Observed: 4.42 ft at 5:42PM Sep 28, 2023Observed: 4.4 ft at 5:48PM Sep 28, 2023Observed: 4.39 ft at 5:54PM Sep 28, 2023Observed: 4.37 ft at 6:00PM Sep 28, 2023Observed: 4.36 ft at 6:06PM Sep 28, 2023Observed: 4.34 ft at 6:12PM Sep 28, 2023Observed: 4.33 ft at 6:18PM Sep 28, 2023Observed: 4.31 ft at 6:24PM Sep 28, 2023Observed: 4.3 ft at 6:30PM Sep 28, 2023Observed: 4.29 ft at 6:36PM Sep 28, 2023Observed: 4.28 ft at 6:42PM Sep 28, 2023Observed: 4.27 ft at 6:48PM Sep 28, 2023Observed: 4.26 ft at 6:54PM Sep 28, 2023Observed: 4.25 ft at 7:00PM Sep 28, 2023Observed: 4.24 ft at 7:06PM Sep 28, 2023Observed: 4.23 ft at 7:12PM Sep 28, 2023Observed: 4.22 ft at 7:18PM Sep 28, 2023Observed: 4.22 ft at 7:24PM Sep 28, 2023Observed: 4.21 ft at 7:30PM Sep 28, 2023Observed: 4.2 ft at 7:36PM Sep 28, 2023Observed: 4.19 ft at 7:42PM Sep 28, 2023Observed: 4.19 ft at 7:48PM Sep 28, 2023Observed: 4.18 ft at 7:54PM Sep 28, 2023Observed: 4.18 ft at 8:00PM Sep 28, 2023Observed: 4.17 ft at 8:06PM Sep 28, 2023Observed: 4.17 ft at 8:12PM Sep 28, 2023Observed: 4.17 ft at 8:18PM Sep 28, 2023Observed: 4.2 ft at 8:24PM Sep 28, 2023Observed: 4.25 ft at 8:30PM Sep 28, 2023Observed: 4.37 ft at 8:36PM Sep 28, 2023Observed: 4.57 ft at 8:42PM Sep 28, 2023Observed: 4.85 ft at 8:48PM Sep 28, 2023Observed: 5.18 ft at 8:54PM Sep 28, 2023Observed: 5.54 ft at 9:00PM Sep 28, 2023Observed: 5.95 ft at 9:06PM Sep 28, 2023Observed: 6.38 ft at 9:12PM Sep 28, 2023Observed: 6.8 ft at 9:18PM Sep 28, 2023Observed: 7.2 ft at 9:24PM Sep 28, 2023Observed: 7.59 ft at 9:30PM Sep 28, 2023Observed: 7.9 ft at 9:36PM Sep 28, 2023Observed: 8.18 ft at 9:42PM Sep 28, 2023Observed: 8.6 ft at 9:48PM Sep 28, 2023Observed: 8.87 ft at 9:54PM Sep 28, 2023Observed: 9.01 ft at 10:00PM Sep 28, 2023Observed: 9.14 ft at 10:06PM Sep 28, 2023Observed: 9.25 ft at 10:12PM Sep 28, 2023Observed: 9.32 ft at 10:18PM Sep 28, 2023Observed: 9.34 ft at 10:24PM Sep 28, 2023Observed: 9.43 ft at 10:30PM Sep 28, 2023Observed: 9.49 ft at 10:36PM Sep 28, 2023Observed: 9.55 ft at 10:42PM Sep 28, 2023Observed: 9.57 ft at 10:48PM Sep 28, 2023Observed: 9.59 ft at 10:54PM Sep 28, 2023Observed: 9.61 ft at 11:00PM Sep 28, 2023Observed: 9.6 ft at 11:06PM Sep 28, 2023Observed: 9.6 ft at 11:12PM Sep 28, 2023Observed: 9.6 ft at 11:18PM Sep 28, 2023Observed: 9.58 ft at 11:24PM Sep 28, 2023Observed: 9.53 ft at 11:30PM Sep 28, 2023Observed: 9.51 ft at 11:36PM Sep 28, 2023Observed: 9.48 ft at 11:42PM Sep 28, 2023Observed: 9.48 ft at 11:48PM Sep 28, 2023Observed: 9.46 ft at 11:54PM Sep 28, 2023Observed: 9.42 ft at 12:00AM Sep 29, 2023Observed: 9.4 ft at 12:06AM Sep 29, 2023Observed: 9.38 ft at 12:12AM Sep 29, 2023Observed: 9.34 ft at 12:18AM Sep 29, 2023Observed: 9.26 ft at 12:24AM Sep 29, 2023Observed: 9.17 ft at 12:30AM Sep 29, 2023Observed: 9.08 ft at 12:36AM Sep 29, 2023Observed: 8.94 ft at 12:42AM Sep 29, 2023Observed: 8.84 ft at 12:48AM Sep 29, 2023Observed: 8.73 ft at 12:54AM Sep 29, 2023Observed: 8.63 ft at 1:00AM Sep 29, 2023Observed: 8.62 ft at 1:06AM Sep 29, 2023Observed: 8.59 ft at 1:12AM Sep 29, 2023Observed: 8.56 ft at 1:18AM Sep 29, 2023Observed: 8.52 ft at 1:24AM Sep 29, 2023Observed: 8.46 ft at 1:30AM Sep 29, 2023Observed: 8.4 ft at 1:36AM Sep 29, 2023Observed: 8.32 ft at 1:42AM Sep 29, 2023Observed: 8.23 ft at 1:48AM Sep 29, 2023Observed: 8.13 ft at 1:54AM Sep 29, 2023Observed: 8.02 ft at 2:00AM Sep 29, 2023Observed: 7.91 ft at 2:06AM Sep 29, 2023Observed: 7.79 ft at 2:12AM Sep 29, 2023Observed: 7.66 ft at 2:18AM Sep 29, 2023Observed: 7.53 ft at 2:24AM Sep 29, 2023Observed: 7.37 ft at 2:30AM Sep 29, 2023Observed: 7.21 ft at 2:36AM Sep 29, 2023Observed: 7.05 ft at 2:42AM Sep 29, 2023Observed: 7.73 ft at 2:48AM Sep 29, 2023Observed: 8.82 ft at 2:54AM Sep 29, 2023Observed: 8.88 ft at 3:00AM Sep 29, 2023Observed: 8.98 ft at 3:06AM Sep 29, 2023Observed: 8.95 ft at 3:12AM Sep 29, 2023Observed: 8.83 ft at 3:18AM Sep 29, 2023Observed: 8.66 ft at 3:24AM Sep 29, 2023Observed: 8.42 ft at 3:30AM Sep 29, 2023Observed: 7.95 ft at 3:36AM Sep 29, 2023Observed: 7.52 ft at 3:42AM Sep 29, 2023Observed: 7.1 ft at 3:48AM Sep 29, 2023Observed: 6.75 ft at 3:54AM Sep 29, 2023Observed: 8.71 ft at 4:00AM Sep 29, 2023Observed: 8.98 ft at 4:06AM Sep 29, 2023Observed: 9.3 ft at 4:12AM Sep 29, 2023Observed: 9.32 ft at 4:18AM Sep 29, 2023Observed: 9.32 ft at 4:24AM Sep 29, 2023Observed: 9.32 ft at 4:30AM Sep 29, 2023Observed: 9.31 ft at 4:36AM Sep 29, 2023Observed: 9.31 ft at 4:42AM Sep 29, 2023Observed: 9.3 ft at 4:48AM Sep 29, 2023Observed: 9.28 ft at 4:54AM Sep 29, 2023Observed: 9.12 ft at 5:00AM Sep 29, 2023Observed: 9 ft at 5:06AM Sep 29, 2023Observed: 8.9 ft at 5:12AM Sep 29, 2023Observed: 8.82 ft at 5:18AM Sep 29, 2023Observed: 8.76 ft at 5:24AM Sep 29, 2023Observed: 8.7 ft at 5:30AM Sep 29, 2023Observed: 8.65 ft at 5:36AM Sep 29, 2023Observed: 8.26 ft at 5:42AM Sep 29, 2023Observed: 7.73 ft at 5:48AM Sep 29, 2023Observed: 7.21 ft at 5:54AM Sep 29, 2023Observed: 6.75 ft at 6:00AM Sep 29, 2023Observed: 6.33 ft at 6:06AM Sep 29, 2023Observed: 5.98 ft at 6:12AM Sep 29, 2023Observed: 5.67 ft at 6:18AM Sep 29, 2023Observed: 5.42 ft at 6:24AM Sep 29, 2023Observed: 5.2 ft at 6:30AM Sep 29, 2023Observed: 5.02 ft at 6:36AM Sep 29, 2023Observed: 4.86 ft at 6:42AM Sep 29, 2023Observed: 8.7 ft at 6:48AM Sep 29, 2023Observed: 9.01 ft at 6:54AM Sep 29, 2023Observed: 9.32 ft at 7:00AM Sep 29, 2023Observed: 9.34 ft at 7:06AM Sep 29, 2023Observed: 9.34 ft at 7:12AM Sep 29, 2023Observed: 9.34 ft at 7:18AM Sep 29, 2023Observed: 9.34 ft at 7:24AM Sep 29, 2023Observed: 9.34 ft at 7:30AM Sep 29, 2023Observed: 9.34 ft at 7:36AM Sep 29, 2023Observed: 9.34 ft at 7:42AM Sep 29, 2023Observed: 9.34 ft at 7:48AM Sep 29, 2023Observed: 9.35 ft at 7:54AM Sep 29, 2023Observed: 9.35 ft at 8:00AM Sep 29, 2023Observed: 9.35 ft at 8:06AM Sep 29, 2023Observed: 9.35 ft at 8:12AM Sep 29, 2023Observed: 9.35 ft at 8:18AM Sep 29, 2023Observed: 9.35 ft at 8:24AM Sep 29, 2023Observed: 9.37 ft at 8:30AM Sep 29, 2023Observed: 9.38 ft at 8:36AM Sep 29, 2023Observed: 9.38 ft at 8:42AM Sep 29, 2023Observed: 9.41 ft at 8:48AM Sep 29, 2023Observed: 9.44 ft at 8:54AM Sep 29, 2023Observed: 9.44 ft at 9:00AM Sep 29, 2023Observed: 9.41 ft at 9:06AM Sep 29, 2023Observed: 9.4 ft at 9:12AM Sep 29, 2023Observed: 9.39 ft at 9:18AM Sep 29, 2023Observed: 9.38 ft at 9:24AM Sep 29, 2023Observed: 9.38 ft at 9:30AM Sep 29, 2023Observed: 9.37 ft at 9:36AM Sep 29, 2023Observed: 9.37 ft at 9:42AM Sep 29, 2023Observed: 9.36 ft at 9:48AM Sep 29, 2023Observed: 9.36 ft at 9:54AM Sep 29, 2023Observed: 9.36 ft at 10:00AM Sep 29, 2023Observed: 9.36 ft at 10:06AM Sep 29, 2023Observed: 9.36 ft at 10:12AM Sep 29, 2023Observed: 9.37 ft at 10:18AM Sep 29, 2023Observed: 9.47 ft at 10:24AM Sep 29, 2023Observed: 9.58 ft at 10:30AM Sep 29, 2023Observed: 9.69 ft at 10:36AM Sep 29, 2023Observed: 9.79 ft at 10:42AM Sep 29, 2023Observed: 9.79 ft at 10:48AM Sep 29, 2023Observed: 9.79 ft at 10:54AM Sep 29, 2023Observed: 9.89 ft at 11:00AM Sep 29, 2023Observed: 9.91 ft at 11:06AM Sep 29, 2023Observed: 9.86 ft at 11:12AM Sep 29, 2023Observed: 9.91 ft at 11:18AM Sep 29, 2023Observed: 9.93 ft at 11:24AM Sep 29, 2023Observed: 9.9 ft at 11:30AM Sep 29, 2023Highest Observation: 9.97 ft at 11:36AM Sep 29, 2023Observed: 9.94 ft at 11:42AM Sep 29, 2023Observed: 9.96 ft at 11:48AM Sep 29, 2023Highest Observation: 9.97 ft at 11:54AM Sep 29, 2023Observed: 9.93 ft at 12:00PM Sep 29, 2023Observed: 9.92 ft at 12:06PM Sep 29, 2023Highest Observation: 9.97 ft at 12:12PM Sep 29, 2023Observed: 9.91 ft at 12:18PM Sep 29, 2023Observed: 9.88 ft at 12:24PM Sep 29, 2023Observed: 9.92 ft at 12:30PM Sep 29, 2023Observed: 9.81 ft at 12:36PM Sep 29, 2023Observed: 9.79 ft at 12:42PM Sep 29, 2023Observed: 9.74 ft at 12:48PM Sep 29, 2023Observed: 9.64 ft at 12:54PM Sep 29, 2023Observed: 9.6 ft at 1:00PM Sep 29, 2023Observed: 9.56 ft at 1:06PM Sep 29, 2023Observed: 9.43 ft at 1:12PM Sep 29, 2023Observed: 9.37 ft at 1:18PM Sep 29, 2023Observed: 9.36 ft at 1:24PM Sep 29, 2023Observed: 9.36 ft at 1:30PM Sep 29, 2023Observed: 9.36 ft at 1:36PM Sep 29, 2023Observed: 9.36 ft at 1:42PM Sep 29, 2023Observed: 9.35 ft at 1:48PM Sep 29, 2023Observed: 9.35 ft at 1:54PM Sep 29, 2023Observed: 9.34 ft at 2:00PM Sep 29, 2023Observed: 9.34 ft at 2:06PM Sep 29, 2023Observed: 9.34 ft at 2:12PM Sep 29, 2023Observed: 9.33 ft at 2:18PM Sep 29, 2023Observed: 9.33 ft at 2:24PM Sep 29, 2023Observed: 9.33 ft at 2:30PM Sep 29, 2023Observed: 9.32 ft at 2:36PM Sep 29, 2023Observed: 9.31 ft at 2:42PM Sep 29, 2023Observed: 9.31 ft at 2:48PM Sep 29, 2023Observed: 9.3 ft at 2:54PM Sep 29, 2023Observed: 9.3 ft at 3:00PM Sep 29, 2023Observed: 9.29 ft at 3:06PM Sep 29, 2023Observed: 9.29 ft at 3:12PM Sep 29, 2023Observed: 9.28 ft at 3:18PM Sep 29, 2023Observed: 9.28 ft at 3:24PM Sep 29, 2023Observed: 9.28 ft at 3:30PM Sep 29, 2023Observed: 9.27 ft at 3:36PM Sep 29, 2023Observed: 9.27 ft at 3:42PM Sep 29, 2023Observed: 9.26 ft at 3:48PM Sep 29, 2023Observed: 9.26 ft at 3:54PM Sep 29, 2023Observed: 9.25 ft at 4:00PM Sep 29, 2023Observed: 9.24 ft at 4:06PM Sep 29, 2023Observed: 9.28 ft at 4:12PM Sep 29, 2023Observed: 9.3 ft at 4:18PM Sep 29, 2023Observed: 9.31 ft at 4:24PM Sep 29, 2023Observed: 9.32 ft at 4:30PM Sep 29, 2023Observed: 9.32 ft at 4:36PM Sep 29, 2023Observed: 9.32 ft at 4:42PM Sep 29, 2023Observed: 9.32 ft at 4:48PM Sep 29, 2023Observed: 9.33 ft at 4:54PM Sep 29, 2023Observed: 9.33 ft at 5:00PM Sep 29, 2023Observed: 9.34 ft at 5:06PM Sep 29, 2023Observed: 9.34 ft at 5:12PM Sep 29, 2023Observed: 9.34 ft at 5:18PM Sep 29, 2023Observed: 9.34 ft at 5:24PM Sep 29, 2023Observed: 9.34 ft at 5:30PM Sep 29, 2023Observed: 9.34 ft at 5:36PM Sep 29, 2023Observed: 9.33 ft at 5:42PM Sep 29, 2023Observed: 9.33 ft at 5:48PM Sep 29, 2023Observed: 9.32 ft at 5:54PM Sep 29, 2023Observed: 9.3 ft at 6:00PM Sep 29, 2023Observed: 9.19 ft at 6:06PM Sep 29, 2023Observed: 9.12 ft at 6:12PM Sep 29, 2023Observed: 9.09 ft at 6:18PM Sep 29, 2023Observed: 9.11 ft at 6:24PM Sep 29, 2023Observed: 9.14 ft at 6:30PM Sep 29, 2023Observed: 9.15 ft at 6:36PM Sep 29, 2023Observed: 9.15 ft at 6:42PM Sep 29, 2023Observed: 9.16 ft at 6:48PM Sep 29, 2023Observed: 9.29 ft at 6:54PM Sep 29, 2023Observed: 9.33 ft at 7:00PM Sep 29, 2023Observed: 9.33 ft at 7:06PM Sep 29, 2023Observed: 9.32 ft at 7:12PM Sep 29, 2023Observed: 9.32 ft at 7:18PM Sep 29, 2023Observed: 9.31 ft at 7:24PM Sep 29, 2023Observed: 9.31 ft at 7:30PM Sep 29, 2023Observed: 9.29 ft at 7:36PM Sep 29, 2023Observed: 9.25 ft at 7:42PM Sep 29, 2023Observed: 9.2 ft at 7:48PM Sep 29, 2023Observed: 9.14 ft at 7:54PM Sep 29, 2023Observed: 9.06 ft at 8:00PM Sep 29, 2023Observed: 9.01 ft at 8:06PM Sep 29, 2023Observed: 8.98 ft at 8:12PM Sep 29, 2023Observed: 8.97 ft at 8:18PM Sep 29, 2023Observed: 8.95 ft at 8:24PM Sep 29, 2023Observed: 8.93 ft at 8:30PM Sep 29, 2023Observed: 8.91 ft at 8:36PM Sep 29, 2023Observed: 8.88 ft at 8:42PM Sep 29, 2023Observed: 8.85 ft at 8:48PM Sep 29, 2023Observed: 8.83 ft at 8:54PM Sep 29, 2023Observed: 8.8 ft at 9:00PM Sep 29, 2023Observed: 8.78 ft at 9:06PM Sep 29, 2023Observed: 8.78 ft at 9:12PM Sep 29, 2023Observed: 8.77 ft at 9:18PM Sep 29, 2023Observed: 8.75 ft at 9:24PM Sep 29, 2023Observed: 8.73 ft at 9:30PM Sep 29, 2023Observed: 8.71 ft at 9:36PM Sep 29, 2023Observed: 8.68 ft at 9:42PM Sep 29, 2023Observed: 8.65 ft at 9:48PM Sep 29, 2023Observed: 8.63 ft at 9:54PM Sep 29, 2023Observed: 8.59 ft at 10:00PM Sep 29, 2023Observed: 8.54 ft at 10:06PM Sep 29, 2023Observed: 8.49 ft at 10:12PM Sep 29, 2023Observed: 8.47 ft at 10:18PM Sep 29, 2023Observed: 8.47 ft at 10:24PM Sep 29, 2023Observed: 8.48 ft at 10:30PM Sep 29, 2023Observed: 8.77 ft at 10:36PM Sep 29, 2023Observed: 8.94 ft at 10:42PM Sep 29, 2023Observed: 9.07 ft at 10:48PM Sep 29, 2023Observed: 9.23 ft at 10:54PM Sep 29, 2023Observed: 9.32 ft at 11:00PM Sep 29, 2023Observed: 9.36 ft at 11:06PM Sep 29, 2023Observed: 9.47 ft at 11:12PM Sep 29, 2023Observed: 9.52 ft at 11:18PM Sep 29, 2023Observed: 9.52 ft at 11:24PM Sep 29, 2023Observed: 9.53 ft at 11:30PM Sep 29, 2023Observed: 9.55 ft at 11:36PM Sep 29, 2023Observed: 9.54 ft at 11:42PM Sep 29, 2023Observed: 9.55 ft at 11:48PM Sep 29, 2023Observed: 9.5 ft at 11:54PM Sep 29, 2023Observed: 9.51 ft at 12:00AM Sep 30, 2023Observed: 9.51 ft at 12:06AM Sep 30, 2023Observed: 9.46 ft at 12:12AM Sep 30, 2023Observed: 9.45 ft at 12:18AM Sep 30, 2023Observed: 9.45 ft at 12:24AM Sep 30, 2023Observed: 9.41 ft at 12:30AM Sep 30, 2023Observed: 9.38 ft at 12:36AM Sep 30, 2023Observed: 9.38 ft at 12:42AM Sep 30, 2023Observed: 9.35 ft at 12:48AM Sep 30, 2023Observed: 9.33 ft at 12:54AM Sep 30, 2023Observed: 9.31 ft at 1:00AM Sep 30, 2023Observed: 9.29 ft at 1:06AM Sep 30, 2023Observed: 9.23 ft at 1:12AM Sep 30, 2023Observed: 9.17 ft at 1:18AM Sep 30, 2023Observed: 9.08 ft at 1:24AM Sep 30, 2023Observed: 9.02 ft at 1:30AM Sep 30, 2023Observed: 8.95 ft at 1:36AM Sep 30, 2023Observed: 8.89 ft at 1:42AM Sep 30, 2023Observed: 8.84 ft at 1:48AM Sep 30, 2023Observed: 8.78 ft at 1:54AM Sep 30, 2023Observed: 8.84 ft at 2:00AM Sep 30, 2023Observed: 8.88 ft at 2:06AM Sep 30, 2023Observed: 8.85 ft at 2:12AM Sep 30, 2023Observed: 8.85 ft at 2:18AM Sep 30, 2023Observed: 8.87 ft at 2:24AM Sep 30, 2023Observed: 8.87 ft at 2:30AM Sep 30, 2023Observed: 8.85 ft at 2:36AM Sep 30, 2023Observed: 8.83 ft at 2:42AM Sep 30, 2023Observed: 8.82 ft at 2:48AM Sep 30, 2023Observed: 8.81 ft at 2:54AM Sep 30, 2023Observed: 8.8 ft at 3:00AM Sep 30, 2023Observed: 8.79 ft at 3:06AM Sep 30, 2023Observed: 8.79 ft at 3:12AM Sep 30, 2023Observed: 8.79 ft at 3:18AM Sep 30, 2023Observed: 8.79 ft at 3:24AM Sep 30, 2023Observed: 8.8 ft at 3:30AM Sep 30, 2023Observed: 8.8 ft at 3:36AM Sep 30, 2023Observed: 8.8 ft at 3:42AM Sep 30, 2023Observed: 8.79 ft at 3:48AM Sep 30, 2023Observed: 8.78 ft at 3:54AM Sep 30, 2023Observed: 8.75 ft at 4:00AM Sep 30, 2023Observed: 8.74 ft at 4:06AM Sep 30, 2023Observed: 8.72 ft at 4:12AM Sep 30, 2023Observed: 8.71 ft at 4:18AM Sep 30, 2023Observed: 8.7 ft at 4:24AM Sep 30, 2023Observed: 8.68 ft at 4:30AM Sep 30, 2023Observed: 8.66 ft at 4:36AM Sep 30, 2023Observed: 8.64 ft at 4:42AM Sep 30, 2023Observed: 8.63 ft at 4:48AM Sep 30, 2023Observed: 8.63 ft at 4:54AM Sep 30, 2023Observed: 8.68 ft at 5:00AM Sep 30, 2023Observed: 8.71 ft at 5:06AM Sep 30, 2023Observed: 8.75 ft at 5:12AM Sep 30, 2023Observed: 8.79 ft at 5:18AM Sep 30, 2023Observed: 8.82 ft at 5:24AM Sep 30, 2023Observed: 8.85 ft at 5:30AM Sep 30, 2023Observed: 8.87 ft at 5:36AM Sep 30, 2023Observed: 8.88 ft at 5:42AM Sep 30, 2023Observed: 8.89 ft at 5:48AM Sep 30, 2023Observed: 8.89 ft at 5:54AM Sep 30, 2023Observed: 8.9 ft at 6:00AM Sep 30, 2023Observed: 8.91 ft at 6:06AM Sep 30, 2023Observed: 8.91 ft at 6:12AM Sep 30, 2023Observed: 8.91 ft at 6:18AM Sep 30, 2023Observed: 8.92 ft at 6:24AM Sep 30, 2023Observed: 8.93 ft at 6:30AM Sep 30, 2023Observed: 8.94 ft at 6:36AM Sep 30, 2023Observed: 8.96 ft at 6:42AM Sep 30, 2023Observed: 8.98 ft at 6:48AM Sep 30, 2023Observed: 8.99 ft at 6:54AM Sep 30, 2023Observed: 9 ft at 7:00AM Sep 30, 2023Observed: 9.01 ft at 7:06AM Sep 30, 2023Observed: 9.01 ft at 7:12AM Sep 30, 2023Observed: 9.01 ft at 7:18AM Sep 30, 2023Observed: 9.01 ft at 7:24AM Sep 30, 2023Observed: 9.01 ft at 7:30AM Sep 30, 2023Observed: 9 ft at 7:36AM Sep 30, 2023Observed: 9 ft at 7:42AM Sep 30, 2023Observed: 9 ft at 7:48AM Sep 30, 2023Observed: 9 ft at 7:54AM Sep 30, 2023Observed: 8.99 ft at 8:00AM Sep 30, 2023Observed: 8.99 ft at 8:06AM Sep 30, 2023Observed: 8.99 ft at 8:12AM Sep 30, 2023Observed: 9.02 ft at 8:18AM Sep 30, 2023Observed: 9.09 ft at 8:24AM Sep 30, 2023Observed: 9.25 ft at 8:30AM Sep 30, 2023Observed: 9.32 ft at 8:36AM Sep 30, 2023Observed: 9.32 ft at 8:42AM Sep 30, 2023Observed: 9.33 ft at 8:48AM Sep 30, 2023Observed: 9.33 ft at 8:54AM Sep 30, 2023Observed: 9.33 ft at 9:00AM Sep 30, 2023Observed: 9.33 ft at 9:06AM Sep 30, 2023Observed: 9.33 ft at 9:12AM Sep 30, 2023Observed: 9.33 ft at 9:18AM Sep 30, 2023Observed: 9.33 ft at 9:24AM Sep 30, 2023Observed: 9.33 ft at 9:30AM Sep 30, 2023Observed: 9.33 ft at 9:36AM Sep 30, 2023Observed: 9.33 ft at 9:42AM Sep 30, 2023Observed: 9.33 ft at 9:48AM Sep 30, 2023Observed: 9.33 ft at 9:54AM Sep 30, 2023Observed: 9.33 ft at 10:00AM Sep 30, 2023Observed: 9.33 ft at 10:06AM Sep 30, 2023Observed: 9.33 ft at 10:12AM Sep 30, 2023Observed: 9.33 ft at 10:18AM Sep 30, 2023Observed: 9.33 ft at 10:24AM Sep 30, 2023Observed: 9.33 ft at 10:30AM Sep 30, 2023Observed: 9.33 ft at 10:36AM Sep 30, 2023Observed: 9.33 ft at 10:42AM Sep 30, 2023USGS--Water Resources of the United StatesWESN6(plotting HMIRG) Graph Created (11:01AM Sep 30, 2023)ObservedLatest observed value: 9.33 ft at 10:42 AM EDT 30-Sep-2023. Flood Stage is 10.1 ft
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Tabular Data (UTC)
Tabular Data (EDT)
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Datum: Not Available
Metadata
Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts are not available for the West Pond at Glen Cove. Only observed stages are available for this point.

Vertical Datum references a tidal datum (MLLW). For more information click on USGS link below.

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Flood Categories (in feet)
Major Flood Stage: 13.1
Moderate Flood Stage: 11.1
Flood Stage: 10.1
Action Stage: 9.8
Low Stage (in feet): -1.8

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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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.
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12.5 Generally 2 to 3 feet of inundation along shoreline communities of Western Long Island, with up to 3 to 4 feet of inundation across low lying shoreline areas of Bayville, Glen Cove, Lattingtown and Oyster Bay.
11.1 Minor flooding on Shore Road, Port Washington Estates and Sunset Park on Main Street.
10.1 Minor coastal flooding of Sunset Park on Main Street. Water beginning to lap onto Shore Road. Minor coastal flooding in the area of Port Washington and along Secor Drive.
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Latitude: 40.888600° N, Longitude: 73.638000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10.1 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 Not Available  

Current/Historical Observations:

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NWS Information
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Upton Weather Forecast Office
175 Brookhaven Ave. Bldg. NWS-1
Upton, NY 11973
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Page last modified: 2-Nov-2020 7:30 PM
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