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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 Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

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DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE
Hydrograph River at a Glance Download
Raritan Bay at Keansburg (IN MLLW) Tide Height (ft)Observed: 1.99 ft at 6:36AM Dec 04, 2023Observed: 1.98 ft at 6:42AM Dec 04, 2023Observed: 1.97 ft at 6:48AM Dec 04, 2023Observed: 1.95 ft at 6:54AM Dec 04, 2023Observed: 1.99 ft at 7:00AM Dec 04, 2023Observed: 2.02 ft at 7:06AM Dec 04, 2023Observed: 1.98 ft at 7:12AM Dec 04, 2023Observed: 2.04 ft at 7:18AM Dec 04, 2023Observed: 2.02 ft at 7:24AM Dec 04, 2023Observed: 2.05 ft at 7:30AM Dec 04, 2023Observed: 2.03 ft at 7:36AM Dec 04, 2023Observed: 2.08 ft at 7:42AM Dec 04, 2023Observed: 2.08 ft at 7:48AM Dec 04, 2023Observed: 2.19 ft at 7:54AM Dec 04, 2023Observed: 2.23 ft at 8:00AM Dec 04, 2023Observed: 2.33 ft at 8:06AM Dec 04, 2023Observed: 2.33 ft at 8:12AM Dec 04, 2023Observed: 2.47 ft at 8:18AM Dec 04, 2023Observed: 2.48 ft at 8:24AM Dec 04, 2023Observed: 2.57 ft at 8:30AM Dec 04, 2023Observed: 2.65 ft at 8:36AM Dec 04, 2023Observed: 2.75 ft at 8:42AM Dec 04, 2023Observed: 2.8 ft at 8:48AM Dec 04, 2023Observed: 2.94 ft at 8:54AM Dec 04, 2023Observed: 3.06 ft at 9:00AM Dec 04, 2023Observed: 3.16 ft at 9:06AM Dec 04, 2023Observed: 3.28 ft at 9:12AM Dec 04, 2023Observed: 3.42 ft at 9:18AM Dec 04, 2023Observed: 3.5 ft at 9:24AM Dec 04, 2023Observed: 3.62 ft at 9:30AM Dec 04, 2023Observed: 3.77 ft at 9:36AM Dec 04, 2023Observed: 3.88 ft at 9:42AM Dec 04, 2023Observed: 4.01 ft at 9:48AM Dec 04, 2023Observed: 4.14 ft at 9:54AM Dec 04, 2023Observed: 4.25 ft at 10:00AM Dec 04, 2023Observed: 4.35 ft at 10:06AM Dec 04, 2023Observed: 4.47 ft at 10:12AM Dec 04, 2023Observed: 4.56 ft at 10:18AM Dec 04, 2023Observed: 4.65 ft at 10:24AM Dec 04, 2023Observed: 4.73 ft at 10:30AM Dec 04, 2023Observed: 4.79 ft at 10:36AM Dec 04, 2023Observed: 4.84 ft at 10:42AM Dec 04, 2023Observed: 4.89 ft at 10:48AM Dec 04, 2023Observed: 4.93 ft at 10:54AM Dec 04, 2023Observed: 4.96 ft at 11:00AM Dec 04, 2023Observed: 5.01 ft at 11:06AM Dec 04, 2023Observed: 5.04 ft at 11:12AM Dec 04, 2023Observed: 5.06 ft at 11:18AM Dec 04, 2023Observed: 5.09 ft at 11:24AM Dec 04, 2023Observed: 5.08 ft at 11:30AM Dec 04, 2023Observed: 5.1 ft at 11:36AM Dec 04, 2023Observed: 5.09 ft at 11:42AM Dec 04, 2023Observed: 5.1 ft at 11:48AM Dec 04, 2023Observed: 5.11 ft at 11:54AM Dec 04, 2023Observed: 5.14 ft at 12:00PM Dec 04, 2023Observed: 5.09 ft at 12:06PM Dec 04, 2023Observed: 5.09 ft at 12:12PM Dec 04, 2023Observed: 5.07 ft at 12:18PM Dec 04, 2023Observed: 5.07 ft at 12:24PM Dec 04, 2023Observed: 5.06 ft at 12:30PM Dec 04, 2023Observed: 5.04 ft at 12:36PM Dec 04, 2023Observed: 5 ft at 12:42PM Dec 04, 2023Observed: 4.97 ft at 12:48PM Dec 04, 2023Observed: 5 ft at 12:54PM Dec 04, 2023Observed: 4.96 ft at 1:00PM Dec 04, 2023Observed: 4.94 ft at 1:06PM Dec 04, 2023Observed: 4.85 ft at 1:12PM Dec 04, 2023Observed: 4.85 ft at 1:18PM Dec 04, 2023Observed: 4.74 ft at 1:24PM Dec 04, 2023Observed: 4.72 ft at 1:30PM Dec 04, 2023Observed: 4.69 ft at 1:36PM Dec 04, 2023Observed: 4.63 ft at 1:42PM Dec 04, 2023Observed: 4.56 ft at 1:48PM Dec 04, 2023Observed: 4.49 ft at 1:54PM Dec 04, 2023Observed: 4.4 ft at 2:00PM Dec 04, 2023Observed: 4.35 ft at 2:06PM Dec 04, 2023Observed: 4.25 ft at 2:12PM Dec 04, 2023Observed: 4.12 ft at 2:18PM Dec 04, 2023Observed: 4 ft at 2:24PM Dec 04, 2023Observed: 3.93 ft at 2:30PM Dec 04, 2023Observed: 3.84 ft at 2:36PM Dec 04, 2023Observed: 3.77 ft at 2:42PM Dec 04, 2023Observed: 3.67 ft at 2:48PM Dec 04, 2023Observed: 3.62 ft at 2:54PM Dec 04, 2023Observed: 3.54 ft at 3:00PM Dec 04, 2023Observed: 3.46 ft at 3:06PM Dec 04, 2023Observed: 3.39 ft at 3:12PM Dec 04, 2023Observed: 3.34 ft at 3:18PM Dec 04, 2023Observed: 3.25 ft at 3:24PM Dec 04, 2023Observed: 3.21 ft at 3:30PM Dec 04, 2023Observed: 3.16 ft at 3:36PM Dec 04, 2023Observed: 3.15 ft at 3:42PM Dec 04, 2023Observed: 3.1 ft at 3:48PM Dec 04, 2023Observed: 3.06 ft at 3:54PM Dec 04, 2023Observed: 2.98 ft at 4:00PM Dec 04, 2023Observed: 2.99 ft at 4:06PM Dec 04, 2023Observed: 2.9 ft at 4:12PM Dec 04, 2023Observed: 2.81 ft at 4:18PM Dec 04, 2023Observed: 2.7 ft at 4:24PM Dec 04, 2023Observed: 2.74 ft at 4:30PM Dec 04, 2023Observed: 2.67 ft at 4:36PM Dec 04, 2023Observed: 2.6 ft at 4:42PM Dec 04, 2023Observed: 2.52 ft at 4:48PM Dec 04, 2023Observed: 2.48 ft at 4:54PM Dec 04, 2023Observed: 2.41 ft at 5:00PM Dec 04, 2023Observed: 2.38 ft at 5:06PM Dec 04, 2023Observed: 2.39 ft at 5:12PM Dec 04, 2023Observed: 2.31 ft at 5:18PM Dec 04, 2023Observed: 2.26 ft at 5:24PM Dec 04, 2023Observed: 2.22 ft at 5:30PM Dec 04, 2023Observed: 2.22 ft at 5:36PM Dec 04, 2023Observed: 2.13 ft at 5:42PM Dec 04, 2023Observed: 2.1 ft at 5:48PM Dec 04, 2023Observed: 2.06 ft at 5:54PM Dec 04, 2023Observed: 1.98 ft at 6:00PM Dec 04, 2023Observed: 1.96 ft at 6:06PM Dec 04, 2023Observed: 1.96 ft at 6:12PM Dec 04, 2023Observed: 1.87 ft at 6:18PM Dec 04, 2023Observed: 1.87 ft at 6:24PM Dec 04, 2023Observed: 1.8 ft at 6:30PM Dec 04, 2023Observed: 1.76 ft at 6:36PM Dec 04, 2023Observed: 1.69 ft at 6:42PM Dec 04, 2023Observed: 1.68 ft at 6:48PM Dec 04, 2023Observed: 1.65 ft at 6:54PM Dec 04, 2023Observed: 1.6 ft at 7:00PM Dec 04, 2023Observed: 1.59 ft at 7:06PM Dec 04, 2023Observed: 1.55 ft at 7:12PM Dec 04, 2023Observed: 1.49 ft at 7:18PM Dec 04, 2023Observed: 1.47 ft at 7:24PM Dec 04, 2023Observed: 1.47 ft at 7:30PM Dec 04, 2023Observed: 1.39 ft at 7:36PM Dec 04, 2023Observed: 1.42 ft at 7:42PM Dec 04, 2023Observed: 1.44 ft at 7:48PM Dec 04, 2023Observed: 1.44 ft at 7:54PM Dec 04, 2023Observed: 1.46 ft at 8:00PM Dec 04, 2023Observed: 1.46 ft at 8:06PM Dec 04, 2023Observed: 1.45 ft at 8:12PM Dec 04, 2023Observed: 1.46 ft at 8:18PM Dec 04, 2023Observed: 1.47 ft at 8:24PM Dec 04, 2023Observed: 1.49 ft at 8:30PM Dec 04, 2023Observed: 1.52 ft at 8:36PM Dec 04, 2023Observed: 1.49 ft at 8:42PM Dec 04, 2023Observed: 1.62 ft at 8:48PM Dec 04, 2023Observed: 1.6 ft at 8:54PM Dec 04, 2023Observed: 1.62 ft at 9:00PM Dec 04, 2023Observed: 1.67 ft at 9:06PM Dec 04, 2023Observed: 1.72 ft at 9:12PM Dec 04, 2023Observed: 1.72 ft at 9:18PM Dec 04, 2023Observed: 1.76 ft at 9:24PM Dec 04, 2023Observed: 1.86 ft at 9:30PM Dec 04, 2023Observed: 1.92 ft at 9:36PM Dec 04, 2023Observed: 2.01 ft at 9:42PM Dec 04, 2023Observed: 2.08 ft at 9:48PM Dec 04, 2023Observed: 2.21 ft at 9:54PM Dec 04, 2023Observed: 2.28 ft at 10:00PM Dec 04, 2023Observed: 2.39 ft at 10:06PM Dec 04, 2023Observed: 2.49 ft at 10:12PM Dec 04, 2023Observed: 2.58 ft at 10:18PM Dec 04, 2023Observed: 2.68 ft at 10:24PM Dec 04, 2023Observed: 2.78 ft at 10:30PM Dec 04, 2023Observed: 2.88 ft at 10:36PM Dec 04, 2023Observed: 2.98 ft at 10:42PM Dec 04, 2023Observed: 3.09 ft at 10:48PM Dec 04, 2023Observed: 3.14 ft at 10:54PM Dec 04, 2023Observed: 3.22 ft at 11:00PM Dec 04, 2023Observed: 3.32 ft at 11:06PM Dec 04, 2023Observed: 3.42 ft at 11:12PM Dec 04, 2023Observed: 3.49 ft at 11:18PM Dec 04, 2023Observed: 3.56 ft at 11:24PM Dec 04, 2023Observed: 3.64 ft at 11:30PM Dec 04, 2023Observed: 3.72 ft at 11:36PM Dec 04, 2023Observed: 3.81 ft at 11:42PM Dec 04, 2023Observed: 3.89 ft at 11:48PM Dec 04, 2023Observed: 3.97 ft at 11:54PM Dec 04, 2023Observed: 4.06 ft at 12:00AM Dec 05, 2023Observed: 4.15 ft at 12:06AM Dec 05, 2023Observed: 4.25 ft at 12:12AM Dec 05, 2023Observed: 4.34 ft at 12:18AM Dec 05, 2023Observed: 4.42 ft at 12:24AM Dec 05, 2023Observed: 4.49 ft at 12:30AM Dec 05, 2023Observed: 4.56 ft at 12:36AM Dec 05, 2023Observed: 4.61 ft at 12:42AM Dec 05, 2023Observed: 4.68 ft at 12:48AM Dec 05, 2023Observed: 4.75 ft at 12:54AM Dec 05, 2023Observed: 4.79 ft at 1:00AM Dec 05, 2023Observed: 4.85 ft at 1:06AM Dec 05, 2023Observed: 4.9 ft at 1:12AM Dec 05, 2023Observed: 4.92 ft at 1:18AM Dec 05, 2023Observed: 4.94 ft at 1:24AM Dec 05, 2023Observed: 4.95 ft at 1:30AM Dec 05, 2023Observed: 4.94 ft at 1:36AM Dec 05, 2023Observed: 4.94 ft at 1:42AM Dec 05, 2023Observed: 4.94 ft at 1:48AM Dec 05, 2023Observed: 4.92 ft at 1:54AM Dec 05, 2023Observed: 4.86 ft at 2:00AM Dec 05, 2023Observed: 4.81 ft at 2:06AM Dec 05, 2023Observed: 4.76 ft at 2:12AM Dec 05, 2023Observed: 4.69 ft at 2:18AM Dec 05, 2023Observed: 4.59 ft at 2:24AM Dec 05, 2023Observed: 4.53 ft at 2:30AM Dec 05, 2023Observed: 4.44 ft at 2:36AM Dec 05, 2023Observed: 4.4 ft at 2:42AM Dec 05, 2023Observed: 4.3 ft at 2:48AM Dec 05, 2023Observed: 4.26 ft at 2:54AM Dec 05, 2023Observed: 4.16 ft at 3:00AM Dec 05, 2023Observed: 4.09 ft at 3:06AM Dec 05, 2023Observed: 3.98 ft at 3:12AM Dec 05, 2023Observed: 3.9 ft at 3:18AM Dec 05, 2023Observed: 3.85 ft at 3:24AM Dec 05, 2023Observed: 3.78 ft at 3:30AM Dec 05, 2023Observed: 3.74 ft at 3:36AM Dec 05, 2023Observed: 3.64 ft at 3:42AM Dec 05, 2023Observed: 3.58 ft at 3:48AM Dec 05, 2023Observed: 3.44 ft at 3:54AM Dec 05, 2023Observed: 3.4 ft at 4:00AM Dec 05, 2023Observed: 3.29 ft at 4:06AM Dec 05, 2023Observed: 3.23 ft at 4:12AM Dec 05, 2023Observed: 3.14 ft at 4:18AM Dec 05, 2023Observed: 3.11 ft at 4:24AM Dec 05, 2023Observed: 2.98 ft at 4:30AM Dec 05, 2023Observed: 2.95 ft at 4:36AM Dec 05, 2023Observed: 2.9 ft at 4:42AM Dec 05, 2023Observed: 2.86 ft at 4:48AM Dec 05, 2023Observed: 2.79 ft at 4:54AM Dec 05, 2023Observed: 2.74 ft at 5:00AM Dec 05, 2023Observed: 2.73 ft at 5:06AM Dec 05, 2023Observed: 2.73 ft at 5:12AM Dec 05, 2023Observed: 2.68 ft at 5:18AM Dec 05, 2023Observed: 2.66 ft at 5:24AM Dec 05, 2023Observed: 2.59 ft at 5:30AM Dec 05, 2023Observed: 2.58 ft at 5:36AM Dec 05, 2023Observed: 2.57 ft at 5:42AM Dec 05, 2023Observed: 2.47 ft at 5:48AM Dec 05, 2023Observed: 2.42 ft at 5:54AM Dec 05, 2023Observed: 2.4 ft at 6:00AM Dec 05, 2023Observed: 2.35 ft at 6:06AM Dec 05, 2023Observed: 2.33 ft at 6:12AM Dec 05, 2023Observed: 2.22 ft at 6:18AM Dec 05, 2023Observed: 2.18 ft at 6:24AM Dec 05, 2023Observed: 2.14 ft at 6:30AM Dec 05, 2023Observed: 2.1 ft at 6:36AM Dec 05, 2023Observed: 2.08 ft at 6:42AM Dec 05, 2023Observed: 2.04 ft at 6:48AM Dec 05, 2023Observed: 2.05 ft at 6:54AM Dec 05, 2023Observed: 1.99 ft at 7:00AM Dec 05, 2023Observed: 1.98 ft at 7:06AM Dec 05, 2023Observed: 2.01 ft at 7:12AM Dec 05, 2023Observed: 1.98 ft at 7:18AM Dec 05, 2023Observed: 1.98 ft at 7:24AM Dec 05, 2023Observed: 1.96 ft at 7:30AM Dec 05, 2023Observed: 2.01 ft at 7:36AM Dec 05, 2023Observed: 2.02 ft at 7:42AM Dec 05, 2023Observed: 2.02 ft at 7:48AM Dec 05, 2023Observed: 2.05 ft at 7:54AM Dec 05, 2023Observed: 2.05 ft at 8:00AM Dec 05, 2023Observed: 2.1 ft at 8:06AM Dec 05, 2023Observed: 2.14 ft at 8:12AM Dec 05, 2023Observed: 2.14 ft at 8:18AM Dec 05, 2023Observed: 2.21 ft at 8:24AM Dec 05, 2023Observed: 2.26 ft at 8:30AM Dec 05, 2023Observed: 2.3 ft at 8:36AM Dec 05, 2023Observed: 2.34 ft at 8:42AM Dec 05, 2023Observed: 2.35 ft at 8:48AM Dec 05, 2023Observed: 2.45 ft at 8:54AM Dec 05, 2023Observed: 2.55 ft at 9:00AM Dec 05, 2023Observed: 2.6 ft at 9:06AM Dec 05, 2023Observed: 2.62 ft at 9:12AM Dec 05, 2023Observed: 2.75 ft at 9:18AM Dec 05, 2023Observed: 2.82 ft at 9:24AM Dec 05, 2023Observed: 2.89 ft at 9:30AM Dec 05, 2023Observed: 2.96 ft at 9:36AM Dec 05, 2023Observed: 3.06 ft at 9:42AM Dec 05, 2023Observed: 3.15 ft at 9:48AM Dec 05, 2023Observed: 3.19 ft at 9:54AM Dec 05, 2023Observed: 3.31 ft at 10:00AM Dec 05, 2023Observed: 3.4 ft at 10:06AM Dec 05, 2023Observed: 3.47 ft at 10:12AM Dec 05, 2023Observed: 3.55 ft at 10:18AM Dec 05, 2023Observed: 3.64 ft at 10:24AM Dec 05, 2023Observed: 3.71 ft at 10:30AM Dec 05, 2023Observed: 3.8 ft at 10:36AM Dec 05, 2023Observed: 3.89 ft at 10:42AM Dec 05, 2023Observed: 3.96 ft at 10:48AM Dec 05, 2023Observed: 4.02 ft at 10:54AM Dec 05, 2023Observed: 4.11 ft at 11:00AM Dec 05, 2023Observed: 4.13 ft at 11:06AM Dec 05, 2023Observed: 4.21 ft at 11:12AM Dec 05, 2023Observed: 4.3 ft at 11:18AM Dec 05, 2023Observed: 4.33 ft at 11:24AM Dec 05, 2023Observed: 4.4 ft at 11:30AM Dec 05, 2023Observed: 4.46 ft at 11:36AM Dec 05, 2023Observed: 4.48 ft at 11:42AM Dec 05, 2023Observed: 4.51 ft at 11:48AM Dec 05, 2023Observed: 4.54 ft at 11:54AM Dec 05, 2023Observed: 4.6 ft at 12:00PM Dec 05, 2023Observed: 4.65 ft at 12:06PM Dec 05, 2023Observed: 4.7 ft at 12:12PM Dec 05, 2023Observed: 4.76 ft at 12:18PM Dec 05, 2023Observed: 4.82 ft at 12:24PM Dec 05, 2023Observed: 4.85 ft at 12:30PM Dec 05, 2023Observed: 4.86 ft at 12:36PM Dec 05, 2023Observed: 4.87 ft at 12:42PM Dec 05, 2023Observed: 4.91 ft at 12:48PM Dec 05, 2023Observed: 4.91 ft at 12:54PM Dec 05, 2023Observed: 4.93 ft at 1:00PM Dec 05, 2023Observed: 4.95 ft at 1:06PM Dec 05, 2023Observed: 4.95 ft at 1:12PM Dec 05, 2023Observed: 4.94 ft at 1:18PM Dec 05, 2023Observed: 4.92 ft at 1:24PM Dec 05, 2023Observed: 4.88 ft at 1:30PM Dec 05, 2023Observed: 4.85 ft at 1:36PM Dec 05, 2023Observed: 4.86 ft at 1:42PM Dec 05, 2023Observed: 4.81 ft at 1:48PM Dec 05, 2023Observed: 4.79 ft at 1:54PM Dec 05, 2023Observed: 4.73 ft at 2:00PM Dec 05, 2023Observed: 4.71 ft at 2:06PM Dec 05, 2023Observed: 4.69 ft at 2:12PM Dec 05, 2023Observed: 4.61 ft at 2:18PM Dec 05, 2023Observed: 4.55 ft at 2:24PM Dec 05, 2023Observed: 4.55 ft at 2:30PM Dec 05, 2023Observed: 4.45 ft at 2:36PM Dec 05, 2023Observed: 4.41 ft at 2:42PM Dec 05, 2023Observed: 4.36 ft at 2:48PM Dec 05, 2023Observed: 4.22 ft at 2:54PM Dec 05, 2023Observed: 4.25 ft at 3:00PM Dec 05, 2023Observed: 4.18 ft at 3:06PM Dec 05, 2023Observed: 4.03 ft at 3:12PM Dec 05, 2023Observed: 3.96 ft at 3:18PM Dec 05, 2023Observed: 3.95 ft at 3:24PM Dec 05, 2023Observed: 3.86 ft at 3:30PM Dec 05, 2023Observed: 3.77 ft at 3:36PM Dec 05, 2023Observed: 3.68 ft at 3:42PM Dec 05, 2023Observed: 3.61 ft at 3:48PM Dec 05, 2023Observed: 3.51 ft at 3:54PM Dec 05, 2023Observed: 3.47 ft at 4:00PM Dec 05, 2023Observed: 3.39 ft at 4:06PM Dec 05, 2023Observed: 3.27 ft at 4:12PM Dec 05, 2023Observed: 3.22 ft at 4:18PM Dec 05, 2023Observed: 3.16 ft at 4:24PM Dec 05, 2023Observed: 3.04 ft at 4:30PM Dec 05, 2023Observed: 3.03 ft at 4:36PM Dec 05, 2023Observed: 3 ft at 4:42PM Dec 05, 2023Observed: 2.89 ft at 4:48PM Dec 05, 2023Observed: 2.88 ft at 4:54PM Dec 05, 2023Observed: 2.82 ft at 5:00PM Dec 05, 2023Observed: 2.8 ft at 5:06PM Dec 05, 2023Observed: 2.7 ft at 5:12PM Dec 05, 2023Observed: 2.71 ft at 5:18PM Dec 05, 2023Observed: 2.66 ft at 5:24PM Dec 05, 2023Observed: 2.62 ft at 5:30PM Dec 05, 2023Observed: 2.62 ft at 5:36PM Dec 05, 2023Observed: 2.63 ft at 5:42PM Dec 05, 2023Observed: 2.56 ft at 5:48PM Dec 05, 2023Observed: 2.53 ft at 5:54PM Dec 05, 2023Observed: 2.46 ft at 6:00PM Dec 05, 2023Observed: 2.45 ft at 6:06PM Dec 05, 2023Observed: 2.37 ft at 6:12PM Dec 05, 2023Observed: 2.37 ft at 6:18PM Dec 05, 2023Observed: 2.36 ft at 6:24PM Dec 05, 2023Observed: 2.31 ft at 6:30PM Dec 05, 2023Observed: 2.27 ft at 6:36PM Dec 05, 2023Observed: 2.25 ft at 6:42PM Dec 05, 2023Observed: 2.19 ft at 6:48PM Dec 05, 2023Observed: 2.14 ft at 6:54PM Dec 05, 2023Observed: 2.1 ft at 7:00PM Dec 05, 2023Observed: 2.01 ft at 7:06PM Dec 05, 2023Observed: 1.99 ft at 7:12PM Dec 05, 2023Observed: 1.99 ft at 7:18PM Dec 05, 2023Observed: 1.93 ft at 7:24PM Dec 05, 2023Observed: 1.88 ft at 7:30PM Dec 05, 2023Observed: 1.83 ft at 7:36PM Dec 05, 2023Observed: 1.83 ft at 7:42PM Dec 05, 2023Observed: 1.69 ft at 7:48PM Dec 05, 2023Observed: 1.71 ft at 7:54PM Dec 05, 2023Observed: 1.71 ft at 8:00PM Dec 05, 2023Observed: 1.65 ft at 8:06PM Dec 05, 2023Observed: 1.63 ft at 8:12PM Dec 05, 2023Observed: 1.62 ft at 8:18PM Dec 05, 2023Observed: 1.59 ft at 8:24PM Dec 05, 2023Observed: 1.56 ft at 8:30PM Dec 05, 2023Observed: 1.6 ft at 8:36PM Dec 05, 2023Observed: 1.58 ft at 8:42PM Dec 05, 2023Observed: 1.57 ft at 8:48PM Dec 05, 2023Observed: 1.61 ft at 8:54PM Dec 05, 2023Observed: 1.59 ft at 9:00PM Dec 05, 2023Observed: 1.67 ft at 9:06PM Dec 05, 2023Observed: 1.73 ft at 9:12PM Dec 05, 2023Observed: 1.77 ft at 9:18PM Dec 05, 2023Observed: 1.8 ft at 9:24PM Dec 05, 2023Observed: 1.88 ft at 9:30PM Dec 05, 2023Observed: 1.96 ft at 9:36PM Dec 05, 2023Observed: 2.03 ft at 9:42PM Dec 05, 2023Observed: 2.06 ft at 9:48PM Dec 05, 2023Observed: 2.14 ft at 9:54PM Dec 05, 2023Observed: 2.19 ft at 10:00PM Dec 05, 2023Observed: 2.25 ft at 10:06PM Dec 05, 2023Observed: 2.33 ft at 10:12PM Dec 05, 2023Observed: 2.43 ft at 10:18PM Dec 05, 2023Observed: 2.48 ft at 10:24PM Dec 05, 2023Observed: 2.56 ft at 10:30PM Dec 05, 2023Observed: 2.65 ft at 10:36PM Dec 05, 2023Observed: 2.73 ft at 10:42PM Dec 05, 2023Observed: 2.81 ft at 10:48PM Dec 05, 2023Observed: 2.91 ft at 10:54PM Dec 05, 2023Observed: 3 ft at 11:00PM Dec 05, 2023Observed: 3.12 ft at 11:06PM Dec 05, 2023Observed: 3.25 ft at 11:12PM Dec 05, 2023Observed: 3.35 ft at 11:18PM Dec 05, 2023Observed: 3.47 ft at 11:24PM Dec 05, 2023Observed: 3.59 ft at 11:30PM Dec 05, 2023Observed: 3.7 ft at 11:36PM Dec 05, 2023Observed: 3.81 ft at 11:42PM Dec 05, 2023Observed: 3.92 ft at 11:48PM Dec 05, 2023Observed: 4.03 ft at 11:54PM Dec 05, 2023Observed: 4.12 ft at 12:00AM Dec 06, 2023Observed: 4.24 ft at 12:06AM Dec 06, 2023Observed: 4.34 ft at 12:12AM Dec 06, 2023Observed: 4.4 ft at 12:18AM Dec 06, 2023Observed: 4.48 ft at 12:24AM Dec 06, 2023Observed: 4.56 ft at 12:30AM Dec 06, 2023Observed: 4.62 ft at 12:36AM Dec 06, 2023Observed: 4.71 ft at 12:42AM Dec 06, 2023Observed: 4.79 ft at 12:48AM Dec 06, 2023Observed: 4.86 ft at 12:54AM Dec 06, 2023Observed: 4.92 ft at 1:00AM Dec 06, 2023Observed: 4.98 ft at 1:06AM Dec 06, 2023Observed: 5.05 ft at 1:12AM Dec 06, 2023Observed: 5.1 ft at 1:18AM Dec 06, 2023Observed: 5.16 ft at 1:24AM Dec 06, 2023Observed: 5.23 ft at 1:30AM Dec 06, 2023Observed: 5.27 ft at 1:36AM Dec 06, 2023Observed: 5.32 ft at 1:42AM Dec 06, 2023Observed: 5.36 ft at 1:48AM Dec 06, 2023Observed: 5.39 ft at 1:54AM Dec 06, 2023Observed: 5.39 ft at 2:00AM Dec 06, 2023Observed: 5.43 ft at 2:06AM Dec 06, 2023Observed: 5.45 ft at 2:12AM Dec 06, 2023Observed: 5.44 ft at 2:18AM Dec 06, 2023Observed: 5.45 ft at 2:24AM Dec 06, 2023Highest Observation: 5.46 ft at 2:30AM Dec 06, 2023Observed: 5.43 ft at 2:36AM Dec 06, 2023Observed: 5.41 ft at 2:42AM Dec 06, 2023Observed: 5.41 ft at 2:48AM Dec 06, 2023Observed: 5.33 ft at 2:54AM Dec 06, 2023Observed: 5.34 ft at 3:00AM Dec 06, 2023Observed: 5.33 ft at 3:06AM Dec 06, 2023Observed: 5.27 ft at 3:12AM Dec 06, 2023Observed: 5.18 ft at 3:18AM Dec 06, 2023Observed: 5.15 ft at 3:24AM Dec 06, 2023Observed: 5.06 ft at 3:30AM Dec 06, 2023Observed: 4.97 ft at 3:36AM Dec 06, 2023Observed: 4.88 ft at 3:42AM Dec 06, 2023Observed: 4.81 ft at 3:48AM Dec 06, 2023Observed: 4.75 ft at 3:54AM Dec 06, 2023Observed: 4.67 ft at 4:00AM Dec 06, 2023Observed: 4.59 ft at 4:06AM Dec 06, 2023Observed: 4.52 ft at 4:12AM Dec 06, 2023Observed: 4.39 ft at 4:18AM Dec 06, 2023Observed: 4.37 ft at 4:24AM Dec 06, 2023Observed: 4.3 ft at 4:30AM Dec 06, 2023Observed: 4.17 ft at 4:36AM Dec 06, 2023Observed: 4.06 ft at 4:42AM Dec 06, 2023Observed: 4.12 ft at 4:48AM Dec 06, 2023Observed: 3.92 ft at 4:54AM Dec 06, 2023Observed: 3.92 ft at 5:00AM Dec 06, 2023Observed: 3.84 ft at 5:06AM Dec 06, 2023Observed: 3.74 ft at 5:12AM Dec 06, 2023Observed: 3.71 ft at 5:18AM Dec 06, 2023Observed: 3.61 ft at 5:24AM Dec 06, 2023Observed: 3.6 ft at 5:30AM Dec 06, 2023Observed: 3.52 ft at 5:36AM Dec 06, 2023Observed: 3.46 ft at 5:42AM Dec 06, 2023Observed: 3.42 ft at 5:48AM Dec 06, 2023Observed: 3.34 ft at 5:54AM Dec 06, 2023Observed: 3.32 ft at 6:00AM Dec 06, 2023Observed: 3.24 ft at 6:06AM Dec 06, 2023Observed: 3.25 ft at 6:12AM Dec 06, 2023Observed: 3.1 ft at 6:18AM Dec 06, 2023Observed: 3.14 ft at 6:24AM Dec 06, 2023Observed: 3.11 ft at 6:30AM Dec 06, 2023Observed: 3.03 ft at 6:36AM Dec 06, 2023Observed: 2.97 ft at 6:42AM Dec 06, 2023Observed: 2.91 ft at 6:48AM Dec 06, 2023Observed: 2.83 ft at 6:54AM Dec 06, 2023Observed: 2.78 ft at 7:00AM Dec 06, 2023Observed: 2.73 ft at 7:06AM Dec 06, 2023Observed: 2.66 ft at 7:12AM Dec 06, 2023Observed: 2.62 ft at 7:18AM Dec 06, 2023Observed: 2.55 ft at 7:24AM Dec 06, 2023Observed: 2.52 ft at 7:30AM Dec 06, 2023Observed: 2.48 ft at 7:36AM Dec 06, 2023Observed: 2.53 ft at 7:42AM Dec 06, 2023Observed: 2.48 ft at 7:48AM Dec 06, 2023Observed: 2.44 ft at 7:54AM Dec 06, 2023Observed: 2.46 ft at 8:00AM Dec 06, 2023Observed: 2.43 ft at 8:06AM Dec 06, 2023Observed: 2.4 ft at 8:12AM Dec 06, 2023Observed: 2.4 ft at 8:18AM Dec 06, 2023Observed: 2.43 ft at 8:24AM Dec 06, 2023Observed: 2.44 ft at 8:30AM Dec 06, 2023Observed: 2.43 ft at 8:36AM Dec 06, 2023Observed: 2.46 ft at 8:42AM Dec 06, 2023Observed: 2.47 ft at 8:48AM Dec 06, 2023Observed: 2.49 ft at 8:54AM Dec 06, 2023Observed: 2.5 ft at 9:00AM Dec 06, 2023Observed: 2.54 ft at 9:06AM Dec 06, 2023Observed: 2.57 ft at 9:12AM Dec 06, 2023Observed: 2.6 ft at 9:18AM Dec 06, 2023Observed: 2.66 ft at 9:24AM Dec 06, 2023Observed: 2.68 ft at 9:30AM Dec 06, 2023Observed: 2.72 ft at 9:36AM Dec 06, 2023Observed: 2.76 ft at 9:42AM Dec 06, 2023Observed: 2.81 ft at 9:48AM Dec 06, 2023Observed: 2.85 ft at 9:54AM Dec 06, 2023Observed: 2.91 ft at 10:00AM Dec 06, 2023Observed: 2.96 ft at 10:06AM Dec 06, 2023Observed: 3 ft at 10:12AM Dec 06, 2023Observed: 3.05 ft at 10:18AM Dec 06, 2023Observed: 3.08 ft at 10:24AM Dec 06, 2023Observed: 3.13 ft at 10:30AM Dec 06, 2023Observed: 3.2 ft at 10:36AM Dec 06, 2023Observed: 3.28 ft at 10:42AM Dec 06, 2023Observed: 3.36 ft at 10:48AM Dec 06, 2023Observed: 3.41 ft at 10:54AM Dec 06, 2023Observed: 3.47 ft at 11:00AM Dec 06, 2023Observed: 3.54 ft at 11:06AM Dec 06, 2023Observed: 3.62 ft at 11:12AM Dec 06, 2023Observed: 3.67 ft at 11:18AM Dec 06, 2023Observed: 3.75 ft at 11:24AM Dec 06, 2023Observed: 3.8 ft at 11:30AM Dec 06, 2023Observed: 3.87 ft at 11:36AM Dec 06, 2023Observed: 3.93 ft at 11:42AM Dec 06, 2023Observed: 4 ft at 11:48AM Dec 06, 2023Observed: 4.02 ft at 11:54AM Dec 06, 2023Observed: 4.07 ft at 12:00PM Dec 06, 2023Observed: 4.11 ft at 12:06PM Dec 06, 2023Observed: 4.14 ft at 12:12PM Dec 06, 2023Observed: 4.18 ft at 12:18PM Dec 06, 2023Observed: 4.22 ft at 12:24PM Dec 06, 2023Observed: 4.26 ft at 12:30PM Dec 06, 2023Observed: 4.32 ft at 12:36PM Dec 06, 2023Observed: 4.38 ft at 12:42PM Dec 06, 2023Observed: 4.37 ft at 12:48PM Dec 06, 2023Observed: 4.41 ft at 12:54PM Dec 06, 2023Observed: 4.49 ft at 1:00PM Dec 06, 2023Observed: 4.51 ft at 1:06PM Dec 06, 2023Observed: 4.51 ft at 1:12PM Dec 06, 2023Observed: 4.54 ft at 1:18PM Dec 06, 2023Observed: 4.55 ft at 1:24PM Dec 06, 2023Observed: 4.63 ft at 1:30PM Dec 06, 2023Observed: 4.66 ft at 1:36PM Dec 06, 2023Observed: 4.66 ft at 1:42PM Dec 06, 2023Observed: 4.69 ft at 1:48PM Dec 06, 2023Observed: 4.7 ft at 1:54PM Dec 06, 2023Observed: 4.74 ft at 2:00PM Dec 06, 2023Observed: 4.75 ft at 2:06PM Dec 06, 2023Observed: 4.79 ft at 2:12PM Dec 06, 2023Observed: 4.78 ft at 2:18PM Dec 06, 2023Observed: 4.85 ft at 2:24PM Dec 06, 2023Observed: 4.87 ft at 2:30PM Dec 06, 2023Observed: 4.9 ft at 2:36PM Dec 06, 2023Observed: 4.9 ft at 2:42PM Dec 06, 2023Observed: 4.85 ft at 2:48PM Dec 06, 2023Observed: 4.81 ft at 2:54PM Dec 06, 2023Observed: 4.77 ft at 3:00PM Dec 06, 2023Observed: 4.73 ft at 3:06PM Dec 06, 2023Observed: 4.73 ft at 3:12PM Dec 06, 2023Observed: 4.75 ft at 3:18PM Dec 06, 2023Observed: 4.69 ft at 3:24PM Dec 06, 2023Observed: 4.6 ft at 3:30PM Dec 06, 2023Observed: 4.55 ft at 3:36PM Dec 06, 2023Observed: 4.44 ft at 3:42PM Dec 06, 2023Observed: 4.37 ft at 3:48PM Dec 06, 2023Observed: 4.35 ft at 3:54PM Dec 06, 2023Observed: 4.32 ft at 4:00PM Dec 06, 2023Observed: 4.29 ft at 4:06PM Dec 06, 2023Observed: 4.19 ft at 4:12PM Dec 06, 2023Observed: 4.13 ft at 4:18PM Dec 06, 2023Observed: 4.05 ft at 4:24PM Dec 06, 2023Observed: 3.99 ft at 4:30PM Dec 06, 2023Observed: 3.92 ft at 4:36PM Dec 06, 2023Observed: 3.85 ft at 4:42PM Dec 06, 2023Observed: 3.82 ft at 4:48PM Dec 06, 2023Observed: 3.71 ft at 4:54PM Dec 06, 2023Observed: 3.7 ft at 5:00PM Dec 06, 2023Observed: 3.62 ft at 5:06PM Dec 06, 2023Observed: 3.55 ft at 5:12PM Dec 06, 2023Observed: 3.47 ft at 5:18PM Dec 06, 2023Observed: 3.35 ft at 5:24PM Dec 06, 2023Observed: 3.31 ft at 5:30PM Dec 06, 2023Observed: 3.24 ft at 5:36PM Dec 06, 2023Observed: 3.19 ft at 5:42PM Dec 06, 2023Observed: 3.16 ft at 5:48PM Dec 06, 2023Observed: 2.99 ft at 5:54PM Dec 06, 2023Observed: 2.94 ft at 6:00PM Dec 06, 2023Observed: 2.94 ft at 6:06PM Dec 06, 2023Observed: 2.9 ft at 6:12PM Dec 06, 2023Observed: 2.71 ft at 6:18PM Dec 06, 2023Observed: 2.7 ft at 6:24PM Dec 06, 2023Observed: 2.63 ft at 6:30PM Dec 06, 2023Observed: 2.61 ft at 6:36PM Dec 06, 2023Observed: 2.54 ft at 6:42PM Dec 06, 2023Observed: 2.43 ft at 6:48PM Dec 06, 2023Observed: 2.37 ft at 6:54PM Dec 06, 2023Observed: 2.28 ft at 7:00PM Dec 06, 2023Observed: 2.25 ft at 7:06PM Dec 06, 2023Observed: 2.13 ft at 7:12PM Dec 06, 2023Observed: 2.09 ft at 7:18PM Dec 06, 2023Observed: 2.01 ft at 7:24PM Dec 06, 2023Observed: 1.91 ft at 7:30PM Dec 06, 2023Observed: 1.88 ft at 7:36PM Dec 06, 2023Observed: 1.8 ft at 7:42PM Dec 06, 2023Observed: 1.73 ft at 7:48PM Dec 06, 2023Observed: 1.62 ft at 7:54PM Dec 06, 2023Observed: 1.51 ft at 8:00PM Dec 06, 2023Observed: 1.5 ft at 8:06PM Dec 06, 2023Observed: 1.43 ft at 8:12PM Dec 06, 2023Observed: 1.41 ft at 8:18PM Dec 06, 2023Observed: 1.31 ft at 8:24PM Dec 06, 2023Observed: 1.3 ft at 8:30PM Dec 06, 2023Observed: 1.17 ft at 8:36PM Dec 06, 2023Observed: 1.23 ft at 8:42PM Dec 06, 2023Observed: 1.21 ft at 8:48PM Dec 06, 2023Observed: 1.16 ft at 8:54PM Dec 06, 2023Observed: 1.15 ft at 9:00PM Dec 06, 2023Observed: 1.08 ft at 9:06PM Dec 06, 2023Observed: 1.17 ft at 9:12PM Dec 06, 2023Observed: 1.17 ft at 9:18PM Dec 06, 2023Observed: 1.15 ft at 9:24PM Dec 06, 2023Observed: 1.21 ft at 9:30PM Dec 06, 2023Observed: 1.21 ft at 9:36PM Dec 06, 2023Observed: 1.26 ft at 9:42PM Dec 06, 2023Observed: 1.34 ft at 9:48PM Dec 06, 2023Observed: 1.44 ft at 9:54PM Dec 06, 2023Observed: 1.48 ft at 10:00PM Dec 06, 2023Observed: 1.51 ft at 10:06PM Dec 06, 2023Observed: 1.62 ft at 10:12PM Dec 06, 2023Observed: 1.71 ft at 10:18PM Dec 06, 2023Observed: 1.78 ft at 10:24PM Dec 06, 2023Observed: 1.88 ft at 10:30PM Dec 06, 2023Observed: 2 ft at 10:36PM Dec 06, 2023Observed: 2.14 ft at 10:42PM Dec 06, 2023Observed: 2.28 ft at 10:48PM Dec 06, 2023Observed: 2.38 ft at 10:54PM Dec 06, 2023Observed: 2.5 ft at 11:00PM Dec 06, 2023Observed: 2.59 ft at 11:06PM Dec 06, 2023Observed: 2.71 ft at 11:12PM Dec 06, 2023Observed: 2.83 ft at 11:18PM Dec 06, 2023Observed: 2.94 ft at 11:24PM Dec 06, 2023Observed: 3.06 ft at 11:30PM Dec 06, 2023Observed: 3.17 ft at 11:36PM Dec 06, 2023Observed: 3.28 ft at 11:42PM Dec 06, 2023Observed: 3.43 ft at 11:48PM Dec 06, 2023Observed: 3.57 ft at 11:54PM Dec 06, 2023Observed: 3.66 ft at 12:00AM Dec 07, 2023Observed: 3.76 ft at 12:06AM Dec 07, 2023Observed: 3.86 ft at 12:12AM Dec 07, 2023Observed: 3.98 ft at 12:18AM Dec 07, 2023Observed: 4.07 ft at 12:24AM Dec 07, 2023Observed: 4.16 ft at 12:30AM Dec 07, 2023Observed: 4.25 ft at 12:36AM Dec 07, 2023Observed: 4.34 ft at 12:42AM Dec 07, 2023Observed: 4.42 ft at 12:48AM Dec 07, 2023Observed: 4.47 ft at 12:54AM Dec 07, 2023Observed: 4.51 ft at 1:00AM Dec 07, 2023Observed: 4.57 ft at 1:06AM Dec 07, 2023Observed: 4.64 ft at 1:12AM Dec 07, 2023Observed: 4.68 ft at 1:18AM Dec 07, 2023Observed: 4.71 ft at 1:24AM Dec 07, 2023Observed: 4.74 ft at 1:30AM Dec 07, 2023Observed: 4.78 ft at 1:36AM Dec 07, 2023Observed: 4.81 ft at 1:42AM Dec 07, 2023Observed: 4.83 ft at 1:48AM Dec 07, 2023Observed: 4.85 ft at 1:54AM Dec 07, 2023Observed: 4.87 ft at 2:00AM Dec 07, 2023Observed: 4.89 ft at 2:06AM Dec 07, 2023Observed: 4.91 ft at 2:12AM Dec 07, 2023Observed: 4.93 ft at 2:18AM Dec 07, 2023Observed: 4.93 ft at 2:24AM Dec 07, 2023Observed: 4.95 ft at 2:30AM Dec 07, 2023Observed: 4.96 ft at 2:36AM Dec 07, 2023Observed: 4.96 ft at 2:42AM Dec 07, 2023Observed: 4.99 ft at 2:48AM Dec 07, 2023Observed: 4.99 ft at 2:54AM Dec 07, 2023Observed: 4.97 ft at 3:00AM Dec 07, 2023Observed: 5.02 ft at 3:06AM Dec 07, 2023Observed: 5 ft at 3:12AM Dec 07, 2023Observed: 5.01 ft at 3:18AM Dec 07, 2023Observed: 5.01 ft at 3:24AM Dec 07, 2023Observed: 5.01 ft at 3:30AM Dec 07, 2023Observed: 4.99 ft at 3:36AM Dec 07, 2023Observed: 4.97 ft at 3:42AM Dec 07, 2023Observed: 4.97 ft at 3:48AM Dec 07, 2023Observed: 4.95 ft at 3:54AM Dec 07, 2023Observed: 4.92 ft at 4:00AM Dec 07, 2023Observed: 4.84 ft at 4:06AM Dec 07, 2023Observed: 4.81 ft at 4:12AM Dec 07, 2023Observed: 4.77 ft at 4:18AM Dec 07, 2023Observed: 4.7 ft at 4:24AM Dec 07, 2023Observed: 4.73 ft at 4:30AM Dec 07, 2023Observed: 4.65 ft at 4:36AM Dec 07, 2023Observed: 4.59 ft at 4:42AM Dec 07, 2023Observed: 4.55 ft at 4:48AM Dec 07, 2023Observed: 4.51 ft at 4:54AM Dec 07, 2023Observed: 4.41 ft at 5:00AM Dec 07, 2023Observed: 4.36 ft at 5:06AM Dec 07, 2023Observed: 4.32 ft at 5:12AM Dec 07, 2023Observed: 4.25 ft at 5:18AM Dec 07, 2023Observed: 4.18 ft at 5:24AM Dec 07, 2023Observed: 4.1 ft at 5:30AM Dec 07, 2023USGS--Water Resources of the United StatesKSBN4(plotting HMIRG) Graph Created (6:33AM Dec 7, 2023)ObservedLatest observed value: 4.1 ft at 5:30 AM EST 7-Dec-2023. Flood Stage is 7 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Please refer to our Coastal Hazard Message for specific information regarding Coastal Flood Watches, Warnings and Advisories.  During tropical cyclones, please refer here for additional storm surge information.

NOTE: Flood impacts are based on long-term averages. Actual impacts from any tidal flooding event may vary due to factors such as rainfall, wave action, and the number of tide cycles during which there is an onshore flow.

NOTE: Forecasts are not available for the Raritan Bay at Keansburg (IN MLLW). Only observed stages are available for this point.

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

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Flood Categories (in feet)
Major Flood Stage: 9
Moderate Flood Stage: 8
Flood Stage: 7
Action Stage: 0
Low Stage (in feet): -2

Historic Crests
(1) 16.73 ft on 10/29/2012
(2) 10.83 ft on 11/25/1950
(3) 10.09 ft on 08/28/2011
(4) 9.94 ft on 03/13/2010
(5) 9.19 ft on 10/27/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.99 ft on 12/23/2022
(2) 8.24 ft on 05/28/2021
(3) 8.24 ft on 02/01/2021
(4) 8.19 ft on 12/17/2020
(5) 8.11 ft on 01/20/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

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
16.73 (Mean Lower Low Water (MLLW)) The level reached on October 29, 2012 during Post Tropical Cyclone Sandy.
10.83 (MLLW) The level reached on November 25, 1950.
10.09 (MLLW) The level reached on August 28, 2011 during Hurricane Irene.
9.94 (MLLW) The level reached on March 13, 2010.
9.19 (MLLW) The level reached on October 27, 2018.
9 (MLLW) MAJOR FLOODING. At this level, flooding starts to become severe enough to begin causing structural damage along with widespread flooding of roadways in Aberdeen, Keyport, Union Beach, Keansburg and Middletown Township. Vulnerable homes and businesses may be severely damaged or destroyed as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The flood waters become a danger to anyone attempting to cross on foot or in a vehicle.
8 (MLLW) MODERATE FLOODING. At this level, widespread flooding of roadways begins due to high water and/or wave action with many roads becoming impassable in Aberdeen, Keyport, Union Beach, Keansburg and Middletown Township. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.
7.8 (MLLW) Flooding begins along sections of NJ Route 35 in Keyport and Hazlet as water backs up into tidal streams in the communities. Flooding begins along sections of NJ Route 36 in Keyport, Hazlet and Middletown Township as water backs up into tidal streams in the communities.
7.3 (MLLW) COASTAL FLOOD ADVISORY LEVEL.
7.2 (MLLW) Flooding begins in Aberdeen, Keyport (along West Front Street), Union Beach, Keansburg and Middletown Township.
7 (MLLW) MINOR FLOODING.
About This Location Collapse

Latitude: 40.449200° N, Longitude: 74.147500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7 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 -2.93 4.07 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 -2.51 1.56 NAVD88 to MHHW conversion from NOAA Vertical Datum Transformation (VDatum)

Current/Historical Observations:
Additional Information Collapse
All gage data has been converted to MLLW following the National Ocean Service protocol. Gage data displayed on the USGS website is in NAVD88. During winter months, cold and ice may result in inaccurate real-time stages. Adjustments or deletions of this data can only be done after detailed analysis.
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Hydrologic Resources Additional Resources
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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
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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