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Web Portal Changes: In Spring 2024, the Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS) at a repurposed https://water.noaa.gov. A preview of NWPS is available here, where you can see your station hydrograph by replacing SSSSS with the station 5-character id: https://preview.water.noaa.gov/gauges/SSSSS.

Flood Inundation Mapping: Experimental real-time flood Inundation mapping services for 10% of the United States are now available via the NWS Map Viewer. Additional products and geospatial services depicting River Forecast Center and National Water Model forecasts continue to be accessible as described in the StoryMap here.

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Tide Station (Humboldt Co.) at NORTH SPIT Tide Height (ft)Observed: 7.63 ft at 4:06AM Mar 16, 2024Observed: 7.6 ft at 4:12AM Mar 16, 2024Observed: 7.62 ft at 4:18AM Mar 16, 2024Highest Observation: 7.69 ft at 4:24AM Mar 16, 2024Observed: 7.63 ft at 4:30AM Mar 16, 2024Observed: 7.66 ft at 4:36AM Mar 16, 2024Observed: 7.64 ft at 4:42AM Mar 16, 2024Observed: 7.58 ft at 4:48AM Mar 16, 2024Observed: 7.62 ft at 4:54AM Mar 16, 2024Observed: 7.55 ft at 5:00AM Mar 16, 2024Observed: 7.57 ft at 5:06AM Mar 16, 2024Observed: 7.44 ft at 5:12AM Mar 16, 2024Observed: 7.35 ft at 5:18AM Mar 16, 2024Observed: 7.38 ft at 5:24AM Mar 16, 2024Observed: 7.29 ft at 5:30AM Mar 16, 2024Observed: 7.34 ft at 5:36AM Mar 16, 2024Observed: 7.25 ft at 5:42AM Mar 16, 2024Observed: 7.19 ft at 5:48AM Mar 16, 2024Observed: 7.08 ft at 5:54AM Mar 16, 2024Observed: 6.88 ft at 6:00AM Mar 16, 2024Observed: 6.86 ft at 6:06AM Mar 16, 2024Observed: 6.79 ft at 6:12AM Mar 16, 2024Observed: 6.78 ft at 6:18AM Mar 16, 2024Observed: 6.62 ft at 6:24AM Mar 16, 2024Observed: 6.52 ft at 6:30AM Mar 16, 2024Observed: 6.38 ft at 6:36AM Mar 16, 2024Observed: 6.25 ft at 6:42AM Mar 16, 2024Observed: 6.11 ft at 6:48AM Mar 16, 2024Observed: 5.77 ft at 7:06AM Mar 16, 2024Observed: 5.63 ft at 7:12AM Mar 16, 2024Observed: 5.57 ft at 7:18AM Mar 16, 2024Observed: 5.43 ft at 7:24AM Mar 16, 2024Observed: 5.27 ft at 7:30AM Mar 16, 2024Observed: 5.15 ft at 7:36AM Mar 16, 2024Observed: 5.01 ft at 7:42AM Mar 16, 2024Observed: 4.9 ft at 7:48AM Mar 16, 2024Observed: 4.54 ft at 8:06AM Mar 16, 2024Observed: 4.27 ft at 8:12AM Mar 16, 2024Observed: 4.23 ft at 8:18AM Mar 16, 2024Observed: 4.12 ft at 8:24AM Mar 16, 2024Observed: 4.08 ft at 8:30AM Mar 16, 2024Observed: 3.94 ft at 8:36AM Mar 16, 2024Observed: 3.91 ft at 8:42AM Mar 16, 2024Observed: 3.66 ft at 8:48AM Mar 16, 2024Observed: 3.22 ft at 9:06AM Mar 16, 2024Observed: 3.05 ft at 9:12AM Mar 16, 2024Observed: 2.95 ft at 9:18AM Mar 16, 2024Observed: 2.57 ft at 9:36AM Mar 16, 2024Observed: 2.41 ft at 9:42AM Mar 16, 2024Observed: 2.29 ft at 9:48AM Mar 16, 2024Observed: 1.94 ft at 10:06AM Mar 16, 2024Observed: 1.79 ft at 10:12AM Mar 16, 2024Observed: 1.7 ft at 10:18AM Mar 16, 2024Observed: 1.61 ft at 10:24AM Mar 16, 2024Observed: 1.56 ft at 10:30AM Mar 16, 2024Observed: 1.48 ft at 10:36AM Mar 16, 2024Observed: 1.35 ft at 10:42AM Mar 16, 2024Observed: 1.22 ft at 10:48AM Mar 16, 2024Observed: 1.06 ft at 11:06AM Mar 16, 2024Observed: 1.03 ft at 11:12AM Mar 16, 2024Observed: 0.89 ft at 11:18AM Mar 16, 2024Observed: 0.83 ft at 11:36AM Mar 16, 2024Observed: 0.81 ft at 11:42AM Mar 16, 2024Observed: 0.77 ft at 11:48AM Mar 16, 2024Observed: 0.81 ft at 11:54AM Mar 16, 2024Observed: 0.82 ft at 12:00PM Mar 16, 2024Observed: 0.8 ft at 12:06PM Mar 16, 2024Observed: 0.85 ft at 12:12PM Mar 16, 2024Observed: 0.8 ft at 12:18PM Mar 16, 2024Observed: 0.86 ft at 12:24PM Mar 16, 2024Observed: 0.84 ft at 12:30PM Mar 16, 2024Observed: 0.83 ft at 12:36PM Mar 16, 2024Observed: 0.89 ft at 12:42PM Mar 16, 2024Observed: 0.94 ft at 12:48PM Mar 16, 2024Observed: 1.16 ft at 1:06PM Mar 16, 2024Observed: 1.21 ft at 1:12PM Mar 16, 2024Observed: 1.26 ft at 1:18PM Mar 16, 2024Observed: 1.48 ft at 1:36PM Mar 16, 2024Observed: 1.56 ft at 1:42PM Mar 16, 2024Observed: 1.68 ft at 1:48PM Mar 16, 2024Observed: 1.78 ft at 1:54PM Mar 16, 2024Observed: 1.8 ft at 2:00PM Mar 16, 2024Observed: 1.95 ft at 2:06PM Mar 16, 2024Observed: 1.97 ft at 2:12PM Mar 16, 2024Observed: 2.1 ft at 2:18PM Mar 16, 2024Observed: 2.13 ft at 2:24PM Mar 16, 2024Observed: 2.28 ft at 2:30PM Mar 16, 2024Observed: 2.31 ft at 2:36PM Mar 16, 2024Observed: 2.46 ft at 2:42PM Mar 16, 2024Observed: 2.51 ft at 2:48PM Mar 16, 2024Observed: 2.76 ft at 3:06PM Mar 16, 2024Observed: 2.83 ft at 3:12PM Mar 16, 2024Observed: 2.95 ft at 3:18PM Mar 16, 2024Observed: 3.21 ft at 3:36PM Mar 16, 2024Observed: 3.33 ft at 3:42PM Mar 16, 2024Observed: 3.41 ft at 3:48PM Mar 16, 2024Observed: 3.43 ft at 3:54PM Mar 16, 2024Observed: 3.53 ft at 4:00PM Mar 16, 2024Observed: 3.65 ft at 4:06PM Mar 16, 2024Observed: 3.72 ft at 4:12PM Mar 16, 2024Observed: 3.85 ft at 4:18PM Mar 16, 2024Observed: 4.14 ft at 4:36PM Mar 16, 2024Observed: 4.14 ft at 4:42PM Mar 16, 2024Observed: 4.23 ft at 4:48PM Mar 16, 2024Observed: 4.52 ft at 5:06PM Mar 16, 2024Observed: 4.56 ft at 5:12PM Mar 16, 2024Observed: 4.58 ft at 5:18PM Mar 16, 2024Observed: 4.64 ft at 5:24PM Mar 16, 2024Observed: 4.64 ft at 5:30PM Mar 16, 2024Observed: 4.7 ft at 5:36PM Mar 16, 2024Observed: 4.76 ft at 5:42PM Mar 16, 2024Observed: 4.82 ft at 5:48PM Mar 16, 2024Observed: 4.81 ft at 5:54PM Mar 16, 2024Observed: 4.89 ft at 6:00PM Mar 16, 2024Observed: 4.98 ft at 6:06PM Mar 16, 2024Observed: 5.02 ft at 6:12PM Mar 16, 2024Observed: 4.98 ft at 6:18PM Mar 16, 2024Observed: 5.05 ft at 6:36PM Mar 16, 2024Observed: 5.04 ft at 6:42PM Mar 16, 2024Observed: 5.1 ft at 6:48PM Mar 16, 2024Observed: 5.2 ft at 7:06PM Mar 16, 2024Observed: 5.16 ft at 7:12PM Mar 16, 2024Observed: 5.11 ft at 7:18PM Mar 16, 2024Observed: 5.08 ft at 7:36PM Mar 16, 2024Observed: 5.08 ft at 7:42PM Mar 16, 2024Observed: 5.09 ft at 7:48PM Mar 16, 2024Observed: 5.06 ft at 7:54PM Mar 16, 2024Observed: 5.06 ft at 8:00PM Mar 16, 2024Observed: 4.99 ft at 8:06PM Mar 16, 2024Observed: 4.99 ft at 8:12PM Mar 16, 2024Observed: 4.93 ft at 8:18PM Mar 16, 2024Observed: 4.87 ft at 8:24PM Mar 16, 2024Observed: 4.88 ft at 8:30PM Mar 16, 2024Observed: 4.78 ft at 8:36PM Mar 16, 2024Observed: 4.8 ft at 8:42PM Mar 16, 2024Observed: 4.75 ft at 8:48PM Mar 16, 2024Observed: 4.64 ft at 9:06PM Mar 16, 2024Observed: 4.56 ft at 9:12PM Mar 16, 2024Observed: 4.52 ft at 9:18PM Mar 16, 2024Observed: 4.4 ft at 9:36PM Mar 16, 2024Observed: 4.4 ft at 9:42PM Mar 16, 2024Observed: 4.35 ft at 9:48PM Mar 16, 2024Observed: 4.26 ft at 10:06PM Mar 16, 2024Observed: 4.15 ft at 10:12PM Mar 16, 2024Observed: 4.16 ft at 10:18PM Mar 16, 2024Observed: 4.11 ft at 10:36PM Mar 16, 2024Observed: 4.08 ft at 10:42PM Mar 16, 2024Observed: 4.13 ft at 10:48PM Mar 16, 2024Observed: 4.07 ft at 11:06PM Mar 16, 2024Observed: 3.94 ft at 11:12PM Mar 16, 2024Observed: 4.01 ft at 11:18PM Mar 16, 2024Observed: 4.04 ft at 11:36PM Mar 16, 2024Observed: 4.09 ft at 11:42PM Mar 16, 2024Observed: 4.13 ft at 11:48PM Mar 16, 2024Observed: 4.1 ft at 11:54PM Mar 16, 2024Observed: 4.11 ft at 12:00AM Mar 17, 2024Observed: 4.13 ft at 12:06AM Mar 17, 2024Observed: 4.13 ft at 12:12AM Mar 17, 2024Observed: 4.25 ft at 12:18AM Mar 17, 2024Observed: 4.24 ft at 12:24AM Mar 17, 2024Observed: 4.25 ft at 12:30AM Mar 17, 2024Observed: 4.29 ft at 12:36AM Mar 17, 2024Observed: 4.38 ft at 12:42AM Mar 17, 2024Observed: 4.4 ft at 12:48AM Mar 17, 2024Observed: 4.48 ft at 12:54AM Mar 17, 2024Observed: 4.52 ft at 1:00AM Mar 17, 2024Observed: 4.6 ft at 1:06AM Mar 17, 2024Observed: 4.56 ft at 1:12AM Mar 17, 2024Observed: 4.59 ft at 1:18AM Mar 17, 2024Observed: 4.69 ft at 1:24AM Mar 17, 2024Observed: 4.79 ft at 1:30AM Mar 17, 2024Observed: 4.84 ft at 1:36AM Mar 17, 2024Observed: 4.9 ft at 1:42AM Mar 17, 2024Observed: 4.98 ft at 1:48AM Mar 17, 2024Observed: 5.04 ft at 1:54AM Mar 17, 2024Observed: 5.15 ft at 2:00AM Mar 17, 2024Observed: 5.18 ft at 2:06AM Mar 17, 2024Observed: 5.24 ft at 2:12AM Mar 17, 2024Observed: 5.25 ft at 2:18AM Mar 17, 2024Observed: 5.37 ft at 2:24AM Mar 17, 2024Observed: 5.46 ft at 2:30AM Mar 17, 2024Observed: 5.54 ft at 2:36AM Mar 17, 2024Observed: 5.61 ft at 2:42AM Mar 17, 2024Observed: 5.67 ft at 2:48AM Mar 17, 2024Observed: 5.89 ft at 3:06AM Mar 17, 2024Observed: 5.94 ft at 3:12AM Mar 17, 2024Observed: 6.04 ft at 3:18AM Mar 17, 2024Observed: 6.04 ft at 3:24AM Mar 17, 2024Observed: 6.11 ft at 3:30AM Mar 17, 2024Observed: 6.23 ft at 3:36AM Mar 17, 2024Observed: 6.28 ft at 3:42AM Mar 17, 2024Observed: 6.36 ft at 3:48AM Mar 17, 2024Observed: 6.44 ft at 3:54AM Mar 17, 2024Observed: 6.47 ft at 4:00AM Mar 17, 2024Observed: 6.49 ft at 4:06AM Mar 17, 2024Observed: 6.56 ft at 4:12AM Mar 17, 2024Observed: 6.6 ft at 4:18AM Mar 17, 2024Observed: 6.71 ft at 4:24AM Mar 17, 2024Observed: 6.74 ft at 4:30AM Mar 17, 2024Observed: 6.77 ft at 4:36AM Mar 17, 2024Observed: 6.78 ft at 4:42AM Mar 17, 2024Observed: 6.79 ft at 4:48AM Mar 17, 2024Observed: 6.83 ft at 4:54AM Mar 17, 2024Observed: 6.83 ft at 5:00AM Mar 17, 2024Observed: 6.91 ft at 5:06AM Mar 17, 2024Observed: 6.93 ft at 5:12AM Mar 17, 2024Observed: 7 ft at 5:18AM Mar 17, 2024Observed: 6.99 ft at 5:24AM Mar 17, 2024Observed: 6.93 ft at 5:30AM Mar 17, 2024Observed: 6.93 ft at 5:36AM Mar 17, 2024Observed: 6.89 ft at 5:42AM Mar 17, 2024Observed: 6.92 ft at 5:48AM Mar 17, 2024Observed: 6.92 ft at 5:54AM Mar 17, 2024Observed: 6.95 ft at 6:00AM Mar 17, 2024Observed: 6.91 ft at 6:06AM Mar 17, 2024Observed: 6.86 ft at 6:12AM Mar 17, 2024Observed: 6.89 ft at 6:18AM Mar 17, 2024Observed: 6.77 ft at 6:24AM Mar 17, 2024Observed: 6.72 ft at 6:30AM Mar 17, 2024Observed: 6.64 ft at 6:36AM Mar 17, 2024Observed: 6.61 ft at 6:42AM Mar 17, 2024Observed: 6.6 ft at 6:48AM Mar 17, 2024Observed: 6.55 ft at 6:54AM Mar 17, 2024Observed: 6.49 ft at 7:00AM Mar 17, 2024Observed: 6.42 ft at 7:06AM Mar 17, 2024Observed: 6.34 ft at 7:12AM Mar 17, 2024Observed: 6.24 ft at 7:18AM Mar 17, 2024Observed: 6 ft at 7:36AM Mar 17, 2024Observed: 5.88 ft at 7:42AM Mar 17, 2024Observed: 5.78 ft at 7:48AM Mar 17, 2024Observed: 5.53 ft at 8:06AM Mar 17, 2024Observed: 5.44 ft at 8:12AM Mar 17, 2024Observed: 5.24 ft at 8:18AM Mar 17, 2024Observed: 5.13 ft at 8:24AM Mar 17, 2024Observed: 5.01 ft at 8:30AM Mar 17, 2024Observed: 4.93 ft at 8:36AM Mar 17, 2024Observed: 4.82 ft at 8:42AM Mar 17, 2024Observed: 4.7 ft at 8:48AM Mar 17, 2024Observed: 4.37 ft at 9:06AM Mar 17, 2024Observed: 4.29 ft at 9:12AM Mar 17, 2024Observed: 4.11 ft at 9:18AM Mar 17, 2024Observed: 3.72 ft at 9:36AM Mar 17, 2024Observed: 3.7 ft at 9:42AM Mar 17, 2024Observed: 3.56 ft at 9:48AM Mar 17, 2024Observed: 3.48 ft at 9:54AM Mar 17, 2024Observed: 3.35 ft at 10:00AM Mar 17, 2024Observed: 3.23 ft at 10:06AM Mar 17, 2024Observed: 3.08 ft at 10:12AM Mar 17, 2024Observed: 2.96 ft at 10:18AM Mar 17, 2024Observed: 2.79 ft at 10:24AM Mar 17, 2024Observed: 2.67 ft at 10:30AM Mar 17, 2024Observed: 2.58 ft at 10:36AM Mar 17, 2024Observed: 2.46 ft at 10:42AM Mar 17, 2024Observed: 2.3 ft at 10:48AM Mar 17, 2024Observed: 1.96 ft at 11:06AM Mar 17, 2024Observed: 1.8 ft at 11:12AM Mar 17, 2024Observed: 1.76 ft at 11:18AM Mar 17, 2024Observed: 1.64 ft at 11:24AM Mar 17, 2024Observed: 1.58 ft at 11:30AM Mar 17, 2024Observed: 1.53 ft at 11:36AM Mar 17, 2024Observed: 1.45 ft at 11:42AM Mar 17, 2024Observed: 1.35 ft at 11:48AM Mar 17, 2024Observed: 1.27 ft at 11:54AM Mar 17, 2024Observed: 1.19 ft at 12:00PM Mar 17, 2024Observed: 1.12 ft at 12:06PM Mar 17, 2024Observed: 1.07 ft at 12:12PM Mar 17, 2024Observed: 1.04 ft at 12:18PM Mar 17, 2024Observed: 0.93 ft at 12:24PM Mar 17, 2024Observed: 0.87 ft at 12:30PM Mar 17, 2024Observed: 0.87 ft at 12:36PM Mar 17, 2024Observed: 0.85 ft at 12:42PM Mar 17, 2024Observed: 0.82 ft at 12:48PM Mar 17, 2024Observed: 0.81 ft at 1:06PM Mar 17, 2024Observed: 0.84 ft at 1:12PM Mar 17, 2024Observed: 0.8 ft at 1:18PM Mar 17, 2024Observed: 0.79 ft at 1:36PM Mar 17, 2024Observed: 0.87 ft at 1:42PM Mar 17, 2024Observed: 0.91 ft at 1:48PM Mar 17, 2024Observed: 0.96 ft at 1:54PM Mar 17, 2024Observed: 1.01 ft at 2:00PM Mar 17, 2024Observed: 1.05 ft at 2:06PM Mar 17, 2024Observed: 1.07 ft at 2:12PM Mar 17, 2024Observed: 1.13 ft at 2:18PM Mar 17, 2024Observed: 1.33 ft at 2:36PM Mar 17, 2024Observed: 1.38 ft at 2:42PM Mar 17, 2024Observed: 1.42 ft at 2:48PM Mar 17, 2024Observed: 1.67 ft at 3:06PM Mar 17, 2024Observed: 1.68 ft at 3:12PM Mar 17, 2024Observed: 1.79 ft at 3:18PM Mar 17, 2024Observed: 2.06 ft at 3:36PM Mar 17, 2024Observed: 2.09 ft at 3:42PM Mar 17, 2024Observed: 2.16 ft at 3:48PM Mar 17, 2024Observed: 2.24 ft at 3:54PM Mar 17, 2024Observed: 2.37 ft at 4:00PM Mar 17, 2024Observed: 2.46 ft at 4:06PM Mar 17, 2024Observed: 2.55 ft at 4:12PM Mar 17, 2024Observed: 2.67 ft at 4:18PM Mar 17, 2024Observed: 2.9 ft at 4:36PM Mar 17, 2024Observed: 3.01 ft at 4:42PM Mar 17, 2024Observed: 3.08 ft at 4:48PM Mar 17, 2024Observed: 3.32 ft at 5:06PM Mar 17, 2024Observed: 3.4 ft at 5:12PM Mar 17, 2024Observed: 3.55 ft at 5:18PM Mar 17, 2024Observed: 3.64 ft at 5:24PM Mar 17, 2024Observed: 3.74 ft at 5:30PM Mar 17, 2024Observed: 3.76 ft at 5:36PM Mar 17, 2024Observed: 3.79 ft at 5:42PM Mar 17, 2024Observed: 3.89 ft at 5:48PM Mar 17, 2024Observed: 3.99 ft at 5:54PM Mar 17, 2024Observed: 4.1 ft at 6:00PM Mar 17, 2024Observed: 4.23 ft at 6:06PM Mar 17, 2024Observed: 4.29 ft at 6:12PM Mar 17, 2024Observed: 4.33 ft at 6:18PM Mar 17, 2024Observed: 4.5 ft at 6:36PM Mar 17, 2024Observed: 4.55 ft at 6:42PM Mar 17, 2024Observed: 4.57 ft at 6:48PM Mar 17, 2024Observed: 4.81 ft at 7:06PM Mar 17, 2024Observed: 4.88 ft at 7:12PM Mar 17, 2024Observed: 4.94 ft at 7:18PM Mar 17, 2024Observed: 4.99 ft at 7:36PM Mar 17, 2024Observed: 5.05 ft at 7:42PM Mar 17, 2024Observed: 5.1 ft at 7:48PM Mar 17, 2024Observed: 5.11 ft at 7:54PM Mar 17, 2024Observed: 5.13 ft at 8:00PM Mar 17, 2024Observed: 5.11 ft at 8:06PM Mar 17, 2024Observed: 5.16 ft at 8:12PM Mar 17, 2024Observed: 5.16 ft at 8:18PM Mar 17, 2024Observed: 5.18 ft at 8:24PM Mar 17, 2024Observed: 5.21 ft at 8:30PM Mar 17, 2024Observed: 5.24 ft at 8:36PM Mar 17, 2024Observed: 5.21 ft at 8:42PM Mar 17, 2024Observed: 5.23 ft at 8:48PM Mar 17, 2024Observed: 5.16 ft at 9:06PM Mar 17, 2024Observed: 5.16 ft at 9:12PM Mar 17, 2024Observed: 5.14 ft at 9:18PM Mar 17, 2024Observed: 5.11 ft at 9:36PM Mar 17, 2024Observed: 5.08 ft at 9:42PM Mar 17, 2024Observed: 5.07 ft at 9:48PM Mar 17, 2024Observed: 4.96 ft at 9:54PM Mar 17, 2024Observed: 4.96 ft at 10:00PM Mar 17, 2024Observed: 4.93 ft at 10:06PM Mar 17, 2024Observed: 4.97 ft at 10:12PM Mar 17, 2024Observed: 4.91 ft at 10:18PM Mar 17, 2024Observed: 4.87 ft at 10:24PM Mar 17, 2024Observed: 4.85 ft at 10:30PM Mar 17, 2024Observed: 4.8 ft at 10:36PM Mar 17, 2024Observed: 4.8 ft at 10:42PM Mar 17, 2024Observed: 4.72 ft at 10:48PM Mar 17, 2024Observed: 4.62 ft at 11:06PM Mar 17, 2024Observed: 4.63 ft at 11:12PM Mar 17, 2024Observed: 4.63 ft at 11:18PM Mar 17, 2024Observed: 4.57 ft at 11:36PM Mar 17, 2024Observed: 4.5 ft at 11:42PM Mar 17, 2024Observed: 4.45 ft at 11:48PM Mar 17, 2024Observed: 4.43 ft at 11:54PM Mar 17, 2024Observed: 4.44 ft at 12:00AM Mar 18, 2024Observed: 4.46 ft at 12:06AM Mar 18, 2024Observed: 4.43 ft at 12:12AM Mar 18, 2024Observed: 4.41 ft at 12:18AM Mar 18, 2024Observed: 4.39 ft at 12:24AM Mar 18, 2024Observed: 4.36 ft at 12:30AM Mar 18, 2024Observed: 4.35 ft at 12:36AM Mar 18, 2024Observed: 4.37 ft at 12:42AM Mar 18, 2024Observed: 4.39 ft at 12:48AM Mar 18, 2024Observed: 4.33 ft at 12:54AM Mar 18, 2024Observed: 4.39 ft at 1:00AM Mar 18, 2024Observed: 4.4 ft at 1:06AM Mar 18, 2024Observed: 4.44 ft at 1:12AM Mar 18, 2024Observed: 4.46 ft at 1:18AM Mar 18, 2024Observed: 4.46 ft at 1:24AM Mar 18, 2024Observed: 4.48 ft at 1:30AM Mar 18, 2024Observed: 4.49 ft at 1:36AM Mar 18, 2024Observed: 4.53 ft at 1:42AM Mar 18, 2024Observed: 4.54 ft at 1:48AM Mar 18, 2024Observed: 4.57 ft at 1:54AM Mar 18, 2024Observed: 4.57 ft at 2:00AM Mar 18, 2024Observed: 4.63 ft at 2:06AM Mar 18, 2024Observed: 4.67 ft at 2:12AM Mar 18, 2024Observed: 4.72 ft at 2:18AM Mar 18, 2024Observed: 4.89 ft at 2:36AM Mar 18, 2024Observed: 4.9 ft at 2:42AM Mar 18, 2024Observed: 4.98 ft at 2:48AM Mar 18, 2024Observed: 5.02 ft at 2:54AM Mar 18, 2024Observed: 5.11 ft at 3:00AM Mar 18, 2024Observed: 5.15 ft at 3:06AM Mar 18, 2024Observed: 5.2 ft at 3:12AM Mar 18, 2024Observed: 5.2 ft at 3:18AM Mar 18, 2024Observed: 5.27 ft at 3:24AM Mar 18, 2024Observed: 5.35 ft at 3:30AM Mar 18, 2024Observed: 5.4 ft at 3:36AM Mar 18, 2024Observed: 5.46 ft at 3:42AM Mar 18, 2024Observed: 5.52 ft at 3:48AM Mar 18, 2024Observed: 5.59 ft at 3:54AM Mar 18, 2024Observed: 5.64 ft at 4:00AM Mar 18, 2024Observed: 5.7 ft at 4:06AM Mar 18, 2024Observed: 5.73 ft at 4:12AM Mar 18, 2024Observed: 5.8 ft at 4:18AM Mar 18, 2024Observed: 5.86 ft at 4:24AM Mar 18, 2024Observed: 5.98 ft at 4:30AM Mar 18, 2024Observed: 6.01 ft at 4:36AM Mar 18, 2024Observed: 6.09 ft at 4:42AM Mar 18, 2024Observed: 6.15 ft at 4:48AM Mar 18, 2024Observed: 6.2 ft at 4:54AM Mar 18, 2024Observed: 6.26 ft at 5:00AM Mar 18, 2024Observed: 6.28 ft at 5:06AM Mar 18, 2024Observed: 6.3 ft at 5:12AM Mar 18, 2024Observed: 6.38 ft at 5:18AM Mar 18, 2024Observed: 6.46 ft at 5:24AM Mar 18, 2024Observed: 6.51 ft at 5:30AM Mar 18, 2024Observed: 6.57 ft at 5:36AM Mar 18, 2024Observed: 6.62 ft at 5:42AM Mar 18, 2024Observed: 6.62 ft at 5:48AM Mar 18, 2024Observed: 6.65 ft at 5:54AM Mar 18, 2024Observed: 6.67 ft at 6:00AM Mar 18, 2024Observed: 6.68 ft at 6:06AM Mar 18, 2024Observed: 6.67 ft at 6:12AM Mar 18, 2024Observed: 6.71 ft at 6:18AM Mar 18, 2024Observed: 6.78 ft at 6:24AM Mar 18, 2024Observed: 6.81 ft at 6:30AM Mar 18, 2024Observed: 6.79 ft at 6:36AM Mar 18, 2024Observed: 6.8 ft at 6:42AM Mar 18, 2024Observed: 6.76 ft at 6:48AM Mar 18, 2024Observed: 6.77 ft at 6:54AM Mar 18, 2024Observed: 6.76 ft at 7:00AM Mar 18, 2024Observed: 6.76 ft at 7:06AM Mar 18, 2024Observed: 6.76 ft at 7:12AM Mar 18, 2024Observed: 6.74 ft at 7:18AM Mar 18, 2024Observed: 6.73 ft at 7:24AM Mar 18, 2024Observed: 6.64 ft at 7:30AM Mar 18, 2024Observed: 6.6 ft at 7:36AM Mar 18, 2024Observed: 6.57 ft at 7:42AM Mar 18, 2024Observed: 6.49 ft at 7:48AM Mar 18, 2024Observed: 6.5 ft at 7:54AM Mar 18, 2024Observed: 6.47 ft at 8:00AM Mar 18, 2024Observed: 6.41 ft at 8:06AM Mar 18, 2024Observed: 6.32 ft at 8:12AM Mar 18, 2024Observed: 6.24 ft at 8:18AM Mar 18, 2024Observed: 6.2 ft at 8:24AM Mar 18, 2024Observed: 6.14 ft at 8:30AM Mar 18, 2024Observed: 6 ft at 8:36AM Mar 18, 2024Observed: 5.9 ft at 8:42AM Mar 18, 2024Observed: 5.84 ft at 8:48AM Mar 18, 2024Observed: 5.62 ft at 9:06AM Mar 18, 2024Observed: 5.58 ft at 9:12AM Mar 18, 2024Observed: 5.41 ft at 9:18AM Mar 18, 2024Observed: 5.31 ft at 9:24AM Mar 18, 2024Observed: 5.23 ft at 9:30AM Mar 18, 2024Observed: 5.11 ft at 9:36AM Mar 18, 2024Observed: 4.96 ft at 9:42AM Mar 18, 2024Observed: 4.86 ft at 9:48AM Mar 18, 2024Observed: 4.78 ft at 9:54AM Mar 18, 2024Observed: 4.68 ft at 10:00AM Mar 18, 2024Observed: 4.56 ft at 10:06AM Mar 18, 2024Observed: 4.43 ft at 10:12AM Mar 18, 2024Observed: 4.29 ft at 10:18AM Mar 18, 2024Observed: 4.24 ft at 10:24AM Mar 18, 2024Observed: 4.12 ft at 10:30AM Mar 18, 2024Observed: 4.03 ft at 10:36AM Mar 18, 2024Observed: 3.91 ft at 10:42AM Mar 18, 2024Observed: 3.82 ft at 10:48AM Mar 18, 2024Observed: 3.5 ft at 11:06AM Mar 18, 2024Observed: 3.37 ft at 11:12AM Mar 18, 2024Observed: 3.27 ft at 11:18AM Mar 18, 2024Observed: 3.13 ft at 11:24AM Mar 18, 2024Observed: 3.01 ft at 11:30AM Mar 18, 2024Observed: 2.9 ft at 11:36AM Mar 18, 2024Observed: 2.78 ft at 11:42AM Mar 18, 2024Observed: 2.7 ft at 11:48AM Mar 18, 2024Observed: 2.6 ft at 11:54AM Mar 18, 2024Observed: 2.49 ft at 12:00PM Mar 18, 2024Observed: 2.33 ft at 12:06PM Mar 18, 2024Observed: 2.23 ft at 12:12PM Mar 18, 2024Observed: 2.14 ft at 12:18PM Mar 18, 2024Observed: 2.04 ft at 12:24PM Mar 18, 2024Observed: 1.91 ft at 12:30PM Mar 18, 2024Observed: 1.87 ft at 12:36PM Mar 18, 2024Observed: 1.75 ft at 12:42PM Mar 18, 2024Observed: 1.63 ft at 12:48PM Mar 18, 2024Observed: 1.37 ft at 1:06PM Mar 18, 2024Observed: 1.35 ft at 1:12PM Mar 18, 2024Observed: 1.23 ft at 1:18PM Mar 18, 2024Observed: 1.04 ft at 1:36PM Mar 18, 2024Observed: 1 ft at 1:42PM Mar 18, 2024Observed: 0.94 ft at 1:48PM Mar 18, 2024Observed: 0.91 ft at 1:54PM Mar 18, 2024Observed: 0.93 ft at 2:00PM Mar 18, 2024Observed: 0.96 ft at 2:06PM Mar 18, 2024Observed: 0.94 ft at 2:12PM Mar 18, 2024Observed: 0.87 ft at 2:18PM Mar 18, 2024Observed: 0.88 ft at 2:24PM Mar 18, 2024Observed: 0.92 ft at 2:30PM Mar 18, 2024Observed: 0.96 ft at 2:36PM Mar 18, 2024Observed: 0.95 ft at 2:42PM Mar 18, 2024Observed: 0.96 ft at 2:48PM Mar 18, 2024Observed: 1.08 ft at 3:06PM Mar 18, 2024Observed: 1.14 ft at 3:12PM Mar 18, 2024Observed: 1.2 ft at 3:18PM Mar 18, 2024Observed: 1.34 ft at 3:36PM Mar 18, 2024Observed: 1.37 ft at 3:42PM Mar 18, 2024Observed: 1.44 ft at 3:48PM Mar 18, 2024Observed: 1.46 ft at 3:54PM Mar 18, 2024Observed: 1.56 ft at 4:00PM Mar 18, 2024Observed: 1.64 ft at 4:06PM Mar 18, 2024Observed: 1.68 ft at 4:12PM Mar 18, 2024Observed: 1.82 ft at 4:18PM Mar 18, 2024Observed: 1.87 ft at 4:24PM Mar 18, 2024Observed: 1.94 ft at 4:30PM Mar 18, 2024Observed: 2.08 ft at 4:36PM Mar 18, 2024Observed: 2.17 ft at 4:42PM Mar 18, 2024Observed: 2.23 ft at 4:48PM Mar 18, 2024Observed: 2.52 ft at 5:06PM Mar 18, 2024Observed: 2.61 ft at 5:12PM Mar 18, 2024Observed: 2.71 ft at 5:18PM Mar 18, 2024Observed: 2.77 ft at 5:24PM Mar 18, 2024Observed: 2.91 ft at 5:30PM Mar 18, 2024Observed: 2.92 ft at 5:36PM Mar 18, 2024Observed: 3.01 ft at 5:42PM Mar 18, 2024Observed: 3.14 ft at 5:48PM Mar 18, 2024Observed: 3.27 ft at 5:54PM Mar 18, 2024Observed: 3.31 ft at 6:00PM Mar 18, 2024Observed: 3.39 ft at 6:06PM Mar 18, 2024Observed: 3.59 ft at 6:12PM Mar 18, 2024Observed: 3.62 ft at 6:18PM Mar 18, 2024Observed: 3.72 ft at 6:24PM Mar 18, 2024Observed: 3.81 ft at 6:30PM Mar 18, 2024Observed: 3.92 ft at 6:36PM Mar 18, 2024Observed: 3.98 ft at 6:42PM Mar 18, 2024Observed: 4.03 ft at 6:48PM Mar 18, 2024Observed: 4.36 ft at 7:06PM Mar 18, 2024Observed: 4.5 ft at 7:12PM Mar 18, 2024Observed: 4.6 ft at 7:18PM Mar 18, 2024Observed: 4.61 ft at 7:24PM Mar 18, 2024Observed: 4.63 ft at 7:30PM Mar 18, 2024Observed: 4.7 ft at 7:36PM Mar 18, 2024Observed: 4.8 ft at 7:42PM Mar 18, 2024Observed: 4.88 ft at 7:48PM Mar 18, 2024Observed: 4.94 ft at 7:54PM Mar 18, 2024Observed: 4.98 ft at 8:00PM Mar 18, 2024Observed: 5.07 ft at 8:06PM Mar 18, 2024Observed: 5.17 ft at 8:12PM Mar 18, 2024Observed: 5.23 ft at 8:18PM Mar 18, 2024Observed: 5.3 ft at 8:24PM Mar 18, 2024Observed: 5.25 ft at 8:30PM Mar 18, 2024Observed: 5.32 ft at 8:36PM Mar 18, 2024Observed: 5.4 ft at 8:42PM Mar 18, 2024Observed: 5.44 ft at 8:48PM Mar 18, 2024Observed: 5.52 ft at 9:06PM Mar 18, 2024Observed: 5.63 ft at 9:12PM Mar 18, 2024Observed: 5.65 ft at 9:18PM Mar 18, 2024Observed: 5.74 ft at 9:24PM Mar 18, 2024Observed: 5.62 ft at 9:30PM Mar 18, 2024Observed: 5.57 ft at 9:36PM Mar 18, 2024Observed: 5.54 ft at 9:42PM Mar 18, 2024Observed: 5.68 ft at 9:48PM Mar 18, 2024Observed: 5.7 ft at 9:54PM Mar 18, 2024Observed: 5.68 ft at 10:00PM Mar 18, 2024Observed: 5.71 ft at 10:06PM Mar 18, 2024Observed: 5.74 ft at 10:12PM Mar 18, 2024Observed: 5.63 ft at 10:18PM Mar 18, 2024Observed: 5.57 ft at 10:24PM Mar 18, 2024Observed: 5.49 ft at 10:30PM Mar 18, 2024Observed: 5.51 ft at 10:36PM Mar 18, 2024Observed: 5.55 ft at 10:42PM Mar 18, 2024Observed: 5.53 ft at 10:48PM Mar 18, 2024Observed: 5.52 ft at 10:54PM Mar 18, 2024Observed: 5.48 ft at 11:00PM Mar 18, 2024Observed: 5.43 ft at 11:06PM Mar 18, 2024Observed: 5.31 ft at 11:12PM Mar 18, 2024Observed: 5.28 ft at 11:18PM Mar 18, 2024Observed: 5.16 ft at 11:24PM Mar 18, 2024Observed: 5.14 ft at 11:30PM Mar 18, 2024Observed: 5.2 ft at 11:36PM Mar 18, 2024Observed: 5.13 ft at 11:42PM Mar 18, 2024Observed: 5.06 ft at 11:48PM Mar 18, 2024Observed: 5.13 ft at 11:54PM Mar 18, 2024Observed: 5.06 ft at 12:00AM Mar 19, 2024Observed: 4.93 ft at 12:06AM Mar 19, 2024Observed: 4.99 ft at 12:12AM Mar 19, 2024Observed: 4.86 ft at 12:18AM Mar 19, 2024Observed: 4.81 ft at 12:24AM Mar 19, 2024Observed: 4.74 ft at 12:30AM Mar 19, 2024Observed: 4.71 ft at 12:36AM Mar 19, 2024Observed: 4.74 ft at 12:42AM Mar 19, 2024Observed: 4.74 ft at 12:48AM Mar 19, 2024Observed: 4.7 ft at 12:54AM Mar 19, 2024Observed: 4.57 ft at 1:00AM Mar 19, 2024Observed: 4.49 ft at 1:06AM Mar 19, 2024Observed: 4.52 ft at 1:12AM Mar 19, 2024Observed: 4.48 ft at 1:18AM Mar 19, 2024Observed: 4.48 ft at 1:24AM Mar 19, 2024Observed: 4.39 ft at 1:30AM Mar 19, 2024Observed: 4.42 ft at 1:36AM Mar 19, 2024Observed: 4.36 ft at 1:42AM Mar 19, 2024Observed: 4.37 ft at 1:48AM Mar 19, 2024Observed: 4.39 ft at 1:54AM Mar 19, 2024Observed: 4.44 ft at 2:00AM Mar 19, 2024Observed: 4.42 ft at 2:06AM Mar 19, 2024Observed: 4.41 ft at 2:12AM Mar 19, 2024Observed: 4.33 ft at 2:18AM Mar 19, 2024Observed: 4.31 ft at 2:24AM Mar 19, 2024Observed: 4.33 ft at 2:30AM Mar 19, 2024Observed: 4.41 ft at 2:36AM Mar 19, 2024Observed: 4.41 ft at 2:42AM Mar 19, 2024Observed: 4.47 ft at 2:48AM Mar 19, 2024Observed: 4.46 ft at 2:54AM Mar 19, 2024Observed: 4.49 ft at 3:00AM Mar 19, 2024Observed: 4.48 ft at 3:06AM Mar 19, 2024Observed: 4.48 ft at 3:12AM Mar 19, 2024Observed: 4.48 ft at 3:18AM Mar 19, 2024Observed: 4.57 ft at 3:24AM Mar 19, 2024Observed: 4.53 ft at 3:30AM Mar 19, 2024Observed: 4.61 ft at 3:36AM Mar 19, 2024Forecast: 4.74 ft 5:00AM Mar 19, 2024Forecast: 5.35 ft 6:00AM Mar 19, 2024Forecast: 5.88 ft 7:00AM Mar 19, 2024Forecast: 6.1 ft 8:00AM Mar 19, 2024Forecast: 5.89 ft 9:00AM Mar 19, 2024Forecast: 5.25 ft 10:00AM Mar 19, 2024Forecast: 4.25 ft 11:00AM Mar 19, 2024Forecast: 3.03 ft 12:00PM Mar 19, 2024Forecast: 1.8 ft 1:00PM Mar 19, 2024Forecast: 0.84 ft 2:00PM Mar 19, 2024Forecast: 0.37 ft 3:00PM Mar 19, 2024Forecast: 0.43 ft 4:00PM Mar 19, 2024Forecast: 0.95 ft 5:00PM Mar 19, 2024Forecast: 1.8 ft 6:00PM Mar 19, 2024Forecast: 2.85 ft 7:00PM Mar 19, 2024Forecast: 3.87 ft 8:00PM Mar 19, 2024Forecast: 4.64 ft 9:00PM Mar 19, 2024Forecast: 5.04 ft 10:00PM Mar 19, 2024Forecast: 5.07 ft 11:00PM Mar 19, 2024Forecast: 4.76 ft 12:00AM Mar 20, 2024Forecast: 4.21 ft 1:00AM Mar 20, 2024Forecast: 3.65 ft 2:00AM Mar 20, 2024Forecast: 3.34 ft 3:00AM Mar 20, 2024Forecast: 3.4 ft 4:00AM Mar 20, 2024Forecast: 3.8 ft 5:00AM Mar 20, 2024Forecast: 4.43 ft 6:00AM Mar 20, 2024Forecast: 5.16 ft 7:00AM Mar 20, 2024Forecast: 5.79 ft 8:00AM Mar 20, 2024Forecast: 6.09 ft 9:00AM Mar 20, 2024Forecast: 5.92 ft 10:00AM Mar 20, 2024Forecast: 5.27 ft 11:00AM Mar 20, 2024Forecast: 4.23 ft 12:00PM Mar 20, 2024Forecast: 2.93 ft 1:00PM Mar 20, 2024Forecast: 1.65 ft 2:00PM Mar 20, 2024Forecast: 0.68 ft 3:00PM Mar 20, 2024Forecast: 0.27 ft 4:00PM Mar 20, 2024Forecast: 0.43 ft 5:00PM Mar 20, 2024Forecast: 1.08 ft 6:00PM Mar 20, 2024Forecast: 2.08 ft 7:00PM Mar 20, 2024Forecast: 3.24 ft 8:00PM Mar 20, 2024Forecast: 4.29 ft 9:00PM Mar 20, 2024Forecast: 5.02 ft 10:00PM Mar 20, 2024Forecast: 5.31 ft 11:00PM Mar 20, 2024Forecast: 5.16 ft 12:00AM Mar 21, 2024Forecast: 4.63 ft 1:00AM Mar 21, 2024Forecast: 3.88 ft 2:00AM Mar 21, 2024Forecast: 3.19 ft 3:00AM Mar 21, 2024Forecast: 2.85 ft 4:00AM Mar 21, 2024Forecast: 2.98 ft 5:00AM Mar 21, 2024Forecast: 3.5 ft 6:00AM Mar 21, 2024Forecast: 4.28 ft 7:00AM Mar 21, 2024Forecast: 5.14 ft 8:00AM Mar 21, 2024Forecast: 5.85 ft 9:00AM Mar 21, 2024Highest Forecast: 6.16 ft 10:00AM Mar 21, 2024Forecast: 5.92 ft 11:00AM Mar 21, 2024Forecast: 5.17 ft 12:00PM Mar 21, 2024Forecast: 4.01 ft 1:00PM Mar 21, 2024Forecast: 2.63 ft 2:00PM Mar 21, 2024Forecast: 1.33 ft 3:00PM Mar 21, 2024Forecast: 0.47 ft 4:00PM Mar 21, 2024Forecast: 0.23 ft 5:00PM Mar 21, 2024Forecast: 0.61 ft 6:00PM Mar 21, 2024Forecast: 1.47 ft 7:00PM Mar 21, 2024Forecast: 2.63 ft 8:00PM Mar 21, 2024Forecast: 3.85 ft 9:00PM Mar 21, 2024Forecast: 4.86 ft 10:00PM Mar 21, 2024Forecast: 5.43 ft 11:00PM Mar 21, 2024Forecast: 5.48 ft 12:00AM Mar 22, 2024Forecast: 5.05 ft 1:00AM Mar 22, 2024Forecast: 4.26 ft 2:00AM Mar 22, 2024Forecast: 3.33 ft 3:00AM Mar 22, 2024Forecast: 2.6 ft 4:00AM Mar 22, 2024HBYC1(plotting HMIRG) Graph Created (4:04AM Mar 19, 2024)ObservedForecast (issued 5:00PM Mar 18)Latest observed value: 4.61 ft at 3:36 AM PDT 19-Mar-2024.
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Tabular Data (UTC)
Tabular Data (PDT)
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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.

NOTE: Tide forecasts include only the astronomical forecast. Storm surge and wind affects may create conditions very different than this forecast. Please check your local Weather Forecast Office for storm-related departures.

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

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

NOTE: Forecasts for the Tide Station (Humboldt Co.) at NORTH SPIT are issued routinely year-round.

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Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:12
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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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Latitude: 40.766944° N, Longitude: 124.216944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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  
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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.
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Eureka Weather Forecast Office
300 Startare Drive
Eureka, CA 95501
(707) 443-6484
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