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.

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.

Weather Forecast Office Seattle, WA

Northwest River Forecast Center

Flood Warning

Flood Watch

Hydrograph

River at a Glance

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Probability Information Chance of Exceeding Levels During Entire Period Weekly Chance of Exceeding Levels Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (PST) Datum: NGVD29 Metadata

NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office. NOTE: Forecasts for the Samish River near Burlington are issued routinely year-round.

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Flood Categories (in KCFS) Major Flood Flow: 11 Moderate Flood Flow: 7 Flood Flow: 3 Action Flow: 2.1 Low Stage (in feet): 0 Historic Crests (1) 9,870 cfs on 01/08/2009 (2) 8,440 cfs on 01/10/1983 (3) 6,340 cfs on 12/18/1979 (4) 6,090 cfs on 12/02/1975 (5) 5,840 cfs on 02/04/2018 (6) 5,830 cfs on 12/28/1949 (7) 5,820 cfs on 11/15/2021 (8) 5,700 cfs on 12/13/2010 (9) 5,650 cfs on 11/15/2021 (10) 5,590 cfs on 01/24/1982 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 3,300 cfs on 11/28/2021 (2) 5,820 cfs on 11/15/2021 (3) 5,650 cfs on 11/15/2021 (4) 2,550 cfs on 02/05/2021 (5) 2,900 cfs on 02/01/2020 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

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11000	the Samish River will experience major flooding from Old Hwy 99 down to Samish Bay, with flooding of most areas of farm land along the river and further away, including Old Hwy 99. Samish Island Road will flood, cutting off Samish Island. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees will overtop and could breech.
9000	the Samish River will cause moderate flooding from Old Hwy 99 down to Samish Bay, flooding many areas of farm land along the river and further away. Samish Island Road will flood, cutting off Samish Island. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees could breech as well.
7000	the Samish River will cause moderate flooding from Old Hwy 99 down to Samish Bay, flooding many areas of farm land along the river and further away. There will also be flooding of residences, businesses, and the following roads: Sam Bell, Farm To Market, Allen, Thomas, Green, and Steelhead Lane. Levees could breech as well.
4500	the Samish River will spill over its banks causing flood waters from west of Interstate 5 down to Samish Bay, flooding Sam Bell Rd., Farm To Market Rd., Allen Rd. near the town of Allen, and also Thomas Rd. and Green Rd.. Some residences, businesses, and farmland along the river will also be flooded.
3000	the Samish River will spill over its banks causing flood waters over Sam Bell Rd., Farm To Market Rd., and Allen Rd. near the town of Allen. Some residences, businesses, and low-lying farm land along the river will also be flooded.

About This Location

Latitude: 48.545941° N, Longitude: 122.338217° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS flow Not Available 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 36.722 ft Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 45 ft 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: U.S. Geological Survey (USGS) Data and Site Info for Burlington

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Streamflow Data USACE real time/archived data query

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Inundation Mapping Locations Snow Information Flood Smart/National Flood Insurance Program

Collaborative Agencies 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 Seattle Weather Forecast Office 7600 Sandpoint Way NE Seattle, WA 98115-6349 (206) 526-6087 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:27 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities