National Weather Service United States Department of Commerce

Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

NWS Seattle Marine Page

...... Forecasts
Washington Coastal Waters
      Coastal Waters Forecast (text version)
      Forecast-by-Zone Map
      Graphical Marine Forecast


Southwest Washington / Northern Oregon Coastal Waters
      Coastal Waters Forecast (text version)
      Forecast-by-Zone Map
      Graphical Marine Forecast


Offshore Waters (60-250 nm off the coast)
      Offshore Waters Forecast


Other Forecast Resources
      Canadian Forecasts and Warnings
      Mobile Marine Weather (for hand-held devices)
      MOS Wind Guidance for Northwest Marine Sites:
             NAM-Based | GFS-Based
      Coastal Waters Forecast for all U.S. Waters
      Ocean Prediction Center (includes Offshore & High Seas Forecasts)
      Marine Product Dissemination Information Page
      Ocean Wave Forecasts
      Marine Fax Charts | Schedule
      Marine Modeling and Analysis Branch of NCEP
...... Marine Observations
      Buoy and C-Man Data from the National Data Buoy Center:
             Local | Northwest | Global
             Dial-a-Buoy (888-701-8992)
      Bar Conditions and Forecasts 
             Overviews: Grays Harbor Bar | Quillayute River Bar
      Washington State Ferry Reports
      Coast Guard and Miscellaneous Reports
      Hood Canal Bridge (from WSDOT)
      Northwest Pressure Gradients
      Sea Surface Temperature Map
...... Local Tides
      Observed Tide Levels
      Tide Predictions
      Tidal Currents:
             Outer Washington Coast (2014)
...... Safety / Other Information

      Marine Warning and Advisory Definitions
      Canadian Marine Services
      Tsunami Information Sources:
            * National Tsunami Warning Center (source of watches, warnings, advisories)
            * National Tsunami Hazard Mitigation Program
            * NWS Seattle Tsunami Information
      U.S. Coast Guard Navigation Center
      U.S. Coast Guard Auxillary
      Rip Currents
      Power Squadron Boating Courses
      Mariners Weather Log
      Voluntary Oberving Ship Program