FZPN24 KWNM 211110 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 410 AM PDT Tue Jul 21 2026 Conditions given represent the highest within that period. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...A trough will remain along the coasts of Washington and Oregon today, then dissipate tonight. Another trough will remain along the coast of Vancouver Island today into Wed. High pressure will persist over the southern Gulf of Alaska tonight, drift SW Wed through Thu, then move even farther W away from the area Thu night through Sat. A low pressure system will stall NW of the waters Sat night. Canadian border to 45N .TODAY...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .WED...N winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft. .FRI...Variable winds 5 to 15 kt. Seas 5 to 8 ft. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT...W winds 5 to 15 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 5 to 15 kt. Seas 4 to 7 ft. 45N to Point Saint George .TODAY...N winds 5 to 15 kt. Seas 4 to 7 ft. .TONIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. .WED...N to NE winds 5 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...S winds 5 to 15 kt. Seas 4 to 8 ft. .THU...S winds 5 to 15 kt. Seas 5 to 8 ft. .THU NIGHT...S winds 5 to 15 kt. Seas 5 to 8 ft. .FRI...S winds 5 to 15 kt. Seas 5 to 8 ft. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT...W to SW winds 5 to 15 kt. Seas 4 to 7 ft. .SAT NIGHT...W winds 5 to 15 kt. Seas 4 to 7 ft.