@ FZPN24 KWNM 190619 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 1119 PM PDT Mon May 18 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...High pressure will remain centered to the SW of the area tonight while a trough extending N along the Oregon coast begins to weaken. This high pressure will briefly erode as a weak front continues to fade south across the waters overnight. The high pressure to the SW will build back in over the area tomorrow and tomorrow night and strengthen on Wed with ridging extending E over the waters through Thu. A weak cold front will weaken this high pressure as it pushes across the waters late Thu into Fri. High pressure attempts to build back in Sat but will not reach the strengths it did mid-week. Canadian border to 45N .TONIGHT...W to NW winds 5 to 15 kt. Seas 7 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .WED...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .THU...N to NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft. .FRI...NW winds 15 to 25 kt. Seas 7 to 11 ft. .FRI NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 13 ft. .SAT...N to NW winds 20 to 30 kt. Seas 7 to 13 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 7 to 11 ft. 45N to Point Saint George ...GALE WARNING... .TONIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft. .TUE...N winds 20 to 30 kt. Seas 7 to 12 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft. .WED...N winds 25 to 35 kt. Seas 8 to 12 ft. .WED NIGHT...N winds 25 to 35 kt. Seas 9 to 13 ft. .THU...N winds 20 to 30 kt. Seas 8 to 12 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 8 to 12 ft. .FRI...N winds 20 to 30 kt. Seas 7 to 11 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft.