FZPN24 KWNM 170614 OFFN09 NAVTEX Marine Forecast for Washington and Oregon waters NWS Ocean Prediction Center Washington DC 1114 PM PDT Thu Jul 16 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 along the Vancouver Island coast will weaken tonight into Fri. The trough will reform along the coast Sat night and persist through Tue night. Another trough will extend N along the far SW Oregon coast tonight, continue through Fri night, then expand farther N Sat into Sun before diminishing Sun night into Mon. High pressure will build E toward the area Fri through Sat night, then persist along or just W of 140W through Tue night. Canadian border to 45N .TONIGHT...NW winds 10 to 20 kt. Seas 4 to 7 ft. Isolated showers. .FRI...NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...NW winds 5 to 15 kt. Seas 4 to 8 ft. .SAT...N to NW winds 5 to 15 kt. Seas 4 to 8 ft. .SAT NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .SUN...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...N winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. 45N to Point Saint George .TONIGHT...N to NW winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...N winds 15 to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .SAT...N winds 20 to 30 kt. Seas 5 to 9 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SUN...N winds 20 to 30 kt. Seas 6 to 10 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .MON...N winds 10 to 20 kt. Seas 5 to 9 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 5 to 8 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 5 to 15 kt. Seas 5 to 8 ft.