FZPN23 KWNM 051616 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 916 AM PDT Wed Aug 5 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 coastal trough will gradually weaken today through Thu. Meanwhile, high pressure centered well NW of the area will maintain a ridge W of the waters today through Thu. New high pressure will form along the ridge W of the waters Thu night, then remain nearly stationary W of the waters through Sun night. The coastal trough will redevelop Thu night, then persist through Sun night. Point Saint George to Point Arena .TODAY...N winds 5 to 15 kt. Seas 5 to 7 ft. .TONIGHT...N winds 5 to 15 kt. Seas 4 to 6 ft. .THU...N winds 5 to 15 kt. Seas 3 to 6 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. .SUN...N winds 20 to 30 kt. Seas 11 to 15 ft. .SUN NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. Point Arena to Point Piedras Blancas .TODAY...N winds 5 to 15 kt. Seas 4 to 7 ft. .TONIGHT...N to NW winds 5 to 15 kt. Seas 4 to 6 ft. .THU...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...N to NW winds 20 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...N to NW winds 20 to 30 kt. Seas 8 to 12 ft.