FZPN23 KWNM 041736 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 1036 AM PDT Tue Aug 4 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 remain in place today, then gradually weaken tonight 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 Sat night. The coastal trough will redevelop Thu night, then persist through Sat night. Point Saint George to Point Arena .TODAY...N winds 15 to 25 kt. Seas 8 to 12 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .WED...N winds 10 to 20 kt. Seas 5 to 9 ft. .WED NIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft. .THU...N winds 5 to 15 kt. Seas 3 to 6 ft. .THU NIGHT...N winds 5 to 15 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 15 to 25 kt. Seas 7 to 11 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. Point Arena to Point Piedras Blancas .TODAY...N winds 10 to 20 kt. Seas 6 to 10 ft. .TONIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft. .WED...N winds 10 to 20 kt. Seas 4 to 7 ft. .WED NIGHT...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 6 ft. .THU NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 6 ft. .FRI...N to NW winds 5 to 15 kt. Seas 4 to 7 ft. .FRI NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 8 ft. .SAT...N winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...N to NW winds 20 to 30 kt. Seas 8 to 13 ft.