FZPN23 KWNM 192249 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 349 PM PDT Sun Apr 19 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 cold front will move over the N and central waters tonight into Mon night. The front will then move over the S waters Tue and pass S of the waters Tue night. Associated with the front, low pressure is expected to track S towards the N waters tonight. The weakening low pressure area will slowly drift S and SE into the N waters Mon and Mon night, then move slowly E and SE over the central waters Tue and Tue night. Strengthening high pressure will build in across the N and central portions Wed and Wed night, then maintain a ridge just W of the area Thu into Fri night. A low pressure trough will develop along the coast Tue night and persist into Fri night. Point Saint George to Point Arena .TONIGHT...S to SE winds 15 to 25 kt. Seas 6 to 11 ft. Rain. .MON...S winds 10 to 20 kt. Seas 7 to 11 ft. Chance of rain. .MON NIGHT...S to SE winds 5 to 15 kt. Seas 6 to 10 ft. .TUE...N to NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .THU...N winds 15 to 25 kt. Seas 6 to 10 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...N winds 15 to 25 kt. Seas 6 to 10 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Point Arena to Point Piedras Blancas .TONIGHT...S winds 10 to 20 kt. Seas 6 to 10 ft. Chance of rain. .MON...S winds 20 to 30 kt. Seas 7 to 11 ft. Chance of rain. .MON NIGHT...S winds 20 to 30 kt. Seas 6 to 10 ft. .TUE...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. Scattered showers. .TUE NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 9 ft. .WED...W to NW winds 5 to 15 kt. Seas 4 to 8 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .THU...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI...NW winds 15 to 25 kt. Seas 6 to 10 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 9 ft.