FZPN23 KWNM 162228 OFFN08 NAVTEX Marine Forecast for northern California waters NWS Ocean Prediction Center Washington DC 328 PM PDT Sat May 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...High pressure will remain anchored W of the central and northern waters tonight and gradually weaken into Sun. A low pressure trough will slowly strengthen along the coast tonight, then persist through Mon night before weakening Tue into Tue night. The high pressure to the W will strengthen again on Mon through Wed and then drift further W and NW of the area Wed night through Thu night. Point Saint George to Point Arena ...GALE WARNING... .TONIGHT...N winds 30 to 40 kt. Seas 11 to 16 ft. .SUN...N winds 30 to 40 kt. Seas 11 to 17 ft. .SUN NIGHT...N winds 25 to 35 kt. Seas 10 to 17 ft. .MON...N winds 20 to 30 kt. Seas 8 to 13 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft. .TUE...N winds 20 to 30 kt. Seas 10 to 14 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. .WED...N winds 25 to 35 kt. Seas 9 to 15 ft. .WED NIGHT...N winds 25 to 35 kt. Seas 11 to 17 ft. .THU...N winds 20 to 30 kt. Seas 11 to 16 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 11 to 15 ft. Point Arena to Point Piedras Blancas ...GALE WARNING... .TONIGHT...N to NW winds 30 to 40 kt. Seas 11 to 19 ft. .SUN...N winds 30 to 40 kt. Seas 12 to 19 ft. .SUN NIGHT...N winds 30 to 40 kt. Seas 11 to 18 ft. .MON...N winds 20 to 30 kt. Seas 8 to 14 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 8 to 14 ft. .TUE...N winds 20 to 30 kt. Seas 9 to 14 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .WED...N winds 20 to 30 kt. Seas 8 to 13 ft. .WED NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft. .THU...N winds 20 to 30 kt. Seas 9 to 14 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft.