Coastal Waters Forecast
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
891 FZUS56 KMTR 171538 CWFMTR Coastal Waters Forecast for California National Weather Service San Francisco Bay Area 838 AM PDT Wed Sep 17 2025 Central California Coast from Point Arena to Point Piedras Blancas out to 60 NM, including Monterey Bay, Greater Farallones, and Cordell Bank National Marine Sanctuaries PZZ500-180415- 838 AM PDT Wed Sep 17 2025 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Expect hazardous conditions over the outer waters through Friday due to strong northerly breezes and rough seas that are developing today. Gale force gusts and very rough seas are likely in the northern outer waters. There`s a slight chance of thunderstorms today and tomorrow, posing the risks gusty outflow winds, rough seas and locally heavy rainfall. Isolated rain showers will linger through Friday. $$ PZZ570-180415- Waters from Point Arena to Point Reyes 10-60 NM- 838 AM PDT Wed Sep 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... ...GALE WARNING IN EFFECT FROM 3 PM PDT THIS AFTERNOON THROUGH THURSDAY MORNING... .TODAY...N wind 10 to 15 kt, becoming NW 15 to 20 kt late this morning and afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 17 seconds. .TONIGHT...NW wind 20 to 25 kt. Gusts up to 35 kt after midnight. Seas 7 to 9 ft, building to 9 to 12 ft after midnight. Wave Detail: NW 10 ft at 8 seconds and S 3 ft at 15 seconds. .THU...NW wind 20 to 25 kt. Gusts up to 35 kt in the morning. Seas 10 to 13 ft. Wave Detail: NW 12 ft at 10 seconds and S 4 ft at 15 seconds. .THU NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 9 to 13 ft. Wave Detail: NW 12 ft at 10 seconds and S 3 ft at 15 seconds. A slight chance of showers. .FRI...N wind 5 to 10 kt, backing to S in the afternoon. Seas 8 to 11 ft, subsiding to 8 to 9 ft in the afternoon. Wave Detail: NW 10 ft at 10 seconds and S 2 ft at 14 seconds. A slight chance of showers in the morning. .FRI NIGHT...SW wind around 5 kt, backing to SE after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...E wind around 5 kt, backing to NW in the afternoon. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds. .SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 12 seconds and S 2 ft at 13 seconds. .SUN...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 13 seconds. .SUN NIGHT...NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 13 seconds. $$ PZZ571-180415- Waters from Point Reyes to Pigeon Point 10-60 NM- 838 AM PDT Wed Sep 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM PDT THIS AFTERNOON THROUGH THURSDAY AFTERNOON... .TODAY...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 17 seconds. A slight chance of tstms late. .TONIGHT...NW wind 15 to 20 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave Detail: NW 8 ft at 9 seconds and S 3 ft at 15 seconds. A slight chance of tstms in the evening. .THU...NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 10 seconds and S 4 ft at 15 seconds. A slight chance of showers in the afternoon. .THU NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 11 seconds and S 2 ft at 14 seconds. A slight chance of showers. .FRI...W wind 5 to 10 kt, backing to SW in the afternoon. Seas 6 to 9 ft. Wave Detail: NW 9 ft at 11 seconds and S 2 ft at 14 seconds. A slight chance of showers in the morning. .FRI NIGHT...SW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...W wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds. .SAT NIGHT...NW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 12 seconds and S 3 ft at 13 seconds. .SUN...NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 12 seconds and S 2 ft at 13 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 10 seconds and SW 2 ft at 12 seconds. Winds and seas higher in and near tstms. $$ PZZ575-180415- Waters from Pigeon Point to Point Pinos 10-60 NM- 838 AM PDT Wed Sep 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM PDT THIS AFTERNOON THROUGH THURSDAY MORNING... .TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt this afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 17 seconds. A slight chance of showers early this afternoon. A slight chance of tstms late. .TONIGHT...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 8 seconds and S 4 ft at 15 seconds. A slight chance of tstms in the evening. .THU...NW wind 10 to 15 kt. Seas 6 to 9 ft, building to 8 to 10 ft in the afternoon. Wave Detail: NW 9 ft at 10 seconds and SW 3 ft at 15 seconds. A slight chance of tstms in the afternoon. .THU NIGHT...NW wind 5 to 10 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 11 seconds and S 3 ft at 14 seconds. A slight chance of showers. .FRI...W wind around 5 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 11 seconds and S 2 ft at 14 seconds. A slight chance of showers in the morning. .FRI NIGHT...W wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. .SAT NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 10 seconds and S 2 ft at 13 seconds. .SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 12 seconds and S 2 ft at 12 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 12 seconds and SW 2 ft at 13 seconds. Winds and seas higher in and near tstms. $$ PZZ576-180415- Waters from Point Pinos to Point Piedras Blancas 10-60 NM- 838 AM PDT Wed Sep 17 2025 .TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 17 seconds. A slight chance of showers this morning, then a slight chance of tstms this afternoon. .TONIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and S 3 ft at 15 seconds. A slight chance of tstms. .THU...NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft, building to 7 to 9 ft in the afternoon. Wave Detail: NW 7 ft at 10 seconds and S 3 ft at 15 seconds. A slight chance of tstms. A chance of showers in the afternoon. .THU NIGHT...NW wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 11 seconds and S 3 ft at 14 seconds. A chance of showers, mainly in the evening. .FRI...NW wind around 5 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 11 seconds and S 2 ft at 14 seconds. A slight chance of showers. .FRI NIGHT...NW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 13 seconds. .SAT NIGHT...NW wind around 10 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 2 ft at 13 seconds. .SUN...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 13 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas around 5 ft. Wave Detail: NW 5 ft at 12 seconds and S 2 ft at 12 seconds. Winds and seas higher in and near tstms. $$ PZZ540-180415- Coastal Waters from Point Arena to Point Reyes California out to 10 NM- 838 AM PDT Wed Sep 17 2025 .TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt late. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and S 2 ft at 17 seconds. Areas of dense fog this morning. .TONIGHT...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 9 seconds and S 3 ft at 15 seconds. .THU...NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 7 to 10 ft. Wave Detail: NW 8 ft at 10 seconds and S 4 ft at 13 seconds. .THU NIGHT...W wind 5 to 10 kt, backing to S after midnight. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 10 seconds and S 3 ft at 15 seconds. A slight chance of showers. .FRI...S wind around 5 kt. Seas 5 to 8 ft. Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds. A slight chance of showers in the morning. Patchy dense fog in the afternoon. .FRI NIGHT...S wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. .SAT...E wind around 5 kt, veering to W in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 9 seconds and S 2 ft at 13 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 12 seconds and S 2 ft at 13 seconds. .SUN...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 12 seconds and S 2 ft at 13 seconds. .SUN NIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 11 seconds and SW 2 ft at 12 seconds. $$ PZZ545-180415- Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM- 838 AM PDT Wed Sep 17 2025 .TODAY...NW wind around 5 kt, rising to 5 to 10 kt this afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds and S 2 ft at 17 seconds. Areas of dense fog this morning. .TONIGHT...W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft at 7 seconds and S 3 ft at 13 seconds. .THU...W wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 10 seconds and S 3 ft at 13 seconds. A chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...SW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 11 seconds and SW 2 ft at 15 seconds. A slight chance of tstms in the evening. A chance of showers. .FRI...SW wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. A slight chance of showers. .FRI NIGHT...SW wind around 5 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 10 seconds and S 2 ft at 14 seconds. Patchy fog. .SAT...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 9 seconds and S 2 ft at 13 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 10 seconds and SW 2 ft at 13 seconds. .SUN...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: S 2 ft at 7 seconds and NW 3 ft at 12 seconds. .SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 12 seconds. Winds and seas higher in and near tstms. .....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 feet at 18 seconds. ACROSS THE BAR...Mixed seas 5 to 6 feet at 18 seconds. Maximum ebb current of 1.8 kt at 02:11 PM Wednesday and 2.3 kt at 02:16 AM Thursday. $$ PZZ560-180415- Coastal Waters from Pigeon Point to Point Pinos California out to 10 NM- 838 AM PDT Wed Sep 17 2025 .TODAY...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 11 seconds and S 2 ft at 17 seconds. Areas of dense fog this morning. .TONIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds and S 3 ft at 14 seconds. .THU...W wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 10 seconds and S 3 ft at 14 seconds. A chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...W wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 11 seconds and S 2 ft at 15 seconds. A chance of showers. .FRI...SW wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. A chance of showers, mainly in the morning. .FRI NIGHT...W wind around 5 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 9 seconds and S 2 ft at 13 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 10 seconds and SW 2 ft at 13 seconds. .SUN...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at 9 seconds and NW 3 ft at 12 seconds. .SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 11 seconds and SW 2 ft at 12 seconds. Winds and seas higher in and near tstms. $$ PZZ565-180415- Coastal Waters from Point Pinos to Point Piedras Blancas California out to 10 NM- 838 AM PDT Wed Sep 17 2025 .TODAY...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 10 seconds and S 2 ft at 17 seconds. Areas of dense fog this morning. A slight chance of showers late this morning and early afternoon. A slight chance of tstms late. .TONIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 10 seconds and S 3 ft at 15 seconds. A slight chance of tstms in the evening. .THU...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 3 ft at 15 seconds. A slight chance of tstms. A chance of showers in the afternoon. Patchy dense fog in the afternoon. .THU NIGHT...NW wind around 5 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 11 seconds and S 2 ft at 14 seconds. A slight chance of tstms in the evening. A chance of showers. .FRI...W wind around 5 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 11 seconds and S 2 ft at 14 seconds. A chance of showers, mainly in the morning. Patchy dense fog. .FRI NIGHT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds. .SAT...NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 10 seconds and S 2 ft at 13 seconds. .SAT NIGHT...NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 12 seconds and S 2 ft at 13 seconds. .SUN...NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 13 seconds. .SUN NIGHT...NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: SW 2 ft at 11 seconds and NW 4 ft at 12 seconds. Winds and seas higher in and near tstms. $$ PZZ530-180415- San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge- 838 AM PDT Wed Sep 17 2025 .TODAY...SW wind around 5 kt, rising to 5 to 10 kt late this morning and afternoon. .TONIGHT...SW wind 5 to 10 kt. .THU...SW wind 5 to 10 kt. A slight chance of tstms in the afternoon. .THU NIGHT...SW wind 5 to 10 kt. A slight chance of tstms in the evening. A chance of showers. .FRI...SW wind 5 to 10 kt. A chance of showers, mainly in the morning. .FRI NIGHT...SW wind 5 to 10 kt. .SAT...W wind 5 to 10 kt. .SAT NIGHT...SW wind 5 to 10 kt. .SUN...SW wind 5 to 10 kt. .SUN NIGHT...SW wind 5 to 10 kt. Winds and waves higher in and near tstms. $$ PZZ531-180415- San Francisco Bay South of the Bay Bridge- 838 AM PDT Wed Sep 17 2025 .TODAY...Light and variable winds, becoming W 10 to 15 kt. Areas of dense fog this morning. .TONIGHT...W wind 5 to 10 kt. .THU...W wind 5 to 10 kt. A chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...W wind 5 to 10 kt. A slight chance of tstms in the evening. A chance of showers. .FRI...SW wind around 5 kt, veering to W in the afternoon. A chance of showers, mainly in the morning. .FRI NIGHT...W wind 5 to 10 kt, easing to around 5 kt after midnight. .SAT...Light and variable winds, becoming W 5 to 10 kt in the afternoon. Patchy fog in the morning. .SAT NIGHT...W wind 10 to 15 kt, easing to around 5 kt after midnight. .SUN...W wind around 5 kt, rising to 5 to 10 kt in the afternoon. .SUN NIGHT...W wind 5 to 10 kt, becoming SW after midnight. Winds and waves higher in and near tstms. $$ PZZ535-180415- Monterey Bay- 838 AM PDT Wed Sep 17 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PDT THIS MORNING... .TODAY...NW wind around 5 kt, backing to W this afternoon. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds. Areas of dense fog this morning. .TONIGHT...SW wind around 5 kt. Seas around 3 ft. Wave Detail: W 2 ft at 9 seconds and S 2 ft at 14 seconds. Patchy dense fog after midnight. .THU...W wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds and S 2 ft at 14 seconds. Patchy fog in the morning. A chance of showers with a slight chance of tstms in the afternoon. .THU NIGHT...W wind around 5 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 11 seconds. Patchy fog in the evening. A chance of showers. .FRI...Light and variable winds, becoming SW around 5 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 10 seconds. Patchy fog in the morning. A chance of showers. .FRI NIGHT...W wind around 5 kt, veering to NE after midnight. Seas around 3 ft. Wave Detail: NW 3 ft at 10 seconds. Patchy fog. .SAT...Light and variable winds, becoming W 5 to 10 kt in the afternoon. Seas around 3 ft. Wave Detail: NW 2 ft at 9 seconds. Patchy fog in the morning. .SAT NIGHT...W wind 5 to 10 kt, veering to N after midnight. Seas around 3 ft. Wave Detail: W 2 ft at 10 seconds. .SUN...N wind around 5 kt, backing to W in the afternoon. Seas around 3 ft. Wave Detail: SW 2 ft at 11 seconds and NW 2 ft at 12 seconds. .SUN NIGHT...NW wind 5 to 10 kt, veering to N after midnight. Seas around 3 ft. Wave Detail: W 3 ft at 11 seconds and SW 2 ft at 11 seconds. Winds and seas higher in and near tstms. Locally lower winds and seas across sheltered portions of the bay. $$