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20NM W San Francisco CA

[NOTICE]

Last Update: 3:21 am PDT Sep 26, 2026
Forecast Valid: 4am PDT Sep 26, 2026-6pm PDT Oct 2, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

Saturday

NW wind 8 to 13 kt. Partly sunny. Mixed swell...WNW 5 to 6 ft at 9 seconds and SSW 2 ft at 13 seconds. Wind waves 1 to 2 ft.

Saturday Night

NW wind 11 to 13 kt. Mostly cloudy. Mixed swell...WNW 5 ft at 9 seconds and SSW 2 ft at 13 seconds. Wind waves around 2 ft.

Sunday

WNW wind around 14 kt. Partly sunny. Mixed swell...WNW 4 ft at 8 seconds and SSW 2 ft at 12 seconds. Wind waves around 2 ft.

Sunday Night

NW wind 12 to 15 kt. Partly cloudy. Mixed swell...WNW 5 ft and S 2 ft. Wind waves around 2 ft.

Monday

NW wind 5 to 9 kt becoming variable and less than 5 kt. Mostly sunny. Mixed swell...WNW 5 ft and S 1 to 2 ft. Wind waves around 1 ft.

Monday Night

NW wind 10 to 14 kt. Mostly clear. Mixed swell...WNW 6 ft and S 1 to 2 ft. Wind waves around 2 ft.

Tuesday

NNW wind 7 to 12 kt. Sunny. Mixed swell...WNW 5 to 6 ft and S 1 ft. Wind waves 1 to 2 ft.

Tuesday Night

NW wind 13 to 16 kt. Mostly clear. Mixed swell...WNW 6 ft and SSW 2 ft. Wind waves 2 to 3 ft.

Wednesday

NW wind 7 to 11 kt. Mostly sunny. Mixed swell...WNW 5 to 6 ft and SSW 2 ft. Wind waves 1 to 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.