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20NM W San Francisco CA

[NOTICE]

Last Update: 12:26 am PST Jan 13, 2026
Forecast Valid: 4am PST Jan 13, 2026-6pm PST Jan 19, 2026

Tuesday

ENE wind 9 to 13 kt. Sunny. Mixed swell...W 5 to 6 ft at 13 seconds and S 1 ft at 12 seconds. Wind waves around 2 ft.

Tuesday Night

N wind 7 to 9 kt. Mostly clear. Mixed swell...W 5 ft at 13 seconds and SSW 1 to 2 ft at 8 seconds becoming S at 11 seconds . Wind waves around 1 ft.

Wednesday

NNE wind around 9 kt. Sunny. Mixed swell...W 5 ft at 13 seconds and SSW 1 ft at 11 seconds. Wind waves around 1 ft.

Wednesday Night

NNE wind around 9 kt. Mostly clear. Mixed swell...WNW 5 ft and S 1 ft. Wind waves around 1 ft.

Thursday

ENE wind around 13 kt. Sunny. Mixed swell...WNW 5 ft and SSE 1 ft. Wind waves around 2 ft.

Thursday Night

ENE wind around 9 kt. Mostly clear. Mixed swell...WNW 4 ft and SSE 1 ft. Wind waves around 1 ft.

Friday

ENE wind around 12 kt. Sunny. Mixed swell...WNW 4 ft and SSE 1 ft. Wind waves around 2 ft.

Friday Night

NE wind around 9 kt. Mostly clear. Mixed swell...WNW 3 ft and S 1 ft. Wind waves around 1 ft.

Saturday

ENE wind around 11 kt. Sunny. Mixed swell...NW 2 to 3 ft and S 1 ft. Wind waves around 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.