Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

10NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

Today
S 24kt
3-4ft

Small Craft Advisory
Tonight
SW 23kt
4-5ft

Small Craft Advisory
Sunday
WSW 22kt
7ft

Small Craft Advisory
Sunday Night
W 12kt
5-6ft
Monday
⇑WNW 10kt
4ft
Monday Night
NW 13kt
3-4ft
Tuesday
NW 13kt
3-4ft
Tuesday Night
NW 14kt
3-4ft
Wednesday
NW 15kt
3-4ft

Associated Zone Forecast which includes this point

Last Update: 2:38 am PDT Apr 11, 2026
Forecast Valid: 9am PDT Apr 11, 2026-6pm PDT Apr 17, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 16 to 24 kt, with gusts as high as 32 kt. A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm. Mixed swell...NW 2 ft at 12 seconds and SSW 1 ft at 6 seconds. Wind waves 3 to 4 ft.

Tonight

SW wind 19 to 23 kt, with gusts as high as 32 kt. Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mixed swell...NW 3 ft at 11 seconds and SW 4 ft at 6 seconds. Wind waves around 4 ft.

Sunday

WSW wind 15 to 22 kt, with gusts as high as 29 kt. Showers and possibly a thunderstorm. Mixed swell...W 8 ft at 11 seconds and SSW 6 ft at 7 seconds becoming 2 ft at 15 seconds . Wind waves 3 to 4 ft.

Sunday Night

W wind 5 to 12 kt. A slight chance of rain before 11pm. Mixed swell...W 5 to 6 ft and SSW 2 ft. Wind waves 1 to 2 ft.

Monday

Variable winds less than 5 kt becoming WNW 5 to 10 kt in the morning. Mostly sunny. Mixed swell...W 3 to 4 ft and SW 2 ft. Wind waves 1 to 2 ft.

Monday Night

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

Tuesday

NW wind 10 to 13 kt. Mostly sunny. Mixed swell...WNW 2 to 3 ft and SW 1 to 2 ft becoming S. Wind waves around 2 ft.

Tuesday Night

NW wind around 14 kt. Mostly clear. Mixed swell...WNW 4 ft and SSW 1 to 2 ft. Wind waves around 2 ft.

Wednesday

NW wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Mixed swell...WNW 3 ft and SSW 1 to 2 ft. Wind waves around 2 ft.

Winds and seas higher in and near tstms. .....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 feet at 13 seconds. ACROSS THE BAR...Swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.4 kt at 12:27 PM Saturday and 1.4 kt at 01:39 AM Sunday.

*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.