Unsettled Weather Continues in the Northwest; Ice & Snow to Develop Across Parts of the Central U.S.

Unsettled weather will persist across the western U.S. during the next few days with locally heavy coastal rain and mountain snow for much of the Pacific Northwest. Another weather system will affect parts of the Southwest and central United States with snow and mixed precipitation developing from Oklahoma northeastward into the Great Lakes.
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Hazardous Weather Conditions

Small Craft Advisory until January 22, 03:00 PM PST

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

19NM S San Francisco CA

Marine Point Forecast

[NOTICE]

Today

S 20kt
9ft

Small Craft Advisory
Tonight

S 11kt
10ft

Small Craft Advisory
Wednesday

ENE 10kt
8-9ft

Small Craft Advisory
Wednesday
Night
ENE 13kt
6-7ft
Thursday

ENE 10kt
4-5ft
Thursday
Night
NNW 10kt
4-5ft
Friday

NW 6kt
7-8ft
Friday
Night
Light Wind
9ft
Saturday

Light Wind
8ft

Associated Zone Forecast which includes this point

Last Update: 4:02 am PST Jan 21, 2020
Forecast Valid: 11am PST Jan 21, 2020-6pm PST Jan 27, 2020

View Nearby Observations

Detailed Forecast

Synopsis: PZZ500-220445- 819 AM PST Tue Jan 21 2020 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Expect moderate to locally breezy southerly winds through this morning as a cold front approaches and moves through the waters during the remainder of the day. A longer period northwest swell will build today before peaking midweek generating hazardous seas conditions for smaller vessels. Another long period northwest swell will then arrive later this week. $$

Today

S wind around 20 kt. Rain likely. W swell 8 ft at 16 seconds. Wind waves around 4 ft.

Tonight

S wind 6 to 11 kt becoming variable and less than 5 kt in the evening. Rain likely, mainly before 10pm. Mixed swell...W 10 ft at 15 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 ft.

Wednesday

ENE wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Mixed swell...W 8 to 9 ft at 14 seconds and SSW 1 ft at 15 seconds. Wind waves around 1 ft.

Wednesday Night

ENE wind 6 to 13 kt. Partly cloudy. Mixed swell...W 6 to 7 ft and SSW 1 ft. Wind waves around 1 ft.

Thursday

ENE wind 5 to 10 kt becoming variable and less than 5 kt in the morning. Partly sunny. Mixed swell...W 4 to 5 ft and SSW 1 ft becoming WSW. Wind waves around 1 ft.

Thursday Night

NNW wind 8 to 10 kt. Mostly cloudy. Mixed swell...W 4 ft and W 2 ft. Wind waves around 1 ft.

Friday

Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Partly sunny. Mixed swell...W 5 ft and W 6 ft. Wind waves around 1 ft.

Friday Night

Variable winds 5 kt or less. A slight chance of rain. Mixed swell...W 9 ft and ...becoming W 9 ft. Wind waves around 1 ft.

Saturday

Variable winds 5 kt or less. A chance of rain. Mixed swell...W 8 ft and SSW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Seas 4 to 6 ft with a dominant period of 11 seconds. ACROSS THE BAR...Seas 5 to 7 ft with a dominant period of 11 seconds. Maximum ebb current of 3.4 kt at 01:31 PM Tuesday and 1.6 kt at 02:13 AM Wednesday.

*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.