Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Hazardous Weather Conditions

Small Craft Advisory until April 14, 03:00 AM PDT

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

13NM WNW San Francisco CA

Marine Point Forecast

[NOTICE]

Tonight
NW 17kt
4ft

Small Craft Advisory
Tuesday
WNW 17kt
3-4ft
Tuesday Night
WNW 18kt
4ft
Wednesday
NW 16kt
4ft
Wednesday Night
WNW 17kt
3-5ft
Thursday
NNW 18kt
4-5ft
Thursday Night
NW 19kt
4ft
Friday
WNW 9kt
3ft
Friday Night
NW 12kt
3ft

Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Apr 13, 2026
Forecast Valid: 9pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

NW wind 15 to 17 kt. Mostly clear. Mixed swell...WNW 4 ft at 7 seconds and SSW 2 ft at 14 seconds. Wind waves around 3 ft.

Tuesday

WNW wind 11 to 17 kt. Sunny. Mixed swell...WNW 2 to 4 ft at 7 seconds and SSW 2 ft at 14 seconds. Wind waves 2 to 3 ft.

Tuesday Night

WNW wind 16 to 18 kt. Partly cloudy. Mixed swell...WNW 3 ft at 7 seconds and SSW 1 to 2 ft at 14 seconds. Wind waves around 3 ft.

Wednesday

NW wind 14 to 16 kt, with gusts as high as 22 kt. Partly sunny. Mixed swell...WNW 2 to 3 ft and SSW 1 ft. Wind waves 2 to 3 ft.

Wednesday Night

WNW wind 15 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves around 3 ft.

Thursday

NNW wind 14 to 18 kt, with gusts as high as 24 kt. Sunny. Mixed swell...WNW 3 to 5 ft and SSW 1 ft. Wind waves around 3 ft.

Thursday Night

NW wind 11 to 19 kt, with gusts as high as 25 kt. Clear. Mixed swell...WNW 4 ft and SSW 1 ft. Wind waves 2 to 3 ft.

Friday

N wind 6 to 9 kt becoming WNW in the afternoon. Sunny. Mixed swell...NW 3 ft and SSW 1 ft. Wind waves around 1 ft.

Friday Night

NW wind 6 to 12 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SSW 1 to 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.