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 15, 03:00 AM PDT

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

37NM SSE Point Arena CA

Marine Point Forecast

[NOTICE]

Tonight
NW 22kt
7ft

Small Craft Advisory
Tuesday
NW 22kt
6-7ft

Small Craft Advisory
Tuesday Night
NW 22kt
5-7ft

Small Craft Advisory
Wednesday
NW 18kt
4-5ft
Wednesday Night
NNW 22kt
8ft
Thursday
NNW 24kt
8-9ft
Thursday Night
NNW 26kt
8-9ft
Friday
NNW 14kt
6-7ft
Friday Night
NW 18kt
5-6ft

Associated Zone Forecast which includes this point

Last Update: 1:26 pm PDT Apr 13, 2026
Forecast Valid: 10pm PDT Apr 13, 2026-6pm PDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...

Tonight

NW wind 20 to 22 kt. Mostly clear. Mixed swell...WNW 5 ft at 8 seconds and SSW 1 to 3 ft at 14 seconds. Wind waves around 4 ft.

Tuesday

NW wind 18 to 22 kt. Sunny. Mixed swell...WNW 3 to 5 ft at 8 seconds and SW 3 ft at 14 seconds. Wind waves 3 to 4 ft.

Tuesday Night

NW wind 19 to 22 kt. Partly cloudy. Mixed swell...NW 4 ft at 7 seconds and SSW 1 to 2 ft at 14 seconds. Wind waves 3 to 4 ft.

Wednesday

NW wind 16 to 18 kt. Partly sunny. Mixed swell...WNW 2 to 3 ft and S 2 ft. Wind waves around 3 ft.

Wednesday Night

NNW wind 16 to 22 kt. Partly cloudy. Mixed swell...NW 7 ft and SSW 2 ft. Wind waves 3 to 4 ft.

Thursday

NNW wind 22 to 24 kt. Sunny. Mixed swell...NW 6 to 7 ft and SSW 1 to 2 ft. Wind waves around 4 ft.

Thursday Night

NNW wind 17 to 26 kt, with gusts as high as 32 kt. Mostly clear. Mixed swell...NW 7 to 8 ft and SSW 1 ft. Wind waves 4 to 5 ft.

Friday

NNW wind 10 to 14 kt. Sunny. Mixed swell...NNW 5 to 6 ft and SSW 1 to 2 ft. Wind waves around 2 ft.

Friday Night

NW wind 16 to 18 kt. Mostly cloudy. Mixed swell...NW 4 ft and SSW 1 ft. Wind waves around 3 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.