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

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 CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

11NM SE Point Arena CA

Marine Point Forecast

[NOTICE]

This Afternoon
NW 18kt
4ft

Small Craft Advisory
Tonight
NNW 16kt
3-4ft

Small Craft Advisory
Wednesday
WNW 12kt
3ft
Wednesday Night
NNW 17kt
6ft

Small Craft Advisory
Thursday
NNW 19kt
5-6ft

Small Craft Advisory
Thursday Night
N 21kt⇓
6ft
Friday
NW 11kt
4ft
Friday Night
NNW 9kt
4ft
Saturday
Light Wind
2-3ft

Associated Zone Forecast which includes this point

Last Update: 2:16 pm PDT Apr 14, 2026
Forecast Valid: 2pm PDT Apr 14, 2026-6pm PDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NW wind 16 to 18 kt. Sunny. Mixed swell...WNW 3 ft at 8 seconds and SW 2 ft at 14 seconds. Wind waves around 3 ft.

Tonight

NNW wind 12 to 16 kt. Increasing clouds. Mixed swell...WNW 3 to 4 ft at 7 seconds and SW 2 ft at 13 seconds. Wind waves 2 to 3 ft.

Wednesday

WNW wind 10 to 12 kt. Cloudy, then gradually becoming mostly sunny. Mixed swell...WNW 2 to 3 ft at 7 seconds and S 2 ft at 15 seconds. Wind waves around 2 ft.

Wednesday Night

WNW wind 11 to 17 kt becoming NNW after midnight. Mostly cloudy during the early evening, then gradual clearing. Mixed swell...WNW 6 ft and S 3 ft. Wind waves 2 to 3 ft.

Thursday

NNW wind 16 to 19 kt. Sunny. Mixed swell...WNW 6 to 7 ft and SSW 1 ft. Wind waves around 3 ft.

Thursday Night

N wind 16 to 21 kt decreasing to 8 to 13 kt after midnight. Clear. Mixed swell...NW 7 ft and SSW 1 to 3 ft. Wind waves 2 to 4 ft.

Friday

N wind 6 to 11 kt becoming NW in the afternoon. Sunny. Mixed swell...N 5 ft and SSW 1 to 2 ft. Wind waves 1 to 2 ft.

Friday Night

NNW wind 6 to 9 kt. Partly cloudy. Mixed swell...WNW 4 ft and SW 2 ft. Wind waves around 1 ft.

Saturday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...WNW 3 ft and SW 2 to 3 ft becoming S. Wind waves 1 ft or less.

*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.