Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather 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 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

Small Craft Advisory until April 15, 02:00 AM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

24NM NNE Forks WA

Marine Point Forecast

[NOTICE]

Today
SW 30kt
3-4ft
Tonight
W 29kt⇓
4-6ft
Wednesday
W 15kt
3-4ft
Wednesday Night
WNW 18kt⇓
4-5ft
Thursday
W 12kt
3-4ft
Thursday Night
W 19kt
3-4ft
Friday
WSW 7kt
2-3ft
Friday Night
WNW 8kt⇓
1-2ft
Saturday
ESE 12kt
1-2ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 13, 2026
Forecast Valid: 8am PDT Apr 14, 2026-6pm PDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today

SW wind 24 to 30 kt, with gusts as high as 37 kt. Rain. . Waves 3 to 4 ft.

Tonight

W wind 24 to 29 kt decreasing to 15 to 20 kt after midnight. Rain, mainly after 5am. . Waves 4 to 6 ft.

Wednesday

W wind 12 to 15 kt. Rain before 8am, then showers and possibly a thunderstorm after 8am. . Waves 3 to 4 ft.

Wednesday Night

WNW wind 13 to 18 kt decreasing to 6 to 11 kt after midnight. A chance of rain before 11pm. . Waves 4 to 5 ft.

Thursday

W wind 6 to 12 kt. Sunny. . Waves 3 to 4 ft.

Thursday Night

W wind 10 to 19 kt. Mostly cloudy. . Waves 3 to 4 ft.

Friday

WSW wind around 7 kt. Mostly cloudy. . Waves 2 to 3 ft.

Friday Night

WNW wind 5 to 8 kt becoming variable and less than 5 kt. Mostly cloudy. . Waves 1 to 2 ft.

Saturday

ESE wind 8 to 12 kt. A slight chance of rain. . Waves 1 to 2 ft.

Winds and seas higher in and near tstms.

*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.