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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until April 13, 06:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

21NM NE Forks WA

Marine Point Forecast

[NOTICE]

Today
W 17kt
< 1ft
Tonight
WSW 17kt
< 1ft
Tuesday
SW 19kt
< 1ft
Tuesday Night
WSW 20kt
< 1ft
Wednesday
WSW 12kt
< 1ft
Wednesday Night
WNW 12kt
< 1ft
Thursday
W 10kt
< 1ft
Thursday Night
WSW 10kt
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 12, 2026
Forecast Valid: 8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026

View Nearby Observations

Detailed Forecast

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

Today

W wind 14 to 17 kt, with gusts as high as 24 kt. A chance of rain before 3pm, then a slight chance of rain after 4pm. Waves 1 ft or less.

Tonight

WSW wind 11 to 17 kt, with gusts as high as 23 kt. Rain likely, mainly after 2am. Waves 1 ft or less.

Tuesday

SW wind 12 to 19 kt, with gusts as high as 30 kt. Rain. Waves 1 ft or less.

Tuesday Night

WSW wind 11 to 20 kt, with gusts as high as 30 kt. Rain, mainly before 11pm. Waves 1 ft or less.

Wednesday

WSW wind 8 to 12 kt. Rain likely, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

WNW wind 6 to 12 kt becoming SW after midnight. A chance of rain before 11pm. Waves 1 ft or less.

Thursday

SSW wind 5 to 10 kt becoming W in the afternoon. Sunny. Waves 1 ft or less.

Thursday Night

WSW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Partly sunny. 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.