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

21NM NE Forks WA

Marine Point Forecast

[NOTICE]

Tuesday
SW 20kt
< 1ft
Tuesday Night
SW 19kt
< 1ft
Wednesday
WSW 11kt
< 1ft
Wednesday Night
WNW 12kt
< 1ft
Thursday
W 9kt
< 1ft
Thursday Night
WSW 13kt
< 1ft
Friday
SW 6kt⇓
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑E 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 13, 2026
Forecast Valid: 4am PDT Apr 14, 2026-6pm PDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

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

Tuesday

SW wind 13 to 20 kt, with gusts as high as 30 kt. Rain. Waves 1 ft or less.

Tuesday Night

SW wind 10 to 19 kt, with gusts as high as 27 kt. Rain likely before 2am, then rain, possibly mixed with snow. Waves 1 ft or less.

Wednesday

WSW wind 9 to 11 kt. Rain and snow showers, becoming all rain after 2pm. Some thunder is also possible. Waves 1 ft or less.

Wednesday Night

WNW wind 7 to 12 kt becoming SW after midnight. A chance of rain before 11pm. Waves 1 ft or less.

Thursday

W wind 5 to 9 kt. Sunny. Waves 1 ft or less.

Thursday Night

WSW wind 8 to 13 kt. Partly cloudy. Waves 1 ft or less.

Friday

SW wind around 6 kt becoming variable and less than 5 kt. Partly sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming E around 6 kt in the afternoon. A slight chance of rain. 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.