Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

37NM N Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Sunday
⇑WNW 6kt
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
⇑WSW 6kt
< 1ft
Monday Night
W 6kt⇓
< 1ft
Tuesday
SSE 16kt
< 1ft
Tuesday Night
S 15kt
< 1ft
Wednesday
WSW 7kt
< 1ft
Wednesday Night
NW 7kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 11, 2026
Forecast Valid: 9pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Sunday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of rain after 11pm. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. A chance of rain. Waves 1 ft or less.

Monday Night

W wind around 6 kt becoming variable and less than 5 kt. A chance of rain. Waves 1 ft or less.

Tuesday

SSE wind 7 to 16 kt, with gusts as high as 23 kt. Rain. Waves 1 ft or less.

Tuesday Night

S wind 9 to 15 kt becoming W after midnight. Winds could gust as high as 24 kt. Rain. Waves 1 ft or less.

Wednesday

WSW wind 5 to 7 kt becoming SSE in the morning. Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

NW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. 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.