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

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Saturday
SSW 6kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
WSW 7kt
< 1ft
Monday
SW 11kt
< 1ft
Monday Night
SSW 10kt
< 1ft
Tuesday
SSW 13kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Apr 9, 2026
Forecast Valid: 10am PDT Apr 10, 2026-6pm PDT Apr 16, 2026

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Detailed Forecast

Today

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers, mainly after 3am. Waves 1 ft or less.

Saturday

SSW wind around 6 kt. Showers likely, mainly before 11am. Waves 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

WSW wind around 7 kt. A chance of showers, mainly before 11pm. Waves 1 ft or less.

Monday

SW wind 6 to 11 kt. A chance of showers, mainly after 11am. Waves 1 ft or less.

Monday Night

SSW wind 8 to 10 kt. A slight chance of rain. Waves 1 ft or less.

Tuesday

SSW wind 8 to 13 kt. Rain likely. 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.