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

23NM N Seattle WA

Marine Point Forecast

[NOTICE]

Today
⇑WNW 7kt
< 1ft
Tonight
Light Wind
< 1ft
Monday
SSE 6kt
< 1ft
Monday Night
⇑SSE 9kt
< 1ft
Tuesday
S 21kt
1-2ft
Tuesday Night
S 22kt⇓
1-2ft
Wednesday
SSW 7kt
< 1ft
Wednesday Night
NW 6kt⇓
< 1ft
Thursday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 7am PDT Apr 12, 2026-6pm PDT Apr 18, 2026

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Detailed Forecast

Today

Variable winds less than 5 kt becoming WNW 5 to 7 kt in the afternoon. A slight chance of rain after 5pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Rain likely, mainly between 3am and 4am. Waves 1 ft or less.

Monday

ESE wind around 6 kt becoming S in the afternoon. Rain likely, mainly before 11am. Waves 1 ft or less.

Monday Night

Variable winds less than 5 kt becoming SSE 5 to 9 kt after midnight. Rain likely, mainly after 11pm. Waves 1 ft or less.

Tuesday

S wind 13 to 21 kt, with gusts as high as 29 kt. Rain. Waves 1 to 2 ft.

Tuesday Night

S wind 17 to 22 kt becoming WSW 8 to 13 kt in the evening. Winds could gust as high as 32 kt. Rain. Waves 1 to 2 ft.

Wednesday

SSE wind around 7 kt becoming W in the afternoon. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

NW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of rain. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. Mostly 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.