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

7NM W Seattle WA

Marine Point Forecast

[NOTICE]

Sunday
Light Wind
< 1ft
Sunday Night
⇑S 8kt
< 1ft
Monday
SSW 8kt
1ft
Monday Night
S 10kt
1ft
Tuesday
S 18kt
2-3ft
Tuesday Night
SSW 19kt⇓
1-3ft
Wednesday
SSW 8kt
1ft
Wednesday Night
WNW 6kt⇓
< 1ft
Thursday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026

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Detailed Forecast

Sunday

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

Sunday Night

Variable winds less than 5 kt becoming S 5 to 8 kt in the evening. A chance of rain, mainly after 2am. Waves 1 ft or less.

Monday

SSW wind around 8 kt. A chance of rain. Waves around 1 ft.

Monday Night

S wind 8 to 10 kt. A chance of rain. Waves around 1 ft.

Tuesday

S wind 11 to 18 kt, with gusts as high as 27 kt. Rain. Waves 2 to 3 ft.

Tuesday Night

SSW wind 14 to 19 kt decreasing to 7 to 12 kt after midnight. Winds could gust as high as 29 kt. Rain, mainly before 11pm. Waves 1 to 3 ft.

Wednesday

SSW wind 6 to 8 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves around 1 ft.

Wednesday Night

WNW 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. 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.