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

19NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Sunday
Light Wind
< 1ft
Sunday Night
SSW 10kt
< 1ft
Monday
SSW 12kt
1ft
Monday Night
SW 12kt
1ft
Tuesday
SSW 18kt
1ft
Tuesday Night
SSW 18kt
1ft
Wednesday
SW 10kt
< 1ft
Wednesday Night
W 7kt⇓
< 1ft
Thursday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 2am PDT Apr 12, 2026-6pm PDT Apr 18, 2026

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Detailed Forecast

Sunday

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

Sunday Night

SSW wind 6 to 10 kt. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Monday

SSW wind 10 to 12 kt. A chance of rain. Waves around 1 ft.

Monday Night

SW wind around 12 kt. A chance of rain, mainly before 11pm. Waves around 1 ft.

Tuesday

SSW wind 11 to 18 kt, with gusts as high as 25 kt. Rain. Waves around 1 ft.

Tuesday Night

SSW wind 11 to 18 kt, with gusts as high as 24 kt. Rain, mainly before 11pm. Waves around 1 ft.

Wednesday

SW wind 8 to 10 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

W wind 5 to 7 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.