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 NW Seattle WA

Marine Point Forecast

[NOTICE]

Sunday
N 7kt
< 1ft
Sunday Night
⇑S 10kt
< 1ft
Monday
S 10kt
1ft
Monday Night
S 15kt
1ft
Tuesday
S 26kt
2-3ft
Tuesday Night
S 29kt⇓
1-3ft
Wednesday
SSW 11kt
< 1ft
Wednesday Night
WNW 7kt⇓
< 1ft
Thursday
⇑S 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 11, 2026
Forecast Valid: 3am PDT Apr 12, 2026-6pm PDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Sunday

N wind 5 to 7 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming S 5 to 10 kt in the evening. A chance of rain. Waves 1 ft or less.

Monday

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

Monday Night

S wind 10 to 15 kt. A chance of rain. Waves around 1 ft.

Tuesday

S wind 19 to 26 kt. Rain. Waves 2 to 3 ft.

Tuesday Night

S wind 24 to 29 kt decreasing to 10 to 15 kt after midnight. Rain, mainly before 11pm. Waves 1 to 3 ft.

Wednesday

S wind 9 to 11 kt becoming WSW in the afternoon. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Wednesday Night

WNW 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 less than 5 kt becoming S 5 to 7 kt in the morning. 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.