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

26NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
SW 11kt
< 1ft
Monday
SW 14kt
1ft
Monday Night
SW 14kt
1ft
Tuesday
SSW 20kt
1ft
Tuesday Night
SSW 20kt
1ft
Wednesday
SSW 12kt
1ft
Wednesday Night
WSW 8kt⇓
< 1ft
Thursday
⇑SW 6kt
< 1ft

Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast

Today

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

Tonight

SW wind 7 to 11 kt. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Monday

SW wind 11 to 14 kt. A chance of rain. Waves around 1 ft.

Monday Night

SW wind 12 to 14 kt. A chance of rain, mainly before 11pm. Waves around 1 ft.

Tuesday

SSW wind 12 to 20 kt. Rain, mainly after 11am. Waves around 1 ft.

Tuesday Night

SSW wind 12 to 20 kt. Rain, mainly before 11pm. Waves around 1 ft.

Wednesday

SSW wind 9 to 12 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves around 1 ft.

Wednesday Night

WSW wind 5 to 8 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 SW around 6 kt in the afternoon. 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.