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

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
SSW 13kt
< 1ft
Monday
SW 13kt
1ft
Monday Night
SW 15kt
1ft
Tuesday
SSW 21kt
1-2ft
Tuesday Night
SSW 22kt
1-2ft
Wednesday
SW 13kt
1ft
Wednesday Night
WSW 7kt⇓
< 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

View Nearby Observations

Detailed Forecast

Today

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

Tonight

SSW wind 6 to 13 kt. A chance of rain, mainly after 1am. Waves 1 ft or less.

Monday

SW wind around 13 kt. A chance of rain. Waves around 1 ft.

Monday Night

SW wind around 15 kt. A chance of rain, mainly before 11pm. Waves around 1 ft.

Tuesday

SSW wind 15 to 21 kt. Rain, mainly after 11am. Waves 1 to 2 ft.

Tuesday Night

SSW wind 15 to 22 kt, with gusts as high as 28 kt. Rain, mainly before 11pm. Waves 1 to 2 ft.

Wednesday

SW wind 11 to 13 kt. A chance of rain, then showers and possibly a thunderstorm after 11am. Waves around 1 ft.

Wednesday Night

WSW 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. 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.