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]

This Afternoon
Light Wind
< 1ft
Tonight
⇑SSW 6kt
< 1ft
Saturday
SSW 8kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
SSW 12kt
< 1ft
Monday
SW 13kt
1ft
Monday Night
SSW 12kt
1ft
Tuesday
SSW 17kt
1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 10, 2026
Forecast Valid: 12pm PDT Apr 10, 2026-6pm PDT Apr 16, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds less than 5 kt becoming SSW around 6 kt after midnight. Rain likely, mainly after 5am. Waves 1 ft or less.

Saturday

SSW wind 5 to 8 kt. Rain, mainly before noon. Waves 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

W wind 6 to 12 kt becoming SSW after midnight. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Monday

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

Monday Night

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

Tuesday

SSW wind 12 to 17 kt, with gusts as high as 23 kt. Rain. Waves around 1 ft.

*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.