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

41NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Sunday
⇑W 8kt
< 1ft
Sunday Night
SW 12kt
< 1ft
Monday
WSW 14kt
< 1ft
Monday Night
WSW 15kt
< 1ft
Tuesday
SSW 18kt
< 1ft
Tuesday Night
SW 12kt
< 1ft
Wednesday
W 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Apr 11, 2026
Forecast Valid: 1pm PDT Apr 11, 2026-6pm PDT Apr 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of rain, mainly before 2pm. Waves 1 ft or less.

Tonight

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

Sunday

Variable winds less than 5 kt becoming W 5 to 8 kt in the afternoon. A slight chance of rain after 3pm. Waves 1 ft or less.

Sunday Night

SW wind 9 to 12 kt. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Monday

WSW wind 12 to 14 kt, with gusts as high as 20 kt. A chance of rain. Waves 1 ft or less.

Monday Night

WSW wind 11 to 15 kt. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Tuesday

SSW wind 12 to 18 kt, with gusts as high as 25 kt. Rain. Waves 1 ft or less.

Tuesday Night

SW wind 7 to 12 kt, with gusts as high as 20 kt. Rain. Waves 1 ft or less.

Wednesday

SSW wind 6 to 10 kt becoming W in the afternoon. A chance of rain, then showers and possibly a thunderstorm after 11am. 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.