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

19NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Today
SSW 7kt⇓
< 1ft
Tonight
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
SSW 9kt
< 1ft
Monday
SSW 12kt
1ft
Monday Night
SSW 12kt
1ft
Tuesday
SSW 17kt
1ft
Tuesday Night
SSW 14kt
1ft
Wednesday
SW 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Apr 10, 2026
Forecast Valid: 8am PDT Apr 11, 2026-6pm PDT Apr 17, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Rain before 3pm, then a slight chance of rain after 5pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of rain before 8pm. Waves 1 ft or less.

Sunday

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

Sunday Night

SSW wind 5 to 9 kt. A chance of rain. Waves 1 ft or less.

Monday

SSW wind 10 to 12 kt. A chance of rain. Waves around 1 ft.

Monday Night

SSW wind around 12 kt. A chance of rain before 11pm. Waves around 1 ft.

Tuesday

SSW wind 11 to 17 kt, with gusts as high as 24 kt. Rain, mainly after 11am. Waves around 1 ft.

Tuesday Night

SSW wind 10 to 14 kt, with gusts as high as 20 kt. Rain. Waves around 1 ft.

Wednesday

SW wind around 8 kt. A chance of rain, then showers likely 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.