Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

13NM S Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
SSW 8kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
⇑S 8kt
< 1ft
Monday
S 13kt
1ft
Monday Night
S 11kt
1ft

Associated Zone Forecast which includes this point

Last Update: 8:01 pm PDT Mar 12, 2026
Forecast Valid: 10pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Rain. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Rain, possibly mixed with snow, becoming all rain after 1pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Rain. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. Rain likely before 8am, then rain and snow likely between 8am and 11am, then a chance of rain after 11am. 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. Rain likely, mainly after 11am. Waves 1 ft or less.

Sunday Night

Variable winds less than 5 kt becoming S 5 to 8 kt in the evening. Rain. Waves 1 ft or less.

Monday

S wind 10 to 13 kt. Rain likely. Waves around 1 ft.

Monday Night

S wind 9 to 11 kt. A chance of 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.