Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from March 16, 05:00 AM PDT until March 17, 05:00 AM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
SSW 11kt
< 1ft

Small Craft Advisory
Tonight
SSW 10kt
< 1ft

Small Craft Advisory
Tuesday
SSW 10kt
< 1ft
Tuesday Night
SSW 9kt
< 1ft
Wednesday
SSW 9kt
< 1ft
Wednesday Night
SSW 9kt
< 1ft
Thursday
SSW 12kt
< 1ft
Thursday Night
SSW 11kt
< 1ft
Friday
SSW 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:00 am PDT Mar 16, 2026
Forecast Valid: 10am PDT Mar 16, 2026-6pm PDT Mar 22, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today

SSW wind 8 to 11 kt. Rain likely, mainly before 1pm. Waves 1 ft or less.

Tonight

SSW wind 8 to 10 kt. Rain, mainly after 1am. Waves 1 ft or less.

Tuesday

SSW wind 8 to 10 kt. Rain. Waves 1 ft or less.

Tuesday Night

SSW wind around 9 kt. Rain. Waves 1 ft or less.

Wednesday

SSW wind around 9 kt. Rain. Waves 1 ft or less.

Wednesday Night

SSW wind 7 to 9 kt. Rain. Waves 1 ft or less.

Thursday

SSW wind 9 to 12 kt. Rain. Waves 1 ft or less.

Thursday Night

SSW wind 8 to 11 kt. Rain. Waves 1 ft or less.

Friday

SSW wind around 8 kt. Rain. 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.