Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

For More Weather Information:

Seattle, WA Local Forecast Office

35NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SSW 13kt
< 1ft

Small Craft Advisory
Tonight
SSW 11kt
< 1ft

Small Craft Advisory
Wednesday
⇑SSW 22kt
< 1ft
Wednesday Night
WSW 29kt
< 1ft
Thursday
SW 16kt
< 1ft
Thursday Night
SW 12kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑W 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Mar 10, 2026
Forecast Valid: 2pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

This Afternoon

SSW wind around 13 kt. Rain. Waves 1 ft or less.

Tonight

SSW wind 6 to 11 kt. Rain, mainly before 5am. Waves 1 ft or less.

Wednesday

SSW wind 5 to 10 kt increasing to 17 to 22 kt in the afternoon. Winds could gust as high as 32 kt. Rain. Waves 1 ft or less.

Wednesday Night

WSW wind 24 to 29 kt, with gusts as high as 39 kt. Rain. Waves 1 ft or less.

Thursday

SW wind 13 to 16 kt. Rain. Waves 1 ft or less.

Thursday Night

SW wind 7 to 12 kt becoming variable and less than 5 kt in the evening. Rain. Waves 1 ft or less.

Friday

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

Friday Night

Variable winds 5 kt or less. Rain before 2am, then rain likely, possibly mixed with snow. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. A chance of rain and snow before 11am, then a chance of 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.