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

11NM N Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 16kt
< 1ft
Tonight
S 14kt
< 1ft
Wednesday
⇑S 29kt
< 1ft
Wednesday Night
SSW 32kt
< 1ft
Thursday
WNW 17kt
< 1ft
Thursday Night
S 7kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
WNW 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Mar 10, 2026
Forecast Valid: 3pm PDT Mar 10, 2026-6pm PDT Mar 17, 2026

View Nearby Observations

Detailed Forecast

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

This Afternoon

S wind around 16 kt, with gusts as high as 23 kt. Rain. Waves 1 ft or less.

Tonight

S wind 9 to 14 kt, with gusts as high as 21 kt. Rain, mainly before 5am. Waves 1 ft or less.

Wednesday

S wind 9 to 19 kt increasing to 19 to 29 kt in the afternoon. Rain, mainly after 8am. Waves 1 ft or less.

Wednesday Night

S wind 23 to 32 kt becoming W after midnight. Rain. Waves 1 ft or less.

Thursday

WNW wind 7 to 17 kt becoming S in the morning. Rain. Waves 1 ft or less.

Thursday Night

S wind 5 to 7 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 11am. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Rain before 11pm, then rain likely, possibly mixed with snow. Waves 1 ft or less.

Saturday

WSW wind around 6 kt becoming WNW in the afternoon. Rain likely, possibly mixed with snow before 2pm, 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.