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

7NM W Seattle WA

Marine Point Forecast

[NOTICE]

Late Afternoon
SSW 14kt
2ft
Tonight
SSW 12kt
1-2ft
Wednesday
⇑S 20kt
1-2ft
Wednesday Night
SW 23kt
3-4ft
Thursday
SSW 11kt
1-2ft
Thursday Night
SSW 9kt⇓
1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:25 pm PDT Mar 10, 2026
Forecast Valid: 4pm 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...

Late Afternoon

SSW wind around 14 kt, with gusts as high as 21 kt. Rain. Waves around 2 ft.

Tonight

SSW wind 9 to 12 kt. Rain, mainly before 5am. Waves 1 to 2 ft.

Wednesday

S wind 8 to 13 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 31 kt. Rain, mainly after 8am. Waves 1 to 2 ft.

Wednesday Night

SW wind 16 to 23 kt, with gusts as high as 34 kt. Rain. Waves 3 to 4 ft.

Thursday

SSW wind 9 to 11 kt. Rain. Waves 1 to 2 ft.

Thursday Night

SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Rain. Waves around 1 ft.

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. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. 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.