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

Small Craft Advisory in effect from March 10, 10:00 AM PDT until March 10, 11:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

13NM S Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SSW 19kt
2ft

Small Craft Advisory
Tonight
SSW 17kt
1-2ft

Small Craft Advisory
Wednesday
S 10kt
< 1ft
Wednesday Night
SW 21kt
1-2ft
Thursday
SSW 17kt
1-2ft
Thursday Night
S 11kt
1ft
Friday
WSW 11kt
< 1ft
Friday Night
SSE 6kt
< 1ft
Saturday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:01 am PDT Mar 10, 2026
Forecast Valid: 12pm PDT Mar 10, 2026-6pm PDT Mar 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM PDT THIS MORNING

This Afternoon

SSW wind 17 to 19 kt, with gusts as high as 25 kt. Rain. Waves around 2 ft.

Tonight

SSW wind 14 to 17 kt. Rain, mainly before 11pm. Waves 1 to 2 ft.

Wednesday

SW wind 5 to 10 kt becoming SSE in the morning. Rain. Waves 1 ft or less.

Wednesday Night

SW wind 14 to 21 kt, with gusts as high as 29 kt. Rain. Waves 1 to 2 ft.

Thursday

SSW wind 12 to 17 kt. Rain. Waves 1 to 2 ft.

Thursday Night

S wind 8 to 11 kt. Rain. Waves around 1 ft.

Friday

WSW wind 7 to 11 kt. Rain. Waves 1 ft or less.

Friday Night

SSE wind around 6 kt becoming SSW in the evening. Rain. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers. 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.