Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Friday
⇑N 6kt
< 1ft
Friday Night
⇑S 12kt
< 1ft
Saturday
SW 20kt
1-2ft
Saturday Night
W 17kt
1-2ft
Sunday
⇑N 6kt
< 1ft
Sunday Night
NNE 12kt
< 1ft
Monday
⇑N 15kt
< 1ft
Monday Night
NNE 16kt
1-2ft
Tuesday
N 13kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:43 am PDT Jul 31, 2026
Forecast Valid: 4am PDT Jul 31, 2026-6pm PDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Friday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming S 7 to 12 kt after midnight. Increasing clouds. Waves 1 ft or less.

Saturday

SW wind 16 to 20 kt, with gusts as high as 26 kt. A chance of rain after 11am. Waves 1 to 2 ft.

Saturday Night

W wind 7 to 17 kt becoming S in the evening. Partly cloudy. Waves 1 to 2 ft.

Sunday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 12 kt. Mostly clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming N 10 to 15 kt in the morning. Sunny. Waves 1 ft or less.

Monday Night

NNE wind 7 to 16 kt. Mostly clear. Waves 1 to 2 ft.

Tuesday

N wind 5 to 13 kt. Sunny. 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.