Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

15NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
Light Wind
< 1ft
Friday
⇑N 6kt
< 1ft
Friday Night
N 7kt⇓
< 1ft
Saturday
⇑S 11kt
< 1ft
Saturday Night
N 8kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
NNW 7kt⇓
< 1ft
Monday
⇑N 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 29, 2026
Forecast Valid: 7am PDT Jul 30, 2026-6pm PDT Aug 5, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Patchy fog before 8am. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Patchy fog after 4am. Waves 1 ft or less.

Friday

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

Friday Night

N wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming S 6 to 11 kt in the morning. Rain likely after 11am. Waves 1 ft or less.

Saturday Night

N wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A chance of rain, mainly before 11pm. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A slight chance of rain before 11am. Waves 1 ft or less.

Sunday Night

NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming N 5 to 10 kt in the afternoon. 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.