Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

23NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Today
S 9kt
1ft
Tonight
⇑S 9kt
< 1ft
Tuesday
S 12kt
1ft
Tuesday Night
NNW 7kt⇓
1ft
Wednesday
⇑N 6kt
< 1ft
Wednesday Night
NNW 7kt⇓
< 1ft
Thursday
⇑N 6kt
< 1ft
Thursday Night
NNW 8kt⇓
< 1ft
Friday
⇑N 6kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 pm PDT Jul 26, 2026
Forecast Valid: 8am PDT Jul 27, 2026-6pm PDT Aug 2, 2026

View Nearby Observations

Detailed Forecast

Today

S wind 7 to 9 kt. Sunny. Waves around 1 ft.

Tonight

Variable winds less than 5 kt becoming S 5 to 9 kt after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

S wind 8 to 12 kt becoming NNW in the afternoon. Winds could gust as high as 20 kt. A chance of rain between 11am and 2pm. Waves around 1 ft.

Tuesday Night

NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Patchy fog after 5am. Waves around 1 ft.

Wednesday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Patchy fog before 8am. Waves 1 ft or less.

Wednesday Night

NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Patchy fog after 5am. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming N around 6 kt in the afternoon. Patchy fog before 8am. Waves 1 ft or less.

Thursday Night

NNW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Mostly clear. 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.

*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.