Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Independence Day
⇑WSW 6kt
< 1ft
Tonight
NNE 6kt⇓
< 1ft
Sunday
⇑NNE 9kt
< 1ft
Sunday Night
NNE 10kt⇓
< 1ft
Monday
Light Wind
< 1ft
Monday Night
Light Wind
< 1ft
Tuesday
⇑SW 6kt
< 1ft
Tuesday Night
WSW 8kt⇓
< 1ft
Wednesday
⇑SW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 3, 2026
Forecast Valid: 5am PDT Jul 4, 2026-6pm PDT Jul 10, 2026

View Nearby Observations

Detailed Forecast

Independence Day

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

Tonight

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming NNE 5 to 9 kt in the morning. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SW around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.

Tuesday Night

WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SW 5 to 9 kt in the morning. Mostly cloudy. 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.