Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

21NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
Light Wind
< 1ft
Wednesday
⇑NNW 8kt
< 1ft
Wednesday Night
NNW 8kt⇓
< 1ft
Thursday
⇑NNW 6kt
< 1ft
Thursday Night
NNW 8kt⇓
< 1ft
Friday
⇑W 7kt
< 1ft
Friday Night
NNW 9kt⇓
< 1ft
Saturday
⇑SSE 6kt
< 1ft
Saturday Night
NNW 7kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 8:01 pm PDT Jul 15, 2025
Forecast Valid: 12am PDT Jul 16, 2025-6pm PDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Overnight

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

Wednesday

Variable winds less than 5 kt becoming NNW 5 to 8 kt in the afternoon. Sunny. Waves 1 ft or less.

Wednesday Night

NNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming NNW around 6 kt in the afternoon. Sunny. 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 W 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Friday Night

NNW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

NNW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly 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.