Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

29NM NNW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
⇑SE 8kt
< 1ft
Tuesday
SSE 18kt
< 1ft
Tuesday Night
WNW 11kt⇓
< 1ft
Wednesday
⇑NNW 9kt
< 1ft
Wednesday Night
NW 10kt⇓
< 1ft
Thursday
⇑NNW 7kt
< 1ft
Thursday Night
NW 9kt⇓
< 1ft
Friday
⇑NNW 7kt
< 1ft
Friday Night
NW 9kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 27, 2026
Forecast Valid: 11pm PDT Jul 27, 2026-6pm PDT Aug 3, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds less than 5 kt becoming SE 5 to 8 kt after midnight. Partly cloudy. Waves 1 ft or less.

Tuesday

SSE wind 9 to 18 kt becoming NNW in the afternoon. A slight chance of rain after noon. Waves 1 ft or less.

Tuesday Night

WNW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NNW 5 to 9 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Wednesday Night

NW wind 5 to 10 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 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Thursday Night

NW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

NW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. 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.