Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
N 9kt⇓
< 1ft
Tuesday
Light Wind
< 1ft
Tuesday Night
N 10kt⇓
< 1ft
Wednesday
⇑N 6kt
< 1ft
Wednesday Night
N 9kt⇓
< 1ft
Thursday
⇑N 7kt
< 1ft
Thursday Night
N 10kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Aug 9, 2026
Forecast Valid: 10pm PDT Aug 9, 2026-6pm PDT Aug 16, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Monday

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

Monday Night

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Increasing clouds. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Tuesday Night

N wind 5 to 10 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 N around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

Variable winds less than 5 kt becoming N 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Thursday Night

N wind 5 to 10 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.