Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
NE 6kt⇓
< 1ft
Tuesday
Light Wind
< 1ft
Tuesday Night
⇑S 9kt
< 1ft
Wednesday
SW 8kt
< 1ft
Wednesday Night
N 11kt
< 1ft
Thursday
N 9kt
< 1ft
Thursday Night
N 6kt⇓
< 1ft
Friday
⇑S 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Sep 21, 2026
Forecast Valid: 2pm PDT Sep 21, 2026-6pm PDT Sep 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

NE wind around 6 kt becoming variable and less than 5 kt after midnight. A slight chance of rain after 5am. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. A chance of rain, mainly before 8am. Waves 1 ft or less.

Tuesday Night

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

Wednesday

S wind around 8 kt becoming SW in the afternoon. Partly sunny. Waves 1 ft or less.

Wednesday Night

N wind 8 to 11 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

N wind 5 to 9 kt. A chance of rain after 11am. Waves 1 ft or less.

Thursday Night

N wind around 6 kt becoming variable and less than 5 kt after midnight. Rain likely. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of rain. 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.