Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

15NM S Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Tuesday
Light Wind
< 1ft
Tuesday Night
⇑SSW 6kt
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
N 6kt⇓
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
⇑W 7kt
< 1ft
Friday Night
⇑SSE 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Sep 21, 2026
Forecast Valid: 8pm PDT Sep 21, 2026-6pm PDT Sep 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds less than 5 kt becoming SSW around 6 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

Variable winds 5 kt or less. A chance of rain after 11am. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Rain likely. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. Rain likely. Waves 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming SSE 5 to 7 kt after midnight. 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.