Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

4NM NW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
NNE 12kt⇓
< 1ft
Wednesday
⇑N 7kt
< 1ft
Wednesday Night
N 9kt
< 1ft
Thursday
N 14kt
< 1ft
Thursday Night
N 13kt⇓
< 1ft
Juneteenth
⇑NNW 7kt
< 1ft
Friday Night
NNW 9kt
< 1ft
Saturday
S 14kt
< 1ft
Saturday Night
W 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Jun 16, 2026
Forecast Valid: 4pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind 7 to 12 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 5 to 7 kt in the afternoon. Partly sunny, then gradually becoming sunny. Waves 1 ft or less.

Wednesday Night

N wind 6 to 9 kt. Clear. Waves 1 ft or less.

Thursday

N wind 7 to 14 kt. Sunny. Waves 1 ft or less.

Thursday Night

N wind 8 to 13 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Juneteenth

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

Friday Night

NNW wind 5 to 9 kt becoming S after midnight. Mostly clear. Waves 1 ft or less.

Saturday

S wind 7 to 14 kt. Sunny. Waves 1 ft or less.

Saturday Night

W wind 6 to 9 kt becoming S 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.