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

18NM WNW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
Light Wind
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
Light Wind
< 1ft
Thursday
NNE 8kt
< 1ft
Thursday Night
NNE 9kt⇓
< 1ft
Juneteenth
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑S 6kt
< 1ft
Saturday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jun 16, 2026
Forecast Valid: 12am PDT Jun 17, 2026-6pm PDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Overnight

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

Wednesday

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

Wednesday Night

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

Thursday

NNE wind 6 to 8 kt. Sunny. Waves 1 ft or less.

Thursday Night

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

Juneteenth

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

Friday Night

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

Saturday

Variable winds less than 5 kt becoming S around 6 kt. Sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. 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.