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

20NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Today
SW 8kt
< 1ft
Tonight
Light Wind
< 1ft
Wednesday
Light Wind
< 1ft
Wednesday Night
N 6kt⇓
< 1ft
Thursday
⇑NNE 8kt
< 1ft
Thursday Night
N 8kt⇓
< 1ft
Juneteenth
Light Wind
< 1ft
Friday Night
WSW 6kt
< 1ft
Saturday
SW 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 3:36 am PDT Jun 16, 2026
Forecast Valid: 8am PDT Jun 16, 2026-6pm PDT Jun 22, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 5 to 8 kt becoming NW in the afternoon. Mostly sunny. Waves 1 ft or less.

Tonight

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

Wednesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Wednesday Night

N wind around 6 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 NNE 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.

Thursday Night

N wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Juneteenth

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

Friday Night

WSW wind around 6 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SW wind around 7 kt. Mostly sunny. 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.