Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

12NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Today
Light Wind
< 1ft
Tonight
NNE 8kt
< 1ft
Thursday
N 10kt
< 1ft
Thursday Night
NNE 11kt
< 1ft
Juneteenth
⇑N 6kt
< 1ft
Friday Night
SSW 10kt
< 1ft
Saturday
SSW 10kt
< 1ft
Saturday Night
WSW 9kt
< 1ft
Sunday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jun 16, 2026
Forecast Valid: 9am PDT Jun 17, 2026-6pm PDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

NNE wind 5 to 8 kt. Mostly clear. Waves 1 ft or less.

Thursday

N wind 7 to 10 kt. Sunny. Waves 1 ft or less.

Thursday Night

NNE wind 5 to 11 kt. Partly cloudy. Waves 1 ft or less.

Juneteenth

Variable winds less than 5 kt becoming N around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.

Friday Night

NW wind 8 to 10 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 8 to 10 kt. Sunny. Waves 1 ft or less.

Saturday Night

WSW wind 5 to 9 kt. Mostly clear. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. 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.