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

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
NNE 6kt⇓
< 1ft
Thursday
NNE 9kt
< 1ft
Thursday Night
NNE 9kt⇓
< 1ft
Juneteenth
Light Wind
< 1ft
Friday Night
W 7kt
< 1ft
Saturday
SSW 9kt
< 1ft
Saturday Night
SW 8kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
NNE 6kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Jun 17, 2026
Forecast Valid: 5pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

Thursday

NNE wind 6 to 9 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. Partly cloudy. Waves 1 ft or less.

Juneteenth

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

Friday Night

W wind around 7 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind around 9 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Clear. Waves 1 ft or less.

Sunday

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

Sunday Night

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. 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.