Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

37NM N Seattle WA

Marine Point Forecast

[NOTICE]

Thursday
⇑NW 10kt
< 1ft
Thursday Night
NW 8kt⇓
< 1ft
Juneteenth
⇑WNW 7kt
< 1ft
Friday Night
WNW 6kt⇓
< 1ft
Saturday
SSE 8kt
< 1ft
Saturday Night
Light Wind
< 1ft
Sunday
⇑W 7kt
< 1ft
Sunday Night
WNW 8kt⇓
< 1ft
Monday
⇑WNW 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:25 pm PDT Jun 17, 2026
Forecast Valid: 2am PDT Jun 18, 2026-6pm PDT Jun 24, 2026

View Nearby Observations

Detailed Forecast

Thursday

Variable winds less than 5 kt becoming NW 5 to 10 kt in the morning. Sunny. Waves 1 ft or less.

Thursday Night

NW 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 less than 5 kt becoming WNW 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Friday Night

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

Saturday

SSE wind 5 to 8 kt becoming SSW in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Sunday Night

WNW wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Clear. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming WNW 5 to 8 kt in the afternoon. 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.