Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

28NM N Seattle WA

Marine Point Forecast

[NOTICE]

Wednesday
SSE 6kt⇓
< 1ft
Wednesday Night
NNW 6kt⇓
< 1ft
Thursday
⇑NW 6kt
< 1ft
Thursday Night
NW 7kt⇓
< 1ft
Friday
⇑WNW 6kt
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
SSE 11kt
< 1ft
Saturday Night
⇑S 8kt
< 1ft
Sunday
SSE 6kt⇓
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Aug 18, 2026
Forecast Valid: 4am PDT Aug 19, 2026-6pm PDT Aug 25, 2026

View Nearby Observations

Detailed Forecast

Wednesday

SSE wind around 6 kt becoming variable and less than 5 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Wednesday Night

NNW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

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

Thursday Night

NW wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds less than 5 kt becoming WNW around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

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

Saturday

SSE wind 8 to 11 kt. A chance of rain. Waves 1 ft or less.

Saturday Night

Variable winds less than 5 kt becoming S 5 to 8 kt after midnight. A chance of rain. Waves 1 ft or less.

Sunday

SSE wind around 6 kt becoming variable and less than 5 kt in the morning. A slight chance of rain. 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.