Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
Light Wind
< 1ft
Tonight
NE 6kt⇓
< 1ft
Monday
⇑NNE 10kt
< 1ft
Monday Night
NNE 10kt⇓
< 1ft
Tuesday
⇑N 6kt
< 1ft
Tuesday Night
N 6kt⇓
< 1ft
Wednesday
⇑SW 6kt
< 1ft
Wednesday Night
SSW 8kt
< 1ft
Thursday
SW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Jun 21, 2026
Forecast Valid: 1pm PDT Jun 21, 2026-6pm PDT Jun 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

NE wind around 6 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 NNE 5 to 10 kt in the morning. Sunny. Waves 1 ft or less.

Monday Night

NNE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Tuesday

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

Tuesday Night

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

Wednesday

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

Wednesday Night

SSW wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.

Thursday

SW wind 5 to 9 kt. Mostly cloudy. 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.