Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf

Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near a cold front from the Ohio Valley to the Mid-Atlantic tonight. Tropical Storm Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the panhandle of Florida into Louisiana through Wednesday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

19NM SW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
NNE 6kt⇓
< 1ft
Wednesday
⇑N 6kt
< 1ft
Wednesday Night
⇑SW 10kt
< 1ft
Thursday
SW 11kt
< 1ft
Thursday Night
SW 11kt
< 1ft
Friday
⇑SW 6kt
< 1ft
Friday Night
WSW 8kt
< 1ft
Saturday
SSW 11kt
< 1ft
Saturday Night
SW 12kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:40 pm PDT Jul 21, 2026
Forecast Valid: 7pm PDT Jul 21, 2026-6pm PDT Jul 28, 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.

Wednesday

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

Wednesday Night

Variable winds less than 5 kt becoming SW 5 to 10 kt after midnight. A slight chance of rain after 4am. Waves 1 ft or less.

Thursday

SW wind around 11 kt. A chance of rain. Waves 1 ft or less.

Thursday Night

SW wind 5 to 11 kt. Mostly clear. Waves 1 ft or less.

Friday

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

Friday Night

WSW wind around 8 kt. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 8 to 11 kt. Partly sunny. Waves 1 ft or less.

Saturday Night

SW wind 6 to 12 kt. Partly 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.