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

17NM S Seattle WA

Marine Point Forecast

[NOTICE]

Today
⇑NNE 6kt
< 1ft
Tonight
⇑SE 13kt
< 1ft
Thursday
SSW 8kt
1ft
Thursday Night
WSW 8kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
SSW 9kt
< 1ft
Saturday
SSW 11kt
1ft
Saturday Night
SW 11kt
1ft
Sunday
SSW 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT Jul 21, 2026
Forecast Valid: 8am PDT Jul 22, 2026-6pm PDT Jul 28, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

Variable winds less than 5 kt becoming SE 8 to 13 kt in the evening. A chance of rain, mainly after 5am. Waves 1 ft or less.

Thursday

SSW wind around 8 kt. A chance of rain, mainly before 9am. Waves around 1 ft.

Thursday Night

WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Friday

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

Friday Night

W wind 5 to 9 kt becoming SSW after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 7 to 11 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

SW wind 6 to 11 kt. Mostly cloudy. Waves around 1 ft.

Sunday

SSW wind 5 to 7 kt. Partly 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.