Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
N 9kt⇓
< 1ft
Wednesday
⇑N 10kt
< 1ft
Wednesday Night
S 14kt
< 1ft
Thursday
S 15kt
1ft
Thursday Night
S 10kt
1ft
Friday
S 8kt
< 1ft
Friday Night
SSW 12kt
< 1ft
Saturday
S 17kt
1ft
Saturday Night
SSW 17kt
1-2ft

Associated Zone Forecast which includes this point

Last Update: 12:40 pm PDT Jul 21, 2026
Forecast Valid: 5pm PDT Jul 21, 2026-6pm PDT Jul 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

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

Wednesday Night

N wind 5 to 14 kt becoming S after midnight. A slight chance of rain after 4am. Waves 1 ft or less.

Thursday

S wind 11 to 15 kt. A chance of rain, mainly before 11am. Waves around 1 ft.

Thursday Night

S wind 7 to 10 kt. Mostly clear. Waves around 1 ft.

Friday

S wind 6 to 8 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

WNW wind 6 to 12 kt becoming SSW in the evening. Mostly clear. Waves 1 ft or less.

Saturday

S wind 14 to 17 kt. Partly sunny. Waves around 1 ft.

Saturday Night

SSW wind 11 to 17 kt. Partly cloudy. Waves 1 to 2 ft.

*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.