Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

6NM WSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
S 11kt
< 1ft
Sunday
N 8kt
< 1ft
Sunday Night
N 10kt
1ft
Monday
N 11kt
1ft
Monday Night
N 10kt⇓
< 1ft
Tuesday
⇑S 25kt
1-2ft
Tuesday Night
SSW 26kt
2-3ft
Wednesday
SSW 16kt
1-2ft
Wednesday Night
SSW 15kt
1ft

Associated Zone Forecast which includes this point

Last Update: 2:01 pm PDT Mar 21, 2026
Forecast Valid: 7pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind 5 to 11 kt becoming S after midnight. A slight chance of rain between 2am and 3am. Waves 1 ft or less.

Sunday

SSW wind 5 to 8 kt becoming NNE in the afternoon. Partly sunny. Waves 1 ft or less.

Sunday Night

N wind around 10 kt. Mostly cloudy. Waves around 1 ft.

Monday

N wind 7 to 11 kt. Increasing clouds. Waves around 1 ft.

Monday Night

N wind 5 to 10 kt becoming variable and less than 5 kt in the evening. A chance of rain after 11pm. Waves 1 ft or less.

Tuesday

S wind 7 to 12 kt increasing to 20 to 25 kt in the afternoon. Rain. Waves 1 to 2 ft.

Tuesday Night

SSW wind 19 to 26 kt. Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Waves 2 to 3 ft.

Wednesday

SSW wind 14 to 16 kt. Rain. Waves 1 to 2 ft.

Wednesday Night

SSW wind 10 to 15 kt. Rain likely. Waves around 1 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.