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 >

Hazardous Weather Conditions

Small Craft Advisory until March 20, 05:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

35NM SW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SW 11kt
< 1ft
Tonight
WSW 10kt
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
WSW 6kt⇓
< 1ft
Sunday
Light Wind
< 1ft
Sunday Night
Light Wind
< 1ft
Monday
Light Wind
< 1ft
Monday Night
Light Wind
< 1ft
Tuesday
⇑SSW 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:27 am PDT Mar 20, 2026
Forecast Valid: 12pm PDT Mar 20, 2026-6pm PDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

This Afternoon

SW wind around 11 kt. Rain before 3pm, then a slight chance of rain after 5pm. Waves 1 ft or less.

Tonight

WSW wind 6 to 10 kt. A slight chance of rain before 5am, then a slight chance of rain and snow. Waves 1 ft or less.

Saturday

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

Saturday Night

WSW wind around 6 kt becoming variable and less than 5 kt in the evening. A slight chance of rain before 11pm, then a chance of rain and snow. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of rain and snow before 11am, then a slight chance of rain. Waves 1 ft or less.

Sunday Night

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

Monday

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

Monday Night

Variable winds 5 kt or less. A chance of rain. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Rain. 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.