Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from September 28, 05:00 PM PDT until September 29, 05:00 PM PDT

For More Weather Information:

Seattle, WA Local Forecast Office

20NM SW Seattle WA

Marine Point Forecast

[NOTICE]

This Afternoon
SW 10kt
< 1ft
Tonight
SSW 17kt
< 1ft

Small Craft Advisory
Tuesday
SSW 19kt
< 1ft

Small Craft Advisory
Tuesday Night
SSW 10kt⇓
< 1ft
Wednesday
⇑NNE 7kt
< 1ft
Wednesday Night
NNE 7kt⇓
< 1ft
Thursday
⇑NE 6kt
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 am PDT Sep 28, 2026
Forecast Valid: 2pm PDT Sep 28, 2026-6pm PDT Oct 4, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON

This Afternoon

SW wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.

Tonight

SSW wind 12 to 17 kt. A chance of rain, mainly after 2am. Waves 1 ft or less.

Tuesday

SSW wind 11 to 19 kt, with gusts as high as 25 kt. Rain, mainly before 5pm. Waves 1 ft or less.

Tuesday Night

SSW wind 5 to 10 kt becoming variable and less than 5 kt in the evening. A slight chance of rain before 7pm. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NNE 5 to 7 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Wednesday Night

NNE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming NE around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds 5 kt or less. 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.