Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

For More Weather Information:

Seattle, WA Local Forecast Office

16NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Thursday
⇑N 6kt
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
⇑SW 6kt
< 1ft
Saturday Night
SSW 9kt
< 1ft
Sunday
⇑SW 6kt
< 1ft
Sunday Night
WSW 8kt
< 1ft
Memorial Day
SSW 12kt
1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT May 20, 2026
Forecast Valid: 1am PDT May 21, 2026-6pm PDT May 27, 2026

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Detailed Forecast

Thursday

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

Thursday Night

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

Friday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Friday Night

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

Saturday

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

Saturday Night

SSW wind 5 to 9 kt. Partly cloudy. Waves 1 ft or less.

Sunday

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

Sunday Night

WSW wind 6 to 8 kt. A chance of rain. Waves 1 ft or less.

Memorial Day

SSW wind 8 to 12 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.