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

28NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Overnight
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
Light Wind
< 1ft
Friday
Light Wind
< 1ft
Friday Night
WNW 6kt⇓
< 1ft
Saturday
⇑WSW 6kt
< 1ft
Saturday Night
SSW 11kt
< 1ft
Sunday
WSW 7kt
< 1ft
Sunday Night
WSW 9kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 11:26 pm PDT May 20, 2026
Forecast Valid: 12am PDT May 21, 2026-6pm PDT May 27, 2026

View Nearby Observations

Detailed Forecast

Overnight

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

Thursday

Variable winds 5 kt or less. 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

WNW wind around 6 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

SSW wind 6 to 11 kt. Partly cloudy. Waves 1 ft or less.

Sunday

WSW wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

WSW wind 5 to 9 kt becoming SSW after midnight. A chance of 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.