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

19NM SSW Seattle WA

Marine Point Forecast

[NOTICE]

Tonight
Light Wind
< 1ft
Thursday
Light Wind
< 1ft
Thursday Night
NNE 6kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
Light Wind
< 1ft
Saturday Night
WSW 8kt⇓
< 1ft
Sunday
⇑SW 6kt
< 1ft
Sunday Night
WSW 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 12:25 pm PDT May 20, 2026
Forecast Valid: 9pm PDT May 20, 2026-6pm PDT May 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

NNE wind around 6 kt becoming variable and less than 5 kt in the evening. 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 5 kt or less. Mostly sunny. Waves 1 ft or less.

Saturday Night

WSW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. 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 slight 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.