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 >

Hazardous Weather Conditions

Small Craft Advisory until May 21, 01:00 AM CDT

For More Weather Information:

Grand Rapids, MI Local Forecast Office

6NM S Grand Haven MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 45 °F
N 16kt
3ft

Small Craft Advisory
Thursday
High: 63 °F
ENE 12kt
< 1ft
Thursday Night
Low: 47 °F
E 15kt
< 1ft
Friday
High: 67 °F
E 16kt
1ft
Friday Night
Low: 52 °F
E 20kt
1ft
Saturday
High: 65 °F
E 15kt
< 1ft
Saturday Night
Low: 51 °F
NW 8kt
< 1ft
Sunday
High: 64 °F
S 7kt
< 1ft
Sunday Night
Low: 51 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:03 pm CDT May 20, 2026
Forecast Valid: 7pm CDT May 20, 2026-6pm CDT May 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind 13 to 16 kt becoming ENE after midnight. Partly cloudy. Waves 3 ft subsiding to 1 ft or less.

Thursday

ENE wind 8 to 12 kt becoming NNE in the afternoon. Increasing clouds. Waves 1 ft or less.

Thursday Night

E wind 13 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Friday

E wind around 16 kt, with gusts as high as 24 kt. Increasing clouds. Waves around 1 ft.

Friday Night

E wind 17 to 20 kt, with gusts as high as 27 kt. Showers. Waves around 1 ft.

Saturday

E wind 9 to 15 kt becoming W in the afternoon. A chance of showers before 1pm. Waves 1 ft or less.

Saturday Night

NW wind 5 to 8 kt becoming SE in the evening. Mostly cloudy. Waves 1 ft or less.

Sunday

SSE wind 5 to 7 kt becoming WSW in the afternoon. Mostly cloudy. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. 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.