Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

6NM W Grand Haven MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 64 °F
NNW 11kt
< 1ft
Labor Day
High: 75 °F
ESE 9kt⇓
< 1ft
Monday Night
Low: 67 °F
SE 13kt
< 1ft
Tuesday
High: 78 °F
S 12kt
1ft
Tuesday Night
Low: 73 °F
S 17kt
4ft
Wednesday
High: 77 °F
SW 20kt
5ft
Wednesday Night
Low: 66 °F
WSW 19kt
5ft
Thursday
High: 71 °F
NW 16kt
3-5ft
Thursday Night
Low: 65 °F
NNW 9kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:02 pm CDT Sep 6, 2026
Forecast Valid: 6pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNW wind 6 to 11 kt becoming ESE after midnight. Partly cloudy. Waves 1 ft or less.

Labor Day

ESE wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 ft or less.

Monday Night

NE wind 6 to 13 kt becoming SE after midnight. Partly cloudy. Waves 1 ft or less.

Tuesday

S wind 10 to 12 kt. Partly sunny. Waves around 1 ft.

Tuesday Night

S wind 11 to 17 kt. Showers and possibly a thunderstorm after 1am. Waves 1 ft building to 4 ft.

Wednesday

SW wind 18 to 20 kt. Showers likely before 1pm. Waves around 5 ft.

Wednesday Night

WSW wind 17 to 19 kt becoming NW after midnight. Winds could gust as high as 25 kt. Partly cloudy. Waves around 5 ft.

Thursday

NW wind 14 to 16 kt. Mostly sunny. Waves 3 to 5 ft.

Thursday Night

NNW wind 7 to 9 kt becoming S after midnight. Mostly clear. Waves 1 to 2 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.