Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Small Craft Advisory until August 19, 03:00 AM CDT

For More Weather Information:

Grand Rapids, MI Local Forecast Office

10NM SSW Grand Haven MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 70 °F
WSW 13kt
2ft

Small Craft Advisory
Wednesday
High: 69 °F
NNW 11kt
1-2ft
Wednesday Night
Low: 62 °F
N 10kt
< 1ft
Thursday
High: 75 °F
E 6kt⇓
< 1ft
Thursday Night
Low: 67 °F
⇑S 9kt
< 1ft
Friday
High: 73 °F
SSW 12kt
1ft
Friday Night
Low: 68 °F
WSW 12kt
1-2ft
Saturday
High: 71 °F
NW 15kt
3-4ft
Saturday Night
Low: 64 °F
N 12kt
1-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:16 pm CDT Aug 18, 2026
Forecast Valid: 11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026

View Nearby Observations

Detailed Forecast

Overnight

WSW wind 10 to 13 kt becoming NNW after midnight. A chance of showers before 1am. Waves around 2 ft.

Wednesday

N wind 5 to 11 kt becoming NW in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Wednesday Night

N wind 6 to 10 kt becoming ENE after midnight. Increasing clouds. Waves 1 ft or less.

Thursday

E wind around 6 kt becoming variable and less than 5 kt. Sunny. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming S 5 to 9 kt after midnight. Partly cloudy. Waves 1 ft or less.

Friday

SSW wind around 12 kt, with gusts as high as 19 kt. Partly sunny. Waves around 1 ft.

Friday Night

SSW wind 10 to 12 kt becoming W after midnight. A chance of showers. Waves 1 to 2 ft.

Saturday

NW wind 13 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Waves 3 to 4 ft.

Saturday Night

N wind 10 to 12 kt. Mostly clear. Waves 1 to 3 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.