Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from August 26, 01:00 AM CDT until August 26, 11:00 PM CDT

For More Weather Information:

Grand Rapids, MI Local Forecast Office

2NM SSW South Haven MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 76 °F
Light Wind
< 1ft
Tonight
Low: 61 °F
⇑S 7kt
< 1ft
Wednesday
High: 79 °F
SSW 11kt
< 1ft
Wednesday Night
Low: 66 °F
WSW 6kt⇓
< 1ft
Thursday
High: 77 °F
⇑NW 10kt
< 1ft
Thursday Night
Low: 58 °F
NNW 6kt⇓
< 1ft
Friday
High: 77 °F
⇑NNW 7kt
< 1ft
Friday Night
Low: 58 °F
Light Wind
< 1ft
Saturday
High: 79 °F
⇑SW 6kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:03 pm CDT Aug 25, 2026
Forecast Valid: 3pm CDT Aug 25, 2026-6pm CDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds less than 5 kt becoming S 5 to 7 kt after midnight. Partly cloudy. Waves 1 ft or less.

Wednesday

S wind 9 to 11 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Wednesday Night

WSW wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy, then gradually becoming clear. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming NW 5 to 10 kt in the morning. Sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming NNW 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming SW around 6 kt in the morning. Mostly sunny. 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.