Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

29NM W South Haven MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 43 °F
N 13kt
2ft
Tonight
Low: 38 °F
N 14kt
1-2ft
Saturday
High: 48 °F
S 11kt
1ft
Saturday Night
Low: 42 °F
SSW 14kt
1-2ft
Sunday
High: 43 °F
N 22kt
7ft
Sunday Night
Low: 34 °F
N 23kt
7-8ft
Monday
High: 38 °F
N 16kt
6ft
Monday Night
Low: 36 °F
SSE 15kt
1-2ft
Tuesday
High: 44 °F
SSW 19kt
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: 12:41 pm CDT Mar 20, 2026
Forecast Valid: 1pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 13 kt. Mostly cloudy. Waves around 2 ft.

Tonight

N wind 7 to 14 kt becoming NE after midnight. Mostly cloudy. Waves 1 to 2 ft.

Saturday

E wind 7 to 11 kt becoming S in the afternoon. Partly sunny. Waves around 1 ft.

Saturday Night

S wind 12 to 14 kt becoming W after midnight. Partly cloudy. Waves 1 to 2 ft.

Sunday

N wind 13 to 22 kt, with gusts as high as 28 kt. A slight chance of rain. Waves 2 ft building to 7 ft.

Sunday Night

N wind 18 to 23 kt. Mostly cloudy. Waves 7 to 8 ft.

Monday

N wind 9 to 16 kt. Mostly sunny. Waves 6 ft subsiding to 3 ft.

Monday Night

NNE wind 7 to 15 kt becoming SSE after midnight. Partly cloudy. Waves 1 to 2 ft.

Tuesday

SSW wind 10 to 19 kt. Mostly cloudy. 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.