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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]

Overnight
Low: 28 °F
S 20kt
2-3ft
Wednesday
High: 41 °F
S 20kt⇓
4ft
Wednesday Night
Low: 37 °F
SW 10kt
< 1ft
Thursday
High: 42 °F
SSE 10kt
< 1ft
Thursday Night
Low: 39 °F
N 10kt
< 1ft
Friday
High: 47 °F
SW 10kt
< 1ft
Friday Night
Low: 40 °F
NNW 10kt
1ft
Saturday
High: 52 °F
SSE 10kt
1-2ft
Saturday Night
Low: 44 °F
SW 15kt
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: 12:17 am CDT Mar 18, 2026
Forecast Valid: 12am CDT Mar 18, 2026-6pm CDT Mar 24, 2026

View Nearby Observations

Detailed Forecast

Overnight

S wind 15 to 20 kt. Snow, mainly after 3am. Waves 2 to 3 ft.

Wednesday

S wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. Snow likely, mainly before 10am. Waves 4 ft subsiding to 1 ft.

Wednesday Night

SW wind around 10 kt. A chance of rain, mainly after 1am. Waves 1 ft or less.

Thursday

S wind 5 to 10 kt becoming N in the afternoon. A chance of rain before 1pm. Waves 1 ft or less.

Thursday Night

N wind 5 to 10 kt becoming S after midnight. Mostly cloudy. Waves 1 ft or less.

Friday

SW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Friday Night

NNW wind around 10 kt. Mostly cloudy. Waves around 1 ft.

Saturday

SSE wind around 10 kt becoming SW in the afternoon. Partly sunny. Waves 1 to 2 ft.

Saturday Night

SW wind 10 to 15 kt. Partly 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.