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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
W 35kt
12-13ft

Storm Warning
Tonight
Low: 35 °F
WNW 30kt⇓
11ft

Storm Warning
Saturday
High: 41 °F
N 10kt
5ft
Saturday Night
Low: 39 °F
ESE 20kt
4ft
Sunday
High: 56 °F
S 25kt
5ft
Sunday Night
Low: 27 °F
W 35kt
14ft
Monday
High: 34 °F
WNW 35kt
18ft
Monday Night
Low: 20 °F
NW 35kt
12-13ft
Tuesday
High: 28 °F
WNW 25kt⇓
11ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:42 pm CDT Mar 13, 2026
Forecast Valid: 1pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

W wind around 35 kt, with gusts as high as 55 kt. Mostly cloudy early, then becoming sunny. Waves 12 to 13 ft. occasionally to 17ft.

Tonight

WNW wind 25 to 30 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 45 kt. Partly cloudy. Waves 11 ft subsiding to 7 ft.

Saturday

N wind 5 to 10 kt becoming SE in the afternoon. Mostly cloudy. Waves 5 ft subsiding to 2 ft.

Saturday Night

ESE wind 10 to 20 kt. A slight chance of snow before 8pm, then a slight chance of rain and snow between 8pm and 9pm, then a chance of rain after 9pm. Waves 1 ft building to 4 ft.

Sunday

SE wind 20 to 25 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Rain likely, with thunderstorms also possible after 4pm. Waves around 5 ft.

Sunday Night

S wind 25 to 35 kt becoming WNW after midnight. Rain before 4am, then snow. Some thunder is also possible. Waves 5 ft building to 14 ft.

Monday

WNW wind 30 to 35 kt, with gusts as high as 45 kt. Snow. Widespread freezing spray between 8am and 11am, then Widespread freezing spray after 4pm. Waves 18 ft subsiding to 15 ft.

Monday Night

NW wind 30 to 35 kt. A chance of snow. Widespread freezing spray before 7pm, then Widespread freezing spray after 8pm. Waves 12 to 13 ft. occasionally to 17ft.

Tuesday

WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Widespread freezing spray before 2pm. Mostly cloudy. Waves 11 ft subsiding to 4 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.