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Chicago, IL Local Forecast Office

18NM NW New Buffalo MI

Marine Point Forecast

[NOTICE]

Sunday
High: 54 °F
SE 25kt
5-6ft

Gale Warning
Sunday Night
Low: 28 °F
W 30kt
10ft

Gale Warning
Monday
High: 31 °F
WNW 35kt
12-14ft

Gale Warning
Monday Night
Low: 21 °F
NW 30kt
14ft

Gale Warning
Tuesday
High: 30 °F
NW 25kt⇓
9ft
Tuesday Night
Low: 26 °F
⇑S 20kt
2-3ft
Wednesday
High: 42 °F
S 20kt⇓
2-4ft
Wednesday Night
Low: 39 °F
S 15kt
1-2ft
Thursday
High: 45 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:34 am CDT Mar 15, 2026
Forecast Valid: 4am CDT Mar 15, 2026-6pm CDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Sunday

SE wind 20 to 25 kt becoming S in the afternoon. Winds could gust as high as 35 kt. A chance of rain before 1pm, then a chance of rain and thunderstorms between 1pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. Waves 5 to 6 ft. occasionally to 8ft.

Sunday Night

S wind 25 to 30 kt becoming W after midnight. Rain before 2am, then rain and snow likely between 2am and 4am, then snow likely after 4am. Some thunder is also possible. Waves 6 ft building to 10 ft.

Monday

WNW wind 30 to 35 kt. Snow. Widespread freezing spray after 3pm. Waves 12 to 14 ft. occasionally to 18ft.

Monday Night

NW wind 25 to 30 kt, with gusts as high as 35 kt. A chance of snow, mainly before 1am. Widespread freezing spray. Waves 14 ft subsiding to 10 ft.

Tuesday

NW wind 20 to 25 kt becoming W 10 to 15 kt in the afternoon. Widespread freezing spray before 1pm. Mostly cloudy. Waves 9 ft subsiding to 3 ft.

Tuesday Night

SW wind 10 to 15 kt becoming S 15 to 20 kt after midnight. A chance of snow after 1am. Waves 2 to 3 ft.

Wednesday

S wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. A slight chance of snow before 1pm. Waves 2 to 4 ft.

Wednesday Night

S wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Thursday

SSW wind 5 to 10 kt becoming NNW in the afternoon. 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.