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Chicago, IL Local Forecast Office

7NM W Michigan City IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 40 °F
NE 10kt
1ft
Friday
High: 43 °F
N 15kt
1-2ft
Friday Night
Low: 39 °F
Light Wind
1-2ft
Saturday
High: 46 °F
N 10kt
1ft
Saturday Night
Low: 39 °F
⇑SSW 10kt
< 1ft
Sunday
High: 60 °F
SW 15kt
1ft
Sunday Night
Low: 49 °F
SSW 10kt
1ft
Monday
High: 68 °F
SW 15kt
1ft
Monday Night
Low: 49 °F
SW 15kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:56 pm CDT Apr 30, 2026
Forecast Valid: 9pm CDT Apr 30, 2026-6pm CDT May 7, 2026

View Nearby Observations

Detailed Forecast

Tonight

NE wind 5 to 10 kt. Showers, mainly before midnight. Waves around 1 ft.

Friday

N wind 10 to 15 kt, with gusts as high as 20 kt. Isolated showers before 7am. Waves 1 to 2 ft.

Friday Night

Variable winds 5 kt or less. Isolated showers between 10pm and 1am. Waves 1 to 2 ft.

Saturday

N wind 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Saturday Night

Variable winds less than 5 kt becoming SSW 5 to 10 kt after midnight. Mostly clear. Waves 1 ft or less.

Sunday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.

Sunday Night

SSW wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Waves around 1 ft.

Monday

SW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms after 1pm. Waves around 1 ft.

Monday Night

SW wind 10 to 15 kt. A chance of showers and thunderstorms. Waves around 1 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.