For More Weather Information:

Northern Indiana Local Forecast Office

4NM NW Michigan City IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 62 °F
Light Wind
< 1ft
Sunday
High: 84 °F
S 10kt
< 1ft
Sunday Night
Low: 66 °F
S 15kt
1ft
Monday
High: 84 °F
S 20kt
1-2ft
Monday Night
Low: 66 °F
S 15kt
1ft
Tuesday
High: 83 °F
S 20kt
1-2ft
Tuesday Night
Low: 51 °F
WSW 15kt
2ft
Wednesday
High: 57 °F
N 15kt
3ft
Wednesday Night
Low: 48 °F
N 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:16 pm CDT May 16, 2026
Forecast Valid: 9pm CDT May 16, 2026-6pm CDT May 23, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A slight chance of showers after 2am. Waves 1 ft or less.

Sunday

S wind 5 to 10 kt. A slight chance of showers and thunderstorms before 1pm. Waves 1 ft or less.

Sunday Night

S wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Waves around 1 ft.

Monday

S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Monday Night

S wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves around 1 ft.

Tuesday

S wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, then showers and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.

Tuesday Night

WSW wind around 15 kt becoming NNW after midnight. Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Waves around 2 ft.

Wednesday

N wind 10 to 15 kt. Partly sunny. Waves around 3 ft.

Wednesday Night

N wind 10 to 15 kt. Mostly cloudy. Waves 2 to 3 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 53 degrees and at Michigan
City is 51 degrees.

*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.