For More Weather Information:

Northern Indiana Local Forecast Office

4NM NW Michigan City IN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
SSW 15kt
1ft
Tonight
Low: 67 °F
S 20kt
1ft
Tuesday
High: 81 °F
SSW 20kt
2ft
Tuesday Night
Low: 50 °F
NNW 15kt
2ft
Wednesday
High: 56 °F
N 15kt
3ft
Wednesday Night
Low: 48 °F
N 15kt
2-3ft
Thursday
High: 64 °F
ENE 10kt
1-2ft
Thursday Night
Low: 51 °F
NE 10kt
1ft
Friday
High: 68 °F
E 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: 3:03 pm CDT May 18, 2026
Forecast Valid: 4pm CDT May 18, 2026-6pm CDT May 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, mainly after 5pm. Waves around 1 ft.

Tonight

S wind 15 to 20 kt. A slight chance of showers and thunderstorms before 10pm. Waves around 1 ft.

Tuesday

SSW wind 15 to 20 kt becoming WSW in the afternoon. Winds could gust as high as 25 kt. A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves around 2 ft.

Tuesday Night

WNW wind 10 to 15 kt becoming NNW after midnight. A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Waves around 2 ft.

Wednesday

N wind around 15 kt. Mostly sunny. Waves around 3 ft.

Wednesday Night

N wind 10 to 15 kt becoming ENE after midnight. Partly cloudy. Waves 2 to 3 ft.

Thursday

ENE wind around 10 kt. Mostly sunny. Waves 1 to 2 ft.

Thursday Night

NE wind around 10 kt becoming E in the evening. Mostly cloudy. Waves around 1 ft.

Friday

E wind around 10 kt, with gusts as high as 20 kt. Showers likely. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 55 degrees and at Michigan
City is 53 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.