Measurements:
°C
°F
Michigan City
56°F
N 19 mph
Feels like: 52°F
Precip: 0%
World Resorts USA Michigan City Weather

Michigan City Sea Water Temperature

Current Sea Water Temperature:
+37.6°F
Maximum Sea Water Temperature in January: 41.2°F
Minimum Sea Water Temperature in January: 32.8°F
Average water temperature in January: 36.1°F

Sea Water Temperature for the Last 10 Days:

January 08 37.6°F January 03 37.2°F
January 07 36.6°F January 02 36.8°F
January 06 37.0°F January 01 36.4°F
January 05 37.4°F December 31 36.2°F
January 04 37.2°F December 30 36.0°F

When is the Warmest Sea for Michigan City?

According to our data for the last three years for Michigan City the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Michigan City was 77.3°F. The maximum and minimum values were 74.2°F and 80.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Michigan City was 79.3°F. The maximum and minimum values were 76.8°F and 82.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Michigan City was 70.8°F. The maximum and minimum values were 66.4°F and 74.4°F respectively.

Best Time to Visit Michigan City
The most sunny months:
September 17 days
August 16 days
June 14 days
The most warm months:
July 80.8 °F
August 80.3 °F
June 77.0 °F
Warmest sea temperature:
August 76.9 °F
July 75.9 °F
September 72.4 °F
The most cold months:
January 27.3 °F
February 29.3 °F
December 34.8 °F
The most rainy months:
October 3 days
June 3 days
August 2 days
The most windy months:
November 12 mph
March 12 mph
December 12 mph

Michigan City on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Michigan City
Local time: 14:32
08 jan, thursday
1500 56°F
N
19 mph
1800 50°F
NW
19 mph
2100 44°F
N
22 mph
09 jan, friday
0000 48°F
N
23 mph
0300 50°F
NE
20 mph
0600 54°F
NE
19 mph
0900 54°F
NE
15 mph
1200 48°F
SE
11 mph