Measurements:
°C
°F
Michigan City
28°F
SE 13 mph
Feels like: 18°F
Precip: 0%
World Resorts USA Michigan City Weather

Michigan City Sea Water Temperature

Current Sea Water Temperature:
+32.0°F
Maximum Sea Water Temperature in February: 36.6°F
Minimum Sea Water Temperature in February: 31.2°F
Average water temperature in February: 33.1°F

Sea Water Temperature for the Last 10 Days:

February 21 32.0°F February 16 32.2°F
February 20 31.8°F February 15 32.0°F
February 19 33.4°F February 14 32.0°F
February 18 32.2°F February 13 32.2°F
February 17 32.2°F February 12 32.2°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 26.6 °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 +28
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +34
Los Angeles +40
Maui +66
Miami +74
Miami Beach +78
New York +38
San Diego +44
San Francisco +42
Sarasota +68
Tampa +70
Washington +38
24 Hours Weather Forecast
Michigan City
Local time: 07:20
21 feb, saturday
0900 28°F
SE
13 mph
1200 30°F
SE
11 mph
1500 30°F
SE
9 mph
1800 30°F
SE
10 mph
2100 30°F
SE
14 mph
22 feb, sunday
0000 28°F
SE
17 mph
0300 28°F
SE
17 mph
0600 28°F
SE
20 mph