Measurements:
°C
°F
Michigan City
80°F
N 12 mph
Feels like: 82°F
Precip: 0%
World Resorts USA Michigan City Weather

Michigan City Sea Water Temperature

Current Sea Water Temperature:
+47.6°F
Maximum Sea Water Temperature in April: 52.0°F
Minimum Sea Water Temperature in April: 35.8°F
Average water temperature in April: 42.3°F

Sea Water Temperature for the Last 10 Days:

April 23 47.6°F April 18 41.2°F
April 22 47.0°F April 17 42.0°F
April 21 46.8°F April 16 42.6°F
April 20 45.2°F April 15 42.0°F
April 19 43.4°F April 14 41.6°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
July 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 30.3 °F
December 34.8 °F
The most rainy months:
October 3 days
June 3 days
August 2 days
The most windy months:
March 12 mph
November 12 mph
December 12 mph

Michigan City on the Weather Map

USA Resorts:
NAME
Chicago +70
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +68
Los Angeles +64
Maui +70
Miami +82
Miami Beach +82
New York +76
San Diego +66
San Francisco +58
Sarasota +88
Tampa +86
Washington +82
24 Hours Weather Forecast
Michigan City
Local time: 11:11
23 apr, thursday
1200 80°F
N
12 mph
1500 86°F
NE
14 mph
1800 72°F
N
13 mph
2100 64°F
N
12 mph
24 apr, friday
0000 62°F
N
14 mph
0300 60°F
N
15 mph
0600 60°F
N
16 mph
0900 60°F
N
15 mph