World Resorts USA Mackinac Island Weather

Mackinac Island Sea Temperature in March

Average sea water temperature in March:
+33.2°F
Minimum sea water temperature in March: 36.7°F
Maximum sea water temperature in March: 32.0°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 32.9°F. The highest and lowest sea temperatures during the month were 36.1°F and 32.0°F.

Monthly sea water temperature in Mackinac Island, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
Everglades 77.4°F 74.4°F
Kailua Kona 77.2°F 77.7°F
West Palm Beach 77.1°F 75.8°F
Key Largo 76.8°F 75.1°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Miami 76.0°F 74.4°F
Kahului 75.7°F 76.3°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Cape Coral 73.9°F 71.7°F
Marco Island 73.5°F 71.8°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°F

Best time for vacation in Mackinac Island

Sunniest months:
July 14 days
August 14 days
September 12 days
Warmest months:
August 69.4 °F
July 69.3 °F
September 62.9 °F
Warmest sea temp:
August 67.3 °F
July 65.1 °F
September 62.7 °F
Coldest months:
February 23.1 °F
January 23.4 °F
December 30.7 °F
Rainiest months:
August 3 days
May 2 days
April 2 days
Windiest months:
November 13.5 mph
December 13.2 mph
April 11.6 mph

Mackinac Island on a weather map

Mackinac Island
+37°F
SE 10 mph
Feels like: +32°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+55°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+77°F
+54°F
24 Hours Forecast
Mackinac Island
Local time: 09:41
April 29, wednesday
1200
41°F
SE
9 mph
1500
43°F
E
12 mph
1800
45°F
SE
13 mph
2100
39°F
SE
12 mph
April 30, thursday
0000
34°F
SE
11 mph
0300
34°F
SE
11 mph
0600
34°F
SE
11 mph
0900
37°F
SE
9 mph
Units of measurement: °C / °F