World Resorts USA Mackinac Island Weather

Mackinac Island Sea Temperature in March

Average sea water temperature in March:
+33.3°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 33.3°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 78.2°F 74.4°F
Key West 77.1°F 74.5°F
Kailua Kona 77.1°F 77.7°F
West Palm Beach 76.9°F 75.8°F
Miami Beach 76.8°F 75.3°F
Honolulu 76.8°F 76.8°F
Kauai 76.7°F 75.0°F
Hawaii 76.6°F 76.7°F
Fort Lauderdale 76.4°F 75.8°F
Miami 76.4°F 74.4°F
Maui 75.4°F 76.0°F
Cape Coral 74.8°F 71.7°F
Oahu 74.8°F 75.7°F
Naples 72.8°F 71.4°F
South Padre Island 72.6°F 66.8°F
Tampa 72.2°F 69.3°F
Cocoa Beach 72.1°F 70.0°F
Corpus Christi 72.1°F 67.0°F
St. Petersburg 71.7°F 68.8°F
Sarasota 70.9°F 68.6°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
July 2 days
Windiest months:
November 13.5 mph
December 13.2 mph
April 11.7 mph

Mackinac Island on a weather map

Mackinac Island
+28°F
NE 10 mph
Feels like: +18°F
Precip.: 100%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+91°F
+84°F
+66°F
+72°F
+72°F
+32°F
+66°F
+63°F
+61°F
+59°F
+61°F
+36°F
24 Hours Forecast
Mackinac Island
Local time: 21:42
March 19, thursday
0000
30°F
NE
9 mph
0300
30°F
NE
9 mph
0600
28°F
E
7 mph
0900
28°F
E
6 mph
1200
28°F
SE
8 mph
1500
30°F
SE
5 mph
1800
30°F
E
3 mph
2100
30°F
N
4 mph
Units of measurement: °C / °F