Average sea water temperature in April:
+35.5°F
| Minimum sea water temperature in April: | 41.4°F |
| Maximum sea water temperature in April: | 32.2°F |
Daily sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 34.2°F. The highest and lowest sea temperatures during the month were 40.3°F and 32.7°F.
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| Mackinac Island |
monthly
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| Mackinac Island |
current
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| Mackinac Island |
14 days
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| Mackinac Island |
Monthly sea water temperature in Mackinac Island, °F
Which USA resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| West Palm Beach | 78.2°F | 78.3°F |
| Key West | 78.2°F | 78.0°F |
| Miami Beach | 78.0°F | 78.3°F |
| Miami | 77.5°F | 77.9°F |
| Honolulu | 76.5°F | 77.4°F |
| Hawaii | 76.2°F | 77.3°F |
| Maui | 75.9°F | 76.6°F |
| Kauai | 75.9°F | 74.9°F |
| Naples | 75.8°F | 77.0°F |
| Tampa | 75.3°F | 76.6°F |
| Cocoa Beach | 75.0°F | 75.1°F |
| Oahu | 74.9°F | 76.4°F |
| Clearwater Beach | 74.7°F | 75.6°F |
| Houston | 74.5°F | 73.7°F |
| Sarasota | 74.2°F | 76.0°F |
| New Orleans | 72.6°F | 72.1°F |
| Orlando | 72.3°F | 72.8°F |
| St. George Island | 72.3°F | 72.8°F |
| Pensacola Beach | 71.7°F | 72.5°F |
| Daytona Beach | 71.7°F | 72.6°F |
Best time for vacation in Mackinac Island
Mackinac Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mackinac Island
Local time: 03:51
August 14, friday
0600
63°F
S
6 mph
6 mph
0900
64°F
S
4 mph
4 mph
1200
70°F
SW
5 mph
5 mph
1500
73°F
W
3 mph
3 mph
1800
73°F
SW
3 mph
3 mph
2100
70°F
SW
7 mph
7 mph
August 15, saturday
0000
64°F
S
8 mph
8 mph
0300
63°F
W
4 mph
4 mph
