Average sea water temperature in July:
+65.3°F
| Minimum sea water temperature in July: | 71.8°F |
| Maximum sea water temperature in July: | 57.0°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.8°F. The highest and lowest sea temperatures during the month were 70.9°F and 62.2°F.
sea water
temperature
temperature
| Mackinac Island |
monthly
weather
weather
| Mackinac Island |
current
weather
weather
| Mackinac Island |
14 days
forecast
forecast
| Mackinac Island |
Monthly sea water temperature in Mackinac Island, °F
Which USA resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Key West | 88.5°F | 86.7°F |
| Clearwater Beach | 87.9°F | 87.1°F |
| Naples | 87.7°F | 86.6°F |
| Tampa | 87.6°F | 86.8°F |
| Sarasota | 87.6°F | 86.9°F |
| New Orleans | 87.5°F | 87.4°F |
| Miami | 87.4°F | 86.3°F |
| Miami Beach | 87.0°F | 86.0°F |
| Houston | 86.7°F | 86.3°F |
| Hilton Head Island | 86.3°F | 85.7°F |
| Edisto Beach | 86.3°F | 85.3°F |
| St. George Island | 86.3°F | 86.4°F |
| Tybee Island | 86.3°F | 85.4°F |
| West Palm Beach | 86.1°F | 84.6°F |
| Panama City Beach | 86.0°F | 86.3°F |
| Santa Rosa Beach | 85.9°F | 86.2°F |
| Pensacola Beach | 85.8°F | 86.7°F |
| Destin | 85.8°F | 86.3°F |
| Charleston (SC) | 85.8°F | 84.7°F |
| Fort Walton Beach | 85.5°F | 86.1°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
