Average sea water temperature in October:
+55.9°F
| Minimum sea water temperature in October: | 64.4°F |
| Maximum sea water temperature in October: | 46.8°F |
Daily sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 62.8°F and 52.2°F.
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| Mackinac Island |
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| Mackinac Island |
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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 October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Key West | 83.8°F | 82.9°F |
| West Palm Beach | 83.5°F | 83.3°F |
| Fort Lauderdale | 83.5°F | 83.0°F |
| Miami Beach | 83.4°F | 83.4°F |
| Miami | 82.7°F | 82.9°F |
| Corpus Christi | 82.2°F | 80.6°F |
| Naples | 81.9°F | 81.6°F |
| Kauai | 81.3°F | 79.2°F |
| Honolulu | 80.7°F | 80.6°F |
| Hawaii | 80.6°F | 80.5°F |
| Molokai | 80.5°F | 80.1°F |
| Siesta Key | 80.4°F | 80.7°F |
| Houston | 80.4°F | 78.8°F |
| Hilo | 80.3°F | 79.7°F |
| Sarasota | 80.2°F | 80.5°F |
| Maui | 79.8°F | 79.4°F |
| Oahu | 79.8°F | 80.2°F |
| St. Petersburg | 79.4°F | 79.0°F |
| Tampa | 79.4°F | 79.3°F |
| Panama City Beach | 79.2°F | 78.9°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: 19:28
June 26, friday
2100
63°F
SE
5 mph
5 mph
June 27, saturday
0000
61°F
S
4 mph
4 mph
0300
59°F
E
2 mph
2 mph
0600
57°F
S
3 mph
3 mph
0900
61°F
S
3 mph
3 mph
1200
66°F
W
2 mph
2 mph
1500
68°F
NW
6 mph
6 mph
1800
66°F
W
8 mph
8 mph
