Average sea water temperature in October:
+81.9°F
| Minimum sea water temperature in October: | 87.1°F |
| Maximum sea water temperature in October: | 75.7°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 76.6°F.
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| Marco Island |
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| Marco Island |
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| Marco Island |
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| Marco Island |
Monthly sea water temperature in Marco Island, °F
Which USA resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| West Palm Beach | 84.6°F | 83.5°F |
| Fort Lauderdale | 84.5°F | 83.5°F |
| Miami Beach | 84.0°F | 83.4°F |
| Key West | 83.9°F | 83.8°F |
| South Padre Island | 83.2°F | 84.0°F |
| Miami | 83.1°F | 82.7°F |
| Naples | 82.4°F | 81.9°F |
| Kailua Kona | 82.0°F | 80.9°F |
| Corpus Christi | 81.4°F | 82.2°F |
| Siesta Key | 81.3°F | 80.4°F |
| Sarasota | 81.0°F | 80.2°F |
| Honolulu | 80.6°F | 80.7°F |
| Hawaii | 80.5°F | 80.6°F |
| Kauai | 80.3°F | 81.3°F |
| Galveston | 80.3°F | 80.8°F |
| Oahu | 80.1°F | 79.8°F |
| Houston | 80.1°F | 80.4°F |
| Maui | 80.0°F | 79.8°F |
| Panama City Beach | 80.0°F | 79.2°F |
| Santa Rosa Beach | 79.8°F | 78.9°F |
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 14:40
November 04, wednesday
1500
81°F
W
2 mph
2 mph
1800
81°F
W
5 mph
5 mph
2100
79°F
W
10 mph
10 mph
November 05, thursday
0000
77°F
W
9 mph
9 mph
0300
75°F
W
9 mph
9 mph
0600
75°F
SW
8 mph
8 mph
0900
77°F
SW
9 mph
9 mph
1200
82°F
S
4 mph
4 mph
