In October warmest sea in Florida is usually observed in the following locations: Port St. Lucie, Siesta Key, Sarasota.
Table below shows the average sea water temperature for marine resorts of Florida in October for the last three years.
| Place name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| Port St. Lucie | 84.0°F | 80.2°F | 80.4°F |
| Siesta Key | 83.5°F | 80.4°F | 80.7°F |
| Sarasota | 83.3°F | 80.2°F | 80.5°F |
| Cocoa Beach | 82.5°F | 79.2°F | 79.9°F |
| Tampa | 82.4°F | 79.4°F | 79.3°F |
| St. Petersburg | 82.2°F | 79.4°F | 79.0°F |
| Clearwater Beach | 81.9°F | 78.9°F | 78.8°F |
| Orlando | 81.5°F | 78.4°F | 79.0°F |
| Daytona Beach | 81.2°F | 78.4°F | 78.6°F |
| Kissimmee | 32.0°F | 32.0°F | 32.0°F |
Charts below show average sea water temperature for Florida resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Florida resorts at that time.
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