In October warmest sea in Gulf of Mexico is usually observed in the following locations: South Padre Island, Everglades, Naples.
Table below shows the average sea water temperature for marine resorts of Gulf of Mexico in October for the last three years.
| Place name | October 2026 | October 2025 | October 2024 |
|---|---|---|---|
| South Padre Island | 83.2°F | 84.0°F | 82.4°F |
| Everglades | 82.9°F | 82.5°F | 82.6°F |
| Naples | 82.4°F | 81.9°F | 81.6°F |
| Marco Island | 82.3°F | 82.0°F | 81.9°F |
| Mustang Island | 81.9°F | 82.5°F | 81.3°F |
| Sanibel Island | 81.9°F | 81.6°F | 81.3°F |
| Port Aransas | 81.8°F | 82.3°F | 81.1°F |
| Corpus Christi | 81.4°F | 82.2°F | 80.6°F |
| Siesta Key | 81.3°F | 80.4°F | 80.7°F |
| Cape Coral | 81.1°F | 81.1°F | 81.2°F |
| Sarasota | 81.0°F | 80.2°F | 80.5°F |
| Galveston Island | 80.3°F | 81.1°F | 79.2°F |
| Galveston | 80.3°F | 80.8°F | 78.8°F |
| Houston | 80.1°F | 80.4°F | 78.8°F |
| Panama City Beach | 80.0°F | 79.2°F | 78.9°F |
| Santa Rosa Beach | 79.8°F | 78.9°F | 78.6°F |
| Miramar Beach | 79.8°F | 79.1°F | 78.7°F |
| Tampa | 79.7°F | 79.4°F | 79.3°F |
| Fort Walton Beach | 79.6°F | 79.2°F | 78.6°F |
| St. Petersburg | 79.6°F | 79.4°F | 79.0°F |
| Destin | 79.6°F | 79.0°F | 78.5°F |
| Orlando | 79.5°F | 78.4°F | 79.0°F |
| Grand Isle | 79.4°F | 80.1°F | 78.9°F |
| Pensacola Beach | 79.4°F | 79.1°F | 78.1°F |
| Daytona Beach | 79.2°F | 78.4°F | 78.6°F |
| Clearwater Beach | 79.2°F | 78.9°F | 78.8°F |
| Avery Island | 79.1°F | 78.6°F | 77.2°F |
| Gulf Shores | 78.8°F | 78.9°F | 77.8°F |
| St. George Island | 78.4°F | 77.7°F | 76.4°F |
| Pensacola | 78.3°F | 78.0°F | 76.3°F |
| St. Augustine | 78.3°F | 77.1°F | 77.1°F |
| Orange Beach | 78.3°F | 78.6°F | 77.2°F |
| Mobile | 77.7°F | 78.1°F | 76.5°F |
| New Orleans | 77.6°F | 77.7°F | 76.4°F |
| Jacksonville | 77.5°F | 75.9°F | 75.9°F |
| Dauphin Island | 77.5°F | 77.9°F | 76.5°F |
| Bay Saint Louis | 77.0°F | 77.8°F | 75.5°F |
| Amelia Island | 76.9°F | 75.4°F | 75.3°F |
| Pass Christian | 76.8°F | 77.8°F | 75.4°F |
| Gulfport | 76.7°F | 78.8°F | 75.7°F |
| Long Beach | 76.7°F | 77.9°F | 75.5°F |
| Ocean Springs | 76.7°F | 77.5°F | 75.8°F |
| Biloxi | 76.5°F | 77.5°F | 75.6°F |
| Kissimmee | 32.0°F | 32.0°F | 32.0°F |
Charts below show average sea water temperature for Gulf of Mexico resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Gulf of Mexico resorts at that time.
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