In October warmest sea in Gulf of Mexico is usually observed in the following locations: South Padre Island, Mustang Island, Everglades.
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 2025 | October 2024 | October 2023 |
|---|---|---|---|
| South Padre Island | 84.0°F | 82.4°F | 82.8°F |
| Mustang Island | 82.5°F | 81.3°F | 80.6°F |
| Everglades | 82.5°F | 82.6°F | 82.2°F |
| Port Aransas | 82.3°F | 81.1°F | 80.5°F |
| Corpus Christi | 82.2°F | 80.6°F | 79.9°F |
| Marco Island | 82.0°F | 81.9°F | 81.1°F |
| Naples | 81.9°F | 81.6°F | 81.2°F |
| Sanibel Island | 81.6°F | 81.3°F | 80.3°F |
| Cape Coral | 81.1°F | 81.2°F | 80.3°F |
| Galveston Island | 81.1°F | 79.2°F | 78.9°F |
| Galveston | 80.8°F | 78.8°F | 78.7°F |
| Houston | 80.4°F | 78.8°F | 78.0°F |
| Siesta Key | 80.4°F | 80.7°F | 79.7°F |
| Sarasota | 80.2°F | 80.5°F | 79.4°F |
| Grand Isle | 80.1°F | 78.9°F | 77.6°F |
| Tampa | 79.4°F | 79.3°F | 78.6°F |
| St. Petersburg | 79.4°F | 79.0°F | 78.4°F |
| Panama City Beach | 79.2°F | 78.9°F | 76.5°F |
| Fort Walton Beach | 79.2°F | 78.6°F | 77.3°F |
| Miramar Beach | 79.1°F | 78.7°F | 77.2°F |
| Pensacola Beach | 79.1°F | 78.1°F | 77.0°F |
| Destin | 79.0°F | 78.5°F | 77.2°F |
| Santa Rosa Beach | 78.9°F | 78.6°F | 77.2°F |
| Clearwater Beach | 78.9°F | 78.8°F | 77.7°F |
| Gulf Shores | 78.9°F | 77.8°F | 76.8°F |
| Gulfport | 78.8°F | 75.7°F | 74.9°F |
| Orange Beach | 78.6°F | 77.2°F | 76.6°F |
| Avery Island | 78.6°F | 77.2°F | 76.7°F |
| Orlando | 78.4°F | 79.0°F | 77.5°F |
| Daytona Beach | 78.4°F | 78.6°F | 77.5°F |
| Mobile | 78.1°F | 76.5°F | 76.2°F |
| Pensacola | 78.0°F | 76.3°F | 76.4°F |
| Dauphin Island | 77.9°F | 76.5°F | 75.8°F |
| Long Beach | 77.9°F | 75.5°F | 74.9°F |
| Bay Saint Louis | 77.8°F | 75.5°F | 75.0°F |
| Pass Christian | 77.8°F | 75.4°F | 74.9°F |
| New Orleans | 77.7°F | 76.4°F | 75.0°F |
| St. George Island | 77.7°F | 76.4°F | 75.9°F |
| Biloxi | 77.5°F | 75.6°F | 74.7°F |
| Ocean Springs | 77.5°F | 75.8°F | 74.8°F |
| St. Augustine | 77.1°F | 77.1°F | 76.2°F |
| Jacksonville | 75.9°F | 75.9°F | 75.0°F |
| Amelia Island | 75.4°F | 75.3°F | 74.5°F |
| Kissimmee | 32.0°F | 32.0°F | 78.5°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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