The USA resorts with the warmest sea water temperature in October are South Padre Island, Key West and West Palm Beach.
Below you can see a list of all popular USA resorts and information about sea water temperature in October for the last two years.
| Resort Name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| South Padre Island | 87.8°F | 86.0°F | 86.5°F |
| Key West | 87.5°F | 86.6°F | 87.1°F |
| West Palm Beach | 87.2°F | 87.0°F | 88.0°F |
| Fort Lauderdale | 87.2°F | 86.6°F | 87.9°F |
| Miami Beach | 87.1°F | 87.1°F | 87.2°F |
| Islamorada | 86.8°F | 86.6°F | 86.7°F |
| Key Largo | 86.7°F | 86.8°F | 86.0°F |
| Hialeah | 86.6°F | 86.6°F | 86.6°F |
| Miami | 86.4°F | 86.6°F | 86.0°F |
| Mustang Island | 86.1°F | 84.8°F | 84.0°F |
| Everglades | 86.1°F | 86.3°F | 85.8°F |
| Port Aransas | 85.9°F | 84.5°F | 83.9°F |
| Corpus Christi | 85.8°F | 84.0°F | 83.2°F |
| Marco Island | 85.6°F | 85.4°F | 84.6°F |
| Naples | 85.5°F | 85.1°F | 84.6°F |
| Sanibel Island | 85.1°F | 84.8°F | 83.6°F |
| Princeville | 84.8°F | 82.4°F | 84.1°F |
| Kauai | 84.8°F | 82.4°F | 84.0°F |
| Cape Coral | 84.5°F | 84.7°F | 83.6°F |
| Galveston Island | 84.5°F | 82.4°F | 82.1°F |
| Lanai | 84.4°F | 84.1°F | 84.0°F |
| Kailua Kona | 84.3°F | 84.0°F | 84.0°F |
| Galveston | 84.3°F | 82.0°F | 81.9°F |
| Kihei | 84.2°F | 84.0°F | 83.8°F |
| Honolulu | 84.1°F | 84.0°F | 84.2°F |
| Hawaii | 84.0°F | 83.8°F | 84.0°F |
| Molokai | 83.9°F | 83.4°F | 84.3°F |
| Houston | 83.8°F | 82.0°F | 81.1°F |
| Siesta Key | 83.8°F | 84.1°F | 83.0°F |
| Hilo | 83.7°F | 83.0°F | 83.2°F |
| Sarasota | 83.6°F | 83.9°F | 82.7°F |
| Port St. Lucie | 83.5°F | 83.8°F | 83.9°F |
| Grand Isle | 83.5°F | 82.1°F | 80.6°F |
| Kahului | 83.5°F | 83.0°F | 83.3°F |
| Maui | 83.2°F | 82.7°F | 83.0°F |
| Oahu | 83.1°F | 83.5°F | 83.4°F |
| Tampa | 82.7°F | 82.6°F | 81.7°F |
| St. Petersburg | 82.7°F | 82.2°F | 81.6°F |
| Panama City Beach | 82.5°F | 82.1°F | 79.5°F |
| Fort Walton Beach | 82.5°F | 81.7°F | 80.4°F |
| Cocoa Beach | 82.4°F | 83.3°F | 82.1°F |
| Miramar Beach | 82.3°F | 81.9°F | 80.3°F |
| Pensacola Beach | 82.3°F | 81.3°F | 80.0°F |
| Destin | 82.3°F | 81.7°F | 80.3°F |
| Santa Rosa Beach | 82.2°F | 81.8°F | 80.2°F |
| Clearwater Beach | 82.1°F | 82.0°F | 80.8°F |
| Gulf Shores | 82.1°F | 80.9°F | 79.8°F |
| Gulfport | 82.0°F | 78.5°F | 77.7°F |
| Orange Beach | 81.8°F | 80.2°F | 79.6°F |
| Avery Island | 81.7°F | 80.3°F | 79.6°F |
| Orlando | 81.6°F | 82.2°F | 80.5°F |
| Daytona Beach | 81.5°F | 81.7°F | 80.6°F |
| Mobile | 81.2°F | 79.5°F | 79.1°F |
| Pensacola | 81.1°F | 79.3°F | 79.3°F |
| Dauphin Island | 81.0°F | 79.4°F | 78.6°F |
| Long Beach | 81.0°F | 78.3°F | 77.7°F |
| Bay Saint Louis | 80.9°F | 78.3°F | 77.8°F |
| Pass Christian | 80.8°F | 78.3°F | 77.7°F |
| New Orleans | 80.8°F | 79.3°F | 77.8°F |
| St. George Island | 80.7°F | 79.3°F | 78.8°F |
| Biloxi | 80.6°F | 78.5°F | 77.4°F |
| Ocean Springs | 80.6°F | 78.7°F | 77.6°F |
| St. Augustine | 80.1°F | 80.1°F | 79.1°F |
| Jacksonville | 78.7°F | 78.7°F | 77.8°F |
| Amelia Island | 78.2°F | 78.1°F | 77.3°F |
| Jekyll Island | 77.4°F | 76.6°F | 76.0°F |
| St. Simons Island | 77.2°F | 76.5°F | 75.3°F |
| Tybee Island | 75.7°F | 76.2°F | 75.0°F |
| Wilmington Island | 75.5°F | 75.6°F | 74.5°F |
| Hilton Head Island | 75.4°F | 76.0°F | 74.9°F |
| Kiawah Island | 75.0°F | 75.8°F | 74.2°F |
| Edisto Beach | 74.9°F | 76.0°F | 74.3°F |
| Pawleys Island | 74.8°F | 75.8°F | 74.0°F |
| Folly Beach | 74.7°F | 75.7°F | 74.3°F |
| Isle of Palms | 74.6°F | 75.6°F | 73.7°F |
| Charleston | 74.6°F | 75.6°F | 73.9°F |
| Myrtle Beach | 74.6°F | 76.0°F | 74.1°F |
| Mount Pleasant | 74.6°F | 75.5°F | 73.6°F |
| Oak Island | 74.5°F | 76.0°F | 74.3°F |
| Murrells Inlet | 74.5°F | 75.7°F | 73.9°F |
| Arcadian Shores | 74.4°F | 75.8°F | 74.0°F |
| Wrightsville Beach | 74.4°F | 76.1°F | 74.6°F |
| Carolina Beach | 74.4°F | 75.8°F | 73.9°F |
| Wilmington | 74.3°F | 75.9°F | 74.3°F |
| North Myrtle Beach | 74.3°F | 75.9°F | 74.2°F |
| North Topsail Beach | 74.2°F | 75.7°F | 73.3°F |
| Bald Head Island | 74.1°F | 75.5°F | 74.0°F |
| Hatteras Island | 72.7°F | 73.0°F | 72.4°F |
| Outer Banks | 71.7°F | 72.1°F | 72.0°F |
| Nags Head | 70.2°F | 71.1°F | 71.5°F |
| Santa Catalina Island | 70.0°F | 68.3°F | 70.2°F |
| Kill Devil Hills | 69.9°F | 70.9°F | 70.8°F |
| Corolla | 69.1°F | 70.8°F | 70.5°F |
| Baltimore | 69.1°F | 68.6°F | 68.1°F |
| Virginia Beach | 68.9°F | 70.7°F | 69.6°F |
| Washington | 68.5°F | 67.7°F | 68.3°F |
| Tangier Island | 68.3°F | 69.7°F | 68.6°F |
| Ocean City | 68.2°F | 69.3°F | 67.7°F |
| Annapolis | 68.1°F | 68.7°F | 68.3°F |
| Newport Beach | 68.0°F | 66.3°F | 68.9°F |
| New Castle | 68.0°F | 67.7°F | 66.0°F |
| Los Angeles | 67.8°F | 66.3°F | 68.4°F |
| Wilmington | 67.8°F | 67.5°F | 65.6°F |
| Fenwick Island | 67.8°F | 68.8°F | 67.9°F |
| Santa Ana | 67.8°F | 66.2°F | 68.6°F |
| Irvine | 67.8°F | 66.0°F | 68.8°F |
| Stamford | 67.8°F | 67.3°F | 66.0°F |
| Beverly Hills | 67.8°F | 66.4°F | 68.0°F |
| Hollywood | 67.8°F | 66.4°F | 68.0°F |
| Wildwood Crest | 67.7°F | 67.7°F | 66.4°F |
| Wildwood | 67.7°F | 67.7°F | 66.4°F |
| Rehoboth Beach | 67.7°F | 68.3°F | 67.1°F |
| Santa Monica | 67.7°F | 66.4°F | 68.0°F |
| Sea Isle City | 67.7°F | 67.5°F | 66.3°F |
| Bethany Beach | 67.7°F | 68.6°F | 67.7°F |
| South Bethany | 67.7°F | 68.6°F | 68.0°F |
| Cape May | 67.6°F | 67.7°F | 66.2°F |
| Dewey Beach | 67.6°F | 68.3°F | 67.1°F |
| San Diego | 67.5°F | 65.4°F | 67.7°F |
| Lewes | 67.5°F | 68.1°F | 67.0°F |
| Norwalk | 67.4°F | 66.8°F | 66.0°F |
| Saint Michaels | 67.4°F | 67.6°F | 66.5°F |
| Chincoteague | 67.4°F | 69.0°F | 67.9°F |
| Fire Island | 67.3°F | 65.5°F | 63.0°F |
| Anaheim | 67.2°F | 65.5°F | 68.0°F |
| Laguna Beach | 67.2°F | 66.1°F | 69.0°F |
| Oakland | 67.2°F | 66.0°F | 66.4°F |
| Westbrook | 67.1°F | 65.7°F | 64.7°F |
| Seaside Heights | 67.1°F | 66.5°F | 65.7°F |
| Milford | 67.0°F | 66.4°F | 65.7°F |
| Ocean City | 67.0°F | 67.2°F | 66.0°F |
| Santa Barbara | 66.9°F | 65.6°F | 65.8°F |
| Norfolk | 66.9°F | 71.0°F | 71.1°F |
| Long Beach Island | 66.8°F | 66.8°F | 65.7°F |
| Cleveland | 66.8°F | 66.5°F | 64.2°F |
| Old Saybrook | 66.8°F | 65.2°F | 64.7°F |
| Yonkers | 66.7°F | 66.0°F | 65.1°F |
| Atlantic City | 66.7°F | 66.8°F | 65.9°F |
| Fremont | 66.7°F | 69.0°F | 67.8°F |
| New London | 66.7°F | 64.8°F | 64.2°F |
| Groton | 66.7°F | 64.7°F | 64.2°F |
| Beach Haven | 66.7°F | 66.6°F | 65.7°F |
| Put in Bay | 66.6°F | 64.5°F | 62.9°F |
| New York | 66.6°F | 65.8°F | 65.2°F |
| Chula Vista | 66.6°F | 64.5°F | 66.9°F |
| San Jose | 66.6°F | 69.0°F | 67.6°F |
| Malibu | 66.5°F | 65.3°F | 67.2°F |
| Jersey City | 66.5°F | 65.8°F | 65.2°F |
| Newark | 66.5°F | 65.8°F | 65.2°F |
| Westerly | 66.4°F | 64.6°F | 63.9°F |
| Long Beach | 66.4°F | 64.1°F | 66.8°F |
| Montauk | 66.3°F | 64.7°F | 64.6°F |
| Brigantine | 66.2°F | 66.3°F | 65.8°F |
| Oxnard | 66.1°F | 65.5°F | 65.3°F |
| Stonington | 66.1°F | 64.2°F | 63.7°F |
| Mystic | 66.1°F | 64.2°F | 63.7°F |
| New Haven | 66.0°F | 65.0°F | 65.0°F |
| Chesapeake | 66.0°F | 71.2°F | 72.0°F |
| Hampton Bays | 66.0°F | 64.5°F | 64.1°F |
| Charlestown | 66.0°F | 64.3°F | 63.6°F |
| Block Island | 66.0°F | 64.4°F | 63.8°F |
| New Shoreham | 66.0°F | 64.4°F | 63.6°F |
| Sandusky | 65.9°F | 63.3°F | 62.8°F |
| Erie | 65.6°F | 65.8°F | 64.1°F |
| Newport | 65.5°F | 64.2°F | 64.3°F |
| Jamestown | 65.4°F | 64.4°F | 64.7°F |
| San Francisco | 65.4°F | 63.4°F | 64.5°F |
| Falmouth | 64.8°F | 64.0°F | 65.0°F |
| Sausalito | 64.7°F | 63.1°F | 64.0°F |
| Buffalo | 64.6°F | 64.3°F | 63.7°F |
| Port Clinton | 64.6°F | 62.4°F | 61.4°F |
| New Bedford | 64.5°F | 63.5°F | 64.6°F |
| Martha's Vineyard | 64.4°F | 63.5°F | 64.9°F |
| Bristol | 64.4°F | 63.4°F | 63.5°F |
| Warwick | 64.3°F | 63.5°F | 63.8°F |
| Toledo | 64.2°F | 61.5°F | 60.7°F |
| Providence | 64.1°F | 63.5°F | 63.7°F |
| Edgartown | 64.0°F | 63.3°F | 64.2°F |
| Evanston | 63.9°F | 64.7°F | 61.3°F |
| Niagara Falls | 63.8°F | 62.9°F | 63.2°F |
| Michigan City | 62.9°F | 65.5°F | 60.8°F |
| Rochester | 62.7°F | 63.3°F | 63.3°F |
| Saugatuck | 62.6°F | 64.6°F | 60.6°F |
| Charlevoix | 62.5°F | 60.6°F | 58.8°F |
| Harbor Springs | 62.4°F | 60.7°F | 57.6°F |
| Appleton | 62.4°F | 60.0°F | 59.4°F |
| Petoskey | 62.3°F | 60.6°F | 57.6°F |
| South Haven | 62.3°F | 65.4°F | 61.7°F |
| Holland | 62.3°F | 64.1°F | 59.6°F |
| Oshkosh | 62.3°F | 59.5°F | 59.4°F |
| Nantucket | 62.2°F | 62.1°F | 63.0°F |
| Monterey | 62.2°F | 58.9°F | 60.3°F |
| Traverse City | 62.2°F | 60.5°F | 61.1°F |
| Santa Cruz | 61.9°F | 60.0°F | 61.0°F |
| Dennis Port | 61.8°F | 61.8°F | 62.8°F |
| Green Bay | 61.8°F | 59.8°F | 59.5°F |
| Milwaukee | 61.6°F | 64.7°F | 61.3°F |
| Siasconset | 60.8°F | 61.4°F | 61.7°F |
| Sturgeon Bay | 60.5°F | 59.9°F | 60.1°F |
| Incline Village | 60.4°F | 62.4°F | 60.4°F |
| Astoria | 60.3°F | 59.4°F | 61.6°F |
| Oak Park | 60.3°F | 64.7°F | 61.1°F |
| Lake Tahoe | 60.3°F | 62.0°F | 60.4°F |
| South Lake Tahoe | 60.3°F | 62.0°F | 60.2°F |
| Stateline | 60.3°F | 62.1°F | 60.2°F |
| Chatham | 60.0°F | 59.9°F | 60.9°F |
| Boston | 59.8°F | 59.9°F | 60.7°F |
| Cambridge | 59.8°F | 59.8°F | 60.7°F |
| Plymouth | 59.7°F | 60.3°F | 61.8°F |
| Salem | 59.6°F | 59.1°F | 60.7°F |
| Provincetown | 59.5°F | 60.3°F | 61.7°F |
| Mackinac Island | 59.0°F | 57.2°F | 57.4°F |
| Portsmouth | 58.9°F | 58.2°F | 58.3°F |
| Hampton | 58.8°F | 58.7°F | 59.6°F |
| Hampton Beach | 58.8°F | 58.7°F | 59.9°F |
| York Beach | 58.4°F | 58.2°F | 59.2°F |
| Ogunquit | 58.0°F | 58.1°F | 59.3°F |
| Wells | 57.8°F | 57.9°F | 59.3°F |
| Yosemite | 57.7°F | 57.7°F | 57.7°F |
| Marquette | 57.7°F | 58.6°F | 54.3°F |
| Duluth | 57.6°F | 56.0°F | 59.1°F |
| Kennebunkport | 57.6°F | 57.6°F | 59.0°F |
| Freeport | 57.4°F | 57.5°F | 58.4°F |
| Bayfield | 57.3°F | 57.6°F | 58.3°F |
| Camden | 57.1°F | 56.9°F | 57.7°F |
| Old Orchard Beach | 57.1°F | 57.2°F | 58.7°F |
| Brunswick | 57.0°F | 56.9°F | 57.9°F |
| Rockland | 56.9°F | 56.6°F | 57.8°F |
| Ocean Shores | 56.5°F | 55.3°F | 57.5°F |
| Cannon Beach | 56.5°F | 55.4°F | 56.8°F |
| Seaside | 56.5°F | 55.4°F | 56.9°F |
| Newport | 56.3°F | 52.2°F | 56.5°F |
| Pacific City | 56.3°F | 54.6°F | 56.0°F |
| Depoe Bay | 56.1°F | 53.2°F | 56.2°F |
| Lincoln City | 56.0°F | 53.8°F | 56.0°F |
| Rockaway Beach | 56.0°F | 54.5°F | 55.9°F |
| Bellevue | 55.8°F | 55.0°F | 55.7°F |
| Mount Desert Island | 55.5°F | 55.3°F | 56.4°F |
| Bar Harbor | 55.4°F | 55.3°F | 56.3°F |
| Tacoma | 55.2°F | 54.7°F | 55.2°F |
| Florence | 55.0°F | 51.3°F | 55.9°F |
| Whidbey Island | 54.6°F | 54.3°F | 55.1°F |
| Chicago | 54.6°F | 64.5°F | 60.1°F |
| Grand Marais | 54.2°F | 51.0°F | 56.7°F |
| Bellingham | 53.1°F | 52.9°F | 53.5°F |
| Ketchikan | 52.5°F | 49.3°F | 50.5°F |
| Sitka | 50.7°F | 49.0°F | 50.1°F |
| Seward | 50.5°F | 49.4°F | 49.3°F |
| Port Angeles | 50.5°F | 49.7°F | 51.7°F |
| Homer | 49.5°F | 47.4°F | 47.1°F |
| Kenai | 49.2°F | 47.3°F | 46.7°F |
| Valdez | 47.9°F | 47.7°F | 47.8°F |
| Haines | 47.2°F | 45.4°F | 46.2°F |
| Anchorage | 46.4°F | 43.6°F | 43.2°F |
| Juneau | 46.3°F | 46.0°F | 46.7°F |
| Girdwood | 46.0°F | 44.9°F | 44.1°F |
| Wasilla | 45.0°F | 43.4°F | 43.6°F |
| Kissimmee | 30.0°F | 30.0°F | 81.7°F |
| Lake Geneva | 30.0°F | 30.0°F | 60.5°F |
Please see following sea water temperature averages charts for the warmest USA resorts in October.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| South Padre Island |
Sea Water
Temperature
Temperature
| Key West |
Sea Water
Temperature
Temperature
| West Palm Beach |
USA Resorts:
NAME
F°
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
