The USA resorts with the warmest sea water temperature in October are West Palm Beach, Fort Lauderdale and Key West.
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 2026 | October 2025 | October 2024 |
|---|---|---|---|
| West Palm Beach | 88.6°F | 87.2°F | 87.0°F |
| Fort Lauderdale | 88.5°F | 87.2°F | 86.6°F |
| Key West | 88.1°F | 87.5°F | 86.6°F |
| Miami Beach | 88.0°F | 87.1°F | 87.1°F |
| Key Largo | 87.8°F | 86.7°F | 86.8°F |
| Islamorada | 87.6°F | 86.8°F | 86.6°F |
| Hialeah | 87.5°F | 86.6°F | 86.6°F |
| South Padre Island | 87.2°F | 87.8°F | 86.0°F |
| Miami | 87.1°F | 86.4°F | 86.6°F |
| Everglades | 87.0°F | 86.1°F | 86.3°F |
| Naples | 86.4°F | 85.5°F | 85.1°F |
| Port St. Lucie | 86.4°F | 83.5°F | 83.8°F |
| Marco Island | 86.3°F | 85.6°F | 85.4°F |
| Mustang Island | 85.9°F | 86.1°F | 84.8°F |
| Sanibel Island | 85.9°F | 85.1°F | 84.8°F |
| Port Aransas | 85.7°F | 85.9°F | 84.5°F |
| Kailua Kona | 85.5°F | 84.3°F | 84.0°F |
| Corpus Christi | 85.4°F | 85.8°F | 84.0°F |
| Siesta Key | 85.3°F | 83.8°F | 84.1°F |
| Sarasota | 85.0°F | 83.6°F | 83.9°F |
| Cape Coral | 85.0°F | 84.5°F | 84.7°F |
| Kihei | 84.5°F | 84.2°F | 84.0°F |
| Cocoa Beach | 84.2°F | 82.4°F | 83.3°F |
| Galveston Island | 84.2°F | 84.5°F | 82.4°F |
| Hilo | 84.1°F | 83.7°F | 83.0°F |
| Galveston | 84.1°F | 84.3°F | 82.0°F |
| Honolulu | 84.0°F | 84.1°F | 84.0°F |
| Hawaii | 84.0°F | 84.0°F | 83.8°F |
| Houston | 83.9°F | 83.8°F | 82.0°F |
| Lanai | 83.8°F | 84.4°F | 84.1°F |
| Kauai | 83.7°F | 84.8°F | 82.4°F |
| Panama City Beach | 83.7°F | 82.5°F | 82.1°F |
| Molokai | 83.7°F | 83.9°F | 83.4°F |
| Princeville | 83.6°F | 84.8°F | 82.4°F |
| Tampa | 83.6°F | 82.7°F | 82.6°F |
| Kahului | 83.6°F | 83.5°F | 83.0°F |
| Santa Rosa Beach | 83.5°F | 82.2°F | 81.8°F |
| Oahu | 83.5°F | 83.1°F | 83.5°F |
| St. Petersburg | 83.5°F | 82.7°F | 82.2°F |
| Miramar Beach | 83.4°F | 82.3°F | 81.9°F |
| Orlando | 83.4°F | 81.6°F | 82.2°F |
| Fort Walton Beach | 83.4°F | 82.5°F | 81.7°F |
| Maui | 83.4°F | 83.2°F | 82.7°F |
| Destin | 83.3°F | 82.3°F | 81.7°F |
| Pensacola Beach | 83.2°F | 82.3°F | 81.3°F |
| Grand Isle | 83.2°F | 83.5°F | 82.1°F |
| Daytona Beach | 83.1°F | 81.5°F | 81.7°F |
| Clearwater Beach | 83.0°F | 82.1°F | 82.0°F |
| Avery Island | 82.9°F | 81.7°F | 80.3°F |
| Gulf Shores | 82.6°F | 82.1°F | 80.9°F |
| St. George Island | 82.2°F | 80.7°F | 79.3°F |
| St. Augustine | 82.1°F | 80.1°F | 80.1°F |
| Pensacola | 82.0°F | 81.1°F | 79.3°F |
| Orange Beach | 82.0°F | 81.8°F | 80.2°F |
| Mobile | 81.5°F | 81.2°F | 79.5°F |
| Jacksonville | 81.3°F | 78.7°F | 78.7°F |
| Dauphin Island | 81.2°F | 81.0°F | 79.4°F |
| New Orleans | 81.2°F | 80.8°F | 79.3°F |
| Amelia Island | 80.7°F | 78.2°F | 78.1°F |
| Bay Saint Louis | 80.5°F | 80.9°F | 78.3°F |
| Pass Christian | 80.3°F | 80.8°F | 78.3°F |
| Gulfport | 80.2°F | 82.0°F | 78.5°F |
| Ocean Springs | 80.2°F | 80.6°F | 78.7°F |
| Long Beach | 80.2°F | 81.0°F | 78.3°F |
| Biloxi | 80.0°F | 80.6°F | 78.5°F |
| Jekyll Island | 79.8°F | 77.4°F | 76.6°F |
| St. Simons Island | 79.7°F | 77.2°F | 76.5°F |
| Tybee Island | 78.6°F | 75.7°F | 76.2°F |
| Hilton Head Island | 78.5°F | 75.4°F | 76.0°F |
| Wilmington Island | 78.0°F | 75.5°F | 75.6°F |
| Oak Island | 77.9°F | 74.5°F | 76.0°F |
| Edisto Beach | 77.9°F | 74.9°F | 76.0°F |
| Arcadian Shores | 77.8°F | 74.4°F | 75.8°F |
| North Myrtle Beach | 77.8°F | 74.3°F | 75.9°F |
| Myrtle Beach | 77.7°F | 74.6°F | 76.0°F |
| Kiawah Island | 77.7°F | 75.0°F | 75.8°F |
| Folly Beach | 77.6°F | 74.7°F | 75.7°F |
| Carolina Beach | 77.6°F | 74.4°F | 75.8°F |
| Isle of Palms | 77.6°F | 74.6°F | 75.6°F |
| Pawleys Island | 77.5°F | 74.8°F | 75.8°F |
| Murrells Inlet | 77.5°F | 74.5°F | 75.7°F |
| Wrightsville Beach | 77.5°F | 74.4°F | 76.1°F |
| Bald Head Island | 77.5°F | 74.1°F | 75.5°F |
| Wilmington | 77.4°F | 74.3°F | 75.9°F |
| Charleston | 77.4°F | 74.6°F | 75.6°F |
| Mount Pleasant | 77.4°F | 74.6°F | 75.5°F |
| North Topsail Beach | 77.2°F | 74.2°F | 75.7°F |
| San Diego | 76.2°F | 67.5°F | 65.4°F |
| Chula Vista | 75.8°F | 66.6°F | 64.5°F |
| Beverly Hills | 75.4°F | 67.8°F | 66.4°F |
| Hollywood | 75.4°F | 67.8°F | 66.4°F |
| Newport Beach | 75.3°F | 68.0°F | 66.3°F |
| Santa Monica | 75.3°F | 67.7°F | 66.4°F |
| Los Angeles | 75.3°F | 67.8°F | 66.3°F |
| Santa Ana | 75.2°F | 67.8°F | 66.2°F |
| Irvine | 75.2°F | 67.8°F | 66.0°F |
| Laguna Beach | 75.1°F | 67.2°F | 66.1°F |
| Hatteras Island | 74.9°F | 72.7°F | 73.0°F |
| Anaheim | 74.9°F | 67.2°F | 65.5°F |
| Long Beach | 74.6°F | 66.4°F | 64.1°F |
| Malibu | 74.5°F | 66.5°F | 65.3°F |
| Santa Catalina Island | 74.4°F | 70.0°F | 68.3°F |
| Santa Barbara | 73.6°F | 66.9°F | 65.6°F |
| Outer Banks | 73.3°F | 71.7°F | 72.1°F |
| Oxnard | 73.3°F | 66.1°F | 65.5°F |
| Chesapeake | 73.2°F | 66.0°F | 71.2°F |
| Nags Head | 72.1°F | 70.2°F | 71.1°F |
| Norfolk | 72.0°F | 66.9°F | 71.0°F |
| Kill Devil Hills | 71.9°F | 69.9°F | 70.9°F |
| Corolla | 71.5°F | 69.1°F | 70.8°F |
| Virginia Beach | 70.5°F | 68.9°F | 70.7°F |
| Baltimore | 70.0°F | 69.1°F | 68.6°F |
| Annapolis | 69.2°F | 68.1°F | 68.7°F |
| Washington | 69.2°F | 68.5°F | 67.7°F |
| Tangier Island | 68.9°F | 68.3°F | 69.7°F |
| Saint Michaels | 68.1°F | 67.4°F | 67.6°F |
| Chincoteague | 68.1°F | 67.4°F | 69.0°F |
| New Castle | 67.6°F | 68.0°F | 67.7°F |
| Ocean City | 67.4°F | 68.2°F | 69.3°F |
| Wilmington | 67.4°F | 67.8°F | 67.5°F |
| Oakland | 67.4°F | 67.2°F | 66.0°F |
| Cleveland | 67.3°F | 66.8°F | 66.5°F |
| Fenwick Island | 67.0°F | 67.8°F | 68.8°F |
| Bethany Beach | 66.9°F | 67.7°F | 68.6°F |
| South Bethany | 66.9°F | 67.7°F | 68.6°F |
| Dewey Beach | 66.8°F | 67.6°F | 68.3°F |
| Stamford | 66.6°F | 67.8°F | 67.3°F |
| Rehoboth Beach | 66.6°F | 67.7°F | 68.3°F |
| Lewes | 66.4°F | 67.5°F | 68.1°F |
| Norwalk | 66.3°F | 67.4°F | 66.8°F |
| Wildwood Crest | 66.3°F | 67.7°F | 67.7°F |
| Wildwood | 66.3°F | 67.7°F | 67.7°F |
| Sea Isle City | 66.2°F | 67.7°F | 67.5°F |
| Cape May | 66.1°F | 67.6°F | 67.7°F |
| Fremont | 66.0°F | 66.7°F | 69.0°F |
| Ocean City | 65.9°F | 67.0°F | 67.2°F |
| Westbrook | 65.9°F | 67.1°F | 65.7°F |
| Long Beach Island | 65.9°F | 66.8°F | 66.8°F |
| Milford | 65.9°F | 67.0°F | 66.4°F |
| Seaside Heights | 65.9°F | 67.1°F | 66.5°F |
| Yonkers | 65.9°F | 66.7°F | 66.0°F |
| Atlantic City | 65.9°F | 66.7°F | 66.8°F |
| Brigantine | 65.9°F | 66.2°F | 66.3°F |
| Beach Haven | 65.9°F | 66.7°F | 66.6°F |
| Erie | 65.8°F | 65.6°F | 65.8°F |
| San Jose | 65.7°F | 66.6°F | 69.0°F |
| New York | 65.6°F | 66.6°F | 65.8°F |
| Old Saybrook | 65.5°F | 66.8°F | 65.2°F |
| Jersey City | 65.5°F | 66.5°F | 65.8°F |
| Newark | 65.5°F | 66.5°F | 65.8°F |
| Monterey | 65.4°F | 62.2°F | 58.9°F |
| Put in Bay | 65.4°F | 66.6°F | 64.5°F |
| New London | 65.1°F | 66.7°F | 64.8°F |
| Sandusky | 65.0°F | 65.9°F | 63.3°F |
| Groton | 65.0°F | 66.7°F | 64.7°F |
| Montauk | 64.8°F | 66.3°F | 64.7°F |
| New Haven | 64.7°F | 66.0°F | 65.0°F |
| San Francisco | 64.6°F | 65.4°F | 63.4°F |
| Port Clinton | 64.4°F | 64.6°F | 62.4°F |
| Westerly | 64.4°F | 66.4°F | 64.6°F |
| Santa Cruz | 64.4°F | 61.9°F | 60.0°F |
| Fire Island | 64.2°F | 67.3°F | 65.5°F |
| Sausalito | 64.2°F | 64.7°F | 63.1°F |
| Stonington | 64.2°F | 66.1°F | 64.2°F |
| Mystic | 64.2°F | 66.1°F | 64.2°F |
| Hampton Bays | 64.0°F | 66.0°F | 64.5°F |
| Block Island | 63.9°F | 66.0°F | 64.4°F |
| New Shoreham | 63.9°F | 66.0°F | 64.4°F |
| Falmouth | 63.6°F | 64.8°F | 64.0°F |
| Newport | 63.6°F | 65.5°F | 64.2°F |
| Charlestown | 63.6°F | 66.0°F | 64.3°F |
| Buffalo | 63.5°F | 64.6°F | 64.3°F |
| Jamestown | 63.5°F | 65.4°F | 64.4°F |
| New Bedford | 63.3°F | 64.5°F | 63.5°F |
| Evanston | 63.3°F | 63.9°F | 64.7°F |
| Oak Park | 63.3°F | 60.3°F | 64.7°F |
| Toledo | 63.3°F | 64.2°F | 61.5°F |
| Chicago | 63.3°F | 54.6°F | 64.5°F |
| Bristol | 63.0°F | 64.4°F | 63.4°F |
| Warwick | 62.8°F | 64.3°F | 63.5°F |
| Michigan City | 62.8°F | 62.9°F | 65.5°F |
| Providence | 62.7°F | 64.1°F | 63.5°F |
| Martha's Vineyard | 62.4°F | 64.4°F | 63.5°F |
| Edgartown | 62.3°F | 64.0°F | 63.3°F |
| Petoskey | 62.2°F | 62.3°F | 60.6°F |
| Rochester | 62.1°F | 62.7°F | 63.3°F |
| Harbor Springs | 62.0°F | 62.4°F | 60.7°F |
| Charlevoix | 61.9°F | 62.5°F | 60.6°F |
| Incline Village | 61.8°F | 60.4°F | 62.4°F |
| Niagara Falls | 61.7°F | 63.8°F | 62.9°F |
| Appleton | 61.7°F | 62.4°F | 60.0°F |
| South Lake Tahoe | 61.5°F | 60.3°F | 62.0°F |
| Stateline | 61.5°F | 60.3°F | 62.1°F |
| Lake Tahoe | 61.5°F | 60.3°F | 62.0°F |
| Oshkosh | 61.4°F | 62.3°F | 59.5°F |
| Dennis Port | 61.0°F | 61.8°F | 61.8°F |
| Astoria | 61.0°F | 60.3°F | 59.4°F |
| Nantucket | 61.0°F | 62.2°F | 62.1°F |
| Green Bay | 60.9°F | 61.8°F | 59.8°F |
| Yosemite | 60.8°F | 57.7°F | 57.7°F |
| Traverse City | 60.6°F | 62.2°F | 60.5°F |
| Siasconset | 60.4°F | 60.8°F | 61.4°F |
| Provincetown | 59.9°F | 59.5°F | 60.3°F |
| Plymouth | 59.8°F | 59.7°F | 60.3°F |
| Milwaukee | 59.4°F | 61.6°F | 64.7°F |
| Chatham | 59.4°F | 60.0°F | 59.9°F |
| Sturgeon Bay | 59.2°F | 60.5°F | 59.9°F |
| South Haven | 59.0°F | 62.3°F | 65.4°F |
| Cambridge | 59.0°F | 59.8°F | 59.8°F |
| Boston | 59.0°F | 59.8°F | 59.9°F |
| Salem | 58.5°F | 59.6°F | 59.1°F |
| Hampton | 57.9°F | 58.8°F | 58.7°F |
| Hampton Beach | 57.9°F | 58.8°F | 58.7°F |
| Saugatuck | 57.6°F | 62.6°F | 64.6°F |
| Marquette | 57.5°F | 57.7°F | 58.6°F |
| Portsmouth | 57.3°F | 58.9°F | 58.2°F |
| Holland | 57.1°F | 62.3°F | 64.1°F |
| York Beach | 56.7°F | 58.4°F | 58.2°F |
| Freeport | 56.6°F | 57.4°F | 57.5°F |
| Ogunquit | 56.5°F | 58.0°F | 58.1°F |
| Wells | 56.3°F | 57.8°F | 57.9°F |
| Mackinac Island | 56.3°F | 59.0°F | 57.2°F |
| Duluth | 56.3°F | 57.6°F | 56.0°F |
| Kennebunkport | 56.3°F | 57.6°F | 57.6°F |
| Bayfield | 56.3°F | 57.3°F | 57.6°F |
| Bellevue | 56.2°F | 55.8°F | 55.0°F |
| Old Orchard Beach | 56.2°F | 57.1°F | 57.2°F |
| Rockland | 56.2°F | 56.9°F | 56.6°F |
| Brunswick | 56.2°F | 57.0°F | 56.9°F |
| Tacoma | 56.1°F | 55.2°F | 54.7°F |
| Camden | 56.1°F | 57.1°F | 56.9°F |
| Ocean Shores | 55.9°F | 56.5°F | 55.3°F |
| Whidbey Island | 55.5°F | 54.6°F | 54.3°F |
| Mount Desert Island | 54.9°F | 55.5°F | 55.3°F |
| Bar Harbor | 54.9°F | 55.4°F | 55.3°F |
| Bellingham | 54.1°F | 53.1°F | 52.9°F |
| Seaside | 54.1°F | 56.5°F | 55.4°F |
| Cannon Beach | 53.8°F | 56.5°F | 55.4°F |
| Florence | 53.6°F | 55.0°F | 51.3°F |
| Pacific City | 53.2°F | 56.3°F | 54.6°F |
| Lincoln City | 53.1°F | 56.0°F | 53.8°F |
| Depoe Bay | 53.1°F | 56.1°F | 53.2°F |
| Rockaway Beach | 52.8°F | 56.0°F | 54.5°F |
| Newport | 52.7°F | 56.3°F | 52.2°F |
| Ketchikan | 51.1°F | 52.5°F | 49.3°F |
| Port Angeles | 51.0°F | 50.5°F | 49.7°F |
| Grand Marais | 50.0°F | 54.2°F | 51.0°F |
| Sitka | 49.5°F | 50.7°F | 49.0°F |
| Seward | 49.4°F | 50.5°F | 49.4°F |
| Kenai | 48.2°F | 49.2°F | 47.3°F |
| Valdez | 47.8°F | 47.9°F | 47.7°F |
| Homer | 47.0°F | 49.5°F | 47.4°F |
| Juneau | 46.3°F | 46.3°F | 46.0°F |
| Haines | 46.2°F | 47.2°F | 45.4°F |
| Anchorage | 45.9°F | 46.4°F | 43.6°F |
| Wasilla | 44.3°F | 45.0°F | 43.4°F |
| Girdwood | 42.1°F | 46.0°F | 44.9°F |
| Kissimmee | 30.0°F | 30.0°F | 30.0°F |
| Lake Geneva | 30.0°F | 30.0°F | 30.0°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
| West Palm Beach |
Sea Water
Temperature
Temperature
| Fort Lauderdale |
Sea Water
Temperature
Temperature
| Key West |
USA Resorts:
NAME
F°
| Boston |  |
+60 |
| Chicago |  |
+58 |
| Hawaii | |
+82 |
| Houston | |
+76 |
| Las Vegas |  |
+70 |
| Los Angeles | |
+76 |
| Maui |  |
+78 |
| Miami |  |
+82 |
| New York | |
+64 |
| Panama City Beach | |
+66 |
| San Diego | |
+74 |
| San Francisco | |
+62 |
| Santa Monica | |
+74 |
| Tampa | |
+76 |
| Washington | |
+60 |
