The USA resorts with the warmest sea water temperature at this moment are Key West, Everglades and Key Largo.
Below you can see a list of all popular USA resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
August 2025 | September 2025 |
|---|---|---|---|
| Key West | 95.0°F | 93.1°F | 91.0°F |
| Everglades | 94.8°F | 93.1°F | 90.2°F |
| Key Largo | 94.2°F | 93.0°F | 90.6°F |
| Islamorada | 94.2°F | 93.1°F | 90.8°F |
| New Orleans | 93.6°F | 91.5°F | 88.1°F |
| Marco Island | 93.4°F | 93.0°F | 90.0°F |
| Cape Coral | 93.2°F | 93.1°F | 89.1°F |
| Sanibel Island | 93.2°F | 93.2°F | 89.6°F |
| Naples | 93.0°F | 93.0°F | 90.1°F |
| Biloxi | 93.0°F | 90.9°F | 87.7°F |
| Ocean Springs | 93.0°F | 90.9°F | 87.8°F |
| Mobile | 92.8°F | 90.3°F | 87.8°F |
| Dauphin Island | 92.6°F | 90.8°F | 88.0°F |
| Gulfport | 92.6°F | 90.7°F | 87.8°F |
| Miami Beach | 92.4°F | 92.1°F | 90.2°F |
| Bay Saint Louis | 92.4°F | 90.7°F | 87.8°F |
| Pass Christian | 92.4°F | 90.8°F | 87.9°F |
| Long Beach | 92.4°F | 90.7°F | 87.8°F |
| Miami | 92.2°F | 92.3°F | 89.7°F |
| Houston | 92.2°F | 92.0°F | 88.7°F |
| Pensacola | 92.0°F | 90.6°F | 87.6°F |
| Siesta Key | 92.0°F | 92.8°F | 88.7°F |
| Grand Isle | 92.0°F | 92.2°F | 89.1°F |
| Galveston | 92.0°F | 92.1°F | 89.4°F |
| Hialeah | 92.0°F | 92.1°F | 89.8°F |
| Tampa | 91.8°F | 92.9°F | 88.2°F |
| Sarasota | 91.8°F | 92.9°F | 88.7°F |
| Avery Island | 91.6°F | 91.3°F | 88.5°F |
| Orange Beach | 91.4°F | 90.6°F | 87.8°F |
| Panama City Beach | 91.4°F | 90.2°F | 87.1°F |
| Clearwater Beach | 91.4°F | 92.8°F | 87.8°F |
| Pensacola Beach | 91.4°F | 90.6°F | 87.7°F |
| St. Petersburg | 91.4°F | 93.0°F | 87.9°F |
| St. George Island | 91.4°F | 90.5°F | 87.3°F |
| Galveston Island | 91.4°F | 92.0°F | 89.5°F |
| Fort Lauderdale | 91.2°F | 91.3°F | 90.4°F |
| Hilton Head Island | 91.0°F | 88.9°F | 83.2°F |
| Chesapeake | 90.8°F | 83.2°F | 77.4°F |
| Port St. Lucie | 90.8°F | 89.4°F | 88.1°F |
| Gulf Shores | 90.6°F | 90.8°F | 88.1°F |
| West Palm Beach | 90.6°F | 90.9°F | 90.2°F |
| Tybee Island | 90.6°F | 88.3°F | 83.1°F |
| Miramar Beach | 90.4°F | 90.0°F | 86.9°F |
| Santa Rosa Beach | 90.4°F | 89.9°F | 87.1°F |
| Destin | 90.4°F | 90.0°F | 86.8°F |
| Fort Walton Beach | 90.4°F | 89.9°F | 86.9°F |
| Corpus Christi | 90.4°F | 91.2°F | 89.8°F |
| Wilmington Island | 90.2°F | 88.1°F | 83.1°F |
| Edisto Beach | 90.2°F | 88.2°F | 82.8°F |
| Kiawah Island | 90.0°F | 87.9°F | 82.5°F |
| Port Aransas | 89.6°F | 90.4°F | 89.7°F |
| Cocoa Beach | 89.4°F | 90.9°F | 88.5°F |
| Bald Head Island | 89.4°F | 85.8°F | 81.5°F |
| Folly Beach | 89.4°F | 87.8°F | 82.2°F |
| Charleston | 89.2°F | 87.9°F | 82.0°F |
| Isle of Palms | 89.2°F | 87.5°F | 82.0°F |
| Mount Pleasant | 89.2°F | 87.7°F | 81.9°F |
| Oak Island | 89.0°F | 86.4°F | 81.6°F |
| Mustang Island | 89.0°F | 90.3°F | 90.0°F |
| Jekyll Island | 88.8°F | 89.7°F | 84.1°F |
| St. Simons Island | 88.8°F | 89.7°F | 84.1°F |
| Outer Banks | 88.2°F | 83.4°F | 78.1°F |
| South Padre Island | 88.2°F | 88.3°F | 90.0°F |
| Norfolk | 88.0°F | 83.1°F | 76.9°F |
| Carolina Beach | 87.8°F | 85.4°F | 81.2°F |
| North Myrtle Beach | 87.2°F | 86.9°F | 81.7°F |
| Myrtle Beach | 87.0°F | 86.8°F | 81.8°F |
| Murrells Inlet | 86.8°F | 86.9°F | 81.6°F |
| Orlando | 86.6°F | 88.7°F | 86.5°F |
| Hatteras Island | 86.6°F | 83.3°F | 78.2°F |
| North Topsail Beach | 86.6°F | 85.3°F | 80.8°F |
| Wilmington | 86.6°F | 85.4°F | 81.1°F |
| Arcadian Shores | 86.6°F | 86.9°F | 81.7°F |
| St. Augustine | 86.4°F | 88.5°F | 85.3°F |
| Wrightsville Beach | 86.2°F | 85.4°F | 81.0°F |
| Daytona Beach | 86.0°F | 88.4°F | 86.3°F |
| Kailua Kona | 85.8°F | 84.3°F | 84.3°F |
| Amelia Island | 85.8°F | 89.0°F | 84.4°F |
| Kill Devil Hills | 85.8°F | 83.0°F | 77.4°F |
| Pawleys Island | 85.8°F | 86.9°F | 81.7°F |
| Nags Head | 85.6°F | 83.0°F | 77.6°F |
| Tangier Island | 85.6°F | 83.3°F | 76.4°F |
| Hilo | 85.0°F | 83.2°F | 83.8°F |
| Jacksonville | 85.0°F | 88.8°F | 84.6°F |
| Washington | 84.8°F | 84.9°F | 77.4°F |
| Saint Michaels | 84.8°F | 84.0°F | 76.4°F |
| Hawaii | 84.6°F | 84.0°F | 83.9°F |
| Honolulu | 84.6°F | 84.2°F | 84.0°F |
| Kihei | 84.6°F | 84.6°F | 84.5°F |
| Oahu | 84.4°F | 82.8°F | 83.2°F |
| Lanai | 84.4°F | 84.6°F | 84.5°F |
| Kauai | 84.2°F | 82.3°F | 85.0°F |
| Molokai | 84.2°F | 83.4°F | 83.8°F |
| Corolla | 84.2°F | 82.8°F | 77.4°F |
| Princeville | 84.0°F | 82.5°F | 85.0°F |
| Kahului | 83.6°F | 83.2°F | 83.6°F |
| New Castle | 83.6°F | 82.9°F | 76.2°F |
| Annapolis | 83.6°F | 83.5°F | 77.3°F |
| Baltimore | 83.6°F | 83.6°F | 77.0°F |
| Wilmington | 83.4°F | 82.8°F | 76.0°F |
| Maui | 83.2°F | 82.8°F | 83.2°F |
| Virginia Beach | 82.4°F | 81.6°F | 76.4°F |
| Ocean City | 82.0°F | 79.6°F | 75.5°F |
| Chincoteague | 81.2°F | 80.1°F | 75.5°F |
| Lewes | 80.4°F | 79.5°F | 75.0°F |
| Ocean City | 80.4°F | 78.7°F | 74.1°F |
| Fenwick Island | 80.2°F | 78.5°F | 75.3°F |
| Wildwood Crest | 80.2°F | 78.8°F | 74.6°F |
| Wildwood | 80.2°F | 78.8°F | 74.6°F |
| Brigantine | 80.0°F | 79.0°F | 73.8°F |
| Atlantic City | 79.8°F | 78.7°F | 74.0°F |
| Rehoboth Beach | 79.6°F | 79.3°F | 75.0°F |
| Beach Haven | 79.6°F | 78.9°F | 73.9°F |
| Long Beach Island | 79.4°F | 78.6°F | 73.8°F |
| Cape May | 79.4°F | 78.5°F | 74.7°F |
| Dewey Beach | 79.0°F | 79.4°F | 75.2°F |
| Sea Isle City | 79.0°F | 78.8°F | 74.3°F |
| Seaside Heights | 78.6°F | 78.1°F | 73.5°F |
| Bethany Beach | 78.4°F | 78.1°F | 75.2°F |
| South Bethany | 78.4°F | 78.1°F | 75.2°F |
| Laguna Beach | 78.0°F | 73.5°F | 70.5°F |
| New York | 77.8°F | 77.5°F | 73.5°F |
| Milford | 77.8°F | 76.3°F | 73.2°F |
| Newark | 77.8°F | 77.5°F | 73.6°F |
| Jersey City | 77.8°F | 77.6°F | 73.5°F |
| Put in Bay | 77.8°F | 79.8°F | 73.0°F |
| Irvine | 77.8°F | 72.9°F | 71.5°F |
| Stamford | 77.6°F | 76.2°F | 73.6°F |
| Cleveland | 77.6°F | 78.0°F | 73.6°F |
| Norwalk | 77.4°F | 76.2°F | 73.5°F |
| Hampton Bays | 77.4°F | 76.3°F | 72.3°F |
| Newport Beach | 77.2°F | 72.8°F | 71.7°F |
| New Haven | 77.2°F | 76.4°F | 72.8°F |
| Port Clinton | 77.2°F | 79.6°F | 73.1°F |
| Fire Island | 77.0°F | 76.4°F | 72.6°F |
| Niagara Falls | 77.0°F | 75.5°F | 68.2°F |
| Yonkers | 77.0°F | 76.6°F | 73.6°F |
| Michigan City | 76.8°F | 77.3°F | 70.8°F |
| Falmouth | 76.8°F | 74.8°F | 71.8°F |
| New Bedford | 76.6°F | 75.1°F | 71.6°F |
| Sandusky | 76.6°F | 79.8°F | 73.3°F |
| Bristol | 76.6°F | 75.8°F | 71.8°F |
| Santa Ana | 76.6°F | 72.7°F | 71.5°F |
| Buffalo | 76.4°F | 77.2°F | 69.9°F |
| Anaheim | 76.4°F | 72.2°F | 70.7°F |
| Evanston | 76.2°F | 76.5°F | 71.7°F |
| Warwick | 76.2°F | 75.8°F | 71.5°F |
| Santa Catalina Island | 76.0°F | 71.9°F | 72.9°F |
| Oak Park | 76.0°F | 76.5°F | 69.7°F |
| Westbrook | 75.8°F | 74.1°F | 71.9°F |
| Erie | 75.8°F | 78.3°F | 71.7°F |
| Chicago | 75.6°F | 76.5°F | 66.7°F |
| Dennis Port | 75.6°F | 73.8°F | 70.5°F |
| Providence | 75.6°F | 75.6°F | 71.2°F |
| Santa Monica | 75.4°F | 72.8°F | 72.6°F |
| Old Saybrook | 75.4°F | 73.4°F | 71.3°F |
| Beverly Hills | 75.2°F | 72.8°F | 72.6°F |
| Hollywood | 75.2°F | 72.8°F | 72.6°F |
| Toledo | 75.2°F | 78.9°F | 72.5°F |
| Los Angeles | 75.0°F | 72.6°F | 72.9°F |
| Appleton | 75.0°F | 77.6°F | 69.4°F |
| Milwaukee | 74.8°F | 73.5°F | 68.8°F |
| Oshkosh | 74.8°F | 77.2°F | 69.7°F |
| Yosemite | 74.4°F | 71.4°F | 67.3°F |
| Jamestown | 74.4°F | 73.0°F | 70.7°F |
| Green Bay | 74.4°F | 76.2°F | 69.0°F |
| Edgartown | 74.2°F | 72.4°F | 70.2°F |
| Rochester | 74.2°F | 76.1°F | 70.0°F |
| Nantucket | 74.0°F | 71.9°F | 69.7°F |
| Traverse City | 74.0°F | 74.9°F | 68.3°F |
| Newport | 74.0°F | 73.2°F | 70.8°F |
| Long Beach | 73.8°F | 71.2°F | 69.4°F |
| Montauk | 73.8°F | 72.2°F | 70.8°F |
| Oxnard | 73.8°F | 68.0°F | 69.5°F |
| San Diego | 73.6°F | 71.0°F | 69.3°F |
| New London | 73.6°F | 72.6°F | 70.9°F |
| Charlestown | 73.6°F | 71.8°F | 70.1°F |
| Malibu | 73.4°F | 71.2°F | 71.7°F |
| Santa Barbara | 73.4°F | 68.0°F | 70.6°F |
| Groton | 73.4°F | 72.6°F | 70.8°F |
| Petoskey | 73.4°F | 72.6°F | 66.8°F |
| Fremont | 73.4°F | 69.2°F | 71.8°F |
| San Jose | 73.2°F | 68.9°F | 71.7°F |
| Saugatuck | 73.2°F | 72.9°F | 69.5°F |
| Harbor Springs | 73.2°F | 72.7°F | 66.9°F |
| Chula Vista | 73.2°F | 70.7°F | 68.5°F |
| Martha's Vineyard | 72.8°F | 71.2°F | 69.9°F |
| Charlevoix | 72.8°F | 72.6°F | 66.5°F |
| Block Island | 72.8°F | 71.1°F | 70.0°F |
| New Shoreham | 72.8°F | 71.1°F | 70.0°F |
| Westerly | 72.4°F | 71.5°F | 70.2°F |
| Incline Village | 72.2°F | 70.0°F | 68.0°F |
| Stonington | 71.8°F | 71.9°F | 70.2°F |
| Mystic | 71.8°F | 71.9°F | 70.2°F |
| Chatham | 71.8°F | 69.8°F | 67.2°F |
| South Haven | 71.6°F | 74.3°F | 70.5°F |
| Stateline | 71.2°F | 70.1°F | 67.7°F |
| Sturgeon Bay | 71.2°F | 72.2°F | 65.7°F |
| South Lake Tahoe | 71.0°F | 70.2°F | 67.7°F |
| Siasconset | 71.0°F | 69.8°F | 68.0°F |
| Lake Tahoe | 71.0°F | 69.6°F | 67.6°F |
| Provincetown | 70.4°F | 68.7°F | 66.8°F |
| Plymouth | 70.2°F | 69.3°F | 66.1°F |
| Cambridge | 70.2°F | 69.3°F | 65.4°F |
| Boston | 70.0°F | 69.2°F | 65.3°F |
| Salem | 70.0°F | 67.1°F | 64.5°F |
| Portsmouth | 69.8°F | 64.8°F | 62.4°F |
| Hampton | 69.4°F | 65.7°F | 62.9°F |
| Hampton Beach | 69.4°F | 65.7°F | 62.9°F |
| Holland | 69.2°F | 71.5°F | 69.5°F |
| Oakland | 69.2°F | 67.9°F | 69.1°F |
| York Beach | 68.4°F | 65.6°F | 63.3°F |
| Ogunquit | 68.4°F | 65.7°F | 63.5°F |
| San Francisco | 68.2°F | 65.3°F | 66.4°F |
| Wells | 68.2°F | 65.7°F | 63.5°F |
| Bayfield | 68.2°F | 69.2°F | 64.1°F |
| Old Orchard Beach | 68.0°F | 65.6°F | 63.2°F |
| Kennebunkport | 68.0°F | 65.7°F | 63.5°F |
| Freeport | 68.0°F | 66.7°F | 64.0°F |
| Mackinac Island | 68.0°F | 71.6°F | 63.3°F |
| Astoria | 67.6°F | 67.6°F | 64.4°F |
| Marquette | 67.4°F | 67.7°F | 63.0°F |
| Brunswick | 67.0°F | 66.6°F | 63.5°F |
| Sausalito | 66.2°F | 65.3°F | 66.3°F |
| Duluth | 65.6°F | 69.4°F | 61.9°F |
| Camden | 64.4°F | 63.9°F | 62.6°F |
| Rockland | 64.2°F | 61.9°F | 61.4°F |
| Bellingham | 62.6°F | 62.3°F | 60.9°F |
| Santa Cruz | 62.4°F | 60.2°F | 62.5°F |
| Ketchikan | 62.0°F | 60.6°F | 57.8°F |
| Mount Desert Island | 61.8°F | 61.4°F | 59.6°F |
| Whidbey Island | 61.6°F | 60.6°F | 59.4°F |
| Bar Harbor | 61.0°F | 60.8°F | 59.4°F |
| Rockaway Beach | 60.2°F | 54.8°F | 53.8°F |
| Tacoma | 59.8°F | 60.9°F | 59.5°F |
| Ocean Shores | 59.8°F | 60.2°F | 59.5°F |
| Monterey | 59.6°F | 60.7°F | 61.9°F |
| Bellevue | 59.6°F | 59.2°F | 58.1°F |
| Sitka | 57.6°F | 58.8°F | 55.3°F |
| Girdwood | 57.2°F | 53.1°F | 51.6°F |
| Seaside | 57.2°F | 58.1°F | 56.2°F |
| Anchorage | 56.6°F | 58.7°F | 54.3°F |
| Seward | 56.4°F | 56.6°F | 54.5°F |
| Cannon Beach | 56.4°F | 58.0°F | 55.4°F |
| Juneau | 55.8°F | 56.7°F | 53.8°F |
| Homer | 55.2°F | 54.6°F | 52.0°F |
| Kenai | 55.2°F | 57.5°F | 54.6°F |
| Grand Marais | 55.0°F | 62.5°F | 59.5°F |
| Haines | 54.8°F | 55.1°F | 52.2°F |
| Valdez | 54.6°F | 55.8°F | 52.2°F |
| Port Angeles | 54.6°F | 52.6°F | 52.2°F |
| Wasilla | 54.4°F | 52.6°F | 51.4°F |
| Florence | 53.0°F | 54.5°F | 54.5°F |
| Pacific City | 51.8°F | 55.4°F | 55.0°F |
| Newport | 51.6°F | 56.0°F | 55.4°F |
| Depoe Bay | 51.2°F | 55.3°F | 55.5°F |
| Lincoln City | 50.8°F | 54.9°F | 55.1°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 for more details.
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.
USA Resorts:
NAME
F°
| Boston |  |
+80 |
| Chicago |  |
+82 |
| Hawaii |  |
+84 |
| Houston | |
+108 |
| Las Vegas |  |
+116 |
| Los Angeles | |
+96 |
| Maui | |
+70 |
| Miami | |
+92 |
| Myrtle Beach | |
+84 |
| New York | |
+82 |
| San Diego | |
+80 |
| San Francisco | |
+64 |
| Santa Monica | |
+86 |
| Sarasota | |
+92 |
| Washington | |
+84 |
