The USA resorts with the warmest sea water temperature at this moment are Sanibel Island, Clearwater Beach and Marco Island.
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 |
July 2025 | August 2025 |
|---|---|---|---|
| Sanibel Island | 93.2°F | 91.0°F | 93.2°F |
| Clearwater Beach | 93.0°F | 91.2°F | 92.8°F |
| Marco Island | 93.0°F | 90.7°F | 93.0°F |
| Everglades | 92.8°F | 90.0°F | 93.1°F |
| Cape Coral | 92.8°F | 90.5°F | 93.1°F |
| Tampa | 92.6°F | 90.9°F | 92.9°F |
| Key West | 92.6°F | 90.8°F | 93.1°F |
| Sarasota | 92.6°F | 91.0°F | 92.9°F |
| Siesta Key | 92.6°F | 91.0°F | 92.8°F |
| Naples | 92.6°F | 90.6°F | 93.0°F |
| St. Petersburg | 92.6°F | 91.2°F | 93.0°F |
| Miami | 92.2°F | 90.4°F | 92.3°F |
| Key Largo | 92.0°F | 90.3°F | 93.0°F |
| Islamorada | 92.0°F | 90.5°F | 93.1°F |
| Hialeah | 91.6°F | 90.1°F | 92.1°F |
| Miami Beach | 91.4°F | 90.0°F | 92.1°F |
| Grand Isle | 91.0°F | 92.5°F | 92.2°F |
| West Palm Beach | 90.8°F | 88.5°F | 90.9°F |
| Fort Lauderdale | 90.8°F | 88.8°F | 91.3°F |
| St. George Island | 90.6°F | 90.4°F | 90.5°F |
| Houston | 90.2°F | 90.4°F | 92.0°F |
| Avery Island | 90.2°F | 91.3°F | 91.3°F |
| Hilton Head Island | 90.2°F | 89.7°F | 88.9°F |
| Port St. Lucie | 90.2°F | 85.8°F | 89.4°F |
| Wilmington Island | 90.0°F | 89.1°F | 88.1°F |
| Tybee Island | 90.0°F | 89.3°F | 88.3°F |
| Galveston Island | 90.0°F | 90.4°F | 92.0°F |
| Orange Beach | 89.6°F | 90.8°F | 90.6°F |
| Biloxi | 89.6°F | 91.2°F | 90.9°F |
| Ocean Springs | 89.6°F | 91.2°F | 90.9°F |
| Galveston | 89.6°F | 90.5°F | 92.1°F |
| Miramar Beach | 89.4°F | 90.3°F | 90.0°F |
| Panama City Beach | 89.4°F | 90.4°F | 90.2°F |
| Santa Rosa Beach | 89.4°F | 90.2°F | 89.9°F |
| Pensacola | 89.4°F | 90.9°F | 90.6°F |
| Pensacola Beach | 89.4°F | 90.8°F | 90.6°F |
| Jekyll Island | 89.4°F | 88.4°F | 89.7°F |
| St. Simons Island | 89.4°F | 88.3°F | 89.7°F |
| Edisto Beach | 89.4°F | 89.2°F | 88.2°F |
| Kiawah Island | 89.4°F | 88.7°F | 87.9°F |
| Destin | 89.2°F | 90.3°F | 90.0°F |
| Fort Walton Beach | 89.2°F | 90.1°F | 89.9°F |
| Gulf Shores | 89.0°F | 90.9°F | 90.8°F |
| Charleston | 88.8°F | 88.5°F | 87.9°F |
| Gulfport | 88.8°F | 91.2°F | 90.7°F |
| Folly Beach | 88.8°F | 88.5°F | 87.8°F |
| Long Beach | 88.6°F | 91.3°F | 90.7°F |
| Pass Christian | 88.4°F | 91.4°F | 90.8°F |
| Mount Pleasant | 88.4°F | 88.3°F | 87.7°F |
| New Orleans | 88.2°F | 91.6°F | 91.5°F |
| Dauphin Island | 88.2°F | 91.3°F | 90.8°F |
| Mobile | 88.2°F | 89.7°F | 90.3°F |
| Amelia Island | 88.2°F | 84.7°F | 89.0°F |
| Bay Saint Louis | 88.2°F | 91.3°F | 90.7°F |
| Oak Island | 88.2°F | 87.5°F | 86.4°F |
| Bald Head Island | 88.2°F | 87.6°F | 85.8°F |
| North Myrtle Beach | 88.2°F | 86.4°F | 86.9°F |
| Arcadian Shores | 88.2°F | 85.8°F | 86.9°F |
| Corpus Christi | 88.2°F | 89.2°F | 91.2°F |
| Myrtle Beach | 88.0°F | 85.4°F | 86.8°F |
| Isle of Palms | 88.0°F | 88.1°F | 87.5°F |
| Murrells Inlet | 88.0°F | 85.2°F | 86.9°F |
| Pawleys Island | 87.8°F | 85.2°F | 86.9°F |
| Jacksonville | 87.6°F | 83.8°F | 88.8°F |
| Port Aransas | 87.6°F | 88.3°F | 90.4°F |
| Mustang Island | 87.6°F | 88.0°F | 90.3°F |
| North Topsail Beach | 87.4°F | 84.7°F | 85.3°F |
| St. Augustine | 87.0°F | 84.4°F | 88.5°F |
| Washington | 86.6°F | 88.6°F | 84.9°F |
| Cocoa Beach | 86.4°F | 87.6°F | 90.9°F |
| Carolina Beach | 86.2°F | 85.3°F | 85.4°F |
| Wrightsville Beach | 85.8°F | 83.4°F | 85.4°F |
| Saint Michaels | 85.6°F | 88.6°F | 84.0°F |
| Wilmington | 85.6°F | 83.8°F | 85.4°F |
| South Padre Island | 85.4°F | 86.1°F | 88.3°F |
| Appleton | 85.4°F | 79.8°F | 77.6°F |
| Green Bay | 85.2°F | 78.7°F | 76.2°F |
| Chesapeake | 85.2°F | 87.8°F | 83.2°F |
| Daytona Beach | 84.8°F | 83.8°F | 88.4°F |
| Outer Banks | 84.8°F | 86.0°F | 83.4°F |
| Norfolk | 84.8°F | 87.1°F | 83.1°F |
| Orlando | 84.6°F | 84.7°F | 88.7°F |
| Annapolis | 84.4°F | 87.3°F | 83.5°F |
| Port Clinton | 84.4°F | 84.1°F | 79.6°F |
| Tangier Island | 84.4°F | 87.7°F | 83.3°F |
| Oshkosh | 84.4°F | 80.2°F | 77.2°F |
| Corolla | 84.2°F | 84.9°F | 82.8°F |
| Sandusky | 84.2°F | 83.0°F | 79.8°F |
| Toledo | 84.2°F | 83.6°F | 78.9°F |
| Hatteras Island | 83.8°F | 85.5°F | 83.3°F |
| Kill Devil Hills | 83.8°F | 85.1°F | 83.0°F |
| Kailua Kona | 83.6°F | 83.3°F | 84.3°F |
| Hilo | 83.4°F | 82.6°F | 83.2°F |
| New Castle | 83.4°F | 84.6°F | 82.9°F |
| Kihei | 83.4°F | 82.9°F | 84.6°F |
| Nags Head | 83.4°F | 85.1°F | 83.0°F |
| Chincoteague | 83.2°F | 83.6°F | 80.1°F |
| Wilmington | 83.0°F | 84.1°F | 82.8°F |
| Baltimore | 83.0°F | 86.2°F | 83.6°F |
| Put in Bay | 83.0°F | 81.9°F | 79.8°F |
| Honolulu | 82.8°F | 82.8°F | 84.2°F |
| Lanai | 82.8°F | 83.6°F | 84.6°F |
| Hawaii | 82.6°F | 82.7°F | 84.0°F |
| Molokai | 82.6°F | 82.4°F | 83.4°F |
| Kahului | 82.4°F | 82.2°F | 83.2°F |
| Virginia Beach | 82.4°F | 83.5°F | 81.6°F |
| Kauai | 82.4°F | 79.0°F | 82.3°F |
| Princeville | 82.4°F | 79.2°F | 82.5°F |
| Michigan City | 82.4°F | 79.3°F | 77.3°F |
| Maui | 82.0°F | 82.0°F | 82.8°F |
| Oahu | 81.6°F | 81.1°F | 82.8°F |
| Chicago | 80.2°F | 75.8°F | 76.5°F |
| Ocean City | 80.2°F | 82.3°F | 79.6°F |
| Brigantine | 79.8°F | 81.0°F | 79.0°F |
| Oak Park | 79.2°F | 75.7°F | 76.5°F |
| Sturgeon Bay | 79.0°F | 69.8°F | 72.2°F |
| Dewey Beach | 78.8°F | 80.7°F | 79.4°F |
| Cleveland | 78.8°F | 82.5°F | 78.0°F |
| Atlantic City | 78.6°F | 80.3°F | 78.7°F |
| Long Beach Island | 78.6°F | 80.7°F | 78.6°F |
| Beach Haven | 78.6°F | 81.0°F | 78.9°F |
| Fenwick Island | 78.4°F | 79.9°F | 78.5°F |
| Ocean City | 78.4°F | 80.1°F | 78.7°F |
| South Haven | 78.2°F | 77.7°F | 74.3°F |
| Saugatuck | 78.0°F | 76.9°F | 72.9°F |
| Holland | 78.0°F | 76.5°F | 71.5°F |
| Hampton Bays | 78.0°F | 77.2°F | 76.3°F |
| Buffalo | 78.0°F | 77.4°F | 77.2°F |
| Sea Isle City | 77.8°F | 79.2°F | 78.8°F |
| Erie | 77.8°F | 79.8°F | 78.3°F |
| Rehoboth Beach | 77.6°F | 80.4°F | 79.3°F |
| Lewes | 77.6°F | 81.0°F | 79.5°F |
| Evanston | 77.6°F | 75.5°F | 76.5°F |
| Providence | 77.4°F | 77.5°F | 75.6°F |
| Warwick | 77.4°F | 77.8°F | 75.8°F |
| Bristol | 77.4°F | 78.1°F | 75.8°F |
| Bethany Beach | 77.2°F | 78.4°F | 78.1°F |
| South Bethany | 77.2°F | 78.4°F | 78.1°F |
| Seaside Heights | 77.2°F | 80.0°F | 78.1°F |
| Wildwood Crest | 76.8°F | 80.0°F | 78.8°F |
| Wildwood | 76.8°F | 80.0°F | 78.8°F |
| Harbor Springs | 76.6°F | 69.5°F | 72.7°F |
| Petoskey | 76.6°F | 69.5°F | 72.6°F |
| Cape May | 76.6°F | 79.0°F | 78.5°F |
| Traverse City | 76.4°F | 71.2°F | 74.9°F |
| New York | 76.2°F | 78.2°F | 77.5°F |
| Bayfield | 76.2°F | 64.5°F | 69.2°F |
| Newark | 76.0°F | 78.3°F | 77.5°F |
| Jersey City | 76.0°F | 78.3°F | 77.6°F |
| Fire Island | 75.8°F | 78.5°F | 76.4°F |
| Rochester | 75.8°F | 74.9°F | 76.1°F |
| Charlevoix | 75.4°F | 68.3°F | 72.6°F |
| New Haven | 75.2°F | 75.2°F | 76.4°F |
| New Bedford | 75.2°F | 75.4°F | 75.1°F |
| Milwaukee | 75.2°F | 70.7°F | 73.5°F |
| Dennis Port | 75.0°F | 72.6°F | 73.8°F |
| Falmouth | 75.0°F | 74.5°F | 74.8°F |
| Edgartown | 74.4°F | 71.5°F | 72.4°F |
| Niagara Falls | 74.4°F | 75.0°F | 75.5°F |
| Yonkers | 74.4°F | 76.2°F | 76.6°F |
| Yosemite | 74.2°F | 70.4°F | 71.4°F |
| Norwalk | 73.6°F | 75.2°F | 76.2°F |
| Stamford | 73.4°F | 75.7°F | 76.2°F |
| Cambridge | 73.4°F | 69.2°F | 69.3°F |
| Boston | 73.2°F | 69.0°F | 69.2°F |
| Los Angeles | 73.0°F | 69.4°F | 72.6°F |
| Milford | 73.0°F | 75.1°F | 76.3°F |
| Beverly Hills | 72.8°F | 69.9°F | 72.8°F |
| Hollywood | 72.8°F | 69.9°F | 72.8°F |
| Santa Monica | 72.8°F | 69.7°F | 72.8°F |
| Laguna Beach | 72.8°F | 69.5°F | 73.5°F |
| Mackinac Island | 72.6°F | 67.6°F | 71.6°F |
| Newport | 72.6°F | 73.8°F | 73.2°F |
| Jamestown | 72.6°F | 73.3°F | 73.0°F |
| Irvine | 72.4°F | 69.1°F | 72.9°F |
| San Diego | 72.2°F | 67.8°F | 71.0°F |
| Martha's Vineyard | 72.2°F | 70.2°F | 71.2°F |
| Charlestown | 72.2°F | 71.3°F | 71.8°F |
| Chula Vista | 72.2°F | 67.3°F | 70.7°F |
| Newport Beach | 72.0°F | 69.0°F | 72.8°F |
| Santa Catalina Island | 72.0°F | 70.0°F | 71.9°F |
| Malibu | 71.8°F | 66.5°F | 71.2°F |
| Stonington | 71.8°F | 71.0°F | 71.9°F |
| Mystic | 71.8°F | 71.0°F | 71.9°F |
| Salem | 71.8°F | 66.9°F | 67.1°F |
| Santa Ana | 71.8°F | 68.7°F | 72.7°F |
| Old Saybrook | 71.6°F | 72.8°F | 73.4°F |
| Plymouth | 71.6°F | 68.8°F | 69.3°F |
| Westerly | 71.6°F | 70.4°F | 71.5°F |
| New London | 71.4°F | 72.2°F | 72.6°F |
| Groton | 71.2°F | 72.1°F | 72.6°F |
| Anaheim | 71.2°F | 67.0°F | 72.2°F |
| Nantucket | 71.0°F | 70.7°F | 71.9°F |
| Fremont | 70.8°F | 69.6°F | 69.2°F |
| San Jose | 70.6°F | 69.5°F | 68.9°F |
| Long Beach | 70.6°F | 65.3°F | 71.2°F |
| Westbrook | 70.6°F | 73.0°F | 74.1°F |
| Duluth | 70.6°F | 64.9°F | 69.4°F |
| Chatham | 70.2°F | 68.7°F | 69.8°F |
| Old Orchard Beach | 70.0°F | 65.0°F | 65.6°F |
| Freeport | 69.8°F | 66.3°F | 66.7°F |
| South Lake Tahoe | 69.6°F | 68.4°F | 70.2°F |
| Hampton | 69.6°F | 65.4°F | 65.7°F |
| Portsmouth | 69.6°F | 64.5°F | 64.8°F |
| Hampton Beach | 69.6°F | 65.4°F | 65.7°F |
| York Beach | 69.4°F | 64.6°F | 65.6°F |
| Incline Village | 69.4°F | 68.1°F | 70.0°F |
| Stateline | 69.4°F | 68.3°F | 70.1°F |
| Montauk | 69.2°F | 71.0°F | 72.2°F |
| Provincetown | 69.0°F | 69.4°F | 68.7°F |
| Lake Tahoe | 69.0°F | 67.3°F | 69.6°F |
| Ogunquit | 68.8°F | 64.6°F | 65.7°F |
| Block Island | 68.8°F | 70.5°F | 71.1°F |
| New Shoreham | 68.8°F | 70.5°F | 71.1°F |
| Wells | 68.6°F | 64.6°F | 65.7°F |
| Oxnard | 68.4°F | 65.2°F | 68.0°F |
| Santa Barbara | 68.2°F | 65.2°F | 68.0°F |
| Kennebunkport | 68.2°F | 64.7°F | 65.7°F |
| Siasconset | 68.2°F | 68.9°F | 69.8°F |
| Brunswick | 67.8°F | 65.2°F | 66.6°F |
| Astoria | 67.6°F | 66.4°F | 67.6°F |
| Camden | 67.2°F | 61.1°F | 63.9°F |
| Oakland | 66.6°F | 64.2°F | 67.9°F |
| Sausalito | 65.6°F | 62.3°F | 65.3°F |
| San Francisco | 65.4°F | 62.1°F | 65.3°F |
| Rockland | 65.0°F | 58.8°F | 61.9°F |
| Marquette | 64.2°F | 62.0°F | 67.7°F |
| Santa Cruz | 62.2°F | 55.2°F | 60.2°F |
| Bellingham | 61.2°F | 61.7°F | 62.3°F |
| Monterey | 59.6°F | 57.8°F | 60.7°F |
| Mount Desert Island | 59.6°F | 59.1°F | 61.4°F |
| Bar Harbor | 59.2°F | 58.2°F | 60.8°F |
| Tacoma | 58.8°F | 59.1°F | 60.9°F |
| Whidbey Island | 58.4°F | 59.2°F | 60.6°F |
| Bellevue | 58.2°F | 58.4°F | 59.2°F |
| Ketchikan | 57.6°F | 58.3°F | 60.6°F |
| Anchorage | 56.4°F | 57.2°F | 58.7°F |
| Seaside | 56.4°F | 53.7°F | 58.1°F |
| Cannon Beach | 56.4°F | 53.1°F | 58.0°F |
| Ocean Shores | 56.4°F | 54.0°F | 60.2°F |
| Girdwood | 54.8°F | 55.4°F | 53.1°F |
| Sitka | 54.2°F | 55.4°F | 58.8°F |
| Juneau | 53.8°F | 54.7°F | 56.7°F |
| Kenai | 53.6°F | 55.2°F | 57.5°F |
| Haines | 53.2°F | 54.0°F | 55.1°F |
| Seward | 53.0°F | 55.1°F | 56.6°F |
| Rockaway Beach | 52.8°F | 51.5°F | 54.8°F |
| Wasilla | 52.6°F | 53.9°F | 52.6°F |
| Homer | 51.6°F | 53.4°F | 54.6°F |
| Valdez | 51.6°F | 55.9°F | 55.8°F |
| Pacific City | 51.6°F | 51.0°F | 55.4°F |
| Port Angeles | 51.6°F | 52.2°F | 52.6°F |
| Newport | 49.8°F | 51.5°F | 56.0°F |
| Florence | 49.6°F | 49.5°F | 54.5°F |
| Lincoln City | 49.4°F | 50.1°F | 54.9°F |
| Depoe Bay | 49.2°F | 50.4°F | 55.3°F |
| Grand Marais | 38.6°F | 54.0°F | 62.5°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.
Sea Water
Temperature
Temperature
| Sanibel Island |
Sea Water
Temperature
Temperature
| Clearwater Beach |
Sea Water
Temperature
Temperature
| Marco Island |
USA Resorts:
NAME
F°
| Boston |  |
+96 |
| Chicago | |
+88 |
| Hawaii |  |
+78 |
| Houston |  |
+90 |
| Las Vegas | |
+96 |
| Los Angeles | |
+82 |
| Maui | |
+72 |
| Miami | |
+100 |
| Myrtle Beach | |
+94 |
| New York | |
+110 |
| San Diego | |
+80 |
| San Francisco | |
+68 |
| Santa Monica | |
+82 |
| Sarasota | |
+100 |
| Tampa | |
+98 |
