The USA resorts with the warmest sea water temperature in August are Grand Isle, New Orleans and Clearwater Beach.
Below you can see a list of all popular USA resorts and information about sea water temperature in August for the last two years.
| Resort Name | August 2023 | August 2022 | August 2021 |
|---|---|---|---|
| Grand Isle | 94.4°F | 89.5°F | 92.6°F |
| New Orleans | 93.7°F | 89.9°F | 91.2°F |
| Clearwater Beach | 93.6°F | 91.2°F | 90.5°F |
| Bay Saint Louis | 93.2°F | 89.6°F | 90.9°F |
| Avery Island | 93.2°F | 89.7°F | 91.5°F |
| Siesta Key | 93.2°F | 91.2°F | 90.7°F |
| St. Petersburg | 93.1°F | 91.0°F | 90.5°F |
| Key West | 93.1°F | 90.9°F | 91.1°F |
| Sarasota | 93.1°F | 91.2°F | 90.6°F |
| Pass Christian | 93.1°F | 89.7°F | 90.9°F |
| Ocean Springs | 92.9°F | 89.5°F | 91.1°F |
| Long Beach | 92.8°F | 89.8°F | 90.9°F |
| Biloxi | 92.8°F | 89.6°F | 91.0°F |
| Tampa | 92.8°F | 90.9°F | 90.5°F |
| Gulfport | 92.8°F | 89.8°F | 90.9°F |
| Sanibel Island | 92.7°F | 91.2°F | 91.1°F |
| Naples | 92.7°F | 91.0°F | 90.9°F |
| Islamorada | 92.7°F | 91.1°F | 91.0°F |
| Pensacola | 92.6°F | 89.7°F | 90.3°F |
| Key Largo | 92.6°F | 90.8°F | 91.2°F |
| Everglades | 92.6°F | 91.1°F | 91.7°F |
| Marco Island | 92.6°F | 91.1°F | 91.1°F |
| Houston | 92.5°F | 90.8°F | 91.4°F |
| Dauphin Island | 92.2°F | 89.2°F | 90.6°F |
| Miramar Beach | 92.2°F | 89.8°F | 90.1°F |
| Panama City Beach | 92.2°F | 90.2°F | 90.3°F |
| Santa Rosa Beach | 92.1°F | 89.8°F | 90.0°F |
| Pensacola Beach | 92.1°F | 89.8°F | 90.3°F |
| Mobile | 92.1°F | 89.5°F | 90.1°F |
| Cape Coral | 92.0°F | 90.7°F | 90.9°F |
| Galveston Island | 92.0°F | 90.9°F | 91.6°F |
| Destin | 91.8°F | 89.7°F | 90.0°F |
| Miami Beach | 91.8°F | 90.6°F | 90.5°F |
| Galveston | 91.8°F | 90.9°F | 91.5°F |
| St. George Island | 91.6°F | 90.5°F | 89.8°F |
| Miami | 91.6°F | 90.7°F | 90.8°F |
| Corpus Christi | 91.6°F | 90.1°F | 91.2°F |
| Hialeah | 91.5°F | 90.6°F | 90.6°F |
| Fort Walton Beach | 91.4°F | 89.8°F | 90.0°F |
| West Palm Beach | 91.2°F | 89.8°F | 89.5°F |
| Fort Lauderdale | 91.1°F | 90.1°F | 89.7°F |
| Orange Beach | 91.0°F | 89.6°F | 90.1°F |
| Gulf Shores | 90.9°F | 89.6°F | 90.2°F |
| Hilton Head Island | 90.6°F | 88.9°F | 88.7°F |
| Jekyll Island | 90.4°F | 89.0°F | 88.3°F |
| St. Simons Island | 90.3°F | 88.9°F | 88.3°F |
| Edisto Beach | 90.2°F | 88.4°F | 88.5°F |
| Tybee Island | 90.0°F | 88.8°F | 88.3°F |
| Mustang Island | 89.7°F | 89.6°F | 91.0°F |
| Wilmington Island | 89.7°F | 88.6°F | 88.3°F |
| Kiawah Island | 89.4°F | 88.0°F | 88.1°F |
| Port Aransas | 89.4°F | 89.5°F | 90.9°F |
| Folly Beach | 89.1°F | 87.5°F | 87.9°F |
| Charleston | 89.1°F | 87.4°F | 87.9°F |
| Mount Pleasant | 88.9°F | 86.9°F | 87.7°F |
| Port St. Lucie | 88.9°F | 89.2°F | 87.8°F |
| Amelia Island | 88.7°F | 87.1°F | 87.3°F |
| Oak Island | 88.5°F | 86.8°F | 88.0°F |
| Bald Head Island | 88.5°F | 86.6°F | 87.9°F |
| Isle of Palms | 88.5°F | 86.3°F | 87.6°F |
| Jacksonville | 88.2°F | 86.4°F | 87.1°F |
| Kissimmee | 88.1°F | 86.3°F | |
| North Myrtle Beach | 88.1°F | 86.3°F | 87.9°F |
| Cocoa Beach | 88.0°F | 87.8°F | 86.6°F |
| St. Augustine | 87.9°F | 86.5°F | 87.0°F |
| Arcadian Shores | 87.9°F | 86.2°F | 87.7°F |
| Orlando | 87.9°F | 86.5°F | 86.9°F |
| Myrtle Beach | 87.7°F | 85.8°F | 87.6°F |
| Murrells Inlet | 87.6°F | 85.6°F | 87.4°F |
| Daytona Beach | 87.5°F | 85.9°F | 86.4°F |
| South Padre Island | 87.5°F | 87.2°F | 88.9°F |
| Carolina Beach | 87.4°F | 85.1°F | 86.1°F |
| Pawleys Island | 87.3°F | 85.2°F | 87.0°F |
| Wilmington | 87.0°F | 84.6°F | 85.9°F |
| North Topsail Beach | 86.9°F | 85.3°F | 86.5°F |
| Wrightsville Beach | 86.8°F | 84.4°F | 85.9°F |
| Washington | 85.0°F | 86.6°F | 86.0°F |
| Saint Michaels | 84.9°F | 86.2°F | 85.4°F |
| Hatteras Island | 84.6°F | 84.8°F | 85.9°F |
| Chesapeake | 84.5°F | 83.8°F | 86.7°F |
| Tangier Island | 84.4°F | 85.9°F | 85.4°F |
| Kailua Kona | 84.0°F | 83.8°F | 84.0°F |
| Annapolis | 83.9°F | 85.7°F | 84.8°F |
| Molokai | 83.9°F | 84.1°F | 83.2°F |
| Norfolk | 83.9°F | 83.6°F | 86.1°F |
| Honolulu | 83.6°F | 83.9°F | 83.0°F |
| Kihei | 83.5°F | 83.9°F | 83.1°F |
| Kauai | 83.5°F | 82.9°F | 83.0°F |
| Princeville | 83.5°F | 82.9°F | 83.0°F |
| Hawaii | 83.4°F | 83.7°F | 82.9°F |
| Lanai | 83.4°F | 83.7°F | 83.0°F |
| Outer Banks | 83.2°F | 83.3°F | 84.7°F |
| Kill Devil Hills | 82.9°F | 82.3°F | 84.0°F |
| Hilo | 82.8°F | 83.3°F | 82.7°F |
| Kahului | 82.7°F | 82.9°F | 82.3°F |
| Baltimore | 82.7°F | 84.0°F | 84.1°F |
| Corolla | 82.6°F | 83.4°F | 84.7°F |
| Nags Head | 82.6°F | 82.2°F | 84.3°F |
| Oahu | 82.6°F | 83.2°F | 82.7°F |
| Maui | 82.4°F | 82.4°F | 82.1°F |
| New Castle | 82.2°F | 84.9°F | 83.0°F |
| Wilmington | 81.6°F | 84.5°F | 82.5°F |
| Chincoteague | 80.7°F | 82.8°F | 83.1°F |
| Virginia Beach | 80.2°F | 80.6°F | 82.9°F |
| Fire Island | 79.2°F | 80.6°F | 80.6°F |
| Port Clinton | 79.0°F | 80.5°F | 81.4°F |
| Long Beach Island | 78.4°F | 80.3°F | 79.7°F |
| Sandusky | 78.3°F | 79.1°F | 81.0°F |
| Cleveland | 78.2°F | 79.8°F | 80.1°F |
| Toledo | 78.2°F | 79.5°F | 81.2°F |
| Put in Bay | 77.9°F | 79.4°F | 80.9°F |
| Beach Haven | 77.8°F | 79.4°F | 79.7°F |
| Ocean City | 77.7°F | 80.6°F | 80.4°F |
| Lewes | 77.6°F | 78.9°F | 79.9°F |
| Appleton | 77.5°F | 77.4°F | 78.8°F |
| Oshkosh | 77.4°F | 77.0°F | 78.7°F |
| Erie | 76.6°F | 79.4°F | 79.5°F |
| Rehoboth Beach | 76.6°F | 78.5°F | 79.4°F |
| Atlantic City | 76.5°F | 78.2°F | 78.7°F |
| Seaside Heights | 76.5°F | 77.8°F | 78.6°F |
| Brigantine | 76.5°F | 78.4°F | 78.8°F |
| Ocean City | 76.5°F | 78.1°F | 78.7°F |
| Falmouth | 76.1°F | 78.0°F | 78.0°F |
| Green Bay | 76.1°F | 73.1°F | 77.2°F |
| Michigan City | 76.0°F | 76.4°F | 77.7°F |
| Cape May | 75.9°F | 77.2°F | 78.5°F |
| Newark | 75.9°F | 78.1°F | 77.7°F |
| Jersey City | 75.9°F | 78.1°F | 77.7°F |
| New York | 75.8°F | 78.1°F | 77.6°F |
| New Bedford | 75.7°F | 78.6°F | 77.7°F |
| Yonkers | 75.7°F | 77.3°F | 77.1°F |
| Hampton Bays | 75.6°F | 79.1°F | 77.8°F |
| Milford | 75.5°F | 78.5°F | 76.9°F |
| Norwalk | 75.5°F | 77.9°F | 77.0°F |
| Wildwood Crest | 75.5°F | 77.1°F | 78.3°F |
| Wildwood | 75.5°F | 77.1°F | 78.3°F |
| Stamford | 75.4°F | 77.4°F | 77.1°F |
| Bristol | 75.4°F | 79.7°F | 77.2°F |
| New Haven | 75.4°F | 78.5°F | 76.9°F |
| Fenwick Island | 75.3°F | 78.6°F | 79.5°F |
| Evanston | 75.2°F | 72.9°F | 76.3°F |
| Sea Isle City | 75.2°F | 76.8°F | 78.0°F |
| Dewey Beach | 75.1°F | 77.0°F | 78.5°F |
| Oak Park | 75.0°F | 72.9°F | 76.2°F |
| Warwick | 75.0°F | 79.7°F | 77.0°F |
| Edgartown | 74.9°F | 77.0°F | 77.0°F |
| Chicago | 74.9°F | 73.1°F | 76.6°F |
| Bethany Beach | 74.8°F | 78.0°F | 79.2°F |
| Jamestown | 74.7°F | 77.0°F | 76.9°F |
| Buffalo | 74.7°F | 77.4°F | 78.2°F |
| Providence | 74.6°F | 79.3°F | 76.6°F |
| Rochester | 74.6°F | 77.6°F | 76.9°F |
| Newport | 74.4°F | 77.1°F | 76.6°F |
| South Bethany | 74.3°F | 77.9°F | 79.1°F |
| Martha's Vineyard | 74.2°F | 76.4°F | 76.5°F |
| Dennis Port | 73.9°F | 76.9°F | 76.8°F |
| Nantucket | 73.4°F | 76.6°F | 75.7°F |
| Lake Geneva | 73.3°F | 69.8°F | 71.3°F |
| Milwaukee | 73.0°F | 65.1°F | 70.8°F |
| Westbrook | 72.8°F | 75.6°F | 74.2°F |
| Old Saybrook | 72.7°F | 75.4°F | 74.2°F |
| Traverse City | 72.7°F | 73.6°F | 74.9°F |
| Niagara Falls | 72.5°F | 75.0°F | 76.7°F |
| Santa Monica | 72.4°F | 71.4°F | 69.4°F |
| Beverly Hills | 72.4°F | 71.5°F | 69.6°F |
| Hollywood | 72.4°F | 71.5°F | 69.6°F |
| Los Angeles | 72.2°F | 71.5°F | 69.5°F |
| Santa Catalina Island | 72.1°F | 74.2°F | 71.9°F |
| Sturgeon Bay | 72.1°F | 70.3°F | 73.3°F |
| Saugatuck | 72.0°F | 74.2°F | 77.1°F |
| South Haven | 72.0°F | 73.2°F | 77.6°F |
| Charlestown | 71.9°F | 74.7°F | 73.9°F |
| Petoskey | 71.9°F | 73.5°F | 73.8°F |
| Groton | 71.8°F | 74.0°F | 73.2°F |
| New London | 71.8°F | 74.0°F | 73.2°F |
| New Shoreham | 71.7°F | 74.2°F | 73.2°F |
| Harbor Springs | 71.6°F | 73.3°F | 73.5°F |
| Yosemite | 71.5°F | 71.5°F | 71.5°F |
| Newport Beach | 71.4°F | 71.7°F | 68.6°F |
| Laguna Beach | 71.4°F | 72.3°F | 68.9°F |
| Irvine | 71.4°F | 71.9°F | 68.8°F |
| Block Island | 71.3°F | 73.6°F | 73.0°F |
| Santa Ana | 71.3°F | 71.1°F | 68.2°F |
| Fremont | 71.1°F | 71.3°F | 70.8°F |
| Holland | 71.0°F | 74.2°F | 76.5°F |
| Montauk | 71.0°F | 73.1°F | 72.8°F |
| Westerly | 71.0°F | 73.6°F | 72.9°F |
| San Jose | 70.7°F | 71.1°F | 70.4°F |
| Stonington | 70.7°F | 73.6°F | 72.7°F |
| Mystic | 70.7°F | 73.6°F | 72.7°F |
| Charlevoix | 70.6°F | 72.5°F | 72.5°F |
| Incline Village | 70.4°F | 71.8°F | 70.2°F |
| South Lake Tahoe | 70.4°F | 71.7°F | 69.6°F |
| Malibu | 70.3°F | 69.2°F | 67.6°F |
| Stateline | 70.3°F | 71.6°F | 69.7°F |
| Anaheim | 70.0°F | 68.0°F | 66.2°F |
| Lake Tahoe | 70.0°F | 71.1°F | 69.8°F |
| Astoria | 69.9°F | 65.1°F | 67.4°F |
| San Diego | 69.7°F | 74.9°F | 68.9°F |
| Santa Barbara | 69.1°F | 65.8°F | 66.2°F |
| Siasconset | 69.1°F | 71.3°F | 71.8°F |
| Chula Vista | 68.9°F | 74.5°F | 68.2°F |
| Bayfield | 68.5°F | 67.7°F | 70.4°F |
| Chatham | 68.5°F | 70.8°F | 72.5°F |
| Provincetown | 68.3°F | 70.6°F | 73.3°F |
| Long Beach | 68.2°F | 65.6°F | 64.4°F |
| Oxnard | 67.8°F | 66.2°F | 66.1°F |
| Freeport | 67.7°F | 71.0°F | 69.3°F |
| Oakland | 67.6°F | 68.6°F | 68.2°F |
| Duluth | 67.2°F | 61.5°F | 69.5°F |
| Plymouth | 67.1°F | 70.5°F | 72.6°F |
| Boston | 66.9°F | 71.4°F | 72.6°F |
| Cambridge | 66.9°F | 71.4°F | 72.6°F |
| Marquette | 66.4°F | 65.5°F | 68.4°F |
| Brunswick | 66.3°F | 69.0°F | 68.2°F |
| Old Orchard Beach | 66.0°F | 69.1°F | 68.9°F |
| Mackinac Island | 65.9°F | 67.4°F | 71.3°F |
| Salem | 65.7°F | 69.5°F | 71.7°F |
| Kennebunkport | 65.5°F | 68.9°F | 68.9°F |
| Wells | 65.3°F | 69.0°F | 69.1°F |
| Camden | 65.3°F | 68.2°F | 65.9°F |
| San Francisco | 65.2°F | 65.2°F | 66.5°F |
| Ogunquit | 65.2°F | 69.0°F | 69.1°F |
| Hampton Beach | 65.0°F | 69.2°F | 69.7°F |
| Sausalito | 64.9°F | 64.6°F | 65.7°F |
| York Beach | 64.9°F | 69.2°F | 69.2°F |
| Hampton | 64.7°F | 69.0°F | 69.4°F |
| Portsmouth | 64.1°F | 68.8°F | 69.0°F |
| Rockland | 64.1°F | 66.4°F | 64.4°F |
| Bellingham | 62.8°F | 64.4°F | 65.1°F |
| Santa Cruz | 62.4°F | 61.5°F | 62.8°F |
| Mount Desert Island | 62.3°F | 64.9°F | 64.0°F |
| Ketchikan | 62.2°F | 62.5°F | 61.4°F |
| Bar Harbor | 61.8°F | 64.2°F | 63.7°F |
| Ocean Shores | 61.3°F | 61.9°F | 57.5°F |
| Monterey | 60.9°F | 58.9°F | 61.6°F |
| Tacoma | 60.8°F | 62.7°F | 60.8°F |
| Grand Marais | 60.8°F | 55.3°F | 64.7°F |
| Whidbey Island | 60.4°F | 62.6°F | 59.6°F |
| Sitka | 59.2°F | 57.3°F | 59.3°F |
| Bellevue | 58.9°F | 60.0°F | 58.8°F |
| Juneau | 58.3°F | 55.9°F | 57.8°F |
| Anchorage | 57.8°F | 57.6°F | 59.0°F |
| Seaside | 57.1°F | 58.7°F | 57.1°F |
| Cannon Beach | 56.9°F | 58.6°F | 56.9°F |
| Valdez | 56.8°F | 56.0°F | 57.1°F |
| Girdwood | 56.4°F | 56.7°F | 58.3°F |
| Haines | 56.1°F | 55.8°F | 56.3°F |
| Kenai | 56.1°F | 56.4°F | 56.7°F |
| Seward | 55.7°F | 57.3°F | 57.9°F |
| Wasilla | 54.5°F | 55.1°F | 57.2°F |
| Florence | 54.2°F | 54.9°F | 51.3°F |
| Homer | 53.5°F | 52.7°F | 54.1°F |
| Rockaway Beach | 53.1°F | 55.4°F | 54.5°F |
| Port Angeles | 53.0°F | 53.5°F | 53.3°F |
| Pacific City | 52.9°F | 55.1°F | 53.6°F |
| Depoe Bay | 52.7°F | 54.6°F | 52.2°F |
| Lincoln City | 52.6°F | 54.7°F | 52.6°F |
| Newport | 52.6°F | 54.5°F | 51.6°F |
Please see following sea water temperature averages charts for the warmest USA resorts in August.
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
| Grand Isle |
Sea Water
Temperature
Temperature
| New Orleans |
Sea Water
Temperature
Temperature
| Clearwater Beach |
USA Resorts:
NAME
F°
| Boston |  |
+48 |
| Chicago |  |
+54 |
| Hawaii |  |
+74 |
| Honolulu | |
+74 |
| Houston |  |
+68 |
| Las Vegas | |
+68 |
| Los Angeles | |
+60 |
| Miami | |
+78 |
| New York | |
+52 |
| Orlando | |
+68 |
| San Diego | |
+58 |
| San Francisco | |
+54 |
| Sarasota | |
+68 |
| Tampa | |
+66 |
| Washington | |
+54 |
