In August warmest sea in USA is usually observed in the following locations: Key West, Naples, St. Petersburg.
Table below shows the average sea water temperature for marine resorts of USA in August for the last three years.
| Place name | August 2025 | August 2024 | August 2023 |
|---|---|---|---|
| Key West | 88.8°F | 87.8°F | 88.8°F |
| Naples | 88.7°F | 87.0°F | 88.5°F |
| St. Petersburg | 88.7°F | 86.9°F | 88.8°F |
| Tampa | 88.6°F | 86.4°F | 88.5°F |
| Sarasota | 88.6°F | 87.2°F | 88.8°F |
| Siesta Key | 88.6°F | 87.3°F | 88.9°F |
| Clearwater Beach | 88.5°F | 87.0°F | 89.2°F |
| Miami | 88.1°F | 86.4°F | 87.4°F |
| Miami Beach | 87.9°F | 86.5°F | 87.6°F |
| Houston | 87.8°F | 88.0°F | 88.2°F |
| New Orleans | 87.4°F | 88.1°F | 89.4°F |
| Fort Lauderdale | 87.2°F | 85.8°F | 87.0°F |
| Corpus Christi | 87.0°F | 87.9°F | 87.4°F |
| West Palm Beach | 86.8°F | 86.2°F | 87.1°F |
| Cocoa Beach | 86.8°F | 84.5°F | 84.2°F |
| Pensacola | 86.5°F | 87.2°F | 88.4°F |
| Panama City Beach | 86.2°F | 86.8°F | 88.0°F |
| Destin | 86.0°F | 86.9°F | 87.6°F |
| Jacksonville | 84.9°F | 82.9°F | 84.4°F |
| Orlando | 84.9°F | 83.4°F | 84.1°F |
| St. Augustine | 84.7°F | 82.9°F | 84.1°F |
| Daytona Beach | 84.6°F | 83.1°F | 83.8°F |
| South Padre Island | 84.5°F | 86.5°F | 83.8°F |
| Charleston (SC) | 84.1°F | 83.1°F | 85.2°F |
| Isle of Palms | 83.8°F | 83.0°F | 84.6°F |
| North Myrtle Beach | 83.2°F | 82.5°F | 84.3°F |
| Myrtle Beach | 83.1°F | 82.5°F | 84.0°F |
| Carolina Beach | 81.9°F | 81.6°F | 83.7°F |
| Wrightsville Beach | 81.9°F | 81.4°F | 83.1°F |
| Wilmington (NC) | 81.8°F | 81.3°F | 83.3°F |
| North Topsail Beach | 81.8°F | 81.5°F | 83.2°F |
| Washington | 81.4°F | 81.3°F | 81.5°F |
| Kailua Kona | 80.9°F | 80.7°F | 80.6°F |
| Honolulu | 80.8°F | 79.9°F | 80.3°F |
| Hawaii | 80.6°F | 79.8°F | 80.1°F |
| Baltimore | 80.2°F | 79.6°F | 79.4°F |
| Tangier Island | 80.0°F | 80.4°F | 81.0°F |
| Corolla | 79.5°F | 77.9°F | 79.4°F |
| Oahu | 79.5°F | 78.8°F | 79.3°F |
| Maui | 79.5°F | 79.1°F | 79.1°F |
| Kauai | 79.1°F | 78.6°F | 80.1°F |
| Virginia Beach | 78.4°F | 75.7°F | 77.2°F |
| Ocean City (MD) | 76.6°F | 74.9°F | 74.9°F |
| Rehoboth Beach | 76.4°F | 74.1°F | 74.0°F |
| Wildwood | 75.9°F | 72.7°F | 72.9°F |
| Ocean City (NJ) | 75.9°F | 73.1°F | 73.8°F |
| Atlantic City | 75.8°F | 73.3°F | 73.9°F |
| Long Beach Island | 75.8°F | 75.1°F | 75.6°F |
| Cape May | 75.7°F | 72.3°F | 73.3°F |
| Erie | 75.5°F | 74.6°F | 74.0°F |
| Cleveland | 75.2°F | 75.9°F | 75.4°F |
| Jersey City | 74.8°F | 74.7°F | 73.3°F |
| New York | 74.8°F | 74.6°F | 73.3°F |
| Michigan City | 74.5°F | 74.5°F | 73.4°F |
| Buffalo (NY) | 74.4°F | 73.1°F | 72.3°F |
| Evanston | 73.9°F | 74.4°F | 72.7°F |
| Chicago | 73.8°F | 74.5°F | 72.4°F |
| New Haven | 73.7°F | 73.8°F | 72.8°F |
| Milford | 73.7°F | 73.8°F | 73.0°F |
| Hampton Bays | 73.6°F | 74.0°F | 73.0°F |
| Providence | 73.1°F | 72.7°F | 72.1°F |
| Niagara Falls | 72.9°F | 71.7°F | 70.2°F |
| Westbrook | 71.7°F | 71.4°F | 70.5°F |
| Irvine | 70.6°F | 70.4°F | 69.2°F |
| Newport Beach | 70.6°F | 70.3°F | 69.3°F |
| Santa Monica | 70.5°F | 68.9°F | 70.2°F |
| Hollywood | 70.5°F | 68.9°F | 70.2°F |
| Beverly Hills | 70.5°F | 68.9°F | 70.2°F |
| Los Angeles | 70.3°F | 69.0°F | 70.0°F |
| Montauk | 70.0°F | 70.2°F | 68.9°F |
| Nantucket | 69.7°F | 70.6°F | 71.1°F |
| Holland | 69.4°F | 70.9°F | 68.9°F |
| Yosemite | 69.3°F | 69.3°F | 69.4°F |
| Long Beach (CA) | 69.1°F | 65.8°F | 66.4°F |
| Malibu | 69.1°F | 67.1°F | 68.3°F |
| Martha's Vineyard | 69.0°F | 69.2°F | 71.8°F |
| San Diego | 68.9°F | 70.1°F | 67.8°F |
| South Lake Tahoe | 68.1°F | 67.8°F | 68.3°F |
| Lake Tahoe | 67.6°F | 67.3°F | 68.0°F |
| Cambridge | 67.4°F | 66.8°F | 65.2°F |
| Plymouth | 67.4°F | 66.8°F | 65.4°F |
| Boston | 67.2°F | 66.6°F | 65.2°F |
| San Jose | 67.0°F | 67.5°F | 68.7°F |
| Santa Barbara | 66.2°F | 64.9°F | 67.2°F |
| Oakland | 66.1°F | 65.2°F | 65.9°F |
| Hampton | 64.1°F | 64.9°F | 63.3°F |
| Hampton Beach | 64.1°F | 64.9°F | 63.5°F |
| San Francisco | 63.8°F | 62.4°F | 63.7°F |
| Portsmouth | 63.3°F | 64.3°F | 62.7°F |
| Tacoma | 59.8°F | 58.7°F | 59.7°F |
| Bar Harbor | 59.7°F | 59.9°F | 60.6°F |
| Monterey | 59.7°F | 57.2°F | 59.8°F |
| Bellevue | 58.3°F | 58.0°F | 58.0°F |
| Sitka | 57.9°F | 56.5°F | 58.3°F |
| Anchorage | 57.9°F | 55.4°F | 57.0°F |
| Seaside | 57.3°F | 58.8°F | 56.4°F |
| Newport (OR) | 55.4°F | 56.0°F | 52.3°F |
| Rockaway Beach | 54.3°F | 57.1°F | 52.7°F |
| Florence | 54.0°F | 55.5°F | 53.8°F |
| Wasilla | 52.3°F | 52.6°F | 54.1°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in August.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
