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 |
| Cocoa Beach | 86.8°F | 84.5°F | 84.2°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 |
| Tybee Island | 84.5°F | 84.0°F | 86.0°F |
| Charleston (SC) | 84.1°F | 83.1°F | 85.2°F |
| Isle of Palms | 83.8°F | 83.0°F | 84.6°F |
| Pawleys Island | 83.2°F | 82.2°F | 83.6°F |
| Myrtle Beach | 83.1°F | 82.5°F | 84.0°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 |
| 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 |
| Molokai | 80.1°F | 79.5°F | 80.5°F |
| Tangier Island | 80.0°F | 80.4°F | 81.0°F |
| Hilo | 79.9°F | 79.7°F | 79.5°F |
| Kill Devil Hills | 79.7°F | 78.4°F | 79.6°F |
| Wilmington (DE) | 79.5°F | 79.3°F | 78.5°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 |
| Rehoboth Beach | 76.4°F | 74.1°F | 74.0°F |
| Beach Haven | 76.1°F | 74.9°F | 75.0°F |
| Atlantic City | 75.8°F | 73.3°F | 73.9°F |
| Erie | 75.5°F | 74.6°F | 74.0°F |
| Cleveland | 75.2°F | 75.9°F | 75.4°F |
| Appleton | 74.8°F | 74.5°F | 74.8°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 |
| Yonkers | 74.0°F | 74.6°F | 73.1°F |
| Chicago | 73.8°F | 74.5°F | 72.4°F |
| New Haven | 73.7°F | 73.8°F | 72.8°F |
| Green Bay | 73.6°F | 74.1°F | 73.5°F |
| Niagara Falls | 72.9°F | 71.7°F | 70.2°F |
| New Bedford | 72.6°F | 73.4°F | 73.2°F |
| Westbrook | 71.7°F | 71.4°F | 70.5°F |
| Irvine | 70.6°F | 70.4°F | 69.2°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 |
| 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 |
| 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 |
| Marquette | 66.0°F | 67.9°F | 64.8°F |
| Wells | 64.1°F | 65.8°F | 63.8°F |
| Hampton | 64.1°F | 64.9°F | 63.3°F |
| Old Orchard Beach | 64.1°F | 65.5°F | 64.4°F |
| San Francisco | 63.8°F | 62.4°F | 63.7°F |
| Grand Marais | 61.3°F | 62.3°F | 59.7°F |
| Rockland | 60.7°F | 62.2°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 |
| Cannon Beach | 57.2°F | 58.7°F | 56.2°F |
| Juneau | 56.0°F | 55.8°F | 57.5°F |
| Seward | 55.9°F | 54.5°F | 55.1°F |
| Newport (OR) | 55.4°F | 56.0°F | 52.3°F |
| Valdez | 55.2°F | 55.7°F | 56.1°F |
| Depoe Bay | 54.8°F | 55.5°F | 52.4°F |
| Rockaway Beach | 54.3°F | 57.1°F | 52.7°F |
| Florence | 54.0°F | 55.5°F | 53.8°F |
| Girdwood | 52.8°F | 52.0°F | 55.8°F |
| Port Angeles | 52.3°F | 51.8°F | 52.7°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
