In April warmest sea in USA is usually observed in the following locations: Everglades, Key Largo, Islamorada.
Table below shows the average sea water temperature for marine resorts of USA in April for the last three years.
| Place name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Everglades | 78.8°F | 78.0°F | 81.7°F |
| Key Largo | 78.5°F | 77.3°F | 80.8°F |
| Islamorada | 78.4°F | 77.5°F | 80.9°F |
| Miami Beach | 78.3°F | 77.1°F | 79.6°F |
| Kailua Kona | 78.1°F | 76.9°F | 77.6°F |
| Fort Lauderdale | 78.0°F | 76.9°F | 79.2°F |
| Key West | 78.0°F | 77.6°F | 81.0°F |
| Miami | 77.9°F | 76.9°F | 79.6°F |
| Honolulu | 77.4°F | 76.2°F | 77.3°F |
| Hawaii | 77.3°F | 76.1°F | 77.0°F |
| Marco Island | 77.3°F | 76.6°F | 79.8°F |
| Cape Coral | 77.2°F | 76.3°F | 79.7°F |
| Naples | 77.0°F | 76.3°F | 79.5°F |
| Tampa | 76.6°F | 74.1°F | 77.6°F |
| Maui | 76.6°F | 75.4°F | 75.8°F |
| Oahu | 76.4°F | 75.0°F | 75.9°F |
| Sarasota | 76.0°F | 74.3°F | 77.8°F |
| Siesta Key | 75.7°F | 74.3°F | 77.7°F |
| Clearwater Beach | 75.6°F | 73.5°F | 77.1°F |
| Cocoa Beach | 75.1°F | 73.9°F | 76.0°F |
| Princeville | 74.9°F | 75.1°F | 75.9°F |
| Kauai | 74.9°F | 75.1°F | 75.9°F |
| Corpus Christi | 74.7°F | 74.2°F | 74.3°F |
| South Padre Island | 74.5°F | 73.2°F | 72.8°F |
| Houston | 73.7°F | 71.6°F | 70.7°F |
| Orlando | 72.8°F | 70.9°F | 73.2°F |
| Pensacola | 72.7°F | 71.0°F | 70.9°F |
| Daytona Beach | 72.6°F | 70.3°F | 72.6°F |
| St. Augustine | 72.4°F | 69.2°F | 71.2°F |
| New Orleans | 72.1°F | 70.4°F | 71.0°F |
| Destin | 72.0°F | 69.4°F | 71.4°F |
| Jekyll Island | 72.0°F | 68.4°F | 70.2°F |
| Panama City Beach | 71.9°F | 69.7°F | 73.2°F |
| Miramar Beach | 71.9°F | 69.4°F | 71.8°F |
| Jacksonville | 71.2°F | 67.9°F | 70.1°F |
| Mobile | 70.5°F | 68.8°F | 70.7°F |
| Tybee Island | 69.4°F | 66.7°F | 68.6°F |
| Charleston (SC) | 68.9°F | 66.5°F | 67.3°F |
| Murrells Inlet | 66.6°F | 65.0°F | 66.2°F |
| Oak Island | 66.5°F | 64.7°F | 65.9°F |
| Bald Head Island | 66.4°F | 64.9°F | 65.9°F |
| Myrtle Beach | 66.3°F | 64.7°F | 65.8°F |
| Carolina Beach | 65.3°F | 63.6°F | 64.7°F |
| Hatteras Island | 64.8°F | 58.5°F | 64.6°F |
| Wilmington (NC) | 64.3°F | 63.2°F | 64.4°F |
| Washington | 60.2°F | 57.4°F | 61.3°F |
| San Jose | 59.7°F | 60.3°F | 56.1°F |
| Norfolk | 59.6°F | 57.7°F | 60.0°F |
| Santa Catalina Island | 59.3°F | 58.9°F | 58.6°F |
| San Diego | 58.8°F | 60.7°F | 58.8°F |
| Oakland | 58.6°F | 58.2°F | 55.7°F |
| Laguna Beach | 58.4°F | 59.3°F | 57.7°F |
| Beverly Hills | 58.4°F | 58.5°F | 57.4°F |
| Hollywood | 58.4°F | 58.5°F | 57.4°F |
| Santa Monica | 58.4°F | 58.5°F | 57.3°F |
| Irvine | 58.2°F | 59.2°F | 57.7°F |
| Los Angeles | 58.1°F | 58.3°F | 57.1°F |
| Newport Beach | 58.1°F | 59.1°F | 57.6°F |
| Anaheim | 58.1°F | 58.8°F | 56.9°F |
| Long Beach (CA) | 57.6°F | 58.0°F | 55.9°F |
| Malibu | 57.0°F | 57.4°F | 55.9°F |
| Virginia Beach | 56.9°F | 55.1°F | 56.8°F |
| Tangier Island | 56.5°F | 55.6°F | 57.5°F |
| San Francisco | 56.4°F | 56.8°F | 54.5°F |
| Santa Barbara | 55.6°F | 56.4°F | 55.2°F |
| Monterey | 55.2°F | 55.5°F | 53.4°F |
| Chincoteague | 53.6°F | 52.6°F | 54.8°F |
| Lewes | 51.2°F | 51.4°F | 53.9°F |
| Ocean City (MD) | 50.9°F | 51.1°F | 53.7°F |
| Florence | 50.4°F | 51.2°F | 49.3°F |
| Cape May | 50.3°F | 50.3°F | 52.8°F |
| Whidbey Island | 50.1°F | 50.1°F | 47.9°F |
| Atlantic City | 49.4°F | 49.7°F | 52.9°F |
| Ocean City (NJ) | 49.1°F | 49.9°F | 52.8°F |
| Jersey City | 47.6°F | 48.2°F | 50.1°F |
| New York | 47.5°F | 48.2°F | 50.0°F |
| South Lake Tahoe | 47.2°F | 43.8°F | 44.8°F |
| Lake Tahoe | 47.1°F | 43.7°F | 45.8°F |
| Bristol | 47.1°F | 47.3°F | 49.3°F |
| Yosemite | 45.6°F | 45.7°F | 45.6°F |
| Nantucket | 45.1°F | 45.3°F | 47.2°F |
| Martha's Vineyard | 45.0°F | 45.2°F | 47.4°F |
| Oshkosh | 44.8°F | 45.9°F | 40.2°F |
| Stamford | 44.8°F | 46.4°F | 47.5°F |
| Montauk | 44.4°F | 45.1°F | 45.8°F |
| Sitka | 44.1°F | 44.2°F | 42.1°F |
| Boston | 44.0°F | 44.6°F | 46.2°F |
| Chicago | 43.9°F | 44.6°F | 43.6°F |
| Appleton | 43.7°F | 44.8°F | 39.8°F |
| Cleveland | 43.5°F | 46.0°F | 42.6°F |
| Green Bay | 42.8°F | 43.3°F | 38.4°F |
| Provincetown | 42.3°F | 43.6°F | 44.6°F |
| Homer | 41.4°F | 39.7°F | 38.4°F |
| Juneau | 40.7°F | 42.1°F | 40.0°F |
| Holland | 39.0°F | 43.1°F | 41.3°F |
| Niagara Falls | 37.8°F | 39.8°F | 39.8°F |
| Buffalo (NY) | 37.6°F | 41.6°F | 41.0°F |
| Anchorage | 36.4°F | 34.5°F | 33.8°F |
| Duluth | 35.5°F | 40.9°F | 34.4°F |
| Mackinac Island | 35.1°F | 37.3°F | 35.4°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in April.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
