In April warmest sea in USA is usually observed in the following locations: Key Largo, West Palm Beach, Key West.
Table below shows the average sea water temperature for marine resorts of USA in April for the last three years.
| Place name | April 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Key Largo | 78.2°F | 78.5°F | 77.3°F |
| West Palm Beach | 78.2°F | 78.3°F | 77.5°F |
| Key West | 78.2°F | 78.0°F | 77.6°F |
| Fort Lauderdale | 78.1°F | 78.0°F | 76.9°F |
| Miami Beach | 78.0°F | 78.3°F | 77.1°F |
| Miami | 77.5°F | 77.9°F | 76.9°F |
| Honolulu | 76.5°F | 77.4°F | 76.2°F |
| Cape Coral | 76.4°F | 77.2°F | 76.3°F |
| Port St. Lucie | 76.4°F | 74.9°F | 74.3°F |
| Hawaii | 76.2°F | 77.3°F | 76.1°F |
| Maui | 75.9°F | 76.6°F | 75.4°F |
| Kauai | 75.9°F | 74.9°F | 75.1°F |
| Naples | 75.8°F | 77.0°F | 76.3°F |
| South Padre Island | 75.7°F | 74.5°F | 73.2°F |
| Tampa | 75.3°F | 76.6°F | 74.1°F |
| Cocoa Beach | 75.0°F | 75.1°F | 73.9°F |
| Corpus Christi | 75.0°F | 74.7°F | 74.2°F |
| Oahu | 74.9°F | 76.4°F | 75.0°F |
| Clearwater Beach | 74.7°F | 75.6°F | 73.5°F |
| Galveston | 74.7°F | 73.8°F | 72.1°F |
| Houston | 74.5°F | 73.7°F | 71.6°F |
| Sarasota | 74.2°F | 76.0°F | 74.3°F |
| Siesta Key | 73.8°F | 75.7°F | 74.3°F |
| Pensacola | 73.0°F | 72.7°F | 71.0°F |
| New Orleans | 72.6°F | 72.1°F | 70.4°F |
| Orlando | 72.3°F | 72.8°F | 70.9°F |
| St. George Island | 72.3°F | 72.8°F | 70.3°F |
| Orange Beach | 72.2°F | 72.7°F | 70.2°F |
| Pensacola Beach | 71.7°F | 72.5°F | 70.1°F |
| Daytona Beach | 71.7°F | 72.6°F | 70.3°F |
| Santa Rosa Beach | 71.4°F | 71.7°F | 69.2°F |
| Destin | 71.3°F | 72.0°F | 69.4°F |
| Panama City Beach | 71.2°F | 71.9°F | 69.7°F |
| Fort Walton Beach | 71.1°F | 71.8°F | 69.2°F |
| Jekyll Island | 69.5°F | 72.0°F | 68.4°F |
| St. Augustine | 69.2°F | 72.4°F | 69.2°F |
| St. Simons Island | 69.1°F | 71.5°F | 68.1°F |
| Hilton Head Island | 68.5°F | 69.4°F | 67.0°F |
| Tybee Island | 68.4°F | 69.4°F | 66.7°F |
| Amelia Island | 68.0°F | 71.1°F | 68.1°F |
| Jacksonville | 67.9°F | 71.2°F | 67.9°F |
| Charleston (SC) | 67.6°F | 68.9°F | 66.5°F |
| Kiawah Island | 67.2°F | 69.1°F | 66.3°F |
| Isle of Palms | 67.2°F | 68.6°F | 66.5°F |
| Bald Head Island | 65.8°F | 66.4°F | 64.9°F |
| Carolina Beach | 65.4°F | 65.3°F | 63.6°F |
| North Myrtle Beach | 65.3°F | 66.5°F | 64.4°F |
| Myrtle Beach | 65.2°F | 66.3°F | 64.7°F |
| San Diego | 65.1°F | 58.8°F | 60.7°F |
| Laguna Beach | 64.9°F | 58.4°F | 59.3°F |
| Irvine | 64.7°F | 58.2°F | 59.2°F |
| Newport Beach | 64.5°F | 58.1°F | 59.1°F |
| Wilmington (NC) | 64.4°F | 64.3°F | 63.2°F |
| Santa Catalina Island | 63.8°F | 59.3°F | 58.9°F |
| Beverly Hills | 63.7°F | 58.4°F | 58.5°F |
| Hollywood | 63.7°F | 58.4°F | 58.5°F |
| Santa Monica | 63.7°F | 58.4°F | 58.5°F |
| Los Angeles | 63.5°F | 58.1°F | 58.3°F |
| Washington | 63.5°F | 60.2°F | 57.4°F |
| Long Beach (CA) | 63.0°F | 57.6°F | 58.0°F |
| Malibu | 62.3°F | 57.0°F | 57.4°F |
| San Jose | 61.7°F | 59.7°F | 60.3°F |
| Santa Barbara | 61.2°F | 55.6°F | 56.4°F |
| Outer Banks | 60.7°F | 62.3°F | 57.3°F |
| San Francisco | 59.6°F | 56.4°F | 56.8°F |
| Kill Devil Hills | 58.1°F | 59.0°F | 57.1°F |
| Monterey | 57.9°F | 55.2°F | 55.5°F |
| Baltimore | 57.7°F | 53.1°F | 54.5°F |
| Santa Cruz | 57.4°F | 54.6°F | 54.9°F |
| Virginia Beach | 57.2°F | 56.9°F | 55.1°F |
| Florence | 52.0°F | 50.4°F | 51.2°F |
| Cannon Beach | 52.0°F | 51.2°F | 51.7°F |
| Ocean City (MD) | 51.6°F | 50.9°F | 51.1°F |
| Dewey Beach | 51.5°F | 51.2°F | 51.3°F |
| Bethany Beach | 51.4°F | 51.7°F | 51.3°F |
| Rehoboth Beach | 51.3°F | 50.8°F | 51.0°F |
| Cape May | 50.6°F | 50.3°F | 50.3°F |
| Tacoma | 50.2°F | 49.4°F | 49.1°F |
| Bellevue | 50.0°F | 50.0°F | 49.4°F |
| Atlantic City | 49.9°F | 49.4°F | 49.7°F |
| Sea Isle City | 49.7°F | 48.9°F | 49.5°F |
| Port Clinton | 48.9°F | 46.9°F | 48.1°F |
| Jersey City | 48.5°F | 47.6°F | 48.2°F |
| New York | 48.4°F | 47.5°F | 48.2°F |
| Long Beach Island | 48.2°F | 48.0°F | 49.2°F |
| Lake Tahoe | 48.0°F | 47.1°F | 43.7°F |
| South Lake Tahoe | 47.9°F | 47.2°F | 43.8°F |
| New Bedford | 46.1°F | 45.8°F | 46.3°F |
| Yosemite | 45.6°F | 45.6°F | 45.7°F |
| Martha's Vineyard | 45.5°F | 45.0°F | 45.2°F |
| Nantucket | 45.4°F | 45.1°F | 45.3°F |
| Boston | 44.7°F | 44.0°F | 44.6°F |
| Michigan City | 44.0°F | 44.1°F | 45.0°F |
| Chicago | 43.9°F | 43.9°F | 44.6°F |
| Hampton Beach | 42.7°F | 41.7°F | 43.2°F |
| Old Orchard Beach | 42.2°F | 41.0°F | 42.8°F |
| Holland | 41.9°F | 39.0°F | 43.1°F |
| Milwaukee | 40.4°F | 41.2°F | 41.7°F |
| Niagara Falls | 40.3°F | 37.8°F | 39.8°F |
| Anchorage | 34.2°F | 36.4°F | 34.5°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
