The USA resorts with the warmest sea water temperature in April are Everglades, Key West and Islamorada.
Below you can see a list of all popular USA resorts and information about sea water temperature in April for the last two years.
| Resort Name | April 2024 | April 2023 | April 2022 |
|---|---|---|---|
| Everglades | 81.1°F | 85.2°F | 83.3°F |
| Key West | 80.7°F | 84.5°F | 82.5°F |
| Islamorada | 80.6°F | 84.3°F | 82.6°F |
| West Palm Beach | 80.6°F | 82.3°F | 81.8°F |
| Key Largo | 80.4°F | 84.2°F | 82.2°F |
| Miami Beach | 80.1°F | 82.8°F | 82.1°F |
| Fort Lauderdale | 79.9°F | 82.4°F | 81.6°F |
| Kailua Kona | 79.9°F | 80.6°F | 80.3°F |
| Miami | 79.8°F | 82.9°F | 82.1°F |
| Hialeah | 79.7°F | 82.9°F | 82.0°F |
| Marco Island | 79.5°F | 83.1°F | 80.8°F |
| Lanai | 79.3°F | 80.4°F | 79.7°F |
| Cape Coral | 79.3°F | 83.0°F | 80.6°F |
| Naples | 79.2°F | 82.8°F | 80.3°F |
| Honolulu | 79.2°F | 80.4°F | 79.5°F |
| Hawaii | 79.0°F | 80.1°F | 79.4°F |
| Kihei | 78.7°F | 80.2°F | 79.6°F |
| Sanibel Island | 78.6°F | 83.1°F | 80.2°F |
| Molokai | 78.6°F | 80.7°F | 80.0°F |
| Kahului | 78.4°F | 79.2°F | 78.9°F |
| Hilo | 78.3°F | 78.7°F | 79.4°F |
| Maui | 78.2°F | 78.7°F | 78.5°F |
| Kauai | 77.9°F | 78.8°F | 79.6°F |
| Princeville | 77.9°F | 78.8°F | 79.7°F |
| Oahu | 77.8°F | 78.8°F | 79.3°F |
| Port St. Lucie | 77.0°F | 80.3°F | 79.0°F |
| Siesta Key | 77.0°F | 80.8°F | 78.2°F |
| Sarasota | 77.0°F | 80.8°F | 78.3°F |
| St. Petersburg | 76.9°F | 80.5°F | 78.2°F |
| Corpus Christi | 76.9°F | 77.0°F | 77.5°F |
| Tampa | 76.8°F | 80.7°F | 78.5°F |
| Cocoa Beach | 76.6°F | 78.8°F | 77.4°F |
| Clearwater Beach | 76.1°F | 80.1°F | 77.3°F |
| South Padre Island | 75.8°F | 75.4°F | 75.5°F |
| Port Aransas | 75.5°F | 75.3°F | 75.5°F |
| Mustang Island | 75.4°F | 75.5°F | 75.6°F |
| Grand Isle | 75.1°F | 75.9°F | 76.1°F |
| Avery Island | 75.1°F | 73.9°F | 75.1°F |
| Galveston Island | 74.8°F | 74.2°F | 74.7°F |
| Galveston | 74.5°F | 74.0°F | 74.2°F |
| Houston | 74.0°F | 73.0°F | 74.3°F |
| Pensacola | 73.3°F | 73.2°F | 73.4°F |
| Long Beach | 73.3°F | 73.6°F | 74.3°F |
| Orlando | 73.2°F | 75.8°F | 75.6°F |
| Pass Christian | 73.2°F | 74.0°F | 74.4°F |
| Bay Saint Louis | 73.1°F | 74.3°F | 74.5°F |
| Gulfport | 73.1°F | 73.6°F | 74.2°F |
| Ocean Springs | 72.8°F | 73.3°F | 73.9°F |
| Biloxi | 72.8°F | 73.3°F | 74.1°F |
| New Orleans | 72.7°F | 73.4°F | 73.3°F |
| St. George Island | 72.6°F | 75.0°F | 73.9°F |
| Daytona Beach | 72.5°F | 75.2°F | 75.7°F |
| Orange Beach | 72.4°F | 72.5°F | 72.9°F |
| Dauphin Island | 72.4°F | 72.6°F | 72.4°F |
| Pensacola Beach | 72.3°F | 73.2°F | 73.0°F |
| Gulf Shores | 72.2°F | 72.5°F | 73.0°F |
| Panama City Beach | 71.9°F | 75.7°F | 73.9°F |
| Miramar Beach | 71.6°F | 74.2°F | 73.0°F |
| Destin | 71.5°F | 73.8°F | 72.7°F |
| Santa Rosa Beach | 71.4°F | 74.3°F | 73.0°F |
| St. Augustine | 71.3°F | 73.6°F | 74.2°F |
| Fort Walton Beach | 71.3°F | 73.6°F | 72.5°F |
| Mobile | 70.9°F | 73.0°F | 70.7°F |
| Jekyll Island | 70.5°F | 72.4°F | 72.4°F |
| St. Simons Island | 70.2°F | 72.2°F | 71.9°F |
| Amelia Island | 70.1°F | 72.1°F | 72.5°F |
| Jacksonville | 69.9°F | 72.3°F | 72.6°F |
| Hilton Head Island | 68.9°F | 70.8°F | 70.5°F |
| Wilmington Island | 68.8°F | 70.9°F | 70.5°F |
| Edisto Beach | 68.7°F | 70.4°F | 69.9°F |
| Tybee Island | 68.6°F | 70.6°F | 70.1°F |
| Mount Pleasant | 68.5°F | 69.1°F | 69.3°F |
| Charleston | 68.3°F | 69.3°F | 69.1°F |
| Isle of Palms | 68.3°F | 69.3°F | 69.1°F |
| Kiawah Island | 68.1°F | 69.8°F | 69.3°F |
| Folly Beach | 68.0°F | 69.5°F | 68.9°F |
| Pawleys Island | 66.8°F | 68.1°F | 67.6°F |
| Murrells Inlet | 66.7°F | 68.0°F | 67.3°F |
| Bald Head Island | 66.6°F | 67.7°F | 67.1°F |
| Myrtle Beach | 66.4°F | 67.5°F | 66.6°F |
| Oak Island | 66.3°F | 67.7°F | 66.8°F |
| Arcadian Shores | 66.2°F | 67.6°F | 66.4°F |
| North Myrtle Beach | 66.1°F | 67.6°F | 66.3°F |
| Carolina Beach | 65.1°F | 66.4°F | 66.5°F |
| Wilmington | 64.7°F | 66.0°F | 66.0°F |
| Wrightsville Beach | 64.2°F | 65.9°F | 65.7°F |
| North Topsail Beach | 64.1°F | 65.8°F | 65.4°F |
| San Diego | 61.9°F | 59.8°F | 62.6°F |
| Fremont | 61.6°F | 57.0°F | 59.7°F |
| Chula Vista | 61.5°F | 59.1°F | 62.2°F |
| San Jose | 61.4°F | 56.8°F | 59.6°F |
| Laguna Beach | 60.3°F | 58.6°F | 61.3°F |
| Irvine | 60.2°F | 58.5°F | 61.1°F |
| Santa Ana | 60.2°F | 58.3°F | 61.0°F |
| Newport Beach | 60.1°F | 58.4°F | 61.1°F |
| Santa Catalina Island | 59.9°F | 59.6°F | 62.2°F |
| Anaheim | 59.8°F | 57.6°F | 60.7°F |
| Hatteras Island | 59.5°F | 66.2°F | 65.7°F |
| Beverly Hills | 59.4°F | 58.2°F | 60.4°F |
| Hollywood | 59.4°F | 58.2°F | 60.4°F |
| Chesapeake | 59.4°F | 61.7°F | 60.8°F |
| Santa Monica | 59.4°F | 58.2°F | 60.4°F |
| Los Angeles | 59.2°F | 57.9°F | 60.5°F |
| Oakland | 59.1°F | 56.3°F | 59.9°F |
| Long Beach | 58.9°F | 56.5°F | 59.6°F |
| Norfolk | 58.6°F | 61.1°F | 59.4°F |
| Washington | 58.2°F | 62.6°F | 56.8°F |
| Malibu | 58.2°F | 56.5°F | 58.8°F |
| Outer Banks | 58.1°F | 59.9°F | 59.9°F |
| Oxnard | 58.1°F | 55.7°F | 58.9°F |
| Kill Devil Hills | 57.9°F | 57.5°F | 57.6°F |
| Sausalito | 57.8°F | 55.4°F | 56.9°F |
| San Francisco | 57.6°F | 55.1°F | 57.3°F |
| Nags Head | 57.5°F | 57.1°F | 57.4°F |
| Santa Barbara | 57.1°F | 55.7°F | 58.2°F |
| Tangier Island | 56.3°F | 58.4°F | 54.7°F |
| Saint Michaels | 56.2°F | 60.4°F | 54.0°F |
| Monterey | 56.1°F | 53.7°F | 53.0°F |
| Corolla | 56.0°F | 56.8°F | 56.9°F |
| Virginia Beach | 55.7°F | 57.6°F | 55.9°F |
| Santa Cruz | 55.5°F | 53.5°F | 53.9°F |
| Annapolis | 55.3°F | 58.1°F | 52.5°F |
| Baltimore | 55.0°F | 58.0°F | 52.2°F |
| Chincoteague | 52.9°F | 55.3°F | 55.2°F |
| New Castle | 52.6°F | 55.9°F | 51.3°F |
| Wilmington | 52.4°F | 55.6°F | 50.9°F |
| Ocean Shores | 52.2°F | 49.3°F | 50.0°F |
| Rockaway Beach | 51.9°F | 48.8°F | 49.7°F |
| Seaside | 51.9°F | 48.8°F | 49.6°F |
| Astoria | 51.9°F | 48.8°F | 49.2°F |
| Pacific City | 51.9°F | 49.1°F | 49.8°F |
| Cannon Beach | 51.9°F | 48.7°F | 49.5°F |
| Lewes | 51.6°F | 54.3°F | 50.4°F |
| Lincoln City | 51.5°F | 49.1°F | 49.7°F |
| Newport | 51.5°F | 49.1°F | 50.1°F |
| South Bethany | 51.5°F | 53.3°F | 49.9°F |
| Bethany Beach | 51.5°F | 53.4°F | 49.9°F |
| Depoe Bay | 51.4°F | 49.0°F | 49.9°F |
| Dewey Beach | 51.4°F | 52.7°F | 49.3°F |
| Florence | 51.3°F | 49.2°F | 50.3°F |
| Fenwick Island | 51.3°F | 53.5°F | 50.3°F |
| Ocean City | 51.2°F | 54.2°F | 51.4°F |
| Rehoboth Beach | 51.1°F | 53.7°F | 50.0°F |
| Brigantine | 50.4°F | 53.1°F | 49.1°F |
| Cape May | 50.3°F | 53.1°F | 49.7°F |
| Whidbey Island | 50.2°F | 47.7°F | 48.3°F |
| Ocean City | 49.9°F | 53.2°F | 49.1°F |
| Wildwood Crest | 49.7°F | 52.7°F | 49.5°F |
| Wildwood | 49.7°F | 52.7°F | 49.5°F |
| Atlantic City | 49.7°F | 53.2°F | 49.1°F |
| Beach Haven | 49.7°F | 53.0°F | 48.9°F |
| Toledo | 49.5°F | 47.2°F | 44.6°F |
| Sea Isle City | 49.4°F | 52.3°F | 48.7°F |
| Bellevue | 49.3°F | 47.0°F | 47.5°F |
| Bellingham | 49.2°F | 47.0°F | 48.2°F |
| Long Beach Island | 49.1°F | 52.2°F | 48.3°F |
| Tacoma | 49.0°F | 47.1°F | 47.5°F |
| Seaside Heights | 48.4°F | 50.2°F | 46.6°F |
| Port Angeles | 48.3°F | 47.1°F | 46.8°F |
| Newark | 48.2°F | 50.1°F | 46.8°F |
| Jersey City | 48.0°F | 50.1°F | 46.8°F |
| New York | 48.0°F | 50.0°F | 46.8°F |
| Port Clinton | 47.8°F | 45.0°F | 44.4°F |
| Sandusky | 47.8°F | 45.1°F | 43.5°F |
| Warwick | 47.2°F | 49.2°F | 48.4°F |
| Yonkers | 47.1°F | 49.4°F | 45.7°F |
| Bristol | 47.0°F | 49.2°F | 48.5°F |
| Jamestown | 46.9°F | 48.2°F | 47.1°F |
| Providence | 46.9°F | 48.9°F | 47.9°F |
| Fire Island | 46.8°F | 49.1°F | 47.4°F |
| Put in Bay | 46.4°F | 44.3°F | 41.9°F |
| Newport | 46.3°F | 48.1°F | 46.9°F |
| Hampton Bays | 46.3°F | 47.4°F | 47.3°F |
| New Haven | 46.0°F | 48.2°F | 45.1°F |
| Stamford | 46.0°F | 47.2°F | 44.4°F |
| New Bedford | 45.9°F | 47.9°F | 47.1°F |
| Norwalk | 45.7°F | 46.8°F | 44.2°F |
| Milford | 45.5°F | 47.8°F | 44.7°F |
| Cleveland | 45.5°F | 41.8°F | 42.9°F |
| Oshkosh | 45.5°F | 39.2°F | 39.5°F |
| Falmouth | 45.4°F | 47.6°F | 47.0°F |
| Ketchikan | 45.3°F | 42.4°F | 43.1°F |
| Yosemite | 45.2°F | 45.1°F | 45.1°F |
| Dennis Port | 45.1°F | 46.7°F | 47.2°F |
| Edgartown | 45.0°F | 47.5°F | 46.7°F |
| Old Saybrook | 44.9°F | 46.0°F | 44.8°F |
| Nantucket | 44.8°F | 46.9°F | 46.6°F |
| Westbrook | 44.8°F | 46.1°F | 44.8°F |
| New London | 44.7°F | 45.7°F | 45.6°F |
| Groton | 44.7°F | 45.7°F | 45.6°F |
| Martha's Vineyard | 44.6°F | 47.1°F | 46.5°F |
| Montauk | 44.6°F | 45.3°F | 45.2°F |
| Michigan City | 44.4°F | 41.9°F | 39.6°F |
| Evanston | 44.3°F | 42.2°F | 39.8°F |
| Charlestown | 44.3°F | 45.6°F | 45.3°F |
| Appleton | 44.3°F | 38.6°F | 39.1°F |
| Stonington | 44.2°F | 45.2°F | 45.2°F |
| Mystic | 44.2°F | 45.2°F | 45.2°F |
| Westerly | 44.1°F | 45.2°F | 45.1°F |
| Chicago | 44.0°F | 42.9°F | 40.9°F |
| Cambridge | 44.0°F | 45.8°F | 45.7°F |
| Boston | 44.0°F | 45.8°F | 45.7°F |
| Oak Park | 44.0°F | 42.9°F | 40.7°F |
| Block Island | 43.8°F | 45.2°F | 45.0°F |
| New Shoreham | 43.8°F | 45.3°F | 45.0°F |
| Siasconset | 43.7°F | 45.1°F | 45.0°F |
| Plymouth | 43.7°F | 45.2°F | 45.3°F |
| Sitka | 43.6°F | 41.2°F | 41.8°F |
| Chatham | 43.4°F | 44.1°F | 44.3°F |
| Incline Village | 43.4°F | 45.7°F | 45.7°F |
| Stateline | 43.2°F | 44.4°F | 45.9°F |
| South Lake Tahoe | 43.2°F | 44.2°F | 45.9°F |
| South Haven | 43.0°F | 41.0°F | 38.6°F |
| Lake Tahoe | 43.0°F | 45.3°F | 45.6°F |
| Provincetown | 42.9°F | 44.0°F | 43.4°F |
| Freeport | 42.9°F | 43.1°F | 42.5°F |
| Saugatuck | 42.8°F | 40.5°F | 38.0°F |
| Erie | 42.8°F | 42.0°F | 40.1°F |
| Salem | 42.7°F | 44.0°F | 43.6°F |
| Brunswick | 42.6°F | 42.9°F | 41.8°F |
| Green Bay | 42.6°F | 37.1°F | 38.1°F |
| Hampton Beach | 42.4°F | 43.2°F | 42.3°F |
| Hampton | 42.4°F | 43.1°F | 42.2°F |
| Holland | 42.4°F | 40.4°F | 37.8°F |
| York Beach | 42.0°F | 42.8°F | 41.8°F |
| Old Orchard Beach | 42.0°F | 42.7°F | 42.0°F |
| Portsmouth | 41.9°F | 42.7°F | 42.0°F |
| Ogunquit | 41.9°F | 42.3°F | 41.7°F |
| Kennebunkport | 41.9°F | 42.4°F | 41.7°F |
| Wells | 41.8°F | 42.4°F | 41.7°F |
| Camden | 41.5°F | 41.9°F | 41.2°F |
| Juneau | 41.2°F | 38.9°F | 38.5°F |
| Rockland | 41.0°F | 42.2°F | 41.1°F |
| Rochester | 40.9°F | 39.2°F | 38.3°F |
| Haines | 40.8°F | 38.1°F | 37.8°F |
| Milwaukee | 40.8°F | 39.1°F | 35.8°F |
| Buffalo | 40.7°F | 40.0°F | 36.8°F |
| Mount Desert Island | 40.4°F | 40.6°F | 40.1°F |
| Bar Harbor | 40.3°F | 40.6°F | 40.1°F |
| Valdez | 40.2°F | 39.7°F | 39.2°F |
| Duluth | 39.9°F | 32.6°F | 31.8°F |
| Seward | 39.0°F | 38.2°F | 38.8°F |
| Niagara Falls | 38.7°F | 38.7°F | 36.1°F |
| Homer | 38.6°F | 37.1°F | 39.1°F |
| Sturgeon Bay | 38.4°F | 35.9°F | 34.1°F |
| Traverse City | 37.3°F | 36.2°F | 33.7°F |
| Mackinac Island | 35.9°F | 33.8°F | 32.2°F |
| Charlevoix | 35.8°F | 33.8°F | 31.9°F |
| Girdwood | 35.5°F | 34.5°F | 35.6°F |
| Bayfield | 35.3°F | 32.0°F | 32.5°F |
| Marquette | 35.0°F | 34.3°F | 31.3°F |
| Petoskey | 34.8°F | 33.4°F | 31.7°F |
| Harbor Springs | 34.8°F | 33.5°F | 31.6°F |
| Grand Marais | 33.8°F | 31.9°F | 31.3°F |
| Wasilla | 33.3°F | 33.1°F | 34.0°F |
| Kenai | 33.1°F | 33.0°F | 34.3°F |
| Anchorage | 32.7°F | 32.0°F | 33.4°F |
| Kissimmee | 30.0°F | 74.5°F | |
| Lake Geneva | 30.0°F | 36.6°F | 34.5°F |
Please see following sea water temperature averages charts for the warmest USA resorts in April.
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.
USA Resorts:
NAME
F°
| Boston |  |
+44 |
| Chicago | |
+40 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston |  |
+78 |
| Las Vegas | |
+74 |
| Los Angeles | |
+60 |
| Maui | |
+76 |
| Miami |  |
+76 |
| New York | |
+46 |
| San Diego | |
+64 |
| San Francisco |  |
+54 |
| Sarasota | |
+70 |
| Tampa | |
+72 |
| Washington |  |
+52 |
