The USA resorts with the warmest sea water temperature in April are Everglades, West Palm Beach 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 2026 | April 2025 | April 2024 |
|---|---|---|---|
| Everglades | 81.5°F | 82.0°F | 81.1°F |
| West Palm Beach | 81.3°F | 81.5°F | 80.6°F |
| Islamorada | 81.2°F | 81.6°F | 80.6°F |
| Miami Beach | 81.1°F | 81.4°F | 80.1°F |
| Fort Lauderdale | 81.1°F | 81.1°F | 79.9°F |
| Key Largo | 81.0°F | 81.6°F | 80.4°F |
| Key West | 81.0°F | 81.1°F | 80.7°F |
| Hialeah | 80.6°F | 81.0°F | 79.7°F |
| Miami | 80.4°F | 81.0°F | 79.8°F |
| Kailua Kona | 80.3°F | 81.3°F | 79.9°F |
| Hilo | 79.7°F | 80.2°F | 78.3°F |
| Kihei | 79.3°F | 80.5°F | 78.7°F |
| Port St. Lucie | 79.2°F | 77.7°F | 77.0°F |
| Honolulu | 79.1°F | 80.4°F | 79.2°F |
| Cape Coral | 79.0°F | 80.2°F | 79.3°F |
| Hawaii | 78.8°F | 80.3°F | 79.0°F |
| Lanai | 78.8°F | 80.9°F | 79.3°F |
| Kahului | 78.7°F | 79.8°F | 78.4°F |
| Molokai | 78.7°F | 80.2°F | 78.6°F |
| Marco Island | 78.7°F | 80.3°F | 79.5°F |
| Kauai | 78.6°F | 77.6°F | 77.9°F |
| Princeville | 78.5°F | 77.7°F | 77.9°F |
| Maui | 78.5°F | 79.5°F | 78.2°F |
| Sanibel Island | 78.4°F | 79.7°F | 78.6°F |
| Naples | 78.1°F | 80.0°F | 79.2°F |
| South Padre Island | 78.1°F | 77.2°F | 75.8°F |
| Avery Island | 78.0°F | 76.3°F | 75.1°F |
| Tampa | 77.8°F | 79.6°F | 76.8°F |
| St. Petersburg | 77.8°F | 79.2°F | 76.9°F |
| Port Aransas | 77.7°F | 76.3°F | 75.5°F |
| Cocoa Beach | 77.4°F | 77.8°F | 76.6°F |
| Oahu | 77.4°F | 79.4°F | 77.8°F |
| Galveston Island | 77.2°F | 77.1°F | 74.8°F |
| Corpus Christi | 77.2°F | 77.4°F | 76.9°F |
| Mustang Island | 77.2°F | 76.0°F | 75.4°F |
| Galveston | 77.0°F | 76.5°F | 74.5°F |
| Clearwater Beach | 76.9°F | 78.4°F | 76.1°F |
| Houston | 76.8°F | 76.4°F | 74.0°F |
| Grand Isle | 76.6°F | 78.0°F | 75.1°F |
| Sarasota | 76.5°F | 78.9°F | 77.0°F |
| Ocean Springs | 76.1°F | 75.9°F | 72.8°F |
| Siesta Key | 76.0°F | 78.6°F | 77.0°F |
| Bay Saint Louis | 75.9°F | 75.9°F | 73.1°F |
| Gulfport | 75.9°F | 75.6°F | 73.1°F |
| Pass Christian | 75.9°F | 75.9°F | 73.2°F |
| Biloxi | 75.8°F | 75.8°F | 72.8°F |
| Long Beach | 75.8°F | 75.9°F | 73.3°F |
| Mobile | 75.1°F | 72.8°F | 70.9°F |
| Pensacola | 75.1°F | 75.2°F | 73.3°F |
| Dauphin Island | 75.0°F | 75.5°F | 72.4°F |
| New Orleans | 74.5°F | 74.6°F | 72.7°F |
| Orange Beach | 74.3°F | 75.3°F | 72.4°F |
| St. George Island | 74.2°F | 75.3°F | 72.6°F |
| Orlando | 74.2°F | 75.3°F | 73.2°F |
| Gulf Shores | 74.1°F | 75.5°F | 72.2°F |
| Pensacola Beach | 73.7°F | 74.9°F | 72.3°F |
| Daytona Beach | 73.4°F | 75.2°F | 72.5°F |
| Santa Rosa Beach | 73.2°F | 74.2°F | 71.4°F |
| Miramar Beach | 73.1°F | 74.3°F | 71.6°F |
| Destin | 73.1°F | 74.4°F | 71.5°F |
| Panama City Beach | 73.0°F | 74.4°F | 71.9°F |
| Fort Walton Beach | 72.9°F | 74.2°F | 71.3°F |
| Jekyll Island | 71.0°F | 74.4°F | 70.5°F |
| St. Simons Island | 70.5°F | 73.9°F | 70.2°F |
| St. Augustine | 70.2°F | 74.8°F | 71.3°F |
| Wilmington Island | 70.0°F | 71.8°F | 68.8°F |
| Hilton Head Island | 69.7°F | 71.6°F | 68.9°F |
| Tybee Island | 69.7°F | 71.6°F | 68.6°F |
| Amelia Island | 69.2°F | 73.5°F | 70.1°F |
| Edisto Beach | 69.1°F | 71.8°F | 68.7°F |
| Jacksonville | 69.1°F | 73.6°F | 69.9°F |
| Charleston | 68.8°F | 71.0°F | 68.3°F |
| Mount Pleasant | 68.6°F | 70.8°F | 68.5°F |
| Isle of Palms | 68.3°F | 70.7°F | 68.3°F |
| Folly Beach | 68.3°F | 70.8°F | 68.0°F |
| Kiawah Island | 68.2°F | 71.2°F | 68.1°F |
| San Diego | 67.2°F | 59.8°F | 61.9°F |
| Laguna Beach | 67.0°F | 59.4°F | 60.3°F |
| Bald Head Island | 66.9°F | 68.2°F | 66.6°F |
| Hatteras Island | 66.9°F | 66.5°F | 59.5°F |
| Oak Island | 66.7°F | 68.3°F | 66.3°F |
| Irvine | 66.6°F | 59.1°F | 60.2°F |
| Pawleys Island | 66.5°F | 68.3°F | 66.8°F |
| Chula Vista | 66.5°F | 59.5°F | 61.5°F |
| North Myrtle Beach | 66.4°F | 68.4°F | 66.1°F |
| Carolina Beach | 66.4°F | 67.1°F | 65.1°F |
| Newport Beach | 66.3°F | 59.0°F | 60.1°F |
| Murrells Inlet | 66.3°F | 68.4°F | 66.7°F |
| Arcadian Shores | 66.2°F | 68.4°F | 66.2°F |
| Myrtle Beach | 66.2°F | 68.1°F | 66.4°F |
| Santa Ana | 66.1°F | 59.0°F | 60.2°F |
| Beverly Hills | 65.6°F | 59.3°F | 59.4°F |
| Hollywood | 65.6°F | 59.3°F | 59.4°F |
| Anaheim | 65.6°F | 58.9°F | 59.8°F |
| Santa Monica | 65.6°F | 59.3°F | 59.4°F |
| Santa Catalina Island | 65.3°F | 60.4°F | 59.9°F |
| Los Angeles | 65.3°F | 59.0°F | 59.2°F |
| North Topsail Beach | 65.2°F | 65.3°F | 64.1°F |
| Wilmington | 65.0°F | 65.9°F | 64.7°F |
| Long Beach | 64.9°F | 58.4°F | 58.9°F |
| Wrightsville Beach | 64.9°F | 65.4°F | 64.2°F |
| Washington | 64.8°F | 61.3°F | 58.2°F |
| Malibu | 64.0°F | 57.7°F | 58.2°F |
| Chesapeake | 63.7°F | 60.8°F | 59.4°F |
| Fremont | 63.6°F | 60.9°F | 61.6°F |
| San Jose | 63.5°F | 60.7°F | 61.4°F |
| Oxnard | 63.4°F | 55.9°F | 58.1°F |
| Santa Barbara | 63.1°F | 56.2°F | 57.1°F |
| Oakland | 62.5°F | 59.6°F | 59.1°F |
| Norfolk | 62.3°F | 60.6°F | 58.6°F |
| Outer Banks | 61.7°F | 63.6°F | 58.1°F |
| San Francisco | 60.5°F | 57.1°F | 57.6°F |
| Sausalito | 60.4°F | 57.3°F | 57.8°F |
| Saint Michaels | 59.7°F | 57.0°F | 56.2°F |
| Monterey | 58.9°F | 55.8°F | 56.1°F |
| Santa Cruz | 58.4°F | 55.2°F | 55.5°F |
| Baltimore | 58.1°F | 53.5°F | 55.0°F |
| Tangier Island | 58.0°F | 57.2°F | 56.3°F |
| Kill Devil Hills | 58.0°F | 60.0°F | 57.9°F |
| Nags Head | 57.6°F | 60.2°F | 57.5°F |
| Virginia Beach | 57.3°F | 57.7°F | 55.7°F |
| Annapolis | 56.3°F | 55.7°F | 55.3°F |
| New Castle | 55.9°F | 53.7°F | 52.6°F |
| Wilmington | 55.4°F | 53.3°F | 52.4°F |
| Corolla | 54.9°F | 59.2°F | 56.0°F |
| Chincoteague | 54.9°F | 54.0°F | 52.9°F |
| Rockaway Beach | 52.1°F | 51.5°F | 51.9°F |
| Florence | 52.1°F | 50.4°F | 51.3°F |
| Newport | 52.0°F | 50.6°F | 51.5°F |
| Cannon Beach | 51.7°F | 51.3°F | 51.9°F |
| Seaside | 51.7°F | 51.4°F | 51.9°F |
| Depoe Bay | 51.6°F | 50.4°F | 51.4°F |
| Lincoln City | 51.6°F | 50.4°F | 51.5°F |
| Lewes | 51.3°F | 51.3°F | 51.6°F |
| Fenwick Island | 51.3°F | 51.9°F | 51.3°F |
| Pacific City | 51.2°F | 50.8°F | 51.9°F |
| Astoria | 51.2°F | 51.3°F | 51.9°F |
| Ocean Shores | 51.0°F | 51.4°F | 52.2°F |
| Dewey Beach | 50.9°F | 51.4°F | 51.4°F |
| Ocean City | 50.9°F | 51.0°F | 51.2°F |
| Bethany Beach | 50.7°F | 51.9°F | 51.5°F |
| South Bethany | 50.7°F | 51.9°F | 51.5°F |
| Rehoboth Beach | 50.7°F | 50.9°F | 51.1°F |
| Whidbey Island | 50.3°F | 50.1°F | 50.2°F |
| Brigantine | 50.2°F | 50.1°F | 50.4°F |
| Cape May | 50.1°F | 50.3°F | 50.3°F |
| Ocean City | 50.1°F | 49.0°F | 49.9°F |
| Tacoma | 50.0°F | 49.3°F | 49.0°F |
| Bellevue | 49.9°F | 50.0°F | 49.3°F |
| Wildwood Crest | 49.8°F | 49.7°F | 49.7°F |
| Wildwood | 49.8°F | 49.7°F | 49.7°F |
| Atlantic City | 49.4°F | 49.4°F | 49.7°F |
| Sea Isle City | 49.2°F | 48.7°F | 49.4°F |
| Bellingham | 49.1°F | 49.9°F | 49.2°F |
| Incline Village | 48.6°F | 46.3°F | 43.4°F |
| Beach Haven | 48.4°F | 48.5°F | 49.7°F |
| Lake Tahoe | 48.1°F | 46.8°F | 43.0°F |
| Stateline | 48.0°F | 46.9°F | 43.2°F |
| South Lake Tahoe | 47.9°F | 46.9°F | 43.2°F |
| Port Angeles | 47.9°F | 48.1°F | 48.3°F |
| Toledo | 47.6°F | 48.4°F | 49.5°F |
| Newark | 47.4°F | 47.3°F | 48.2°F |
| Long Beach Island | 47.4°F | 47.7°F | 49.1°F |
| Jersey City | 47.3°F | 47.3°F | 48.0°F |
| New York | 47.3°F | 47.2°F | 48.0°F |
| Port Clinton | 46.8°F | 46.5°F | 47.8°F |
| Warwick | 46.3°F | 46.8°F | 47.2°F |
| Providence | 46.3°F | 46.8°F | 46.9°F |
| Bristol | 46.2°F | 46.7°F | 47.0°F |
| Sandusky | 46.2°F | 45.7°F | 47.8°F |
| Yonkers | 46.0°F | 46.1°F | 47.1°F |
| Seaside Heights | 45.5°F | 46.4°F | 48.4°F |
| New Bedford | 44.5°F | 45.3°F | 45.9°F |
| Edgartown | 44.4°F | 45.2°F | 45.0°F |
| Yosemite | 44.3°F | 45.1°F | 45.2°F |
| Put in Bay | 44.3°F | 45.5°F | 46.4°F |
| Dennis Port | 44.3°F | 44.3°F | 45.1°F |
| Nantucket | 44.1°F | 44.6°F | 44.8°F |
| Martha's Vineyard | 44.1°F | 44.5°F | 44.6°F |
| Falmouth | 43.9°F | 45.0°F | 45.4°F |
| Newport | 43.9°F | 44.8°F | 46.3°F |
| Jamestown | 43.8°F | 44.8°F | 46.9°F |
| Stamford | 43.8°F | 44.2°F | 46.0°F |
| Fire Island | 43.6°F | 45.8°F | 46.8°F |
| New Haven | 43.4°F | 44.8°F | 46.0°F |
| Cambridge | 43.4°F | 43.4°F | 44.0°F |
| Boston | 43.3°F | 43.4°F | 44.0°F |
| Plymouth | 43.1°F | 43.6°F | 43.7°F |
| Ketchikan | 43.1°F | 44.6°F | 45.3°F |
| Hampton Bays | 42.9°F | 45.7°F | 46.3°F |
| Siasconset | 42.9°F | 43.7°F | 43.7°F |
| Norwalk | 42.8°F | 43.7°F | 45.7°F |
| Milford | 42.7°F | 43.8°F | 45.5°F |
| Michigan City | 41.9°F | 43.4°F | 44.4°F |
| Oshkosh | 41.8°F | 44.2°F | 45.5°F |
| Chatham | 41.8°F | 42.4°F | 43.4°F |
| Old Saybrook | 41.8°F | 43.2°F | 44.9°F |
| Cleveland | 41.8°F | 42.8°F | 45.5°F |
| Groton | 41.7°F | 44.0°F | 44.7°F |
| New London | 41.7°F | 44.0°F | 44.7°F |
| Salem | 41.7°F | 42.0°F | 42.7°F |
| Montauk | 41.6°F | 43.8°F | 44.6°F |
| Westbrook | 41.6°F | 43.2°F | 44.8°F |
| Stonington | 41.4°F | 43.6°F | 44.2°F |
| Mystic | 41.4°F | 43.6°F | 44.2°F |
| Charlestown | 41.2°F | 43.5°F | 44.3°F |
| Sitka | 41.2°F | 43.4°F | 43.6°F |
| South Haven | 41.1°F | 40.5°F | 43.0°F |
| Hampton | 41.1°F | 40.7°F | 42.4°F |
| Hampton Beach | 41.1°F | 40.7°F | 42.4°F |
| Appleton | 41.0°F | 43.0°F | 44.3°F |
| Evanston | 41.0°F | 43.8°F | 44.3°F |
| Westerly | 41.0°F | 43.4°F | 44.1°F |
| Freeport | 41.0°F | 40.7°F | 42.9°F |
| Chicago | 40.9°F | 43.2°F | 44.0°F |
| Portsmouth | 40.8°F | 40.4°F | 41.9°F |
| Oak Park | 40.8°F | 43.3°F | 44.0°F |
| Block Island | 40.8°F | 43.3°F | 43.8°F |
| New Shoreham | 40.8°F | 43.3°F | 43.8°F |
| Brunswick | 40.7°F | 40.2°F | 42.6°F |
| York Beach | 40.7°F | 40.2°F | 42.0°F |
| Ogunquit | 40.6°F | 40.1°F | 41.9°F |
| Old Orchard Beach | 40.6°F | 40.0°F | 42.0°F |
| Provincetown | 40.5°F | 41.4°F | 42.9°F |
| Wells | 40.4°F | 40.0°F | 41.8°F |
| Kennebunkport | 40.2°F | 40.0°F | 41.9°F |
| Saugatuck | 39.5°F | 38.8°F | 42.8°F |
| Holland | 39.1°F | 37.7°F | 42.4°F |
| Erie | 39.0°F | 39.3°F | 42.8°F |
| Rockland | 38.6°F | 38.8°F | 41.0°F |
| Camden | 38.6°F | 38.7°F | 41.5°F |
| Valdez | 38.2°F | 40.6°F | 40.2°F |
| Mount Desert Island | 38.1°F | 37.6°F | 40.4°F |
| Bar Harbor | 38.1°F | 37.6°F | 40.3°F |
| Milwaukee | 38.0°F | 40.2°F | 40.8°F |
| Niagara Falls | 37.8°F | 36.4°F | 38.7°F |
| Green Bay | 37.5°F | 42.0°F | 42.6°F |
| Juneau | 37.3°F | 39.7°F | 41.2°F |
| Seward | 37.0°F | 40.0°F | 39.0°F |
| Haines | 36.2°F | 39.1°F | 40.8°F |
| Rochester | 36.0°F | 37.6°F | 40.9°F |
| Homer | 35.6°F | 40.4°F | 38.6°F |
| Buffalo | 35.2°F | 36.3°F | 40.7°F |
| Sturgeon Bay | 34.8°F | 37.4°F | 38.4°F |
| Traverse City | 34.2°F | 34.4°F | 37.3°F |
| Girdwood | 33.9°F | 36.8°F | 35.5°F |
| Wasilla | 32.7°F | 34.1°F | 33.3°F |
| Duluth | 32.5°F | 33.9°F | 39.9°F |
| Bayfield | 32.5°F | 33.8°F | 35.3°F |
| Anchorage | 32.3°F | 34.9°F | 32.7°F |
| Kenai | 32.3°F | 35.4°F | 33.1°F |
| Charlevoix | 32.0°F | 32.6°F | 35.8°F |
| Mackinac Island | 31.9°F | 33.4°F | 35.9°F |
| Marquette | 31.9°F | 33.3°F | 35.0°F |
| Petoskey | 31.8°F | 32.2°F | 34.8°F |
| Harbor Springs | 31.8°F | 32.2°F | 34.8°F |
| Grand Marais | 30.9°F | 32.4°F | 33.8°F |
| Kissimmee | 30.0°F | 30.0°F | 30.0°F |
| Lake Geneva | 30.0°F | 30.0°F | 30.0°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.
Sea Water
Temperature
Temperature
| Everglades |
Sea Water
Temperature
Temperature
| West Palm Beach |
Sea Water
Temperature
Temperature
| Islamorada |
USA Resorts:
NAME
F°
| Chicago |  |
+58 |
| Hawaii |  |
+76 |
| Honolulu | |
+76 |
| Houston |  |
+76 |
| Las Vegas | |
+68 |
| Los Angeles |  |
+64 |
| Maui | |
+68 |
| Miami |  |
+82 |
| Miami Beach | |
+80 |
| New York | |
+76 |
| San Diego | |
+66 |
| San Francisco | |
+58 |
| Sarasota | |
+88 |
| Tampa | |
+88 |
| Washington | |
+82 |
