The USA resorts with the warmest sea water temperature in March are Everglades, Islamorada and Key Largo.
Below you can see a list of all popular USA resorts and information about sea water temperature in March for the last two years.
| Resort Name | March 2024 | March 2023 | March 2022 |
|---|---|---|---|
| Everglades | 80.3°F | 81.2°F | 81.1°F |
| Islamorada | 80.3°F | 81.3°F | 80.8°F |
| Key Largo | 79.9°F | 81.0°F | 80.5°F |
| West Palm Beach | 79.6°F | 80.4°F | 80.9°F |
| Kailua Kona | 79.5°F | 79.4°F | 80.7°F |
| Key West | 79.4°F | 81.4°F | 80.5°F |
| Miami Beach | 78.8°F | 80.2°F | 80.6°F |
| Kihei | 78.8°F | 79.3°F | 79.8°F |
| Lanai | 78.7°F | 79.4°F | 79.9°F |
| Honolulu | 78.6°F | 79.4°F | 79.9°F |
| Fort Lauderdale | 78.6°F | 80.1°F | 80.6°F |
| Hawaii | 78.5°F | 79.2°F | 79.9°F |
| Miami | 78.3°F | 79.8°F | 80.0°F |
| Hialeah | 78.3°F | 79.9°F | 80.2°F |
| Molokai | 78.2°F | 79.6°F | 80.3°F |
| Kahului | 78.1°F | 78.7°F | 79.2°F |
| Hilo | 78.1°F | 78.4°F | 79.8°F |
| Maui | 77.9°F | 78.3°F | 78.9°F |
| Kauai | 77.3°F | 78.0°F | 79.4°F |
| Oahu | 77.2°F | 78.1°F | 79.8°F |
| Marco Island | 77.2°F | 79.5°F | 77.9°F |
| Princeville | 77.2°F | 78.1°F | 79.4°F |
| Cape Coral | 76.9°F | 79.3°F | 78.6°F |
| Naples | 76.5°F | 79.4°F | 76.7°F |
| Port St. Lucie | 76.3°F | 77.2°F | 78.2°F |
| Sanibel Island | 75.6°F | 78.8°F | 77.5°F |
| St. Petersburg | 74.3°F | 76.2°F | 74.8°F |
| Tampa | 74.1°F | 76.7°F | 75.6°F |
| Cocoa Beach | 73.9°F | 76.1°F | 75.6°F |
| Sarasota | 73.7°F | 76.9°F | 74.0°F |
| Siesta Key | 73.6°F | 76.8°F | 73.6°F |
| Clearwater Beach | 72.7°F | 75.6°F | 73.0°F |
| Corpus Christi | 71.3°F | 74.3°F | 66.4°F |
| South Padre Island | 71.2°F | 72.1°F | 65.5°F |
| Grand Isle | 69.8°F | 73.5°F | 68.6°F |
| Mustang Island | 68.8°F | 72.3°F | 63.8°F |
| Port Aransas | 68.5°F | 71.9°F | 64.0°F |
| Avery Island | 68.2°F | 72.7°F | 67.1°F |
| Orlando | 68.2°F | 72.7°F | 71.8°F |
| Galveston Island | 68.0°F | 70.5°F | 63.7°F |
| Houston | 67.9°F | 69.9°F | 64.5°F |
| Galveston | 67.9°F | 69.7°F | 63.3°F |
| Panama City Beach | 67.3°F | 72.7°F | 67.5°F |
| Bay Saint Louis | 67.1°F | 71.1°F | 66.0°F |
| St. George Island | 67.1°F | 70.6°F | 68.5°F |
| Pass Christian | 66.9°F | 71.0°F | 66.1°F |
| Long Beach | 66.9°F | 70.8°F | 66.2°F |
| New Orleans | 66.9°F | 70.5°F | 65.4°F |
| Daytona Beach | 66.8°F | 71.9°F | 70.2°F |
| Gulfport | 66.7°F | 70.6°F | 66.3°F |
| Biloxi | 66.7°F | 70.6°F | 66.5°F |
| Ocean Springs | 66.6°F | 70.6°F | 66.7°F |
| Pensacola | 66.3°F | 69.8°F | 67.2°F |
| Miramar Beach | 66.2°F | 71.5°F | 67.1°F |
| Santa Rosa Beach | 66.1°F | 71.4°F | 67.3°F |
| Destin | 66.1°F | 71.1°F | 66.9°F |
| Pensacola Beach | 66.1°F | 70.5°F | 67.1°F |
| Fort Walton Beach | 66.0°F | 70.9°F | 66.8°F |
| Gulf Shores | 66.0°F | 70.8°F | 66.8°F |
| Orange Beach | 65.9°F | 70.8°F | 66.6°F |
| Dauphin Island | 65.1°F | 69.7°F | 65.3°F |
| St. Augustine | 65.1°F | 69.3°F | 66.2°F |
| Mobile | 64.5°F | 68.2°F | 62.5°F |
| Jekyll Island | 64.2°F | 67.2°F | 64.9°F |
| San Diego | 64.2°F | 58.8°F | 60.7°F |
| Jacksonville | 63.9°F | 68.3°F | 65.2°F |
| Amelia Island | 63.8°F | 67.9°F | 65.0°F |
| St. Simons Island | 63.7°F | 67.1°F | 64.7°F |
| Chula Vista | 62.8°F | 58.3°F | 60.5°F |
| Hilton Head Island | 62.7°F | 66.2°F | 64.1°F |
| Wilmington Island | 62.6°F | 66.2°F | 64.1°F |
| Tybee Island | 62.3°F | 65.5°F | 63.3°F |
| Edisto Beach | 62.2°F | 65.5°F | 63.6°F |
| Charleston | 61.9°F | 64.6°F | 63.3°F |
| Mount Pleasant | 61.8°F | 64.8°F | 63.2°F |
| Kiawah Island | 61.7°F | 64.6°F | 63.0°F |
| Isle of Palms | 61.6°F | 64.7°F | 62.7°F |
| Folly Beach | 61.5°F | 64.3°F | 62.9°F |
| Santa Catalina Island | 60.9°F | 57.3°F | 60.6°F |
| Pawleys Island | 60.9°F | 62.1°F | 60.1°F |
| Laguna Beach | 60.7°F | 57.2°F | 60.3°F |
| Murrells Inlet | 60.5°F | 61.7°F | 60.0°F |
| Irvine | 60.5°F | 57.2°F | 60.2°F |
| Newport Beach | 60.4°F | 57.2°F | 60.1°F |
| Santa Ana | 60.3°F | 57.1°F | 59.9°F |
| Anaheim | 60.3°F | 57.0°F | 59.3°F |
| Los Angeles | 60.0°F | 56.8°F | 59.6°F |
| Beverly Hills | 60.0°F | 57.0°F | 59.8°F |
| Hollywood | 60.0°F | 57.0°F | 59.8°F |
| Santa Monica | 59.9°F | 57.0°F | 59.8°F |
| Bald Head Island | 59.9°F | 61.7°F | 59.7°F |
| Myrtle Beach | 59.9°F | 60.6°F | 59.3°F |
| Oak Island | 59.9°F | 61.4°F | 59.5°F |
| Long Beach | 59.9°F | 56.7°F | 58.7°F |
| Arcadian Shores | 59.9°F | 60.4°F | 59.1°F |
| North Myrtle Beach | 59.8°F | 60.3°F | 58.9°F |
| Carolina Beach | 59.1°F | 60.8°F | 59.0°F |
| Malibu | 59.1°F | 56.4°F | 58.4°F |
| Wilmington | 58.7°F | 60.1°F | 58.6°F |
| Oxnard | 58.4°F | 55.4°F | 57.3°F |
| Wrightsville Beach | 58.3°F | 59.7°F | 58.3°F |
| North Topsail Beach | 58.0°F | 59.2°F | 57.7°F |
| Monterey | 58.0°F | 53.3°F | 53.5°F |
| Fremont | 57.9°F | 53.5°F | 56.9°F |
| Santa Barbara | 57.9°F | 55.2°F | 57.2°F |
| San Jose | 57.9°F | 53.5°F | 56.8°F |
| Oakland | 57.1°F | 52.3°F | 56.5°F |
| Santa Cruz | 57.0°F | 53.0°F | 54.1°F |
| San Francisco | 56.6°F | 51.9°F | 55.0°F |
| Sausalito | 56.6°F | 51.8°F | 54.9°F |
| Hatteras Island | 55.8°F | 58.5°F | 62.3°F |
| Outer Banks | 53.5°F | 51.7°F | 53.4°F |
| Chesapeake | 52.9°F | 51.0°F | 51.4°F |
| Norfolk | 52.3°F | 51.4°F | 50.8°F |
| Florence | 52.1°F | 47.5°F | 48.8°F |
| Kill Devil Hills | 51.8°F | 51.3°F | 50.2°F |
| Nags Head | 51.8°F | 50.6°F | 49.9°F |
| Newport | 51.5°F | 47.3°F | 48.7°F |
| Depoe Bay | 51.5°F | 47.3°F | 48.5°F |
| Pacific City | 51.3°F | 47.2°F | 48.2°F |
| Lincoln City | 51.3°F | 47.3°F | 48.4°F |
| Rockaway Beach | 51.2°F | 47.1°F | 48.1°F |
| Cannon Beach | 50.9°F | 46.8°F | 47.7°F |
| Seaside | 50.6°F | 46.7°F | 47.7°F |
| Corolla | 50.6°F | 50.5°F | 49.4°F |
| Washington | 49.7°F | 47.7°F | 49.7°F |
| Virginia Beach | 49.7°F | 49.8°F | 49.1°F |
| Ocean Shores | 49.6°F | 46.4°F | 47.4°F |
| Tangier Island | 49.1°F | 47.5°F | 46.6°F |
| Saint Michaels | 48.4°F | 45.7°F | 47.1°F |
| Chincoteague | 48.0°F | 48.3°F | 46.5°F |
| Whidbey Island | 47.5°F | 45.3°F | 45.9°F |
| Annapolis | 47.5°F | 45.8°F | 44.6°F |
| Bellevue | 47.4°F | 45.6°F | 46.1°F |
| Tacoma | 47.2°F | 45.4°F | 46.3°F |
| Astoria | 47.2°F | 46.5°F | 45.7°F |
| Port Angeles | 47.0°F | 44.7°F | 45.8°F |
| Baltimore | 46.7°F | 45.2°F | 44.9°F |
| Fenwick Island | 46.5°F | 45.6°F | 44.6°F |
| Ocean City | 46.2°F | 46.0°F | 45.3°F |
| South Bethany | 46.2°F | 45.4°F | 44.3°F |
| Bethany Beach | 46.2°F | 45.3°F | 44.5°F |
| Bellingham | 46.1°F | 44.7°F | 45.2°F |
| Dewey Beach | 46.0°F | 44.5°F | 44.2°F |
| New Castle | 45.9°F | 43.9°F | 43.5°F |
| Wilmington | 45.8°F | 43.7°F | 43.2°F |
| Lewes | 45.7°F | 44.8°F | 44.5°F |
| Brigantine | 45.7°F | 43.6°F | 43.2°F |
| Rehoboth Beach | 45.6°F | 44.8°F | 44.5°F |
| Atlantic City | 45.5°F | 43.6°F | 43.5°F |
| Ocean City | 45.3°F | 43.8°F | 43.6°F |
| Wildwood Crest | 45.3°F | 44.1°F | 43.8°F |
| Wildwood | 45.3°F | 44.1°F | 43.8°F |
| Cape May | 45.2°F | 44.3°F | 43.9°F |
| Beach Haven | 45.1°F | 43.5°F | 42.8°F |
| Long Beach Island | 44.9°F | 43.5°F | 42.8°F |
| Sea Isle City | 44.9°F | 43.8°F | 43.2°F |
| Seaside Heights | 44.5°F | 42.9°F | 42.2°F |
| Newark | 43.3°F | 40.9°F | 40.1°F |
| Jersey City | 43.2°F | 40.9°F | 40.1°F |
| New York | 43.1°F | 40.9°F | 40.2°F |
| Fire Island | 42.7°F | 41.9°F | 40.9°F |
| Ketchikan | 42.5°F | 39.6°F | 40.7°F |
| Bristol | 42.3°F | 40.8°F | 40.7°F |
| Incline Village | 42.3°F | 40.6°F | 42.4°F |
| Hampton Bays | 42.2°F | 41.4°F | 40.5°F |
| South Lake Tahoe | 42.1°F | 40.7°F | 42.5°F |
| Stateline | 42.1°F | 40.6°F | 42.4°F |
| Warwick | 42.1°F | 41.1°F | 41.0°F |
| Lake Tahoe | 42.1°F | 40.6°F | 42.2°F |
| Yonkers | 42.0°F | 40.7°F | 39.0°F |
| Providence | 41.8°F | 40.9°F | 40.6°F |
| Montauk | 41.6°F | 41.1°F | 40.1°F |
| New London | 41.5°F | 41.2°F | 40.1°F |
| Groton | 41.5°F | 41.2°F | 40.1°F |
| Jamestown | 41.4°F | 40.6°F | 41.4°F |
| Newport | 41.3°F | 40.5°F | 40.9°F |
| New Haven | 41.2°F | 39.6°F | 38.0°F |
| Stonington | 41.1°F | 41.0°F | 40.4°F |
| Mystic | 41.1°F | 41.0°F | 40.4°F |
| Westerly | 41.1°F | 41.1°F | 40.6°F |
| Sitka | 41.1°F | 39.3°F | 40.0°F |
| Toledo | 41.1°F | 38.3°F | 35.6°F |
| Charlestown | 41.0°F | 40.8°F | 40.7°F |
| Block Island | 41.0°F | 41.1°F | 41.1°F |
| Port Clinton | 41.0°F | 36.6°F | 36.1°F |
| New Shoreham | 41.0°F | 41.1°F | 41.2°F |
| Old Saybrook | 40.9°F | 40.7°F | 39.0°F |
| Milford | 40.7°F | 39.4°F | 37.8°F |
| Westbrook | 40.7°F | 40.6°F | 38.9°F |
| Stamford | 40.6°F | 39.5°F | 38.0°F |
| Norwalk | 40.6°F | 39.6°F | 37.9°F |
| Nantucket | 40.3°F | 40.1°F | 39.8°F |
| Siasconset | 40.1°F | 40.3°F | 40.2°F |
| Dennis Port | 40.1°F | 39.5°F | 39.2°F |
| New Bedford | 40.1°F | 39.5°F | 38.5°F |
| Sandusky | 40.1°F | 35.6°F | 36.0°F |
| Falmouth | 39.9°F | 39.2°F | 38.6°F |
| Boston | 39.8°F | 38.7°F | 39.0°F |
| Edgartown | 39.8°F | 39.5°F | 38.8°F |
| Chatham | 39.8°F | 39.8°F | 39.7°F |
| Cambridge | 39.8°F | 38.7°F | 39.0°F |
| Martha's Vineyard | 39.6°F | 39.2°F | 38.7°F |
| Salem | 39.6°F | 39.0°F | 39.4°F |
| Plymouth | 39.5°F | 39.1°F | 39.2°F |
| Hampton Beach | 39.4°F | 38.6°F | 39.7°F |
| Hampton | 39.4°F | 38.5°F | 39.7°F |
| York Beach | 39.3°F | 38.3°F | 39.1°F |
| Portsmouth | 39.3°F | 38.2°F | 39.2°F |
| Ogunquit | 39.2°F | 38.2°F | 38.9°F |
| Provincetown | 39.2°F | 39.8°F | 39.1°F |
| Old Orchard Beach | 39.0°F | 38.1°F | 38.7°F |
| Wells | 39.0°F | 38.2°F | 38.9°F |
| Kennebunkport | 38.9°F | 38.3°F | 39.0°F |
| Put in Bay | 38.7°F | 35.2°F | 33.9°F |
| Valdez | 38.7°F | 39.0°F | 37.6°F |
| Chicago | 38.6°F | 35.0°F | 33.6°F |
| Michigan City | 38.6°F | 35.4°F | 32.9°F |
| Oak Park | 38.4°F | 35.0°F | 33.6°F |
| Evanston | 38.3°F | 35.0°F | 33.5°F |
| Brunswick | 38.2°F | 37.3°F | 37.7°F |
| Yosemite | 38.0°F | 37.2°F | 37.2°F |
| Seward | 38.0°F | 37.5°F | 37.1°F |
| Freeport | 38.0°F | 36.9°F | 37.1°F |
| Juneau | 37.9°F | 36.3°F | 36.7°F |
| Haines | 37.8°F | 37.0°F | 37.0°F |
| Cleveland | 37.8°F | 35.0°F | 35.7°F |
| Rochester | 37.2°F | 35.3°F | 35.9°F |
| South Haven | 37.1°F | 35.3°F | 33.0°F |
| Rockland | 36.7°F | 36.9°F | 35.6°F |
| Erie | 36.4°F | 34.1°F | 33.2°F |
| Saugatuck | 36.4°F | 35.3°F | 32.7°F |
| Green Bay | 36.4°F | 30.7°F | 31.4°F |
| Milwaukee | 36.3°F | 33.7°F | 33.4°F |
| Camden | 36.2°F | 36.8°F | 35.3°F |
| Homer | 36.1°F | 35.7°F | 37.0°F |
| Bar Harbor | 36.0°F | 35.7°F | 35.3°F |
| Holland | 36.0°F | 34.9°F | 32.2°F |
| Mount Desert Island | 35.9°F | 35.6°F | 35.1°F |
| Oshkosh | 35.8°F | 31.2°F | 31.0°F |
| Buffalo | 35.8°F | 33.3°F | 31.9°F |
| Appleton | 35.3°F | 31.2°F | 31.1°F |
| Traverse City | 35.3°F | 33.0°F | 32.2°F |
| Girdwood | 33.7°F | 34.2°F | 33.7°F |
| Duluth | 33.6°F | 31.3°F | 30.8°F |
| Wasilla | 33.5°F | 33.4°F | 33.3°F |
| Charlevoix | 33.5°F | 31.9°F | 30.6°F |
| Grand Marais | 33.2°F | 31.5°F | 30.8°F |
| Sturgeon Bay | 33.1°F | 31.5°F | 31.4°F |
| Anchorage | 33.0°F | 33.2°F | 33.5°F |
| Kenai | 32.9°F | 32.4°F | 32.1°F |
| Marquette | 32.8°F | 31.1°F | 30.9°F |
| Niagara Falls | 32.4°F | 32.1°F | 31.9°F |
| Mackinac Island | 32.1°F | 31.1°F | 31.0°F |
| Bayfield | 32.0°F | 31.5°F | 31.2°F |
| Petoskey | 31.7°F | 30.8°F | 30.4°F |
| Harbor Springs | 31.7°F | 30.8°F | 30.4°F |
| Kissimmee | 30.0°F | 69.5°F | 74.0°F |
| Lake Geneva | 30.0°F | 33.7°F | 32.6°F |
Please see following sea water temperature averages charts for the warmest USA resorts in March.
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 | |
+74 |
| Miami | |
+76 |
| New York | |
+46 |
| San Diego |  |
+64 |
| San Francisco |  |
+54 |
| Sarasota | |
+70 |
| Tampa | |
+72 |
| Washington |  |
+52 |
