The USA resorts with the warmest sea water temperature in March are Everglades, Kailua Kona and West Palm Beach.
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 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Everglades | 80.5°F | 77.2°F | 80.3°F |
| Kailua Kona | 80.2°F | 80.8°F | 79.5°F |
| West Palm Beach | 80.1°F | 78.7°F | 79.6°F |
| Islamorada | 80.0°F | 78.0°F | 80.3°F |
| Key Largo | 79.8°F | 77.9°F | 79.9°F |
| Miami Beach | 79.7°F | 78.1°F | 78.8°F |
| Honolulu | 79.7°F | 79.8°F | 78.6°F |
| Lanai | 79.6°F | 80.4°F | 78.7°F |
| Fort Lauderdale | 79.6°F | 78.7°F | 78.6°F |
| Hawaii | 79.5°F | 79.7°F | 78.5°F |
| Kauai | 79.4°F | 77.7°F | 77.3°F |
| Key West | 79.4°F | 77.2°F | 79.4°F |
| Princeville | 79.3°F | 77.9°F | 77.2°F |
| Hilo | 79.2°F | 79.3°F | 78.1°F |
| Kihei | 79.1°F | 80.0°F | 78.8°F |
| Molokai | 79.1°F | 79.6°F | 78.2°F |
| Hialeah | 79.0°F | 77.4°F | 78.3°F |
| Miami | 78.9°F | 77.1°F | 78.3°F |
| Kahului | 78.5°F | 79.2°F | 78.1°F |
| Maui | 78.3°F | 78.9°F | 77.9°F |
| Oahu | 77.7°F | 78.6°F | 77.2°F |
| Cape Coral | 76.5°F | 74.1°F | 76.9°F |
| Port St. Lucie | 76.4°F | 73.9°F | 76.3°F |
| Marco Island | 76.1°F | 74.3°F | 77.2°F |
| South Padre Island | 75.3°F | 68.7°F | 71.2°F |
| Sanibel Island | 75.1°F | 73.2°F | 75.6°F |
| Naples | 75.1°F | 73.8°F | 76.5°F |
| Corpus Christi | 74.3°F | 68.9°F | 71.3°F |
| Tampa | 74.1°F | 71.4°F | 74.1°F |
| Cocoa Beach | 74.1°F | 72.2°F | 73.9°F |
| St. Petersburg | 73.6°F | 70.9°F | 74.3°F |
| Avery Island | 73.1°F | 65.9°F | 68.2°F |
| Grand Isle | 73.0°F | 69.2°F | 69.8°F |
| Port Aransas | 72.9°F | 66.8°F | 68.5°F |
| Mustang Island | 72.9°F | 66.6°F | 68.8°F |
| Sarasota | 72.8°F | 70.7°F | 73.7°F |
| Clearwater Beach | 72.5°F | 69.6°F | 72.7°F |
| Siesta Key | 72.4°F | 70.5°F | 73.6°F |
| Galveston Island | 71.6°F | 66.7°F | 68.0°F |
| Houston | 71.6°F | 66.2°F | 67.9°F |
| Gulfport | 71.3°F | 65.9°F | 66.7°F |
| Galveston | 70.9°F | 65.7°F | 67.9°F |
| Long Beach | 70.8°F | 65.9°F | 66.9°F |
| Bay Saint Louis | 70.8°F | 65.8°F | 67.1°F |
| Pass Christian | 70.7°F | 65.7°F | 66.9°F |
| Biloxi | 69.9°F | 66.1°F | 66.7°F |
| Pensacola | 69.8°F | 66.8°F | 66.3°F |
| Dauphin Island | 69.7°F | 65.8°F | 65.1°F |
| Ocean Springs | 69.7°F | 66.3°F | 66.6°F |
| Gulf Shores | 69.3°F | 67.0°F | 66.0°F |
| New Orleans | 69.3°F | 65.0°F | 66.9°F |
| Orange Beach | 69.1°F | 67.0°F | 65.9°F |
| Mobile | 68.7°F | 63.2°F | 64.5°F |
| Pensacola Beach | 68.6°F | 66.8°F | 66.1°F |
| Orlando | 68.4°F | 68.1°F | 68.2°F |
| Destin | 68.3°F | 66.9°F | 66.1°F |
| Fort Walton Beach | 68.2°F | 67.0°F | 66.0°F |
| Miramar Beach | 68.1°F | 66.9°F | 66.2°F |
| Santa Rosa Beach | 68.0°F | 66.8°F | 66.1°F |
| Panama City Beach | 67.8°F | 66.5°F | 67.3°F |
| St. George Island | 67.8°F | 66.6°F | 67.1°F |
| Daytona Beach | 67.0°F | 67.2°F | 66.8°F |
| San Diego | 66.0°F | 59.8°F | 64.2°F |
| Chula Vista | 65.3°F | 59.1°F | 62.8°F |
| Santa Catalina Island | 64.5°F | 58.3°F | 60.9°F |
| Laguna Beach | 64.4°F | 58.2°F | 60.7°F |
| St. Augustine | 64.3°F | 64.4°F | 65.1°F |
| Irvine | 64.1°F | 58.1°F | 60.5°F |
| Newport Beach | 64.0°F | 58.0°F | 60.4°F |
| Santa Monica | 63.9°F | 57.0°F | 59.9°F |
| Beverly Hills | 63.9°F | 57.1°F | 60.0°F |
| Hollywood | 63.9°F | 57.1°F | 60.0°F |
| Jekyll Island | 63.9°F | 62.2°F | 64.2°F |
| Santa Ana | 63.8°F | 57.9°F | 60.3°F |
| Anaheim | 63.7°F | 57.6°F | 60.3°F |
| Los Angeles | 63.7°F | 57.2°F | 60.0°F |
| St. Simons Island | 63.5°F | 61.8°F | 63.7°F |
| Malibu | 63.1°F | 56.2°F | 59.1°F |
| Long Beach | 63.0°F | 57.0°F | 59.9°F |
| Amelia Island | 63.0°F | 62.4°F | 63.8°F |
| Jacksonville | 62.9°F | 62.7°F | 63.9°F |
| Wilmington Island | 62.7°F | 59.8°F | 62.6°F |
| Santa Barbara | 62.5°F | 55.5°F | 57.9°F |
| Oxnard | 62.1°F | 55.4°F | 58.4°F |
| Hilton Head Island | 62.1°F | 60.0°F | 62.7°F |
| Fremont | 62.0°F | 56.8°F | 57.9°F |
| San Jose | 61.9°F | 56.8°F | 57.9°F |
| Tybee Island | 61.7°F | 59.7°F | 62.3°F |
| Edisto Beach | 61.7°F | 59.6°F | 62.2°F |
| Charleston | 61.5°F | 59.3°F | 61.9°F |
| Mount Pleasant | 61.1°F | 59.3°F | 61.8°F |
| Oakland | 60.7°F | 56.0°F | 57.1°F |
| Kiawah Island | 60.7°F | 59.2°F | 61.7°F |
| Isle of Palms | 60.5°F | 59.3°F | 61.6°F |
| Folly Beach | 60.5°F | 59.2°F | 61.5°F |
| Sausalito | 59.2°F | 54.8°F | 56.6°F |
| Pawleys Island | 58.7°F | 57.6°F | 60.9°F |
| San Francisco | 58.5°F | 54.9°F | 56.6°F |
| Santa Cruz | 58.1°F | 53.9°F | 57.0°F |
| Murrells Inlet | 57.8°F | 58.0°F | 60.5°F |
| Carolina Beach | 57.6°F | 56.1°F | 59.1°F |
| Monterey | 57.5°F | 54.5°F | 58.0°F |
| Bald Head Island | 57.4°F | 57.8°F | 59.9°F |
| Oak Island | 57.2°F | 57.6°F | 59.9°F |
| Wilmington | 57.0°F | 55.2°F | 58.7°F |
| Arcadian Shores | 56.6°F | 57.2°F | 59.9°F |
| Wrightsville Beach | 56.6°F | 54.9°F | 58.3°F |
| Hatteras Island | 56.6°F | 59.8°F | 55.8°F |
| North Myrtle Beach | 56.5°F | 57.1°F | 59.8°F |
| Myrtle Beach | 56.3°F | 57.1°F | 59.9°F |
| North Topsail Beach | 54.5°F | 54.4°F | 58.0°F |
| Florence | 51.4°F | 50.0°F | 52.1°F |
| Newport | 51.1°F | 50.3°F | 51.5°F |
| Depoe Bay | 50.7°F | 49.7°F | 51.5°F |
| Rockaway Beach | 50.7°F | 49.9°F | 51.2°F |
| Lincoln City | 50.6°F | 49.5°F | 51.3°F |
| Pacific City | 50.5°F | 49.6°F | 51.3°F |
| Cannon Beach | 50.0°F | 49.3°F | 50.9°F |
| Seaside | 49.9°F | 49.3°F | 50.6°F |
| Outer Banks | 49.6°F | 52.9°F | 53.5°F |
| Chesapeake | 49.3°F | 49.4°F | 52.9°F |
| Ocean Shores | 49.3°F | 48.4°F | 49.6°F |
| Norfolk | 48.7°F | 49.3°F | 52.3°F |
| Washington | 47.9°F | 48.1°F | 49.7°F |
| Bellevue | 47.7°F | 47.5°F | 47.4°F |
| Tacoma | 47.7°F | 46.2°F | 47.2°F |
| Whidbey Island | 47.6°F | 46.6°F | 47.5°F |
| Port Angeles | 47.1°F | 46.0°F | 47.0°F |
| Astoria | 46.6°F | 47.1°F | 47.2°F |
| Kill Devil Hills | 46.5°F | 50.6°F | 51.8°F |
| Bellingham | 46.4°F | 45.6°F | 46.1°F |
| Nags Head | 46.2°F | 50.8°F | 51.8°F |
| South Lake Tahoe | 45.7°F | 42.3°F | 42.1°F |
| Stateline | 45.6°F | 42.4°F | 42.1°F |
| Corolla | 45.6°F | 49.2°F | 50.6°F |
| Incline Village | 45.4°F | 42.2°F | 42.3°F |
| Lake Tahoe | 45.3°F | 42.5°F | 42.1°F |
| Virginia Beach | 45.2°F | 47.3°F | 49.7°F |
| Saint Michaels | 44.6°F | 46.2°F | 48.4°F |
| Tangier Island | 43.7°F | 45.2°F | 49.1°F |
| Baltimore | 43.4°F | 43.1°F | 46.7°F |
| Annapolis | 42.9°F | 44.3°F | 47.5°F |
| Chincoteague | 41.6°F | 45.9°F | 48.0°F |
| Wilmington | 41.5°F | 42.6°F | 45.8°F |
| New Castle | 41.5°F | 42.6°F | 45.9°F |
| Brigantine | 41.1°F | 43.3°F | 45.7°F |
| Atlantic City | 40.7°F | 42.8°F | 45.5°F |
| Ocean City | 40.7°F | 43.0°F | 45.3°F |
| Ketchikan | 40.7°F | 41.9°F | 42.5°F |
| Beach Haven | 40.4°F | 42.2°F | 45.1°F |
| Sea Isle City | 40.1°F | 42.4°F | 44.9°F |
| Wildwood Crest | 40.1°F | 42.7°F | 45.3°F |
| Wildwood | 40.1°F | 42.7°F | 45.3°F |
| Sitka | 40.1°F | 41.5°F | 41.1°F |
| Cape May | 40.1°F | 42.9°F | 45.2°F |
| Bethany Beach | 40.0°F | 44.2°F | 46.2°F |
| South Bethany | 40.0°F | 44.2°F | 46.2°F |
| Dewey Beach | 39.9°F | 43.9°F | 46.0°F |
| Lewes | 39.8°F | 43.7°F | 45.7°F |
| Long Beach Island | 39.8°F | 41.9°F | 44.9°F |
| Fenwick Island | 39.6°F | 44.5°F | 46.5°F |
| Rehoboth Beach | 39.6°F | 43.4°F | 45.6°F |
| Ocean City | 39.4°F | 44.1°F | 46.2°F |
| Siasconset | 38.9°F | 38.5°F | 40.1°F |
| Nantucket | 38.9°F | 38.5°F | 40.3°F |
| Seaside Heights | 38.8°F | 41.8°F | 44.5°F |
| Valdez | 38.1°F | 38.3°F | 38.7°F |
| Chatham | 37.7°F | 38.2°F | 39.8°F |
| Dennis Port | 37.7°F | 38.1°F | 40.1°F |
| Warwick | 37.7°F | 40.7°F | 42.1°F |
| Seward | 37.6°F | 37.7°F | 38.0°F |
| Bristol | 37.6°F | 40.8°F | 42.3°F |
| Providence | 37.5°F | 40.4°F | 41.8°F |
| New York | 37.4°F | 40.8°F | 43.1°F |
| Newark | 37.4°F | 40.8°F | 43.3°F |
| Yosemite | 37.3°F | 37.2°F | 38.0°F |
| Jersey City | 37.3°F | 40.8°F | 43.2°F |
| Fire Island | 37.1°F | 40.0°F | 42.7°F |
| Plymouth | 37.0°F | 38.7°F | 39.5°F |
| Edgartown | 37.0°F | 38.6°F | 39.8°F |
| Hampton Bays | 36.9°F | 39.7°F | 42.2°F |
| Cambridge | 36.8°F | 37.9°F | 39.8°F |
| Boston | 36.7°F | 37.9°F | 39.8°F |
| Newport | 36.7°F | 41.0°F | 41.3°F |
| Jamestown | 36.6°F | 41.4°F | 41.4°F |
| Salem | 36.5°F | 37.4°F | 39.6°F |
| Montauk | 36.4°F | 38.9°F | 41.6°F |
| Martha's Vineyard | 36.3°F | 38.4°F | 39.6°F |
| Charlestown | 36.2°F | 39.7°F | 41.0°F |
| Groton | 36.2°F | 39.1°F | 41.5°F |
| Block Island | 36.2°F | 39.9°F | 41.0°F |
| New Shoreham | 36.2°F | 39.9°F | 41.0°F |
| New London | 36.2°F | 39.0°F | 41.5°F |
| Hampton | 36.2°F | 37.1°F | 39.4°F |
| Hampton Beach | 36.2°F | 37.1°F | 39.4°F |
| Portsmouth | 36.2°F | 37.0°F | 39.3°F |
| York Beach | 36.1°F | 37.4°F | 39.3°F |
| Yonkers | 36.1°F | 39.2°F | 42.0°F |
| Stonington | 36.1°F | 39.0°F | 41.1°F |
| Mystic | 36.1°F | 39.0°F | 41.1°F |
| Westerly | 35.9°F | 39.2°F | 41.1°F |
| Ogunquit | 35.9°F | 37.1°F | 39.2°F |
| Falmouth | 35.9°F | 38.4°F | 39.9°F |
| New Bedford | 35.8°F | 38.6°F | 40.1°F |
| Wells | 35.7°F | 36.9°F | 39.0°F |
| Provincetown | 35.7°F | 37.0°F | 39.2°F |
| Kennebunkport | 35.6°F | 37.1°F | 38.9°F |
| Juneau | 35.6°F | 37.6°F | 37.9°F |
| Port Clinton | 35.5°F | 37.1°F | 41.0°F |
| Old Orchard Beach | 35.5°F | 37.4°F | 39.0°F |
| Old Saybrook | 35.3°F | 38.2°F | 40.9°F |
| Evanston | 35.3°F | 36.3°F | 38.3°F |
| Toledo | 35.2°F | 37.9°F | 41.1°F |
| Sandusky | 35.2°F | 36.5°F | 40.1°F |
| Chicago | 35.1°F | 36.0°F | 38.6°F |
| Haines | 35.1°F | 36.9°F | 37.8°F |
| Oak Park | 35.1°F | 36.0°F | 38.4°F |
| Stamford | 34.9°F | 37.2°F | 40.6°F |
| Michigan City | 34.9°F | 35.4°F | 38.6°F |
| Westbrook | 34.9°F | 37.8°F | 40.7°F |
| Brunswick | 34.9°F | 36.3°F | 38.2°F |
| Homer | 34.8°F | 38.9°F | 36.1°F |
| Freeport | 34.7°F | 36.0°F | 38.0°F |
| New Haven | 34.7°F | 37.7°F | 41.2°F |
| Norwalk | 34.5°F | 37.1°F | 40.6°F |
| Cleveland | 34.4°F | 35.3°F | 37.8°F |
| Girdwood | 34.2°F | 34.3°F | 33.7°F |
| Put in Bay | 34.0°F | 35.0°F | 38.7°F |
| Rockland | 33.9°F | 34.0°F | 36.7°F |
| Rochester | 33.9°F | 34.6°F | 37.2°F |
| Bar Harbor | 33.8°F | 33.2°F | 36.0°F |
| Camden | 33.6°F | 33.8°F | 36.2°F |
| Milford | 33.6°F | 37.1°F | 40.7°F |
| Mount Desert Island | 33.4°F | 32.9°F | 35.9°F |
| Appleton | 33.3°F | 32.0°F | 35.3°F |
| Milwaukee | 33.2°F | 35.0°F | 36.3°F |
| Traverse City | 33.0°F | 32.8°F | 35.3°F |
| Wasilla | 33.0°F | 33.3°F | 33.5°F |
| South Haven | 32.9°F | 33.2°F | 37.1°F |
| Erie | 32.9°F | 32.6°F | 36.4°F |
| Holland | 32.7°F | 32.1°F | 36.0°F |
| Anchorage | 32.7°F | 32.7°F | 33.0°F |
| Saugatuck | 32.6°F | 32.5°F | 36.4°F |
| Oshkosh | 32.4°F | 32.4°F | 35.8°F |
| Kenai | 32.4°F | 31.9°F | 32.9°F |
| Niagara Falls | 32.4°F | 32.5°F | 32.4°F |
| Green Bay | 32.1°F | 33.0°F | 36.4°F |
| Petoskey | 31.9°F | 30.6°F | 31.7°F |
| Harbor Springs | 31.9°F | 30.6°F | 31.7°F |
| Buffalo | 31.9°F | 32.3°F | 35.8°F |
| Charlevoix | 31.5°F | 30.6°F | 33.5°F |
| Sturgeon Bay | 31.2°F | 33.1°F | 33.1°F |
| Bayfield | 31.1°F | 31.7°F | 32.0°F |
| Mackinac Island | 31.0°F | 31.1°F | 32.1°F |
| Marquette | 30.8°F | 31.1°F | 32.8°F |
| Duluth | 30.6°F | 31.5°F | 33.6°F |
| Grand Marais | 30.6°F | 31.6°F | 33.2°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 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.
Sea Water
Temperature
Temperature
| Everglades |
Sea Water
Temperature
Temperature
| Kailua Kona |
Sea Water
Temperature
Temperature
| West Palm Beach |
USA Resorts:
NAME
F°
| Chicago |  |
+48 |
| Hawaii | |
+72 |
| Honolulu | |
+72 |
| Houston |  |
+74 |
| Las Vegas |  |
+54 |
| Los Angeles | |
+56 |
| Maui | |
+66 |
| Miami | |
+74 |
| Miami Beach | |
+78 |
| New York | |
+40 |
| San Diego | |
+58 |
| San Francisco | |
+50 |
| Sarasota | |
+72 |
| Tampa | |
+72 |
| Washington | |
+48 |
