The USA resorts with the warmest sea water temperature in March are Kailua Kona, Lanai and Kihei.
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 2025 | March 2024 | March 2023 |
|---|---|---|---|
| Kailua Kona | 80.8°F | 79.5°F | 79.4°F |
| Lanai | 80.4°F | 78.7°F | 79.4°F |
| Kihei | 80.0°F | 78.8°F | 79.3°F |
| Honolulu | 79.8°F | 78.6°F | 79.4°F |
| Hawaii | 79.7°F | 78.5°F | 79.2°F |
| Molokai | 79.6°F | 78.2°F | 79.6°F |
| Hilo | 79.3°F | 78.1°F | 78.4°F |
| Kahului | 79.2°F | 78.1°F | 78.7°F |
| Maui | 78.9°F | 77.9°F | 78.3°F |
| West Palm Beach | 78.7°F | 79.6°F | 80.4°F |
| Fort Lauderdale | 78.7°F | 78.6°F | 80.1°F |
| Oahu | 78.6°F | 77.2°F | 78.1°F |
| Miami Beach | 78.1°F | 78.8°F | 80.2°F |
| Islamorada | 78.0°F | 80.3°F | 81.3°F |
| Key Largo | 77.9°F | 79.9°F | 81.0°F |
| Princeville | 77.9°F | 77.2°F | 78.1°F |
| Kauai | 77.7°F | 77.3°F | 78.0°F |
| Hialeah | 77.4°F | 78.3°F | 79.9°F |
| Key West | 77.2°F | 79.4°F | 81.4°F |
| Everglades | 77.2°F | 80.3°F | 81.2°F |
| Miami | 77.1°F | 78.3°F | 79.8°F |
| Marco Island | 74.3°F | 77.2°F | 79.5°F |
| Cape Coral | 74.1°F | 76.9°F | 79.3°F |
| Port St. Lucie | 73.9°F | 76.3°F | 77.2°F |
| Naples | 73.8°F | 76.5°F | 79.4°F |
| Sanibel Island | 73.2°F | 75.6°F | 78.8°F |
| Cocoa Beach | 72.2°F | 73.9°F | 76.1°F |
| Tampa | 71.4°F | 74.1°F | 76.7°F |
| St. Petersburg | 70.9°F | 74.3°F | 76.2°F |
| Sarasota | 70.7°F | 73.7°F | 76.9°F |
| Siesta Key | 70.5°F | 73.6°F | 76.8°F |
| Clearwater Beach | 69.6°F | 72.7°F | 75.6°F |
| Grand Isle | 69.2°F | 69.8°F | 73.5°F |
| Corpus Christi | 68.9°F | 71.3°F | 74.3°F |
| South Padre Island | 68.7°F | 71.2°F | 72.1°F |
| Orlando | 68.1°F | 68.2°F | 72.7°F |
| Daytona Beach | 67.2°F | 66.8°F | 71.9°F |
| Orange Beach | 67.0°F | 65.9°F | 70.8°F |
| Gulf Shores | 67.0°F | 66.0°F | 70.8°F |
| Fort Walton Beach | 67.0°F | 66.0°F | 70.9°F |
| Destin | 66.9°F | 66.1°F | 71.1°F |
| Miramar Beach | 66.9°F | 66.2°F | 71.5°F |
| Port Aransas | 66.8°F | 68.5°F | 71.9°F |
| Santa Rosa Beach | 66.8°F | 66.1°F | 71.4°F |
| Pensacola Beach | 66.8°F | 66.1°F | 70.5°F |
| Pensacola | 66.8°F | 66.3°F | 69.8°F |
| Galveston Island | 66.7°F | 68.0°F | 70.5°F |
| Mustang Island | 66.6°F | 68.8°F | 72.3°F |
| St. George Island | 66.6°F | 67.1°F | 70.6°F |
| Panama City Beach | 66.5°F | 67.3°F | 72.7°F |
| Ocean Springs | 66.3°F | 66.6°F | 70.6°F |
| Houston | 66.2°F | 67.9°F | 69.9°F |
| Biloxi | 66.1°F | 66.7°F | 70.6°F |
| Gulfport | 65.9°F | 66.7°F | 70.6°F |
| Avery Island | 65.9°F | 68.2°F | 72.7°F |
| Long Beach | 65.9°F | 66.9°F | 70.8°F |
| Bay Saint Louis | 65.8°F | 67.1°F | 71.1°F |
| Dauphin Island | 65.8°F | 65.1°F | 69.7°F |
| Galveston | 65.7°F | 67.9°F | 69.7°F |
| Pass Christian | 65.7°F | 66.9°F | 71.0°F |
| New Orleans | 65.0°F | 66.9°F | 70.5°F |
| St. Augustine | 64.4°F | 65.1°F | 69.3°F |
| Mobile | 63.2°F | 64.5°F | 68.2°F |
| Jacksonville | 62.7°F | 63.9°F | 68.3°F |
| Amelia Island | 62.4°F | 63.8°F | 67.9°F |
| Jekyll Island | 62.2°F | 64.2°F | 67.2°F |
| St. Simons Island | 61.8°F | 63.7°F | 67.1°F |
| Hilton Head Island | 60.0°F | 62.7°F | 66.2°F |
| Hatteras Island | 59.8°F | 55.8°F | 58.5°F |
| San Diego | 59.8°F | 64.2°F | 58.8°F |
| Wilmington Island | 59.8°F | 62.6°F | 66.2°F |
| Tybee Island | 59.7°F | 62.3°F | 65.5°F |
| Edisto Beach | 59.6°F | 62.2°F | 65.5°F |
| Mount Pleasant | 59.3°F | 61.8°F | 64.8°F |
| Isle of Palms | 59.3°F | 61.6°F | 64.7°F |
| Charleston | 59.3°F | 61.9°F | 64.6°F |
| Folly Beach | 59.2°F | 61.5°F | 64.3°F |
| Kiawah Island | 59.2°F | 61.7°F | 64.6°F |
| Chula Vista | 59.1°F | 62.8°F | 58.3°F |
| Santa Catalina Island | 58.3°F | 60.9°F | 57.3°F |
| Laguna Beach | 58.2°F | 60.7°F | 57.2°F |
| Irvine | 58.1°F | 60.5°F | 57.2°F |
| Murrells Inlet | 58.0°F | 60.5°F | 61.7°F |
| Newport Beach | 58.0°F | 60.4°F | 57.2°F |
| Santa Ana | 57.9°F | 60.3°F | 57.1°F |
| Bald Head Island | 57.8°F | 59.9°F | 61.7°F |
| Oak Island | 57.6°F | 59.9°F | 61.4°F |
| Anaheim | 57.6°F | 60.3°F | 57.0°F |
| Pawleys Island | 57.6°F | 60.9°F | 62.1°F |
| Arcadian Shores | 57.2°F | 59.9°F | 60.4°F |
| Los Angeles | 57.2°F | 60.0°F | 56.8°F |
| Myrtle Beach | 57.1°F | 59.9°F | 60.6°F |
| North Myrtle Beach | 57.1°F | 59.8°F | 60.3°F |
| Beverly Hills | 57.1°F | 60.0°F | 57.0°F |
| Hollywood | 57.1°F | 60.0°F | 57.0°F |
| Long Beach | 57.0°F | 59.9°F | 56.7°F |
| Santa Monica | 57.0°F | 59.9°F | 57.0°F |
| Fremont | 56.8°F | 57.9°F | 53.5°F |
| San Jose | 56.8°F | 57.9°F | 53.5°F |
| Malibu | 56.2°F | 59.1°F | 56.4°F |
| Carolina Beach | 56.1°F | 59.1°F | 60.8°F |
| Oakland | 56.0°F | 57.1°F | 52.3°F |
| Santa Barbara | 55.5°F | 57.9°F | 55.2°F |
| Oxnard | 55.4°F | 58.4°F | 55.4°F |
| Wilmington | 55.2°F | 58.7°F | 60.1°F |
| San Francisco | 54.9°F | 56.6°F | 51.9°F |
| Wrightsville Beach | 54.9°F | 58.3°F | 59.7°F |
| Sausalito | 54.8°F | 56.6°F | 51.8°F |
| Monterey | 54.5°F | 58.0°F | 53.3°F |
| North Topsail Beach | 54.4°F | 58.0°F | 59.2°F |
| Santa Cruz | 53.9°F | 57.0°F | 53.0°F |
| Outer Banks | 52.9°F | 53.5°F | 51.7°F |
| Nags Head | 50.8°F | 51.8°F | 50.6°F |
| Kill Devil Hills | 50.6°F | 51.8°F | 51.3°F |
| Newport | 50.3°F | 51.5°F | 47.3°F |
| Florence | 50.0°F | 52.1°F | 47.5°F |
| Rockaway Beach | 49.9°F | 51.2°F | 47.1°F |
| Depoe Bay | 49.7°F | 51.5°F | 47.3°F |
| Pacific City | 49.6°F | 51.3°F | 47.2°F |
| Lincoln City | 49.5°F | 51.3°F | 47.3°F |
| Chesapeake | 49.4°F | 52.9°F | 51.0°F |
| Norfolk | 49.3°F | 52.3°F | 51.4°F |
| Cannon Beach | 49.3°F | 50.9°F | 46.8°F |
| Seaside | 49.3°F | 50.6°F | 46.7°F |
| Corolla | 49.2°F | 50.6°F | 50.5°F |
| Ocean Shores | 48.4°F | 49.6°F | 46.4°F |
| Washington | 48.1°F | 49.7°F | 47.7°F |
| Bellevue | 47.5°F | 47.4°F | 45.6°F |
| Virginia Beach | 47.3°F | 49.7°F | 49.8°F |
| Astoria | 47.1°F | 47.2°F | 46.5°F |
| Whidbey Island | 46.6°F | 47.5°F | 45.3°F |
| Tacoma | 46.2°F | 47.2°F | 45.4°F |
| Saint Michaels | 46.2°F | 48.4°F | 45.7°F |
| Port Angeles | 46.0°F | 47.0°F | 44.7°F |
| Chincoteague | 45.9°F | 48.0°F | 48.3°F |
| Bellingham | 45.6°F | 46.1°F | 44.7°F |
| Tangier Island | 45.2°F | 49.1°F | 47.5°F |
| Fenwick Island | 44.5°F | 46.5°F | 45.6°F |
| Annapolis | 44.3°F | 47.5°F | 45.8°F |
| Bethany Beach | 44.2°F | 46.2°F | 45.3°F |
| South Bethany | 44.2°F | 46.2°F | 45.4°F |
| Ocean City | 44.1°F | 46.2°F | 46.0°F |
| Dewey Beach | 43.9°F | 46.0°F | 44.5°F |
| Lewes | 43.7°F | 45.7°F | 44.8°F |
| Rehoboth Beach | 43.4°F | 45.6°F | 44.8°F |
| Brigantine | 43.3°F | 45.7°F | 43.6°F |
| Baltimore | 43.1°F | 46.7°F | 45.2°F |
| Ocean City | 43.0°F | 45.3°F | 43.8°F |
| Cape May | 42.9°F | 45.2°F | 44.3°F |
| Atlantic City | 42.8°F | 45.5°F | 43.6°F |
| Wildwood Crest | 42.7°F | 45.3°F | 44.1°F |
| Wildwood | 42.7°F | 45.3°F | 44.1°F |
| New Castle | 42.6°F | 45.9°F | 43.9°F |
| Wilmington | 42.6°F | 45.8°F | 43.7°F |
| Lake Tahoe | 42.5°F | 42.1°F | 40.6°F |
| Stateline | 42.4°F | 42.1°F | 40.6°F |
| Sea Isle City | 42.4°F | 44.9°F | 43.8°F |
| South Lake Tahoe | 42.3°F | 42.1°F | 40.7°F |
| Incline Village | 42.2°F | 42.3°F | 40.6°F |
| Beach Haven | 42.2°F | 45.1°F | 43.5°F |
| Ketchikan | 41.9°F | 42.5°F | 39.6°F |
| Long Beach Island | 41.9°F | 44.9°F | 43.5°F |
| Seaside Heights | 41.8°F | 44.5°F | 42.9°F |
| Sitka | 41.5°F | 41.1°F | 39.3°F |
| Jamestown | 41.4°F | 41.4°F | 40.6°F |
| Newport | 41.0°F | 41.3°F | 40.5°F |
| Newark | 40.8°F | 43.3°F | 40.9°F |
| Bristol | 40.8°F | 42.3°F | 40.8°F |
| New York | 40.8°F | 43.1°F | 40.9°F |
| Jersey City | 40.8°F | 43.2°F | 40.9°F |
| Warwick | 40.7°F | 42.1°F | 41.1°F |
| Providence | 40.4°F | 41.8°F | 40.9°F |
| Fire Island | 40.0°F | 42.7°F | 41.9°F |
| Block Island | 39.9°F | 41.0°F | 41.1°F |
| New Shoreham | 39.9°F | 41.0°F | 41.1°F |
| Hampton Bays | 39.7°F | 42.2°F | 41.4°F |
| Charlestown | 39.7°F | 41.0°F | 40.8°F |
| Westerly | 39.2°F | 41.1°F | 41.1°F |
| Yonkers | 39.2°F | 42.0°F | 40.7°F |
| Groton | 39.1°F | 41.5°F | 41.2°F |
| Stonington | 39.0°F | 41.1°F | 41.0°F |
| Mystic | 39.0°F | 41.1°F | 41.0°F |
| New London | 39.0°F | 41.5°F | 41.2°F |
| Homer | 38.9°F | 36.1°F | 35.7°F |
| Montauk | 38.9°F | 41.6°F | 41.1°F |
| Plymouth | 38.7°F | 39.5°F | 39.1°F |
| Edgartown | 38.6°F | 39.8°F | 39.5°F |
| New Bedford | 38.6°F | 40.1°F | 39.5°F |
| Nantucket | 38.5°F | 40.3°F | 40.1°F |
| Siasconset | 38.5°F | 40.1°F | 40.3°F |
| Falmouth | 38.4°F | 39.9°F | 39.2°F |
| Martha's Vineyard | 38.4°F | 39.6°F | 39.2°F |
| Valdez | 38.3°F | 38.7°F | 39.0°F |
| Chatham | 38.2°F | 39.8°F | 39.8°F |
| Old Saybrook | 38.2°F | 40.9°F | 40.7°F |
| Dennis Port | 38.1°F | 40.1°F | 39.5°F |
| Toledo | 37.9°F | 41.1°F | 38.3°F |
| Boston | 37.9°F | 39.8°F | 38.7°F |
| Cambridge | 37.9°F | 39.8°F | 38.7°F |
| Westbrook | 37.8°F | 40.7°F | 40.6°F |
| New Haven | 37.7°F | 41.2°F | 39.6°F |
| Seward | 37.7°F | 38.0°F | 37.5°F |
| Juneau | 37.6°F | 37.9°F | 36.3°F |
| Old Orchard Beach | 37.4°F | 39.0°F | 38.1°F |
| Salem | 37.4°F | 39.6°F | 39.0°F |
| York Beach | 37.4°F | 39.3°F | 38.3°F |
| Stamford | 37.2°F | 40.6°F | 39.5°F |
| Yosemite | 37.2°F | 38.0°F | 37.2°F |
| Kennebunkport | 37.1°F | 38.9°F | 38.3°F |
| Hampton | 37.1°F | 39.4°F | 38.5°F |
| Hampton Beach | 37.1°F | 39.4°F | 38.6°F |
| Norwalk | 37.1°F | 40.6°F | 39.6°F |
| Milford | 37.1°F | 40.7°F | 39.4°F |
| Ogunquit | 37.1°F | 39.2°F | 38.2°F |
| Port Clinton | 37.1°F | 41.0°F | 36.6°F |
| Portsmouth | 37.0°F | 39.3°F | 38.2°F |
| Provincetown | 37.0°F | 39.2°F | 39.8°F |
| Wells | 36.9°F | 39.0°F | 38.2°F |
| Haines | 36.9°F | 37.8°F | 37.0°F |
| Sandusky | 36.5°F | 40.1°F | 35.6°F |
| Brunswick | 36.3°F | 38.2°F | 37.3°F |
| Evanston | 36.3°F | 38.3°F | 35.0°F |
| Oak Park | 36.0°F | 38.4°F | 35.0°F |
| Chicago | 36.0°F | 38.6°F | 35.0°F |
| Freeport | 36.0°F | 38.0°F | 36.9°F |
| Michigan City | 35.4°F | 38.6°F | 35.4°F |
| Cleveland | 35.3°F | 37.8°F | 35.0°F |
| Put in Bay | 35.0°F | 38.7°F | 35.2°F |
| Milwaukee | 35.0°F | 36.3°F | 33.7°F |
| Rochester | 34.6°F | 37.2°F | 35.3°F |
| Girdwood | 34.3°F | 33.7°F | 34.2°F |
| Rockland | 34.0°F | 36.7°F | 36.9°F |
| Camden | 33.8°F | 36.2°F | 36.8°F |
| Wasilla | 33.3°F | 33.5°F | 33.4°F |
| South Haven | 33.2°F | 37.1°F | 35.3°F |
| Bar Harbor | 33.2°F | 36.0°F | 35.7°F |
| Sturgeon Bay | 33.1°F | 33.1°F | 31.5°F |
| Green Bay | 33.0°F | 36.4°F | 30.7°F |
| Mount Desert Island | 32.9°F | 35.9°F | 35.6°F |
| Traverse City | 32.8°F | 35.3°F | 33.0°F |
| Anchorage | 32.7°F | 33.0°F | 33.2°F |
| Erie | 32.6°F | 36.4°F | 34.1°F |
| Saugatuck | 32.5°F | 36.4°F | 35.3°F |
| Niagara Falls | 32.5°F | 32.4°F | 32.1°F |
| Oshkosh | 32.4°F | 35.8°F | 31.2°F |
| Buffalo | 32.3°F | 35.8°F | 33.3°F |
| Holland | 32.1°F | 36.0°F | 34.9°F |
| Appleton | 32.0°F | 35.3°F | 31.2°F |
| Kenai | 31.9°F | 32.9°F | 32.4°F |
| Bayfield | 31.7°F | 32.0°F | 31.5°F |
| Grand Marais | 31.6°F | 33.2°F | 31.5°F |
| Duluth | 31.5°F | 33.6°F | 31.3°F |
| Marquette | 31.1°F | 32.8°F | 31.1°F |
| Mackinac Island | 31.1°F | 32.1°F | 31.1°F |
| Charlevoix | 30.6°F | 33.5°F | 31.9°F |
| Petoskey | 30.6°F | 31.7°F | 30.8°F |
| Harbor Springs | 30.6°F | 31.7°F | 30.8°F |
| Kissimmee | 30.0°F | 30.0°F | 69.5°F |
| Lake Geneva | 30.0°F | 30.0°F | 33.7°F |
Please see following sea water temperature averages charts for the warmest USA resorts in March.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.7
83.5
84.6
84.8
84.4
83.4
82.4
81.5
80.5
79.9
80
80.5
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.6
83
84
83.9
83.4
82.9
81.9
80.6
79.8
79.5
79.8
80.7
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
112
81.5
83
83.9
83.8
83.5
82.8
81.9
80.6
79.6
79.3
79.6
80.5
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 |  |
+36 |
| Chicago |  |
+36 |
| Hawaii | |
+74 |
| Honolulu | |
+74 |
| Houston | |
+74 |
| Las Vegas | |
+64 |
| Los Angeles | |
+56 |
| Miami |  |
+86 |
| New York | |
+40 |
| Orlando | |
+74 |
| San Diego | |
+58 |
| San Francisco |  |
+52 |
| Sarasota | |
+68 |
| Tampa | |
+72 |
| Washington | |
+44 |
