In March warmest sea in USA is usually observed in the following locations: Everglades, Kailua Kona, Key West.
Table below shows the average sea water temperature for marine resorts of USA in March for the last three years.
| Place name | March 2026 | March 2025 | March 2024 |
|---|---|---|---|
| Everglades | 78.1°F | 74.4°F | 77.3°F |
| Kailua Kona | 77.0°F | 77.7°F | 76.5°F |
| Key West | 77.0°F | 74.5°F | 76.5°F |
| West Palm Beach | 76.8°F | 75.8°F | 76.6°F |
| Honolulu | 76.8°F | 76.8°F | 75.8°F |
| Miami Beach | 76.7°F | 75.3°F | 76.0°F |
| Kauai | 76.7°F | 75.0°F | 74.5°F |
| Hawaii | 76.6°F | 76.7°F | 75.7°F |
| Fort Lauderdale | 76.4°F | 75.8°F | 75.7°F |
| Miami | 76.3°F | 74.4°F | 75.5°F |
| Maui | 75.4°F | 76.0°F | 75.1°F |
| Oahu | 74.8°F | 75.7°F | 74.5°F |
| Cape Coral | 74.7°F | 71.7°F | 74.2°F |
| South Padre Island | 72.7°F | 66.8°F | 69.0°F |
| Naples | 72.6°F | 71.4°F | 73.8°F |
| Corpus Christi | 72.4°F | 67.0°F | 69.1°F |
| Tampa | 72.2°F | 69.3°F | 71.7°F |
| Cocoa Beach | 72.1°F | 70.0°F | 71.5°F |
| St. Petersburg | 71.6°F | 68.8°F | 71.8°F |
| Sarasota | 70.8°F | 68.6°F | 71.4°F |
| Clearwater Beach | 70.6°F | 67.6°F | 70.4°F |
| Siesta Key | 70.3°F | 68.5°F | 71.3°F |
| Galveston Island | 69.1°F | 65.1°F | 66.2°F |
| Houston | 69.1°F | 64.6°F | 66.1°F |
| Galveston | 68.6°F | 64.1°F | 66.1°F |
| Pensacola | 67.9°F | 65.1°F | 64.7°F |
| New Orleans | 67.2°F | 63.5°F | 65.2°F |
| Orange Beach | 66.8°F | 65.3°F | 64.3°F |
| Pensacola Beach | 66.5°F | 65.1°F | 64.4°F |
| Destin | 66.4°F | 65.3°F | 64.5°F |
| Orlando | 66.3°F | 66.3°F | 66.3°F |
| Panama City Beach | 65.7°F | 64.9°F | 65.5°F |
| Daytona Beach | 65.0°F | 65.5°F | 65.1°F |
| St. Augustine | 62.7°F | 63.0°F | 63.6°F |
| San Diego | 62.4°F | 58.8°F | 62.8°F |
| Jekyll Island | 62.1°F | 61.0°F | 62.8°F |
| Santa Catalina Island | 62.0°F | 57.5°F | 59.8°F |
| Laguna Beach | 61.3°F | 57.3°F | 59.6°F |
| Jacksonville | 61.2°F | 61.4°F | 62.5°F |
| Beverly Hills | 61.1°F | 56.4°F | 59.0°F |
| Hollywood | 61.1°F | 56.4°F | 59.0°F |
| Santa Monica | 61.1°F | 56.3°F | 58.9°F |
| Newport Beach | 61.0°F | 57.2°F | 59.4°F |
| Anaheim | 60.9°F | 56.9°F | 59.3°F |
| Los Angeles | 60.9°F | 56.5°F | 59.0°F |
| Malibu | 60.4°F | 55.6°F | 58.2°F |
| Long Beach (CA) | 60.4°F | 56.3°F | 58.9°F |
| Santa Barbara | 59.9°F | 54.9°F | 57.1°F |
| Hilton Head Island | 59.8°F | 59.0°F | 61.4°F |
| Charleston (SC) | 59.7°F | 58.3°F | 60.7°F |
| San Jose | 59.6°F | 56.1°F | 57.1°F |
| Oakland | 58.5°F | 55.4°F | 56.4°F |
| San Francisco | 57.4°F | 54.4°F | 56.0°F |
| Santa Cruz | 57.3°F | 53.5°F | 56.3°F |
| Monterey | 57.1°F | 54.1°F | 57.2°F |
| Wilmington (NC) | 54.8°F | 54.7°F | 57.8°F |
| Myrtle Beach | 54.7°F | 56.4°F | 58.9°F |
| Florence | 51.3°F | 50.0°F | 51.9°F |
| Bellevue | 47.9°F | 47.7°F | 47.6°F |
| Tacoma | 47.8°F | 46.6°F | 47.5°F |
| Bellingham | 46.4°F | 46.0°F | 46.5°F |
| Washington | 45.0°F | 48.3°F | 49.8°F |
| Corolla | 44.2°F | 49.3°F | 50.5°F |
| South Lake Tahoe | 43.9°F | 43.1°F | 42.9°F |
| Virginia Beach | 43.9°F | 47.5°F | 49.7°F |
| Lake Tahoe | 43.8°F | 43.2°F | 42.9°F |
| Ketchikan | 41.6°F | 42.7°F | 43.3°F |
| Tangier Island | 41.5°F | 45.7°F | 49.1°F |
| Sitka | 41.3°F | 42.3°F | 42.0°F |
| Baltimore | 41.2°F | 43.8°F | 47.0°F |
| Atlantic City | 40.2°F | 43.5°F | 45.9°F |
| Long Beach Island | 39.8°F | 42.7°F | 45.4°F |
| Nantucket | 38.5°F | 39.7°F | 41.3°F |
| Rehoboth Beach | 38.4°F | 44.1°F | 46.1°F |
| Ocean City (MD) | 38.3°F | 44.7°F | 46.6°F |
| Yosemite | 37.7°F | 38.5°F | 39.2°F |
| Juneau | 37.3°F | 38.9°F | 39.2°F |
| Newark | 37.1°F | 41.7°F | 43.9°F |
| New York | 37.1°F | 41.7°F | 43.8°F |
| Jersey City | 37.1°F | 41.7°F | 43.9°F |
| Hampton | 36.9°F | 38.4°F | 40.4°F |
| Montauk | 36.8°F | 40.0°F | 42.4°F |
| Cambridge | 36.6°F | 39.1°F | 40.8°F |
| Boston | 36.5°F | 39.1°F | 40.8°F |
| Newport (RI) | 36.5°F | 41.9°F | 42.2°F |
| Martha's Vineyard | 36.2°F | 39.6°F | 40.7°F |
| Chicago | 36.1°F | 37.4°F | 39.8°F |
| Cleveland | 35.5°F | 36.8°F | 39.0°F |
| Rochester (NY) | 35.4°F | 36.1°F | 38.5°F |
| Stamford | 35.2°F | 38.5°F | 41.6°F |
| Anchorage | 35.0°F | 34.4°F | 34.7°F |
| Michigan City | 34.9°F | 36.8°F | 39.7°F |
| Bar Harbor | 34.7°F | 34.8°F | 37.4°F |
| New Haven | 34.7°F | 39.0°F | 42.1°F |
| Milwaukee | 34.6°F | 36.5°F | 37.7°F |
| Holland | 34.0°F | 33.9°F | 37.4°F |
| Green Bay | 33.9°F | 34.7°F | 37.8°F |
| Niagara Falls | 33.6°F | 34.2°F | 34.1°F |
| Buffalo (NY) | 33.5°F | 34.0°F | 37.2°F |
| Mackinac Island | 33.4°F | 33.0°F | 33.8°F |
Charts below show average sea water temperature for USA resorts with the warmest sea in March.
You can also check other months of the year to see sea temperature of USA resorts at that time.
Places in USA:
Name
°F
