Measurements:
°C
°F
World Resorts USA

USA Sea Water Temperature

The USA resorts with the warmest sea water temperature at this moment are Everglades, Islamorada and Key West.

Below you can see a list of all popular USA resorts and information about current sea water temperature and averages for current and next months.

Resort Name Current
Sea Water Temperature
March 2025 April 2025
Everglades 82.2°F 77.2°F 82.0°F
Islamorada 82.0°F 78.0°F 81.6°F
Key West 81.8°F 77.2°F 81.1°F
Key Largo 81.6°F 77.9°F 81.6°F
Miami Beach 81.4°F 78.1°F 81.4°F
Miami 81.2°F 77.1°F 81.0°F
Cape Coral 81.0°F 74.1°F 80.2°F
Hialeah 81.0°F 77.4°F 81.0°F
Kailua Kona 80.8°F 80.8°F 81.3°F
Fort Lauderdale 80.8°F 78.7°F 81.1°F
Honolulu 80.6°F 79.8°F 80.4°F
West Palm Beach 80.6°F 78.7°F 81.5°F
Marco Island 80.4°F 74.3°F 80.3°F
Hawaii 80.0°F 79.7°F 80.3°F
Naples 79.6°F 73.8°F 80.0°F
Princeville 79.6°F 77.9°F 77.7°F
Lanai 79.6°F 80.4°F 80.9°F
Port St. Lucie 79.6°F 73.9°F 77.7°F
Kauai 79.4°F 77.7°F 77.6°F
Molokai 79.4°F 79.6°F 80.2°F
Hilo 79.2°F 79.3°F 80.2°F
Tampa 79.2°F 71.4°F 79.6°F
Kihei 79.2°F 80.0°F 80.5°F
Kahului 78.8°F 79.2°F 79.8°F
Maui 78.6°F 78.9°F 79.5°F
Sanibel Island 78.4°F 73.2°F 79.7°F
St. Petersburg 78.4°F 70.9°F 79.2°F
Cocoa Beach 78.2°F 72.2°F 77.8°F
Oahu 77.8°F 78.6°F 79.4°F
Clearwater Beach 77.6°F 69.6°F 78.4°F
Sarasota 77.4°F 70.7°F 78.9°F
Avery Island 77.0°F 65.9°F 76.3°F
Corpus Christi 77.0°F 68.9°F 77.4°F
South Padre Island 76.6°F 68.7°F 77.2°F
Siesta Key 76.4°F 70.5°F 78.6°F
Grand Isle 76.0°F 69.2°F 78.0°F
Gulfport 76.0°F 65.9°F 75.6°F
Bay Saint Louis 75.2°F 65.8°F 75.9°F
Long Beach 75.0°F 65.9°F 75.9°F
Pass Christian 74.8°F 65.7°F 75.9°F
Port Aransas 74.6°F 66.8°F 76.3°F
Mustang Island 74.6°F 66.6°F 76.0°F
Pensacola 73.8°F 66.8°F 75.2°F
Biloxi 73.8°F 66.1°F 75.8°F
Houston 73.4°F 66.2°F 76.4°F
Ocean Springs 73.4°F 66.3°F 75.9°F
Mobile 72.8°F 63.2°F 72.8°F
Galveston Island 72.8°F 66.7°F 77.1°F
Galveston 72.4°F 65.7°F 76.5°F
Dauphin Island 72.2°F 65.8°F 75.5°F
Orlando 72.0°F 68.1°F 75.3°F
St. George Island 72.0°F 66.6°F 75.3°F
New Orleans 71.8°F 65.0°F 74.6°F
Orange Beach 71.8°F 67.0°F 75.3°F
Gulf Shores 71.8°F 67.0°F 75.5°F
Panama City Beach 71.6°F 66.5°F 74.4°F
Santa Rosa Beach 71.6°F 66.8°F 74.2°F
Pensacola Beach 71.6°F 66.8°F 74.9°F
Destin 71.6°F 66.9°F 74.4°F
Miramar Beach 71.2°F 66.9°F 74.3°F
Fort Walton Beach 70.4°F 67.0°F 74.2°F
Jekyll Island 68.6°F 62.2°F 74.4°F
Jacksonville 67.4°F 62.7°F 73.6°F
Daytona Beach 67.4°F 67.2°F 75.2°F
St. Simons Island 67.4°F 61.8°F 73.9°F
Wilmington Island 66.4°F 59.8°F 71.8°F
Amelia Island 66.2°F 62.4°F 73.5°F
Edisto Beach 65.8°F 59.6°F 71.8°F
Charleston 65.6°F 59.3°F 71.0°F
St. Augustine 65.6°F 64.4°F 74.8°F
Hilton Head Island 64.4°F 60.0°F 71.6°F
San Diego 64.0°F 59.8°F 59.8°F
Mount Pleasant 64.0°F 59.3°F 70.8°F
Tybee Island 63.6°F 59.7°F 71.6°F
Chula Vista 63.6°F 59.1°F 59.5°F
Santa Catalina Island 63.2°F 58.3°F 60.4°F
Pawleys Island 63.2°F 57.6°F 68.3°F
Beverly Hills 62.4°F 57.1°F 59.3°F
Hollywood 62.4°F 57.1°F 59.3°F
Santa Monica 62.4°F 57.0°F 59.3°F
Folly Beach 62.4°F 59.2°F 70.8°F
Kiawah Island 62.4°F 59.2°F 71.2°F
Anaheim 62.0°F 57.6°F 58.9°F
Isle of Palms 61.8°F 59.3°F 70.7°F
Los Angeles 61.6°F 57.2°F 59.0°F
Santa Ana 61.6°F 57.9°F 59.0°F
Newport Beach 61.4°F 58.0°F 59.0°F
Laguna Beach 61.4°F 58.2°F 59.4°F
San Jose 61.2°F 56.8°F 60.7°F
Long Beach 61.2°F 57.0°F 58.4°F
Carolina Beach 61.2°F 56.1°F 67.1°F
Irvine 61.2°F 58.1°F 59.1°F
Fremont 61.2°F 56.8°F 60.9°F
Malibu 60.6°F 56.2°F 57.7°F
Oxnard 60.6°F 55.4°F 55.9°F
Oakland 60.4°F 56.0°F 59.6°F
Santa Barbara 60.2°F 55.5°F 56.2°F
Murrells Inlet 60.2°F 58.0°F 68.4°F
Bald Head Island 59.2°F 57.8°F 68.2°F
Oak Island 59.0°F 57.6°F 68.3°F
Arcadian Shores 59.0°F 57.2°F 68.4°F
Sausalito 58.8°F 54.8°F 57.3°F
North Myrtle Beach 58.6°F 57.1°F 68.4°F
Santa Cruz 58.4°F 53.9°F 55.2°F
San Francisco 58.2°F 54.9°F 57.1°F
Wilmington 58.0°F 55.2°F 65.9°F
Hatteras Island 56.8°F 59.8°F 66.5°F
Wrightsville Beach 56.6°F 54.9°F 65.4°F
Monterey 56.4°F 54.5°F 55.8°F
Myrtle Beach 56.4°F 57.1°F 68.1°F
North Topsail Beach 55.2°F 54.4°F 65.3°F
Chesapeake 54.6°F 49.4°F 60.8°F
Outer Banks 52.0°F 52.9°F 63.6°F
Norfolk 51.8°F 49.3°F 60.6°F
Florence 51.6°F 50.0°F 50.4°F
Newport 51.2°F 50.3°F 50.6°F
Depoe Bay 50.8°F 49.7°F 50.4°F
Lincoln City 50.6°F 49.5°F 50.4°F
Washington 50.4°F 48.1°F 61.3°F
Pacific City 50.4°F 49.6°F 50.8°F
Rockaway Beach 50.2°F 49.9°F 51.5°F
Cannon Beach 49.6°F 49.3°F 51.3°F
Seaside 49.4°F 49.3°F 51.4°F
Corolla 49.2°F 49.2°F 59.2°F
Ocean Shores 49.0°F 48.4°F 51.4°F
Saint Michaels 48.0°F 46.2°F 57.0°F
Kill Devil Hills 47.4°F 50.6°F 60.0°F
Tacoma 47.4°F 46.2°F 49.3°F
Baltimore 47.2°F 43.1°F 53.5°F
Bellevue 47.0°F 47.5°F 50.0°F
Whidbey Island 46.8°F 46.6°F 50.1°F
Nags Head 46.6°F 50.8°F 60.2°F
Tangier Island 46.2°F 45.2°F 57.2°F
Port Angeles 46.2°F 46.0°F 48.1°F
Virginia Beach 45.8°F 47.3°F 57.7°F
Bellingham 45.8°F 45.6°F 49.9°F
Astoria 45.4°F 47.1°F 51.3°F
Annapolis 44.8°F 44.3°F 55.7°F
Stateline 44.0°F 42.4°F 46.9°F
South Lake Tahoe 43.8°F 42.3°F 46.9°F
Lake Tahoe 43.4°F 42.5°F 46.8°F
Incline Village 43.2°F 42.2°F 46.3°F
Ocean City 43.0°F 43.0°F 49.0°F
Wilmington 42.8°F 42.6°F 53.3°F
Brigantine 42.4°F 43.3°F 50.1°F
Atlantic City 42.2°F 42.8°F 49.4°F
Cape May 42.2°F 42.9°F 50.3°F
Beach Haven 42.2°F 42.2°F 48.5°F
New Castle 41.8°F 42.6°F 53.7°F
Chincoteague 41.6°F 45.9°F 54.0°F
Lewes 41.4°F 43.7°F 51.3°F
Wildwood Crest 41.2°F 42.7°F 49.7°F
Wildwood 41.2°F 42.7°F 49.7°F
Long Beach Island 41.0°F 41.9°F 47.7°F
Hampton Bays 41.0°F 39.7°F 45.7°F
Dewey Beach 40.6°F 43.9°F 51.4°F
Ketchikan 40.4°F 41.9°F 44.6°F
Sea Isle City 40.4°F 42.4°F 48.7°F
Rehoboth Beach 40.2°F 43.4°F 50.9°F
Sitka 40.0°F 41.5°F 43.4°F
Bethany Beach 40.0°F 44.2°F 51.9°F
South Bethany 40.0°F 44.2°F 51.9°F
Montauk 39.8°F 38.9°F 43.8°F
Siasconset 39.6°F 38.5°F 43.7°F
Fire Island 39.2°F 40.0°F 45.8°F
Plymouth 39.0°F 38.7°F 43.6°F
Port Clinton 39.0°F 37.1°F 46.5°F
Nantucket 38.8°F 38.5°F 44.6°F
Warwick 38.8°F 40.7°F 46.8°F
Bristol 38.8°F 40.8°F 46.7°F
New York 38.4°F 40.8°F 47.2°F
Valdez 38.4°F 38.3°F 40.6°F
Old Saybrook 38.4°F 38.2°F 43.2°F
Groton 38.4°F 39.1°F 44.0°F
New London 38.4°F 39.0°F 44.0°F
Providence 38.4°F 40.4°F 46.8°F
Newark 38.2°F 40.8°F 47.3°F
Jersey City 38.2°F 40.8°F 47.3°F
Seward 38.0°F 37.7°F 40.0°F
Seaside Heights 38.0°F 41.8°F 46.4°F
Boston 37.8°F 37.9°F 43.4°F
Chatham 37.8°F 38.2°F 42.4°F
Cambridge 37.8°F 37.9°F 43.4°F
Hampton 37.6°F 37.1°F 40.7°F
Hampton Beach 37.6°F 37.1°F 40.7°F
Cleveland 37.6°F 35.3°F 42.8°F
Ocean City 37.4°F 44.1°F 51.0°F
Salem 37.4°F 37.4°F 42.0°F
Portsmouth 37.4°F 37.0°F 40.4°F
Block Island 37.4°F 39.9°F 43.3°F
New Shoreham 37.4°F 39.9°F 43.3°F
Stonington 37.2°F 39.0°F 43.6°F
Mystic 37.2°F 39.0°F 43.6°F
Westbrook 37.2°F 37.8°F 43.2°F
Evanston 37.2°F 36.3°F 43.8°F
Dennis Port 37.2°F 38.1°F 44.3°F
Edgartown 37.2°F 38.6°F 45.2°F
Newport 37.2°F 41.0°F 44.8°F
Westerly 37.2°F 39.2°F 43.4°F
Chicago 36.8°F 36.0°F 43.2°F
Fenwick Island 36.8°F 44.5°F 51.9°F
Oak Park 36.8°F 36.0°F 43.3°F
York Beach 36.8°F 37.4°F 40.2°F
Martha's Vineyard 36.8°F 38.4°F 44.5°F
Charlestown 36.8°F 39.7°F 43.5°F
Ogunquit 36.6°F 37.1°F 40.1°F
Sandusky 36.6°F 36.5°F 45.7°F
Jamestown 36.6°F 41.4°F 44.8°F
Yonkers 36.6°F 39.2°F 46.1°F
Yosemite 36.4°F 37.2°F 45.1°F
Stamford 36.4°F 37.2°F 44.2°F
Norwalk 36.4°F 37.1°F 43.7°F
Old Orchard Beach 36.2°F 37.4°F 40.0°F
Wells 36.2°F 36.9°F 40.0°F
Kennebunkport 36.2°F 37.1°F 40.0°F
New Bedford 36.2°F 38.6°F 45.3°F
Provincetown 36.0°F 37.0°F 41.4°F
New Haven 35.8°F 37.7°F 44.8°F
Falmouth 35.8°F 38.4°F 45.0°F
Rochester 35.8°F 34.6°F 37.6°F
Haines 35.4°F 36.9°F 39.1°F
Brunswick 35.4°F 36.3°F 40.2°F
Homer 35.2°F 38.9°F 40.4°F
Juneau 35.2°F 37.6°F 39.7°F
Freeport 35.2°F 36.0°F 40.7°F
Bar Harbor 35.0°F 33.2°F 37.6°F
Rockland 35.0°F 34.0°F 38.8°F
Mount Desert Island 34.6°F 32.9°F 37.6°F
Michigan City 34.4°F 35.4°F 43.4°F
Put in Bay 34.4°F 35.0°F 45.5°F
Girdwood 34.2°F 34.3°F 36.8°F
Camden 34.2°F 33.8°F 38.7°F
Milwaukee 34.2°F 35.0°F 40.2°F
Milford 34.0°F 37.1°F 43.8°F
Toledo 34.0°F 37.9°F 48.4°F
Traverse City 33.4°F 32.8°F 34.4°F
Erie 33.4°F 32.6°F 39.3°F
Anchorage 33.2°F 32.7°F 34.9°F
Wasilla 33.2°F 33.3°F 34.1°F
Appleton 33.0°F 32.0°F 43.0°F
Harbor Springs 32.8°F 30.6°F 32.2°F
Petoskey 32.8°F 30.6°F 32.2°F
Kenai 32.4°F 31.9°F 35.4°F
South Haven 32.2°F 33.2°F 40.5°F
Holland 32.2°F 32.1°F 37.7°F
Green Bay 32.2°F 33.0°F 42.0°F
Oshkosh 32.0°F 32.4°F 44.2°F
Niagara Falls 31.8°F 32.5°F 36.4°F
Saugatuck 31.6°F 32.5°F 38.8°F
Mackinac Island 31.6°F 31.1°F 33.4°F
Buffalo 31.6°F 32.3°F 36.3°F
Charlevoix 31.4°F 30.6°F 32.6°F
Sturgeon Bay 31.4°F 33.1°F 37.4°F
Bayfield 31.0°F 31.7°F 33.8°F
Marquette 30.6°F 31.1°F 33.3°F
Grand Marais 30.4°F 31.6°F 32.4°F
Duluth 30.2°F 31.5°F 33.9°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 for more details.

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.