Global Sea Water Temperature
Find current ocean temperatures, wave conditions, and year-round swimming comfort for thousands of coastal beaches worldwide.
Telemetry backed by NOAA NDBC, Copernicus Marine, & Open-Meteo High-Resolution models.
Popular Coastal Destinations Today
Live sea surface temperature and current swimming condition ratings across iconic coastlines.
Albufeira (Praia dos Pescadores)
Heart of the Algarve coastline with extensive sandy bays and calm swimming.
Barcelona (Barceloneta)
A bustling Mediterranean metropolis with miles of golden urban beaches and warm summer surf.
Benidorm (Playa de Levante)
Sheltered microclimate in Alicante with some of the warmest bathing waters on mainland Spain.
Biarritz (Grande Plage)
The European capital of surf, flanked by Belle Époque architecture and invigorating Atlantic breakers.
Bondi Beach (Sydney)
Australia's most celebrated crescent of sand with famous breaks, ocean pools, and vibrant surf culture.
Bournemouth
Seven miles of award-winning sandy beaches backed by dramatic sandstone cliffs.
Explore Water Temperatures by Country
Explore water temperatures, coastal regions, and swimming forecasts by country
Akrotiri Sovereign Base Area
Asia
Aland
Europe
Albania
Europe
Algeria
Africa
American Samoa
Oceania
Angola
Africa
Anguilla
North America
Antarctica
Antarctica
Antigua and Barbuda
North America
Argentina
South America
Aruba
North America
Australia
Oceania
Bahamas
North America
Bahrain
Asia
Barbados
North America
Belgium
Europe
Belize
North America
Bermuda
North America
Bosnia and Herzegovina
Europe
Brazil
South America
British Virgin Islands
North America
Bulgaria
Europe
Cambodia
Asia
Canada
North America
Cape Verde
Africa
Caribbean Netherlands
Europe
Cayman Islands
North America
Chile
South America
China
Asia
Colombia
South America
Comoros
Africa
Costa Rica
North America
Croatia
Europe
Cuba
North America
Curaçao
North America
Cyprus
Asia
Denmark
Europe
Djibouti
Africa
Dominica
North America
Dominican Republic
North America
East Timor
Asia
Ecuador
South America
Egypt
Africa
El Salvador
North America
Estonia
Europe
Falkland Islands
South America
Faroe Islands
Europe
Federated States of Micronesia
Oceania
Fiji
Oceania
Finland
Europe
France
Europe
French Polynesia
Oceania
French Southern and Antarctic Lands
Antarctica
Georgia
Asia
Germany
Europe
Ghana
Africa
Gibraltar
Europe
Greece
Europe
Grenada
North America
Guam
Oceania
Guernsey
Europe
Guinea Bissau
Africa
Haiti
North America
Heard Island and McDonald Islands
Antarctica
Honduras
North America
Hong Kong
Asia
Iceland
Europe
India
Asia
Indonesia
Asia
Iran
Asia
Ireland
Europe
Isle of Man
Europe
Israel
Asia
Italy
Europe
Jamaica
North America
Japan
Asia
Jersey
Europe
Jordan
Asia
Kenya
Africa
Latvia
Europe
Lebanon
Asia
Liberia
Africa
Libya
Africa
Lithuania
Europe
Macau S.A.R
Asia
Madagascar
Africa
Malaysia
Asia
Malta
Europe
Marshall Islands
Oceania
Mauritius
Africa
Mexico
North America
Monaco
Europe
Montenegro
Europe
Morocco
Africa
Mozambique
Africa
Myanmar
Asia
Netherlands
Europe
New Caledonia
Oceania
New Zealand
Oceania
Nicaragua
North America
Nigeria
Africa
North Korea
Asia
Northern Cyprus
Asia
Northern Mariana Islands
Oceania
Norway
Europe
Oman
Asia
Pakistan
Asia
Panama
North America
Peru
South America
Philippines
Asia
Pitcairn Islands
Oceania
Poland
Europe
Portugal
Europe
Puerto Rico
North America
Qatar
Asia
Romania
Europe
Russia
Europe
Saint Barthelemy
North America
Saint Helena
Africa
Saint Kitts and Nevis
North America
Saint Lucia
North America
Saint Martin
North America
Saint Pierre and Miquelon
North America
Samoa
Oceania
Sao Tome and Principe
Africa
Saudi Arabia
Asia
Senegal
Africa
Seychelles
Africa
Sierra Leone
Africa
Singapore
Asia
Sint Maarten
North America
Slovenia
Europe
South Africa
Africa
South Korea
Asia
Spain
Europe
Sri Lanka
Asia
Sweden
Europe
Taiwan
Asia
Tanzania
Africa
Thailand
Asia
Trinidad and Tobago
North America
Tunisia
Africa
Türkiye
Asia
Tuvalu
Oceania
Ukraine
Europe
United Arab Emirates
Asia
United Kingdom
Europe
United States
North America
United States Virgin Islands
North America
Uruguay
South America
Vanuatu
Oceania
Venezuela
South America
Vietnam
Asia
Western Sahara
Africa
Water Temperature Guide: When Is It Warm Enough to Swim?
Water temperature affects human comfort much more rapidly than air temperature because water conducts thermal energy away from the human body approximately 25 times faster than air. Here is how ocean temperatures are evaluated for recreational swimming:
Very Cold
Without a thermal wetsuit, sudden immersion carries a risk of cold water shock. Suitable only for brief athletic swims or winter plunges.
Cool / Refreshing
Typical for summer in the United Kingdom, Atlantic France, and Northern California. Refreshing for active swimmers, but brisk for lingering leisurely bathing.
Comfortable
Common in the Mediterranean (Spain, Italy, Portugal) during June and Southern California in August. Ideal for recreational swimming, paddleboarding, and family beach outings.
Warm & Ideal
Found across Florida, Hawaii, and Southern Europe (Greece, Canary Islands) in July–August. Perfect conditions for long swims, snorkeling, and zero chilling upon entry.