Global/Worldwide Sea Temperature Portal
Live Satellite & Buoy Observations• Updated 1m ago

Global Sea Water Temperature

Find current ocean temperatures, wave conditions, and year-round swimming comfort for thousands of coastal beaches worldwide.

Global Buoy Array 4,812 Online
Network Warmest — Barcelona (Barceloneta)25.9°C (78.6°F)
Network Coolest — Bondi Beach (Sydney)18.4°C (65.1°F)

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Telemetry backed by NOAA NDBC, Copernicus Marine, & Open-Meteo High-Resolution models.

Global Directory

Explore Water Temperatures by Country

Explore water temperatures, coastal regions, and swimming forecasts by country

154 Littoral Zones
🌊1 spots

Akrotiri Sovereign Base Area

Asia

Coastline data
3 spots

Aland

Europe

Coastline data
4 spots

Albania

Europe

Coastline data
22 spots

Algeria

Africa

Coastline data
2 spots

American Samoa

Oceania

Coastline data
3 spots

Angola

Africa

Coastline data
5 spots

Anguilla

North America

Coastline data
22 spots

Antarctica

Antarctica

Coastline data
35 spots

Antigua and Barbuda

North America

Coastline data
17 spots

Argentina

South America

Coastline data
4 spots

Aruba

North America

Coastline data
757 spots

Australia

Oceania

Coastline data
21 spots

Bahamas

North America

Coastline data
2 spots

Bahrain

Asia

Coastline data
38 spots

Barbados

North America

Coastline data
2 spots

Belgium

Europe

Coastline data
1 spots

Belize

North America

Coastline data
14 spots

Bermuda

North America

Coastline data
3 spots

Bosnia and Herzegovina

Europe

Coastline data
530 spots

Brazil

South America

Coastline data
2 spots

British Virgin Islands

North America

Coastline data
22 spots

Bulgaria

Europe

Coastline data
5 spots

Cambodia

Asia

Coastline data
300 spots

Canada

North America

Coastline data
21 spots

Cape Verde

Africa

Coastline data
2 spots

Caribbean Netherlands

Europe

Coastline data
3 spots

Cayman Islands

North America

Coastline data
132 spots

Chile

South America

Coastline data
26 spots

China

Asia

Coastline data
40 spots

Colombia

South America

Coastline data
1 spots

Comoros

Africa

Coastline data
72 spots

Costa Rica

North America

Coastline data
193 spots

Croatia

Europe

Coastline data
58 spots

Cuba

North America

Coastline data
16 spots

Curaçao

North America

Coastline data
44 spots

Cyprus

Asia

Coastline data
107 spots

Denmark

Europe

Coastline data
1 spots

Djibouti

Africa

Coastline data
9 spots

Dominica

North America

Coastline data
50 spots

Dominican Republic

North America

Coastline data
16 spots

East Timor

Asia

Coastline data
44 spots

Ecuador

South America

Coastline data
27 spots

Egypt

Africa

Coastline data
4 spots

El Salvador

North America

Coastline data
22 spots

Estonia

Europe

Coastline data
6 spots

Falkland Islands

South America

Coastline data
2 spots

Faroe Islands

Europe

Coastline data
1 spots

Federated States of Micronesia

Oceania

Coastline data
8 spots

Fiji

Oceania

Coastline data
127 spots

Finland

Europe

Coastline data
985 spots

France

Europe

Coastline data
3 spots

French Polynesia

Oceania

Coastline data
2 spots

French Southern and Antarctic Lands

Antarctica

Coastline data
2 spots

Georgia

Asia

Coastline data
88 spots

Germany

Europe

Coastline data
1 spots

Ghana

Africa

Coastline data
2 spots

Gibraltar

Europe

Coastline data
470 spots

Greece

Europe

Coastline data
16 spots

Grenada

North America

Coastline data
4 spots

Guam

Oceania

Coastline data
26 spots

Guernsey

Europe

Coastline data
1 spots

Guinea Bissau

Africa

Coastline data
7 spots

Haiti

North America

Coastline data
3 spots

Heard Island and McDonald Islands

Antarctica

Coastline data
10 spots

Honduras

North America

Coastline data
39 spots

Hong Kong

Asia

Coastline data
7 spots

Iceland

Europe

Coastline data
90 spots

India

Asia

Coastline data
62 spots

Indonesia

Asia

Coastline data
3 spots

Iran

Asia

Coastline data
134 spots

Ireland

Europe

Coastline data
15 spots

Isle of Man

Europe

Coastline data
22 spots

Israel

Asia

Coastline data
780 spots

Italy

Europe

Coastline data
11 spots

Jamaica

North America

Coastline data
86 spots

Japan

Asia

Coastline data
27 spots

Jersey

Europe

Coastline data
1 spots

Jordan

Asia

Coastline data
3 spots

Kenya

Africa

Coastline data
4 spots

Latvia

Europe

Coastline data
3 spots

Lebanon

Asia

Coastline data
1 spots

Liberia

Africa

Coastline data
1 spots

Libya

Africa

Coastline data
2 spots

Lithuania

Europe

Coastline data
2 spots

Macau S.A.R

Asia

Coastline data
2 spots

Madagascar

Africa

Coastline data
68 spots

Malaysia

Asia

Coastline data
19 spots

Malta

Europe

Coastline data
4 spots

Marshall Islands

Oceania

Coastline data
5 spots

Mauritius

Africa

Coastline data
67 spots

Mexico

North America

Coastline data
2 spots

Monaco

Europe

Coastline data
29 spots

Montenegro

Europe

Coastline data
27 spots

Morocco

Africa

Coastline data
2 spots

Mozambique

Africa

Coastline data
2 spots

Myanmar

Asia

Coastline data
57 spots

Netherlands

Europe

Coastline data
45 spots

New Caledonia

Oceania

Coastline data
413 spots

New Zealand

Oceania

Coastline data
21 spots

Nicaragua

North America

Coastline data
1 spots

Nigeria

Africa

Coastline data
1 spots

North Korea

Asia

Coastline data
🌊2 spots

Northern Cyprus

Asia

Coastline data
8 spots

Northern Mariana Islands

Oceania

Coastline data
67 spots

Norway

Europe

Coastline data
3 spots

Oman

Asia

Coastline data
3 spots

Pakistan

Asia

Coastline data
7 spots

Panama

North America

Coastline data
4 spots

Peru

South America

Coastline data
70 spots

Philippines

Asia

Coastline data
2 spots

Pitcairn Islands

Oceania

Coastline data
6 spots

Poland

Europe

Coastline data
383 spots

Portugal

Europe

Coastline data
66 spots

Puerto Rico

North America

Coastline data
7 spots

Qatar

Asia

Coastline data
13 spots

Romania

Europe

Coastline data
83 spots

Russia

Europe

Coastline data
12 spots

Saint Barthelemy

North America

Coastline data
6 spots

Saint Helena

Africa

Coastline data
3 spots

Saint Kitts and Nevis

North America

Coastline data
3 spots

Saint Lucia

North America

Coastline data
9 spots

Saint Martin

North America

Coastline data
1 spots

Saint Pierre and Miquelon

North America

Coastline data
11 spots

Samoa

Oceania

Coastline data
3 spots

Sao Tome and Principe

Africa

Coastline data
6 spots

Saudi Arabia

Asia

Coastline data
7 spots

Senegal

Africa

Coastline data
49 spots

Seychelles

Africa

Coastline data
5 spots

Sierra Leone

Africa

Coastline data
3 spots

Singapore

Asia

Coastline data
1 spots

Sint Maarten

North America

Coastline data
7 spots

Slovenia

Europe

Coastline data
34 spots

South Africa

Africa

Coastline data
38 spots

South Korea

Asia

Coastline data
2292 spots

Spain

Europe

Coastline data
11 spots

Sri Lanka

Asia

Coastline data
183 spots

Sweden

Europe

Coastline data
17 spots

Taiwan

Asia

Coastline data
7 spots

Tanzania

Africa

Coastline data
105 spots

Thailand

Asia

Coastline data
11 spots

Trinidad and Tobago

North America

Coastline data
11 spots

Tunisia

Africa

Coastline data
81 spots

Türkiye

Asia

Coastline data
1 spots

Tuvalu

Oceania

Coastline data
8 spots

Ukraine

Europe

Coastline data
18 spots

United Arab Emirates

Asia

Coastline data
482 spots

United Kingdom

Europe

Coastline data
1165 spots

United States

North America

Coastline data
68 spots

United States Virgin Islands

North America

Coastline data
33 spots

Uruguay

South America

Coastline data
2 spots

Vanuatu

Oceania

Coastline data
41 spots

Venezuela

South America

Coastline data
16 spots

Vietnam

Asia

Coastline data
1 spots

Western Sahara

Africa

Coastline data
Thermal Physiological Guide

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:

Polar / Subarctic (<10°C)Refreshing (16°C–20°C)Comfortable (20°C–24°C)Tropical (>28°C)
12°C • 54°F16°C • 61°F20°C • 68°F28°C+ • 82°F+
Below 16°C (61°F)Category I

Very Cold

Without a thermal wetsuit, sudden immersion carries a risk of cold water shock. Suitable only for brief athletic swims or winter plunges.

Recommended gear: 3mm–5mm Neoprene Wetsuit
16°C to 20°C (61°F – 68°F)Category II

Cool / Refreshing

Typical for summer in the United Kingdom, Atlantic France, and Northern California. Refreshing for active swimmers, but brisk for lingering leisurely bathing.

Acclimatization recommended before swimming
20°C to 24°C (68°F – 75°F)Category III

Comfortable

Common in the Mediterranean (Spain, Italy, Portugal) during June and Southern California in August. Ideal for recreational swimming, paddleboarding, and family beach outings.

Prime conditions for open-water sports
24°C to 28°C (75°F – 82°F)Category IV

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.

No wetsuit needed; pleasant tropical immersion