Sea temperature in March
In March, 77 of 211 coastal destinations have water of 20 °C or more. The warmest sea is at Mahé (Victoria), Seychelles with 30 °C. In Europe, the water is warmest at Santa Cruz de La Palma (19 °C).
Sea temperature by country in March
Coolest to warmest coastal destination per country.
| Country | Sea temperature | Places |
|---|---|---|
| Seychelles | 30° | 1 |
| Malaysia | 30° | 2 |
| India | 29–30° | 2 |
| Maldives | 29° | 1 |
| Thailand | 29° | 6 |
| Kenya | 29° | 2 |
| Sri Lanka | 29° | 4 |
| French Polynesia | 29° | 2 |
| Indonesia | 29° | 1 |
| Tanzania | 29° | 1 |
| Fiji | 29° | 1 |
| Singapore | 29° | 1 |
| Vietnam | 24–29° | 4 |
| Australia | 20–29° | 5 |
| Costa Rica | 28° | 1 |
| Mauritius | 28° | 1 |
| Philippines | 27–28° | 3 |
| Barbados | 27° | 1 |
| Colombia | 27° | 1 |
| Curaçao | 27° | 1 |
| Jamaica | 27° | 1 |
| Mexico | 21–27° | 5 |
| Aruba | 26° | 1 |
| Cuba | 26° | 2 |
| Dominican Republic | 26° | 2 |
| Puerto Rico | 26° | 1 |
| Brazil | 25–26° | 2 |
| South Africa | 16–26° | 2 |
| Oman | 25° | 1 |
| USA | 5–25° | 8 |
| Bahamas | 24° | 1 |
| Argentina | 24° | 1 |
| Egypt | 23° | 4 |
| United Arab Emirates | 23° | 2 |
| Cape Verde | 22° | 2 |
| Jordan | 22° | 1 |
| Israel | 18–22° | 2 |
| Japan | 13–22° | 2 |
| Qatar | 21° | 1 |
| New Zealand | 21° | 1 |
| Hong Kong | 21° | 1 |
| Spain | 13–19° | 21 |
| Namibia | 18° | 1 |
| Portugal | 14–18° | 8 |
| Morocco | 17° | 2 |
| Cyprus | 17° | 4 |
| Greece | 13–17° | 16 |
| Turkey | 9–17° | 12 |
| Tunisia | 15–16° | 4 |
| Malta | 15° | 2 |
| Albania | 14–15° | 2 |
| Italy | 10–15° | 16 |
| Monaco | 14° | 1 |
| Montenegro | 14° | 2 |
| France | 13–14° | 7 |
| Croatia | 11–14° | 8 |
| Ireland | 8° | 1 |
| Canada | 8° | 1 |
| Bulgaria | 7° | 2 |
| United Kingdom | 6° | 1 |
| Iceland | 5° | 1 |
| Germany | 3–5° | 7 |
| Norway | 3–5° | 3 |
| Denmark | 3–4° | 2 |
| Poland | 3° | 1 |
| Sweden | 2° | 1 |
| Finland | 1° | 1 |
From about 20 °C, the sea is comfortable for swimming.
Sea temperature in March: quick answers
Where is the sea warmest in March?
In March, the sea is warmest at Mahé (Victoria), Seychelles (30 °C), Langkawi (Kuah) (30 °C) and Kochi, Kerala (30 °C).
Where can you swim in Europe in March?
No European destination reaches 20 °C in March; the sea is warmest at Santa Cruz de La Palma (19 °C), Maspalomas, Gran Canaria (19 °C) and Puerto de la Cruz, Tenerife (19 °C).
Sea temperature, month by month
Sea temperature all yearWhere to go in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)