| Praia de Iracema | Ceará | Coastal Waters | 26.8°C(80.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Itacoatiara | Rio de Janeiro | Coastal Waters | 21.6°C(70.9°F) | January, February, March, April, December | Live SST → |
| Praia de Itaguá | São Paulo | Coastal Waters | 22.2°C(72°F) | January, February, March, April, December | Live SST → |
| Praia de Itaguaré | São Paulo | Coastal Waters | 21.8°C(71.2°F) | January, February, March, April, May, December | Live SST → |
| Praia de Itaipava | Espírito Santo | Coastal Waters | 22.5°C(72.5°F) | January, February, March, April, May | Live SST → |
| Praia de Itaipu | Rio de Janeiro | Coastal Waters | 21.6°C(70.9°F) | January, February, March, April, December | Live SST → |
| Praia de Itamambuca | São Paulo | Coastal Waters | 22.2°C(72°F) | January, February, March, April, December | Live SST → |
| Praia de Itaoca | Espírito Santo | Coastal Waters | 22.5°C(72.5°F) | January, February, March, April, May | Live SST → |
| Praia de Itaparica | Espírito Santo | Coastal Waters | 23.2°C(73.8°F) | January, February, March, April, May, June, November, December | Live SST → |
| Praia de Itapirubá Norte | Santa Catarina | Río de la Plata | 18.6°C(65.5°F) | January, February, March | Live SST → |
| Praia de Itapuã | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Itaquitanduva | São Paulo | Coastal Waters | 21.8°C(71.2°F) | January, February, March, April, May, December | Live SST → |
| Praia de Itaúna | Rio de Janeiro | Coastal Waters | 21.7°C(71.1°F) | January, February, March, April, December | Live SST → |
| Praia de Jacumã | Rio Grande do Norte | Coastal Waters | 26.4°C(79.5°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Jaguaribe | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Jauá | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Jericoacoara | Ceará | Coastal Waters | 27.2°C(81°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de José Gonçalves | Rio de Janeiro | Coastal Waters | 21.5°C(70.7°F) | February, March, April | Live SST → |
| Praia de Jurujuba | Rio de Janeiro | Coastal Waters | 21.6°C(70.9°F) | January, February, March, April, December | Live SST → |
| Praia de Laranjeiras | Santa Catarina | Río de la Plata | 19.5°C(67.1°F) | January, February, March, April, December | Live SST → |
| Praia de Maceió | Ceará | Coastal Waters | 27.2°C(81°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Mambucaba | Rio de Janeiro | Coastal Waters | 22.4°C(72.3°F) | January, February, March, April, May, December | Live SST → |
| Praia de Manguinhos | Rio de Janeiro | Coastal Waters | 21.5°C(70.7°F) | February, March, April | Live SST → |
| Praia de Maracaipe | Pernambuco | Coastal Waters | 26.3°C(79.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Maranduba | São Paulo | Coastal Waters | 22°C(71.6°F) | January, February, March, April, December | Live SST → |
| Praia de Maresias | São Paulo | Coastal Waters | 21.9°C(71.4°F) | January, February, March, April, December | Live SST → |
| Praia de Marobá | Espírito Santo | Coastal Waters | 22.7°C(72.9°F) | March, April, May | Live SST → |
| Praia de Martim de Sá | São Paulo | Coastal Waters | 22°C(71.6°F) | January, February, March, April, December | Live SST → |
| Praia de Marvila | Espírito Santo | Coastal Waters | 22.5°C(72.5°F) | January, February, March, April, May | Live SST → |
| Praia de Massaguaçu | São Paulo | Coastal Waters | 22°C(71.6°F) | January, February, March, April, December | Live SST → |
| Praia de Mateus Lopes | Espírito Santo | Coastal Waters | 22.8°C(73°F) | January, February, March, April, May, June, November, December | Live SST → |
| Praia de Morrinhos | Santa Catarina | Río de la Plata | 19.2°C(66.6°F) | January, February, March, April, December | Live SST → |
| Praia de Muriú | Rio Grande do Norte | Coastal Waters | 26.4°C(79.5°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Ondina | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Pajuçara | Alagoas | Coastal Waters | 26.2°C(79.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Parati | Espírito Santo | Coastal Waters | 22.5°C(72.5°F) | January, February, March, April, May | Live SST → |
| Praia de Patamares | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Pedras Altas | Santa Catarina | Río de la Plata | 19°C(66.2°F) | January, February, March, December | Live SST → |
| Praia de Pedras Altas (Área Nudista) | Santa Catarina | Río de la Plata | 19°C(66.2°F) | January, February, March, December | Live SST → |
| Praia de Perequê | Santa Catarina | Río de la Plata | 19.2°C(66.6°F) | January, February, March, April, December | Live SST → |
| Praia de Pernambuco | São Paulo | Coastal Waters | 21.8°C(71.2°F) | January, February, March, April, May, December | Live SST → |
| Praia de Piatã | Bahia | Coastal Waters | 25.7°C(78.3°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Pipa | Rio Grande do Norte | Coastal Waters | 26.4°C(79.5°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Piratininga | Rio de Janeiro | Coastal Waters | 21.6°C(70.9°F) | January, February, March, April, December | Live SST → |
| Praia de Pitangui | Rio Grande do Norte | Coastal Waters | 26.4°C(79.5°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Ponta da Fruta | Espírito Santo | Coastal Waters | 22.8°C(73°F) | January, February, March, April, May, June, November, December | Live SST → |
| Praia de Ponta das Canas | Santa Catarina | Río de la Plata | 19.1°C(66.4°F) | January, February, March, April, December | Live SST → |
| Praia de Ponta Grossa | Rio de Janeiro | Coastal Waters | 21.8°C(71.2°F) | January, February, March, April, December | Live SST → |
| Praia de Ponta Grossa | Ceará | Coastal Waters | 26.8°C(80.2°F) | January, February, March, April, May, June, July, August, September, October, November, December | Live SST → |
| Praia de Ponta Negra | Rio de Janeiro | Coastal Waters | 22.2°C(72°F) | January, February, March, April, December | Live SST → |