Abrolhos is Brazil's first Marine National Park, sitting in the Atlantic Ocean, and all diving here is done by boat. The region is defined by its chapeirões: mushroom-shaped coral pinnacles found at sites such as Chapeirão Mau Mau, Chapeirao Atlantida, and Chapeirão Jean Pierre. These formations create overhead environments including swim-throughs and cave sections that require solid buoyancy control. Two wrecks, Naufrágio Castor and Naufragio Nebula, sit in shallow water and have colonised with reef life. Water temperatures are warm year-round, staying in the mid-to-upper twenties, with visibility typically between nine and ten metres at reef sites. Species include green sea turtle, whale shark, Atlantic goliath grouper, and nurse shark.
Monthly water temperature across Abrolhos's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperatures remain warm throughout the year, ranging from the mid-twenties in the cooler months to the high twenties at their peak. Visibility at the chapeirão sites is typically moderate rather than exceptional, and currents require careful planning. The research indicates clarity improves during the summer months of December through March.
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Nova Vicosa, Brazil
Santa Cruz Cabralia, Brazil
Water temperature around Abrolhos ranges from about 25°C in July to 28°C in March, based on satellite sea-temperature data for its dive sites.
In the warm season (about 28°C) a rash guard or 3mm shorty is comfortable in Abrolhos; in the coldest months (about 25°C) step up to a 3mm full suit.
Fin maps 5 sites in Abrolhos (5 scuba diving sites and 2 snorkelling spots, with some suited to both).
1 more site to explore
