Praia João Fernandes is a dive site in Rio de Janeiro, Brazil. Typically most favorable May–Jun · from 3 years of archive data. Recent reports put the water around 22°C (72°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 22°C · seasonal avg 22°C
Dive windows this week
Best: MonFavorable windowModerate window— no window
First light 5:39 · Sunrise 6:02 · Sunset 17:35
Source: Open-Meteo marine · model point 5.6 km from site · graded 18h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
May, June, and December havetypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.
Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.
Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.
Chelonia mydas recorded here Nov (4 records)
most recent 2013
Echinaster sepositus recorded here Nov (4 records)
most recent 2013
Hippocampus kuda recorded here Nov (4 records)
most recent 2013
Oreaster reticulatus recorded here Apr, Nov (2 records)
most recent 2014
Abudefduf vaigiensis recorded here Mar (1 record)
most recent 1988
Fistularia tabacaria recorded here Apr (1 record)
most recent 2014
Pseudobatos planiceps recorded here Apr (1 record)
most recent 2014
Sepia officinalis recorded here Apr (1 record)
most recent 2014
Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.
No dive shops mapped within 25 km. Know one? Add it to the map.
Data updated July 2026
Praia João Fernandes is a dive site in Brazil.
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
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