Praia João Fernandes

Rio de Janeiro, BrazilDirections

3mm wetsuit typical

Praia João Fernandes at a glance

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 24°C (76°F). Check the latest conditions and entry details before you go.

Favorable window now· until 18:00 · sunset 17:49

Forecast for this hour · 15:00 · run 13 h ago

1.1 m (3.5 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 24°C · seasonal avg 23°C ( · Forecast 76°F · seasonal avg 74°F)

Dive windows this week

Lightest wind: Wed

Sat

1.1 m waves · 5 kn wind (3.5 ft waves · 5 kn wind)

Sun

1.1 m waves · 9 kn wind (3.5 ft waves · 9 kn wind)

Mon

0.9 m waves · 5 kn wind (2.9 ft waves · 5 kn wind)

Tue

1.0 m waves · 5 kn wind (3.1 ft waves · 5 kn wind)

Wed

0.9 m waves · 3 kn wind (3.1 ft waves · 3 kn wind)

Thu

0.8 m waves · 6 kn wind (2.8 ft waves · 6 kn wind)

Fri

1.0 m waves · 10 kn wind (3.3 ft waves · 10 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 4:56 · Sunrise 5:19 · Sunset 17:49 · some windows run past sunset

Source: Open-Meteo marine · model point 5.6 km from site · updated 10 Oct, 02:26 GMT-3

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Praia João Fernandes

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

January, 98% of days have historically been favorable, water has typically been 25°C (76°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 9 knots
February, 99% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 0.9 m (3.1 ft), wind has typically been 10 knots
March, 97% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 9 knots
April, 97% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 9 knots
May, 100% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.0 m (3.4 ft), wind has typically been 9 knots, historically most favorable
June, 100% of days have historically been favorable, water has typically been 23°C (73°F), waves have typically been 0.9 m (3.1 ft), wind has typically been 9 knots, historically most favorable
July, 98% of days have historically been favorable, water has typically been 22°C (72°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 9 knots
August, 94% of days have historically been favorable, water has typically been 22°C (72°F), waves have typically been 1.2 m (3.8 ft), wind has typically been 11 knots
September, 70% of days have historically been favorable, water has typically been 23°C (73°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 12 knots
October, 85% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 1.3 m (4.3 ft), wind has typically been 11 knots
November, 94% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.1 m (3.6 ft), wind has typically been 11 knots
December, 100% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 10 knots, historically most favorable

May, June, and December have typically 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.

Marine life recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

Green Turtle recorded here Nov (4 records)
Chelonia mydasmost recent 2013
Red Starfish recorded here Nov (4 records)
Echinaster sepositusmost recent 2013
Spotted Seahorse recorded here Nov (4 records)
Hippocampus kudamost recent 2013
Oreaster reticulatus recorded here Apr, Nov (2 records)
most recent 2014
Blue-spotted Cornetfish recorded here Apr (1 record)
Fistularia tabacariamost recent 2014

Newest record here: 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.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

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.

Reviews

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