Ilha Rasa - Portinho
The diverse marine life found here includes schools of Cocoroca, Dog-Eye, Surgeons, and Salemas, as well as the graceful butterfly fish and friars. Keep an eye out for barracudas, turtles, and rays which also grace these deep waters.
The coastal landscape is characterized by imposing large stones and slabs, creating intriguing relief and even featuring hidden passages. It's worth noting the presence of chains at the ends of the cove, demanding caution and attention.
Located in Brazil, specifically in the close proximity of Farol da Ilha Rasa, Ipanema, Zona Sul do Rio de Janeiro, Rio de Janeiro, Região Geográfica Imediata do Rio de Janeiro, Região Metropolitana do Rio de Janeiro, Região Geográfica Intermediária do Rio de Janeiro, Rio de Janeiro, Southeast Region, Brazil, Portinho is a must-visit destination for both beginner and advanced divers seeking an immersive aquatic adventure.
Diving Conditions Score for Ilha Rasa - Portinho
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ilha Rasa - Portinho
Depth
18m
Visibility
8m
Experience Level
Weather Conditions for Ilha Rasa - Portinho
Wave Height
1.52m
Wind Speed
9.9 m/s
Water Temp
23°C
Visibility
23.42km
Cloud Cover
20%
Wave Period
10.55s
Air Temperature
24.3°C
Precipitation
0 mm
Dive Score Chart for Ilha Rasa - Portinho
Best time to dive: 15:00 with score 6.872666666666667/10. Water conditions: Waves 1.6m, Wind 8 m/s.Best night dive time: 23:00 with score 6.358193103448277/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Ilha Rasa - Portinho are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Score: 6.9/10
Waves: 1.6m (10.65s), Wind: 8 m/s
Score: 6.4/10
Waves: 1.4m, Wind: 9.8 m/s
Seasonal Analysis for Ilha Rasa - Portinho Alpha
Historical patterns and best seasons for diving at Ilha Rasa - Portinho
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Ilha Rasa - Portinho
Summer
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Ilha Rasa - Portinho
Ideal Conditions for Ilha Rasa - Portinho
Water Temp
23.1°C / 73.6°F
March
Visibility
12.0m / 39.4ft
July
Wave Height
1.5m / 4.9ft
February
Wave Period
8.0s
January
Seasonal Insights for Ilha Rasa - Portinho
Ilha Rasa - Portinho follows southern hemisphere patterns with March being the warmest month (23.1°C) and September the coldest (18.3°C). The calmest conditions typically occur in February with average wave heights of 1.5m and wave periods of 8.0s. The most comfortable wave conditions are in February with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). March is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during February to April, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 20, 2026