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Ilha Rasa - Portinho

Situated as a favorable alternative to south-southwest swells, the pristine coast of Portinho provides a sheltered haven for beginner divers. Venturing into the sandy depths, divers can explore a range of depths reaching up to 30 meters, perfect for deep diving enthusiasts. With an average water temperature of 18 degrees and exceptional visibility of 8 meters, this dive spot guarantees an unforgettable underwater experience.

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

7.4
Good

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

beginner
advanced

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

Detailed 7-Day Diving Forecast for Ilha Rasa - Portinho
Alpha

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.

Sunrise at Ilha Rasa - Portinho : 06:00
Sunset at Ilha Rasa - Portinho : 18:00

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.

🌞
Best Overall
15:00

Score: 6.9/10
Waves: 1.6m (10.65s), Wind: 8 m/s

🌙
Best Night
23:00

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

Avg. Score: 9.1/10

Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.

Best Months for Ilha Rasa - Portinho

July
Score: 9.3
June
Score: 9.1
May
Score: 8.9

Ideal Conditions for Ilha Rasa - Portinho

Water Temp

Thermometer Emoji

23.1°C / 73.6°F

March

Visibility

Telescope Emoji

12.0m / 39.4ft

July

Wave Height

Wave Emoji

1.5m / 4.9ft

February

Wave Period

Wave Emoji

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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 20, 2026

Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.

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