Ilha Rasa - Guincho
Welcome to our classic coastal diving site, perfect for both beginner and advanced divers. With a maximum depth of 18 meters between the shore and sand, it's important to pay attention to your surroundings. The average annual temperature here is 18 degrees Celsius, and the visibility reaches up to 7 meters.
This dive spot is teeming with marine life. You can expect to encounter shoals of cocoroca, dog-eye, surgeons, salemas, butterfly fish, and friars. Keep an eye out for barracudas, turtles, and rays as well. The name of this location comes from the winch that was used to transfer cargo and supplies to the former Lighthouse of the Island from the mainland. You can still find remnants of the previous winch at a depth of 7 meters, just below the current winch. Don't miss the interesting passages between 10 and 15 meters deep.
Located in Brazil, specifically in the Ipanema area of Rio de Janeiro, this dive site offers a convenient and exciting experience for divers of all levels. So pack your gear and get ready to explore the underwater wonders of this remarkable location.
This dive spot is teeming with marine life. You can expect to encounter shoals of cocoroca, dog-eye, surgeons, salemas, butterfly fish, and friars. Keep an eye out for barracudas, turtles, and rays as well. The name of this location comes from the winch that was used to transfer cargo and supplies to the former Lighthouse of the Island from the mainland. You can still find remnants of the previous winch at a depth of 7 meters, just below the current winch. Don't miss the interesting passages between 10 and 15 meters deep.
Located in Brazil, specifically in the Ipanema area of Rio de Janeiro, this dive site offers a convenient and exciting experience for divers of all levels. So pack your gear and get ready to explore the underwater wonders of this remarkable location.
Diving Conditions Score for Ilha Rasa - Guincho
6.6
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Ilha Rasa - Guincho
Depth
18m
Visibility
7m
Experience Level
beginner
advanced
Weather Conditions for Ilha Rasa - Guincho
Wave Height
1.44m
Wind Speed
21.5 m/s
Water Temp
22.8°C
Visibility
29.86km
Cloud Cover
69%
Wave Period
7.5s
Air Temperature
21.9°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Ilha Rasa - Guincho
Alpha
Dive Score Chart for Ilha Rasa - Guincho
Best time to dive: 8:00 with score 6.8429/10. Water conditions: Waves 1.38m, Wind 20.5 m/s.Best night dive time: 23:00 with score 6.848199999999999/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Ilha Rasa - Guincho: 06:00
Sunset at Ilha Rasa - Guincho: 18:00
Optimal diving conditions at Ilha Rasa - Guincho 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
23:00Score: 6.8/10
Waves: 1.56m (7.95s), Wind: 1.9 m/s
Safest Overall
6:00Score: 6.8/10
Waves: 1.34m (8.8s), Wind: 34.6 m/s
Best Day
8:00Score: 6.8/10
Waves: 1.38m, Wind: 20.5 m/s
Seasonal Analysis for Ilha Rasa - GuinchoAlpha
Historical patterns and best seasons for diving at Ilha Rasa - Guincho
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 - Guincho
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 - Guincho
July
Score: 9.2
June
Score: 9.1
May
Score: 8.9
Ideal Conditions for Ilha Rasa - Guincho
Water Temp
23.0°C / 73.4°F
April
Visibility
12.0m / 39.4ft
July
Wave Height
1.8m / 5.9ft
February
Wave Period
8.0s
January
Seasonal Insights for Ilha Rasa - Guincho
Ilha Rasa - Guincho follows southern hemisphere patterns with April being the warmest month (23.0°C) and September the coldest (18.3°C). The calmest conditions typically occur in February with average wave heights of 1.8m 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 21, 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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