La Roca Grande
Located in Mexico, this dive site is situated at San Pedro Nolasco Island, just a short hour away from the marina. With an average depth ranging from 50 to 60 feet, divers also have the option to explore even greater depths if desired.
One of the highlights of this dive site is the abundance of marine life, including sea lions and a variety of fish species such as angel fish, damsels, parrot fish, butterfly fish, puffer fish, blennies, star fish, guitar fish, and rays. Invertebrates also thrive here, attracting a diverse range of species.
Our dive shop considers this site a popular choice due to its protection from wind and current. With an average depth of around 60 feet, divers of all levels can be accommodated. The variety of dive spots, particularly the prominent Big Rock, offers easy accessibility to divers regardless of their desired depth.
Enhanced by a visibility of 14m and a maximum depth of 19m, this dive site is suitable for divers of all levels, from beginners to advanced and expert divers. Located in the beautiful country of Mexico, the site is conveniently situated near other popular diving locations within the area.
One of the highlights of this dive site is the abundance of marine life, including sea lions and a variety of fish species such as angel fish, damsels, parrot fish, butterfly fish, puffer fish, blennies, star fish, guitar fish, and rays. Invertebrates also thrive here, attracting a diverse range of species.
Our dive shop considers this site a popular choice due to its protection from wind and current. With an average depth of around 60 feet, divers of all levels can be accommodated. The variety of dive spots, particularly the prominent Big Rock, offers easy accessibility to divers regardless of their desired depth.
Enhanced by a visibility of 14m and a maximum depth of 19m, this dive site is suitable for divers of all levels, from beginners to advanced and expert divers. Located in the beautiful country of Mexico, the site is conveniently situated near other popular diving locations within the area.
Diving Conditions Score for La Roca Grande
7.4
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for La Roca Grande
Depth
19m
Visibility
14m
Experience Level
beginner
advanced
expert
Weather Conditions for La Roca Grande
Wave Height
0.56m
Wind Speed
21.6 m/s
Water Temp
29.6°C
Visibility
34.6km
Cloud Cover
0%
Wave Period
5.6s
Air Temperature
28.9°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for La Roca Grande
Alpha
Dive Score Chart for La Roca Grande
Best time to dive: 6:00 with score 8.194074074074074/10. Water conditions: Waves 0.52m, Wind 13.5 m/s.Best night dive time: 0:00 with score 8.063362831858406/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at La Roca Grande: 06:00
Sunset at La Roca Grande: 18:00
Optimal diving conditions at La Roca Grande 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
6:00Score: 8.2/10
Waves: 0.52m (5.85s), Wind: 13.5 m/s
Best Night
0:00Score: 8.1/10
Waves: 0.5m, Wind: 6.6 m/s
Seasonal Analysis for La Roca GrandeAlpha
Historical patterns and best seasons for diving at La Roca Grande
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 La Roca Grande
Winter
Avg. Score: 8.7/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for La Roca Grande
January
Score: 8.8
December
Score: 8.7
February
Score: 8.5
Ideal Conditions for La Roca Grande
Water Temp
27.4°C / 81.3°F
September
Visibility
13.3m / 43.6ft
November
Wave Height
1.5m / 4.9ft
January
Wave Period
8.0s
January
Seasonal Insights for La Roca Grande
La Roca Grande shows typical northern hemisphere patterns with July being the warmest month (31.1°C) and January the coldest (13.1°C). The calmest conditions typically occur in January with average wave heights of 1.5m and wave periods of 8.0s. The most comfortable wave conditions are in January 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). January is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during January to March, 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 22, 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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