40 Fathoms Grotto
Located just 15 minutes outside of Ocala, FL, this dive site in the water has been operated by Commercial Diving Academy since 2006. While primarily used for commercial dive training, this site remains open to divers of all levels. However, the entry fee of $200 has been set to discourage recreational divers.
The water at this dive site is typically dark and green, with visibility ranging from 10' to 40' (3m to 12m). Underwater, divers can expect to encounter a variety of intriguing sights, including boats, motorcycles, mini-subs, and platforms.
With a maximum depth of 14m and a visibility of 5m, this dive site is best suited for experienced divers. Situated in the United States, specifically at Northwest 115th Avenue, Marion County, Florida, 32686, this location offers convenient access for divers in the area.
The water at this dive site is typically dark and green, with visibility ranging from 10' to 40' (3m to 12m). Underwater, divers can expect to encounter a variety of intriguing sights, including boats, motorcycles, mini-subs, and platforms.
With a maximum depth of 14m and a visibility of 5m, this dive site is best suited for experienced divers. Situated in the United States, specifically at Northwest 115th Avenue, Marion County, Florida, 32686, this location offers convenient access for divers in the area.
Diving Conditions Score for 40 Fathoms Grotto
5
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for 40 Fathoms Grotto
Depth
14m
Visibility
5m
Experience Level
expert
Weather Conditions for 40 Fathoms Grotto
Wave Height
1m
Wind Speed
20.2 m/s
Water Temp
18°C
Visibility
27.9km
Cloud Cover
100%
Wave Period
8s
Air Temperature
32.1°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for 40 Fathoms Grotto
Alpha
Dive Score Chart for 40 Fathoms Grotto
Best time to dive: 11:00 with score 6.894233333333332/10. Water conditions: Waves 1m, Wind 6.9 m/s.Best night dive time: 2:00 with score 6.784233333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at 40 Fathoms Grotto: 06:00
Sunset at 40 Fathoms Grotto: 18:00
Optimal diving conditions at 40 Fathoms Grotto 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
11:00Score: 6.9/10
Waves: 1m (8s), Wind: 6.9 m/s
Best Night
2:00Score: 6.8/10
Waves: 1m, Wind: 3 m/s
Seasonal Analysis for 40 Fathoms GrottoAlpha
Historical patterns and best seasons for diving at 40 Fathoms Grotto
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 40 Fathoms Grotto
Winter
Avg. Score: 9.1/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for 40 Fathoms Grotto
December
Score: 9.2
January
Score: 9.1
February
Score: 9.0
Ideal Conditions for 40 Fathoms Grotto
Water Temp
27.0°C / 80.6°F
June
Visibility
16.6m / 54.5ft
December
Wave Height
0.8m / 2.6ft
December
Wave Period
8.0s
January
Seasonal Insights for 40 Fathoms Grotto
40 Fathoms Grotto shows typical northern hemisphere patterns with June being the warmest month (27.0°C) and January the coldest (9.1°C). The calmest conditions typically occur in December with average wave heights of 0.8m and wave periods of 8.0s. The most comfortable wave conditions are in December 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 December to February, 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 17, 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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