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The Blue Grotto

Explore the largest clear water cavern in the heart of freshwater spring country located in Williston, Florida. Dive into the breathtaking Blue Grotto, where you can immerse yourself in crystal clear water that maintains a refreshing temperature of 72 degrees Fahrenheit throughout the year. This renowned site is not just for training, it's perfect for divers of all levels.

The Blue Grotto offers an abundance of wildlife encounters, allowing you to marvel at the diverse marine life found in Florida's springs. Keep an eye out for bluegill, bass, cichlids, catfish, and tilapia as they gracefully swim alongside you. If you're lucky, you may even catch a glimpse of some curious turtles on your dive.

Technical divers have the unique opportunity to explore the actual cave on the property, boasting its own exclusive entrance. With special permission, you can venture into this captivating underwater cave system and uncover its hidden wonders.

Located in the United States, specifically at Northeast 172 Court, Levy County, Florida, 32696, the Blue Grotto is easily accessible and awaits divers from all around the world. With a maximum depth of 17m and visibility reaching an impressive 13m, this dive site promises an unforgettable diving experience for beginners, advanced divers, and experts alike.

Diving Conditions Score for The Blue Grotto

6.8
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for The Blue Grotto

Depth

17m

Visibility

13m

Experience Level

beginner
advanced
expert

Weather Conditions for The Blue Grotto

Wave Height

1m

Wind Speed

8.9 m/s

Water Temp

18°C

Visibility

25.9km

Cloud Cover

7%

Wave Period

8s

Air Temperature

25°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for The Blue Grotto
Alpha

Dive Score Chart for The Blue Grotto

Best time to dive: 8:00 with score 7.490633333333333/10. Water conditions: Waves 1m, Wind 9 m/s.Best night dive time: 3:00 with score 7.282533333333333/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at The Blue Grotto: 06:00
Sunset at The Blue Grotto: 18:00

Optimal diving conditions at The Blue 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
8:00

Score: 7.5/10
Waves: 1m (8s), Wind: 9 m/s

🌙
Best Night
3:00

Score: 7.3/10
Waves: 1m, Wind: 6 m/s

Seasonal Analysis for The Blue Grotto
Alpha

Historical patterns and best seasons for diving at The Blue 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 The Blue 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 The Blue Grotto

December
Score: 9.2
January
Score: 9.1
February
Score: 8.9

Ideal Conditions for The Blue Grotto

Water Temp

Thermometer Emoji

27.1°C / 80.8°F

July

Visibility

Telescope Emoji

16.6m / 54.5ft

December

Wave Height

Wave Emoji

0.8m / 2.6ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for The Blue Grotto

The Blue Grotto shows typical northern hemisphere patterns with June being the warmest month (27.3°C) and January the coldest (8.8°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.

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

Last updated: 1 min. ago - Jun 15, 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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