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Calf Rock

Calf Rock is an extraordinary dive site located within the Calf and Cow Reef in the United States. This diverse underwater site is characterized by its mesmerizing overhangs, ledges, canyons, and vibrant reef teeming with life. Divers are treated to a breathtaking display of biodiversity, including captivating creatures such as lobsters, eagle rays, and horse-eye jacks. The shallower canyons of Calf Rock are particularly renowned among divers.

One of the most thrilling encounters at Calf Rock is the opportunity to spot sharks lurking beneath the ledges. These magnificent predators add an extra level of excitement to the dive experience. The underwater visibility at this site is a remarkable 16 meters, allowing divers to fully immerse themselves in the underwater wonderland. With a maximum depth of 14 meters, Calf Rock is suitable for divers of all levels, from beginners to advanced and expert divers.

For those planning a diving adventure in the United States, Calf Rock provides an unforgettable exploration of the underwater world. Situated near Cruz Bay in the Saint Thomas - Saint John District of the United States Virgin Islands, this dive site offers convenient access to a captivating marine environment. The combination of stunning natural features and abundant marine life makes Calf Rock a must-visit destination for divers seeking an exceptional underwater experience.

Diving Conditions Score for Calf Rock

7.1
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Calf Rock

Depth

14m

Visibility

16m

Experience Level

beginner
advanced
expert

Weather Conditions for Calf Rock

Wave Height

1.62m

Wind Speed

32.4 m/s

Water Temp

28.4°C

Visibility

35.78km

Cloud Cover

34%

Wave Period

5.65s

Air Temperature

28.2°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Calf Rock
Alpha

Dive Score Chart for Calf Rock

Best time to dive: 7:00 with score 6.707433333333333/10. Water conditions: Waves 1.64m, Wind 34.9 m/s.Best night dive time: 0:00 with score 6.382733333333333/10.

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

Sunrise at Calf Rock: 06:00
Sunset at Calf Rock: 18:00

Optimal diving conditions at Calf Rock 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
7:00

Score: 6.7/10
Waves: 1.64m (5.5s), Wind: 34.9 m/s

🌙
Best Night
0:00

Score: 6.4/10
Waves: 1.48m, Wind: 32.4 m/s

Seasonal Analysis for Calf Rock
Alpha

Historical patterns and best seasons for diving at Calf Rock

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 Calf Rock

Winter

Avg. Score: 10.0/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Calf Rock

January
Score: 10.0
February
Score: 10.0
March
Score: 10.0

Ideal Conditions for Calf Rock

Water Temp

Thermometer Emoji

21.8°C / 71.2°F

June

Visibility

Telescope Emoji

20.1m / 65.9ft

May

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Calf Rock

Calf Rock shows typical northern hemisphere patterns with June being the warmest month (21.8°C) and December the coldest (17.8°C). The calmest conditions typically occur in January with average wave heights of 0.2m 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.

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

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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