American Quarry
The premier dive site for the PDRA (Piedmont Diving Rescue Association) is the American Quarry, located just a short distance from interstate 85 in Dunns Mountain Road, Granite Quarry, Rowan County, North Carolina. This dive spot boasts a maximum depth of 65 feet, offering divers an abundance of underwater attractions to explore.
Divers will have the opportunity to encounter various species of aquatic life, such as perch, bass, catfish, and the fascinating paddlefish. Since their introduction in 2015, the paddlefish population has flourished, giving divers a unique chance to observe these captivating creatures up close.
With a visibility of 3 meters and a maximum depth of 13 meters, the American Quarry caters to divers of all skill levels, from novices to experts. However, please note that access to the quarry is restricted to PDRA members and their guests. If you're not already a member, joining is simple through the PDRA's official website.
Experience the marvels of diving in the United States at the American Quarry, where a diverse array of marine life, intriguing submerged objects, and a convenient location make it an ideal destination for underwater exploration.
Divers will have the opportunity to encounter various species of aquatic life, such as perch, bass, catfish, and the fascinating paddlefish. Since their introduction in 2015, the paddlefish population has flourished, giving divers a unique chance to observe these captivating creatures up close.
With a visibility of 3 meters and a maximum depth of 13 meters, the American Quarry caters to divers of all skill levels, from novices to experts. However, please note that access to the quarry is restricted to PDRA members and their guests. If you're not already a member, joining is simple through the PDRA's official website.
Experience the marvels of diving in the United States at the American Quarry, where a diverse array of marine life, intriguing submerged objects, and a convenient location make it an ideal destination for underwater exploration.
Diving Conditions Score for American Quarry
5
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for American Quarry
Depth
13m
Visibility
3m
Experience Level
beginner
advanced
Weather Conditions for American Quarry
Wave Height
1m
Wind Speed
20.3 m/s
Water Temp
18°C
Visibility
39.5km
Cloud Cover
0%
Wave Period
8s
Air Temperature
32.4°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for American Quarry
Alpha
Dive Score Chart for American Quarry
Best time to dive: 6:00 with score 7.112433333333334/10. Water conditions: Waves 1m, Wind 5.6 m/s.Best night dive time: 2:00 with score 6.726133333333332/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at American Quarry: 06:00
Sunset at American Quarry: 18:00
Optimal diving conditions at American Quarry 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: 7.1/10
Waves: 1m (8s), Wind: 5.6 m/s
Best Night
2:00Score: 6.7/10
Waves: 1m, Wind: 4.4 m/s
Seasonal Analysis for American QuarryAlpha
Historical patterns and best seasons for diving at American Quarry
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 American Quarry
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 American Quarry
January
Score: 8.8
December
Score: 8.8
February
Score: 8.5
Ideal Conditions for American Quarry
Water Temp
26.2°C / 79.2°F
July
Visibility
17.7m / 58.1ft
December
Wave Height
0.5m / 1.6ft
December
Wave Period
8.0s
January
Seasonal Insights for American Quarry
American Quarry shows typical northern hemisphere patterns with July being the warmest month (26.2°C) and January the coldest (-0.1°C). The calmest conditions typically occur in December with average wave heights of 0.5m 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 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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