Half Moon Beach (Quarry)
Divers can expect to encounter various fish species, including bluegill, small-mouth bass, and catfish. The bottom topography features thick grass, creating a vibrant habitat for these aquatic creatures. With a visibility of 4m, this dive site provides decent underwater views.
Please note that this private quarry is strictly off-limits to unauthorized individuals. If you wish to dive at this location, you must first complete an SSI training course with Southern Indiana Scuba. As a beginner, you can confidently explore this dive site, which is conveniently located on East Empire Mill Road, Monroe County, Indiana, 47401, United States.
Diving Conditions Score for Half Moon Beach (Quarry)
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Half Moon Beach (Quarry)
Depth
9m
Visibility
4m
Experience Level
Weather Conditions for Half Moon Beach (Quarry)
Wave Height
1m
Wind Speed
28 m/s
Water Temp
18°C
Visibility
30.8km
Cloud Cover
0%
Wave Period
8s
Air Temperature
27.2°C
Precipitation
0 mm
Dive Score Chart for Half Moon Beach (Quarry)
Best time to dive: 9:00 with score 8.139033333333334/10. Water conditions: Waves 1m, Wind 1.1 m/s.Best night dive time: 3:00 with score 7.623333333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Half Moon Beach (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.
Score: 8.1/10
Waves: 1m (8s), Wind: 1.1 m/s
Score: 7.6/10
Waves: 1m, Wind: 1.5 m/s
Seasonal Analysis for Half Moon Beach (Quarry)Alpha
Historical patterns and best seasons for diving at Half Moon Beach (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 Half Moon Beach (Quarry)
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Half Moon Beach (Quarry)
Ideal Conditions for Half Moon Beach (Quarry)
Water Temp
24.8°C / 76.6°F
July
Visibility
17.0m / 55.8ft
December
Wave Height
0.7m / 2.3ft
December
Wave Period
8.0s
January
Seasonal Insights for Half Moon Beach (Quarry)
Half Moon Beach (Quarry) shows typical northern hemisphere patterns with July being the warmest month (24.8°C) and January the coldest (-6.1°C). The calmest conditions typically occur in December with average wave heights of 0.7m 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