Millardsville Quarry/Willow Springs
Divers can explore an array of freshwater fish species as well as various wrecks, including a 72' boat, crane, bus, cars, galley, and even a cement mixer. Depths ranging from 10 to 30 feet are typically experienced, ensuring a diverse and captivating underwater environment. The site also features changing facilities, a well-maintained entry/exit dock, and a pleasant overall setting.
With a maximum depth of 12m and visibility reaching up to 3m, Willow Springs Park caters to both beginner and advanced divers. Its convenient location on Millardsville Road in Millardsville, Jackson Township, Lebanon County, Pennsylvania, United States makes it easily accessible to divers in the area.
Prepare for an unforgettable diving adventure at Willow Springs Park, a hidden gem in the heart of Pennsylvania's natural beauty.
Diving Conditions Score for Millardsville Quarry/Willow Springs
Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Millardsville Quarry/Willow Springs
Depth
12m
Visibility
3m
Experience Level
Weather Conditions for Millardsville Quarry/Willow Springs
Wave Height
1m
Wind Speed
9.4 m/s
Water Temp
18°C
Visibility
12.2km
Cloud Cover
100%
Wave Period
8s
Air Temperature
19.1°C
Precipitation
0 mm
Dive Score Chart for Millardsville Quarry/Willow Springs
Best time to dive: 8:00 with score 7.373333333333333/10. Water conditions: Waves 1m, Wind 3.7 m/s.Best night dive time: 5:00 with score 6.648333333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Millardsville Quarry/Willow Springs 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: 7.4/10
Waves: 1m (8s), Wind: 3.7 m/s
Score: 6.6/10
Waves: 1m, Wind: 3.7 m/s
Seasonal Analysis for Millardsville Quarry/Willow SpringsAlpha
Historical patterns and best seasons for diving at Millardsville Quarry/Willow Springs
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 Millardsville Quarry/Willow Springs
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Millardsville Quarry/Willow Springs
Ideal Conditions for Millardsville Quarry/Willow Springs
Water Temp
24.7°C / 76.5°F
July
Visibility
17.6m / 57.7ft
December
Wave Height
0.6m / 2.0ft
December
Wave Period
8.0s
January
Seasonal Insights for Millardsville Quarry/Willow Springs
Millardsville Quarry/Willow Springs shows typical northern hemisphere patterns with July being the warmest month (24.7°C) and January the coldest (-6.8°C). The calmest conditions typically occur in December with average wave heights of 0.6m 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 23, 2026