Coral Key Lake
Immerse yourself in the cool waters of this dive spot, as the temperature transitions from 50°F in March to 55°F in April, reaching a delightful 72°F from July to September. Underwater, you'll encounter a diverse range of captivating wildlife, including turtles, bass, Bluegill, catfish, crawdads, and perch.
As you explore the depths, you'll find scuba platforms strategically placed to enhance your diving experience. In the summer of 2019, a purpose-built structure was submerged for wreck training, adding an exciting dimension to your underwater adventures. The dedication to water quality is evident, with ongoing measures in place to improve visibility for scuba enthusiasts.
Not only is this site perfect for diving, but it also offers additional recreational activities. A walking path surrounds the lake, providing the ideal setting for dog walking and bird watching. Moreover, various novelties, such as skeleton divers and sculptures, are being installed to add a touch of excitement and wonder to your diving escapades.
Convenient parking facilities are available, ensuring easy access to this remarkable dive site. Don't miss the opportunity to explore this hidden gem of the United States. Plan your visit to this location in Reed Street, Arvada, Jefferson County, Colorado, 80002-4617, United States, and embark on an unforgettable diving adventure suitable for both beginner and advanced divers.
Diving Conditions Score for Coral Key Lake
Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Coral Key Lake
Depth
6m
Visibility
2m
Experience Level
Weather Conditions for Coral Key Lake
Wave Height
1m
Wind Speed
4.8 m/s
Water Temp
18°C
Visibility
72.6km
Cloud Cover
0%
Wave Period
8s
Air Temperature
16.8°C
Precipitation
0 mm
Dive Score Chart for Coral Key Lake
Best time to dive: 10:00 with score 7.733333333333333/10. Water conditions: Waves 1m, Wind 3 m/s.Best night dive time: 2:00 with score 6.903333333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Coral Key Lake 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: 7.7/10
Waves: 1m (8s), Wind: 3 m/s
Score: 6.9/10
Waves: 1m, Wind: 6.3 m/s
Seasonal Analysis for Coral Key LakeAlpha
Historical patterns and best seasons for diving at Coral Key Lake
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 Coral Key Lake
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Coral Key Lake
Ideal Conditions for Coral Key Lake
Water Temp
24.3°C / 75.7°F
July
Visibility
16.4m / 53.8ft
January
Wave Height
0.7m / 2.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Coral Key Lake
Coral Key Lake shows typical northern hemisphere patterns with July being the warmest month (24.3°C) and February the coldest (-8.2°C). The calmest conditions typically occur in January with average wave heights of 0.7m 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.
Last updated: 1 min. ago - Jun 21, 2026