Bonnie Castle
Welcome to our exceptional dive site located in the United States! This dive site offers a fantastic training area for divers of all levels, including Open Water, Advanced, and Master diver students. As a beginner, you'll find this site particularly suitable for your needs.
One of the advantages of this dive site is its convenient shore entry, allowing for easy access to the underwater world. Once in the water, you'll discover a beautiful wall waiting to be explored. To assist you in navigating the site, guide lines have been set up, leading you from the wall to platforms situated at a depth of 30 feet. The maximum depth of this dive is 65 feet, which can be reached by following the guide lines until you come across a fascinating sunken car or boat.
As you explore this underwater paradise, you'll encounter a variety of freshwater fish, especially around the platforms. Additionally, keep an eye out for the numerous goby fish that can be found at the bottom of the dive site. And don't forget to take a moment during your safety stop to observe the very large crayfish residing in the cracks and under rocks.
Located near Holland Street in the charming Alexandria Bay, Jefferson County, New York, this dive site offers an unforgettable experience for divers. With a visibility of 6 meters and a maximum depth of 20 meters, you'll have plenty of opportunities to immerse yourself in the wonders of the underwater world.
Join us at this incredible dive site that has everything you need for a remarkable diving adventure!
One of the advantages of this dive site is its convenient shore entry, allowing for easy access to the underwater world. Once in the water, you'll discover a beautiful wall waiting to be explored. To assist you in navigating the site, guide lines have been set up, leading you from the wall to platforms situated at a depth of 30 feet. The maximum depth of this dive is 65 feet, which can be reached by following the guide lines until you come across a fascinating sunken car or boat.
As you explore this underwater paradise, you'll encounter a variety of freshwater fish, especially around the platforms. Additionally, keep an eye out for the numerous goby fish that can be found at the bottom of the dive site. And don't forget to take a moment during your safety stop to observe the very large crayfish residing in the cracks and under rocks.
Located near Holland Street in the charming Alexandria Bay, Jefferson County, New York, this dive site offers an unforgettable experience for divers. With a visibility of 6 meters and a maximum depth of 20 meters, you'll have plenty of opportunities to immerse yourself in the wonders of the underwater world.
Join us at this incredible dive site that has everything you need for a remarkable diving adventure!
Diving Conditions Score for Bonnie Castle
5.4
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Bonnie Castle
Depth
20m
Visibility
6m
Experience Level
beginner
Weather Conditions for Bonnie Castle
Wave Height
1m
Wind Speed
6.1 m/s
Water Temp
18°C
Visibility
16.1km
Cloud Cover
90%
Wave Period
8s
Air Temperature
16.2°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Bonnie Castle
Alpha
Dive Score Chart for Bonnie Castle
Best time to dive: 7:00 with score 7.519933333333333/10. Water conditions: Waves 1m, Wind 2.9 m/s.Best night dive time: 3:00 with score 6.793333333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Bonnie Castle: 06:00
Sunset at Bonnie Castle: 18:00
Optimal diving conditions at Bonnie Castle 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
7:00Score: 7.5/10
Waves: 1m (8s), Wind: 2.9 m/s
Best Night
3:00Score: 6.8/10
Waves: 1m, Wind: 4.5 m/s
Seasonal Analysis for Bonnie CastleAlpha
Historical patterns and best seasons for diving at Bonnie Castle
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 Bonnie Castle
Winter
Avg. Score: 8.3/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Bonnie Castle
January
Score: 8.6
December
Score: 8.3
February
Score: 8.1
Ideal Conditions for Bonnie Castle
Water Temp
21.2°C / 70.2°F
July
Visibility
14.5m / 47.6ft
January
Wave Height
1.0m / 3.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Bonnie Castle
Bonnie Castle shows typical northern hemisphere patterns with July being the warmest month (21.2°C) and January the coldest (-12.8°C). The calmest conditions typically occur in January with average wave heights of 1.0m 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). May 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
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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