Rothesay
Discover the unparalleled beauty of Rothesay, a renowned freshwater scuba diving destination hailed as the "World's Best." Immerse yourself in crystal clear waters with exceptional visibility, boasting a remarkable 4m range. There's no need to worry about temperature variances as Rothesay offers a consistent and inviting environment, free from thermoclines.
As you take the plunge, you'll be greeted by a diverse array of captivating Canadian freshwater fish species, including trout, perch, bass, and lake whitefish. You may even catch a glimpse of the elusive catfish.
Rothesay is not only a haven for marine life, but also a treasure trove for history enthusiasts. Explore the remnants of a century-old shipwreck and uncover scattered artifacts residing on the river bed. For more information and detailed dive guides, visit our website.
Located in Canada, Rothesay is easily accessible and perfect for divers of all experience levels. Beginners will feel right at home as they navigate the waters, with a maximum depth of 9m ensuring a safe and enjoyable dive. Plan your adventure today and create unforgettable memories at this remarkable dive site.
For your convenience, the Canadian Coast Guard is located nearby at West Street, Prescott, Eastern Ontario. Don't miss the chance to explore Rothesay's unparalleled underwater wonders.
As you take the plunge, you'll be greeted by a diverse array of captivating Canadian freshwater fish species, including trout, perch, bass, and lake whitefish. You may even catch a glimpse of the elusive catfish.
Rothesay is not only a haven for marine life, but also a treasure trove for history enthusiasts. Explore the remnants of a century-old shipwreck and uncover scattered artifacts residing on the river bed. For more information and detailed dive guides, visit our website.
Located in Canada, Rothesay is easily accessible and perfect for divers of all experience levels. Beginners will feel right at home as they navigate the waters, with a maximum depth of 9m ensuring a safe and enjoyable dive. Plan your adventure today and create unforgettable memories at this remarkable dive site.
For your convenience, the Canadian Coast Guard is located nearby at West Street, Prescott, Eastern Ontario. Don't miss the chance to explore Rothesay's unparalleled underwater wonders.
Diving Conditions Score for Rothesay
4.8
Below AverageChallenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Rothesay
Depth
9m
Visibility
4m
Experience Level
beginner
Weather Conditions for Rothesay
Wave Height
1m
Wind Speed
21.2 m/s
Water Temp
18°C
Visibility
17.2km
Cloud Cover
2%
Wave Period
8s
Air Temperature
16.8°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Rothesay
Alpha
Dive Score Chart for Rothesay
Best time to dive: 6:00 with score 6.588833333333333/10. Water conditions: Waves 1m, Wind 14.6 m/s.Best night dive time: 0:00 with score 6.091533333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Rothesay: 06:00
Sunset at Rothesay: 18:00
Optimal diving conditions at Rothesay 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: 6.6/10
Waves: 1m (8s), Wind: 14.6 m/s
Best Night
0:00Score: 6.1/10
Waves: 1m, Wind: 15.4 m/s
Seasonal Analysis for RothesayAlpha
Historical patterns and best seasons for diving at Rothesay
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 Rothesay
Winter
Avg. Score: 8.5/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Rothesay
January
Score: 8.9
December
Score: 8.5
February
Score: 8.1
Ideal Conditions for Rothesay
Water Temp
21.2°C / 70.2°F
July
Visibility
16.1m / 52.8ft
January
Wave Height
0.7m / 2.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Rothesay
Rothesay shows typical northern hemisphere patterns with July being the warmest month (21.2°C) and January the coldest (-15.0°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). 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 19, 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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