Cannons
As you venture into the cave, you'll be surrounded by a vibrant underwater ecosystem. Keep an eye out for the abundance of small fish that call this cave their home. If you're lucky, you may even come across some jacks and rays, adding an extra touch of wonder to your dive.
With a maximum depth of 28m, this dive site is suitable for divers of all levels, including beginners. The crystal-clear waters provide excellent visibility of up to 20m, allowing you to fully appreciate the beauty that lies beneath the surface.
Located close to Ilha do Porto Santo, Porto Santo, Madeira, 9400-174, Portugal, this hidden gem is a must-visit for divers seeking a memorable underwater adventure. Take the plunge and explore Engrade Grande in Ilhéu de Baixo or Cal for an unforgettable diving experience.
Diving Conditions Score for Cannons
Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Cannons
Depth
28m
Visibility
20m
Experience Level
Weather Conditions for Cannons
Wave Height
1.34m
Wind Speed
3.8 m/s
Water Temp
22.1°C
Visibility
27.46km
Cloud Cover
2%
Wave Period
8.15s
Air Temperature
22.8°C
Precipitation
0 mm
Dive Score Chart for Cannons
Best time to dive: 8:00 with score 7.831733333333333/10. Water conditions: Waves 1.34m, Wind 3.6 m/s.Best night dive time: 22:00 with score 7.565158490566038/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Cannons 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: 7.8/10
Waves: 1.34m (8.15s), Wind: 3.6 m/s
Score: 7.8/10
Waves: 1.36m (8.2s), Wind: 3.2 m/s
Score: 7.6/10
Waves: 1.14m, Wind: 3.4 m/s
Seasonal Analysis for CannonsAlpha
Historical patterns and best seasons for diving at Cannons
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 Cannons
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Cannons
Ideal Conditions for Cannons
Water Temp
21.4°C / 70.5°F
July
Visibility
13.2m / 43.3ft
November
Wave Height
1.7m / 5.6ft
November
Wave Period
8.0s
January
Seasonal Insights for Cannons
Cannons shows typical northern hemisphere patterns with July being the warmest month (21.4°C) and January the coldest (13.9°C). The calmest conditions typically occur in November with average wave heights of 1.7m and wave periods of 8.0s. The most comfortable wave conditions are in November 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 November to January, 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 - Jul 4, 2026