Castle Rock
Diving Conditions Score for Castle Rock
Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Castle Rock
Depth
25m
Visibility
19m
Experience Level
Weather Conditions for Castle Rock
Wave Height
0.4m
Wind Speed
9.2 m/s
Water Temp
28.4°C
Visibility
30.2km
Cloud Cover
22%
Wave Period
4.35s
Air Temperature
26.9°C
Precipitation
0 mm
Dive Score Chart for Castle Rock
Best time to dive: 13:00 with score 8.884052475247525/10. Water conditions: Waves 0.36m, Wind 7.2 m/s.Best night dive time: 1:00 with score 8.678988888888888/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Castle Rock 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: 8.9/10
Waves: 0.36m (5.05s), Wind: 7.2 m/s
Score: 8.7/10
Waves: 0.38m, Wind: 5.8 m/s
Seasonal Analysis for Castle RockAlpha
Historical patterns and best seasons for diving at Castle Rock
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 Castle Rock
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Castle Rock
Ideal Conditions for Castle Rock
Water Temp
27.0°C / 80.6°F
July
Visibility
12.0m / 39.4ft
July
Wave Height
1.8m / 5.9ft
March
Wave Period
8.0s
January
Seasonal Insights for Castle Rock
Castle Rock follows southern hemisphere patterns with May being the warmest month (28.0°C) and January the coldest (23.2°C). The calmest conditions typically occur in March with average wave heights of 1.8m and wave periods of 8.0s. The most comfortable wave conditions are in March 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). July is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during March to May, 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 6, 2026