Hidden Reef
Divers will be delighted by the presence of several large anemone beds and schools of colorful reef fish. The reef also showcases stunning stands of elephant ear sponges, adding to its allure. Whether you are a beginner, advanced, or expert diver, this captivating dive site offers something for everyone.
For those seeking an unforgettable underwater adventure, this secluded reef near Apra Harbor is a must-visit destination. Prepare to immerse yourself in the vibrant marine ecosystem while exploring the rich biodiversity that thrives beneath the crystal-clear waters. Don't miss out on this exceptional diving experience accessible exclusively by boat.
Diving Conditions Score for Hidden Reef
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Hidden Reef
Depth
23m
Visibility
20m
Experience Level
Weather Conditions for Hidden Reef
Wave Height
1.44m
Wind Speed
20.1 m/s
Water Temp
29°C
Visibility
4.08km
Cloud Cover
73%
Wave Period
8.7s
Air Temperature
29.7°C
Precipitation
0.6 mm
Dive Score Chart for Hidden Reef
Best time to dive: 10:00 with score 6.558443859649122/10. Water conditions: Waves 1.26m, Wind 16.5 m/s.Best night dive time: 4:00 with score 5.9718/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Hidden Reef 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: 6.6/10
Waves: 1.26m (8.55s), Wind: 16.5 m/s
Score: 6.0/10
Waves: 1.4m, Wind: 19.4 m/s
Seasonal Analysis for Hidden ReefAlpha
Historical patterns and best seasons for diving at Hidden Reef
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 Hidden Reef
Winter
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Hidden Reef
Ideal Conditions for Hidden Reef
Water Temp
27.6°C / 81.7°F
May
Visibility
11.2m / 36.7ft
November
Wave Height
1.4m / 4.6ft
September
Wave Period
8.0s
January
Seasonal Insights for Hidden Reef
Hidden Reef shows typical northern hemisphere patterns with May being the warmest month (27.6°C) and January the coldest (22.7°C). The calmest conditions typically occur in September with average wave heights of 1.4m and wave periods of 8.0s. The most comfortable wave conditions are in September 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). February is usually the driest month with 1.0mm of precipitation. For beginners, the best time to visit would be during September to November, 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 13, 2026