Tarzan Cave
This popular snorkel and dive site in Guam is accessible from shore only, with access via Navy Base. Divers of all levels, from beginners to advanced, will enjoy exploring the underwater treasures of this location. Discover an array of marine life, including Hawksbill and Green Sea Turtles, which are commonly spotted during dives. The site boasts an old crane, pipes, and other wreckage, adding to its charm and providing interesting subjects for underwater photographers. With a maximum depth of 21m and visibility reaching up to 19m, this dive site offers favorable conditions for divers to fully immerse themselves in the underwater wonders. Located at Palmas Street, Sånta Rita-Sumai Municipality, Guam, 96915, United States, it provides a convenient and unforgettable diving experience.
Diving Conditions Score for Tarzan Cave
6
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Tarzan Cave
Depth
21m
Visibility
19m
Experience Level
beginner
advanced
Weather Conditions for Tarzan Cave
Wave Height
0.58m
Wind Speed
15 m/s
Water Temp
30°C
Visibility
13.48km
Cloud Cover
27%
Wave Period
6.9s
Air Temperature
32.3°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Tarzan Cave
Alpha
Dive Score Chart for Tarzan Cave
Best time to dive: 14:00 with score 7.981182648401828/10. Water conditions: Waves 0.54m, Wind 8.1 m/s.Best night dive time: 19:00 with score 7.363103496503498/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Tarzan Cave: 06:00
Sunset at Tarzan Cave: 18:00
Optimal diving conditions at Tarzan Cave 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
14:00Score: 8.0/10
Waves: 0.54m (7.3s), Wind: 8.1 m/s
Best Night
19:00Score: 7.4/10
Waves: 0.54m, Wind: 9.4 m/s
Seasonal Analysis for Tarzan CaveAlpha
Historical patterns and best seasons for diving at Tarzan Cave
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 Tarzan Cave
Winter
Avg. Score: 9.4/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Tarzan Cave
January
Score: 9.5
February
Score: 9.4
November
Score: 9.4
Ideal Conditions for Tarzan Cave
Water Temp
27.4°C / 81.3°F
June
Visibility
11.2m / 36.7ft
November
Wave Height
1.4m / 4.6ft
September
Wave Period
8.0s
January
Seasonal Insights for Tarzan Cave
Tarzan Cave shows typical northern hemisphere patterns with May being the warmest month (27.5°C) and January the coldest (22.5°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 - Jun 14, 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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