Finger Reef
Welcome to Apra Harbor, a captivating dive site located in the United States. With a maximum depth of 19m and impressive visibility of 14m, this harbor reef dive promises an unforgettable experience for divers of all levels, including beginners.
Immerse yourself in the enchanting underwater world of Apra Harbor, where sloping corals, abundant anemones, and a breathtaking array of fish species await. Prepare to be amazed as resident Green Sea Turtles grace your dives, adding an extra touch of wonder to your underwater adventure. Please remember to admire these magnificent creatures from a respectful distance and refrain from chasing or attempting to touch them.
Conveniently situated along Orote Point Road in the Sånta Rita-Sumai Municipality of Guam, Apra Harbor is the perfect spot for both diving and snorkeling enthusiasts. Whether you're looking to explore vibrant corals or simply bask in the beauty of this natural marine haven, Apra Harbor has it all.
So, gear up and get ready to embark on an unforgettable diving experience at Apra Harbor. Discover the wonders of this exceptional underwater paradise, leaving with memories that will last a lifetime.
Immerse yourself in the enchanting underwater world of Apra Harbor, where sloping corals, abundant anemones, and a breathtaking array of fish species await. Prepare to be amazed as resident Green Sea Turtles grace your dives, adding an extra touch of wonder to your underwater adventure. Please remember to admire these magnificent creatures from a respectful distance and refrain from chasing or attempting to touch them.
Conveniently situated along Orote Point Road in the Sånta Rita-Sumai Municipality of Guam, Apra Harbor is the perfect spot for both diving and snorkeling enthusiasts. Whether you're looking to explore vibrant corals or simply bask in the beauty of this natural marine haven, Apra Harbor has it all.
So, gear up and get ready to embark on an unforgettable diving experience at Apra Harbor. Discover the wonders of this exceptional underwater paradise, leaving with memories that will last a lifetime.
Diving Conditions Score for Finger Reef
6.5
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Finger Reef
Depth
19m
Visibility
14m
Experience Level
beginner
Weather Conditions for Finger Reef
Wave Height
0.94m
Wind Speed
15.8 m/s
Water Temp
29.9°C
Visibility
2.84km
Cloud Cover
100%
Wave Period
6.65s
Air Temperature
25°C
Precipitation
0.6 mm
Detailed 7-Day Diving Forecast for Finger Reef
Alpha
Dive Score Chart for Finger Reef
Best time to dive: 8:00 with score 7.056382152230972/10. Water conditions: Waves 0.88m, Wind 17 m/s.Best night dive time: 3:00 with score 6.617077858880778/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Finger Reef: 06:00
Sunset at Finger Reef: 18:00
Optimal diving conditions at Finger 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.
Best Overall
8:00Score: 7.1/10
Waves: 0.88m (6.35s), Wind: 17 m/s
Best Night
3:00Score: 6.6/10
Waves: 0.8m, Wind: 12.6 m/s
Seasonal Analysis for Finger ReefAlpha
Historical patterns and best seasons for diving at Finger 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 Finger Reef
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 Finger Reef
January
Score: 9.5
February
Score: 9.4
November
Score: 9.4
Ideal Conditions for Finger 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 Finger Reef
Finger 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 - Jun 18, 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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