Octopus Reef
Located near Uruno Point in the North, this dive site offers a range of exciting features, including surge channels, vertical walls, tunnels, and a steep amphitheater-shaped slope. Divers can explore depths ranging from 15 to 110 feet, surrounded by crystal clear waters teeming with diverse marine life. This site is accessible only by boat during the summer months and is typically done as a drift dive.
One of the highlights here is spotting numerous octopus, along with majestic wrasses, parrotfish, and a variety of schooling fish. The reef is also home to eels and occasional pelagic visitors. With a visibility of approximately 20 meters and a maximum depth of 29 meters, this dive site is suitable for both beginner and advanced divers.
Get ready for an unforgettable diving experience in the United States, specifically Guam, as you explore the vibrant underwater world of the North site near Uruno Point.
One of the highlights here is spotting numerous octopus, along with majestic wrasses, parrotfish, and a variety of schooling fish. The reef is also home to eels and occasional pelagic visitors. With a visibility of approximately 20 meters and a maximum depth of 29 meters, this dive site is suitable for both beginner and advanced divers.
Get ready for an unforgettable diving experience in the United States, specifically Guam, as you explore the vibrant underwater world of the North site near Uruno Point.
Diving Conditions Score for Octopus Reef
7.2
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Octopus Reef
Depth
29m
Visibility
20m
Experience Level
beginner
advanced
Weather Conditions for Octopus Reef
Wave Height
0.9m
Wind Speed
10.1 m/s
Water Temp
29.6°C
Visibility
6.92km
Cloud Cover
100%
Wave Period
6.8s
Air Temperature
27°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Octopus Reef
Alpha
Dive Score Chart for Octopus Reef
Best time to dive: 11:00 with score 7.562780392156863/10. Water conditions: Waves 0.9m, Wind 10.5 m/s.Best night dive time: 20:00 with score 7.61751134751773/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Octopus Reef: 06:00
Sunset at Octopus Reef: 18:00
Optimal diving conditions at Octopus 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
20:00Score: 7.6/10
Waves: 0.78m (7.05s), Wind: 6.5 m/s
Safest Overall
12:00Score: 7.5/10
Waves: 0.9m (6.8s), Wind: 9.4 m/s
Best Day
11:00Score: 7.6/10
Waves: 0.9m, Wind: 10.5 m/s
Seasonal Analysis for Octopus ReefAlpha
Historical patterns and best seasons for diving at Octopus 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 Octopus Reef
Winter
Avg. Score: 9.3/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Octopus Reef
February
Score: 9.4
January
Score: 9.3
March
Score: 9.2
Ideal Conditions for Octopus Reef
Water Temp
27.1°C / 80.8°F
May
Visibility
10.5m / 34.4ft
May
Wave Height
1.6m / 5.2ft
September
Wave Period
8.0s
January
Seasonal Insights for Octopus Reef
Octopus Reef shows typical northern hemisphere patterns with June being the warmest month (27.3°C) and January the coldest (22.4°C). The calmest conditions typically occur in September with average wave heights of 1.6m 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 1.1mm 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 20, 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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