Guam
Blue Hole
About this Dive Site
Description
Guam's Blue Hole is a dramatic underwater sinkhole plunging to approximately 60 meters, offering a thrilling descent for experienced divers. After exploring the depths of the sinkhole, divers can transition to a vibrant reef wall adorned with a rich tapestry of corals and sponges. Renowned for its exceptional visibility, this site often rewards divers with sightings of majestic pelagic fish.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29°C | 29°C | 29°C | 30°C | 30°C | 30°C | 30°C | 30°C | 30°C | 29°C | 29°C | 29°C |
Peak Season
March, April, October, November, December
Jan
Good chance to see schooling fish, occasional reef sharks.
Feb
Calm seas, good for exploring wrecks.
Mar
Visibility improves, good for macro photography.
Apr
Warmest water temperatures, abundant marine life.
More monthly highlights
May
Start of warmer season, potential for plankton blooms.
Jun
Increased chance of rain, visibility can be affected.
Jul
Rainy season continues, expect occasional downpours.
Aug
Peak of the rainy season, potential for reduced visibility.
Sep
Rainy season winding down, visibility starts to improve.
Oct
End of rainy season, excellent visibility and calm seas.
Nov
Manta ray season begins, good chance to see them feeding.
Dec
Manta ray season continues, excellent diving conditions.
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