Cook Islands
Shark Alley
About this Dive Site
Description
Experience the thrill of Shark Alley, a renowned dive site on Palmerston Atoll where encounters with reef sharks, including white-tip and black-tip varieties, are common. Navigate the sandy channel flanked by coral structures and witness these apex predators in their natural, awe-inspiring habitat within the Cook Islands' rich waters.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°C | 30°C | 30°C | 29°C | 29°C | 28°C | 28°C | 28°C | 28°C | 29°C | 29°C | 30°C |
Peak Season
March, April, May, January, February, June, July, August, September
Jan
Good visibility within the lagoon. Potential for offshore whale sightings.
Feb
Excellent visibility within the protected lagoon, ideal for exploring coral gardens.
Mar
Peak visibility, calm lagoon waters, abundant fish life.
Apr
Exceptional visibility, start of manta ray season. Calm seas.
More monthly highlights
May
Manta ray season in full swing, abundant marine life within the lagoon and outer reefs.
Jun
End of manta ray season, still good chances to see them. Humpback whales may still be present offshore.
Jul
Calm lagoon conditions, excellent for exploring the diverse coral formations and marine life.
Aug
Stable conditions, ideal for snorkeling and diving within the atoll.
Sep
Continued good diving conditions, potential for early humpback whale sightings offshore.
Oct
Visibility can decrease slightly due to increased plankton. Start of humpback whale season.
Nov
Humpback whale season, potential for offshore sightings. Increased plankton can affect visibility.
Dec
Humpback whale season continues. Visibility can be variable.
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