Madagascar
Castor Bank
About this Dive Site
Description
Castor Bank is an extraordinary seamount that dramatically rises from the abyss to a shallow plateau, creating a pelagic hotspot. Dive here for a chance to witness a thrilling array of sharks, swift tunas, elusive swordfish, and the occasional majestic whale shark or manta ray.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°C | 30°C | 30°C | 29°C | 28°C | 27°C | 26°C | 26°C | 27°C | 28°C | 29°C | 30°C |
Peak Season
May, June, July, January, April, August, September
Jan
Warm waters, good visibility, potential for manta rays.
Feb
Rainy season continues, visibility can be affected by rainfall.
Mar
End of the rainy season, visibility improving.
Apr
Post-rainy season clarity, excellent diving conditions.
More monthly highlights
May
Peak season for visibility and marine life, including whale sharks.
Jun
Excellent visibility, ideal for whale shark and manta ray encounters.
Jul
Cooler, but visibility remains excellent. Whale shark season.
Aug
Good visibility, continued whale shark sightings.
Sep
Warming waters, good for spotting pelagic species.
Oct
Manta ray season begins, plankton blooms can occur.
Nov
Manta ray season, visibility can be affected by plankton.
Dec
Rainy season begins, visibility can be reduced.
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