Guinea-Bissau
João Vieira
About this Dive Site
Description
João Vieira is a treasure trove of biodiversity within the Bijagos Archipelago, boasting stunning underwater topography and a rich marine ecosystem. While known for its general abundance, the site is particularly renowned for offering unique opportunities to witness the incredible spectacle of turtle hatching during the right season.
Best Time to Dive
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27°C | 28°C | 29°C | 30°C | 31°C | 30°C | 29°C | 29°C | 29°C | 28°C | 27°C | 27°C |
Peak Season
March, April, January, February, May, September, October, November, December
Jan
Good visibility, potential for whale sharks
Feb
Good visibility, potential for whale sharks
Mar
Excellent visibility, peak whale shark season
Apr
Excellent visibility, whale shark sightings continue
More monthly highlights
May
Start of plankton blooms, potential for manta rays
Jun
Plankton blooms, potential for reduced visibility
Jul
Plankton blooms, potential for reduced visibility
Aug
End of rainy season, visibility improving
Sep
Visibility improving, potential for manta rays
Oct
Manta ray season begins
Nov
Manta ray season
Dec
Manta ray season continues, good visibility
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