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João Vieira and Poilão Marine National Park

Guinea-Bissau
sea
5 Dive Sites
0 Dive Centers
Dive into the protected waters of João Vieira and Poilão Marine National Park, a vital sanctuary within the Bijagos Archipelago. This critical nesting ground for West African sea turtles, especially the endangered green turtle, promises an unforgettable encounter with rich marine biodiversity in a pristine environment.
Best Time to Dive
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
28°C 29°C 30°C 31°C 31°C 30°C 29°C 29°C 30°C 30°C 29°C 28°C
Peak Season February, March, October, November
Jan Good visibility, potential for turtle nesting.
Feb Excellent visibility, peak turtle nesting season.
Mar Continued turtle nesting, warmer waters.
Apr Warming waters, possibility of juvenile turtles.
More monthly highlights
May Start of the rainy season, visibility decreases.
Jun Rainy season, reduced visibility, potential for strong currents.
Jul Peak rainy season, limited diving opportunities.
Aug End of rainy season, visibility slowly improving.
Sep Post-rainy season, visibility improving, marine life returning.
Oct Good visibility, start of manta ray season.
Nov Peak manta ray season, excellent visibility.
Dec Continued manta ray sightings, good diving conditions.
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Dive Sites in João Vieira and Poilão Marine National Park

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Poilão Turtle Nesting Beach

Poilão Turtle Nesting Beach offers a serene, shallow dive renowned for its significant green sea tur...

12m 10 species
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João Vieira Reef

João Vieira Reef is a visually stunning coral garden teeming with a vibrant array of marine life, in...

25m 10 species
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Ilhéu das Rolas Dropoff

Experience the thrill of a dramatic wall dive at Ilhéu das Rolas, where the seabed plunges into the...

40m 10 species
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Meio Island Reef

Meio Island Reef offers a serene underwater garden, perfect for a leisurely exploration of vibrant c...

18m 10 species
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Cavalos Island Caverns

Venture into the mysterious underwater caverns off Cavalos Island for a truly unique diving adventur...

35m 10 species
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Dive Centers in João Vieira and Poilão Marine National Park

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