Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô

Nature Reserve Marine archipelago with rich biodiversity and traditional communities

An archipelago off Guinea‑Bissau featuring mangroves, tidal flats and numerous islands where traditional fishing and rice cultivation persist. Visitors come for wildlife boat trips, sea‑turtle nesting seasons and encounters with Bijagó island communities.

The Coastal and Marine Ecosystems of the Bijagós Archipelago are a UNESCO‑recognised cluster of islands off the coast of Guinea‑Bissau, noted for extensive mangroves, tidal flats and seagrass beds. The archipelago supports important marine and coastal biodiversity alongside distinctive local cultures.

Boat trips and guided island visits provide access to sandy beaches, mangrove channels and intertidal habitats where visitors can observe waterbirds, estuarine life and seasonal marine fauna. Cultural visits highlight the traditional Bijagó communities whose livelihoods and ritual life are closely linked to the islands and coastal resources.

The islands have long been inhabited by the Bijagó people, who maintain distinctive cultural practices and seasonal movements tied to fishing and shellfish gathering. International recognition reflects the combined ecological value of the coastal systems and the cultural landscapes shaped by local communities.

The archipelago lies off the Atlantic coast of Guinea‑Bissau in the Bolama region, west of the mainland and scattered across the coastal shelf. Access is by boat from regional ports and nearby mainland villages.

  • Islands count: Comprises a large, interlinked system of islands and islets numbering around 88, with extensive mangroves, seagrass beds and tidal flats.
  • Coastal wildlife: Important nesting and feeding habitat for marine turtles and a diversity of waterbirds and coastal fauna.
Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô
11.1200, -15.9489

How to Get to Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô #

Access is by boat from the mainland port of Bissau or by regional air services to some islands’ airstrips; local operators run scheduled and chartered services-arrange transport in advance.

Tips for Visiting Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô #

  • Use local boat operators to visit islands-schedule and routes vary and local captains know safe channels.
  • Respect fishing seasons and local community rules-Bijagós islands are inhabited with traditional practices.
  • Support local eco-initiatives and community-run lodges where possible; conservation funding is often limited.

Best Time to Visit Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô #

Visit in the dry season for more reliable sea conditions and easier island-hopping; wet season has strong wildlife interest but less predictable transport.

Dry season (Nov-May)
November-May · 24-30°C
Calmer seas and easier island access; better for boat travel and wildlife viewing.
Wet season (Jun-Oct)
June-October · 24-28°C
Rain and rougher seas; many nesting birds and marine life active but travel can be disrupted.

Weather & Climate near Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô #

Climate

Coastal and Marine Ecosystems of the Bijagós Archipelago – Omatí Minhô's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 18°C to 34°C. Heavy rainfall (2320 mm/year), wettest in August with a pronounced dry season.

Air Quality: AQI 85 Moderate
Best Time to Visit
FebruaryMarchJanuary
Temperature & Rainfall
Temperature Range
31°
Warmest Month
20°
Coldest Month
Monthly Conditions

January

January is warm with highs of 32°C and lows of 18°C. The driest month with just 0 mm and mostly sunny skies.

87 Excellent

Comfort

25°
Feels Like Warm
25°C
Temperature
18° 32°
67%
Humidity
Humid

Weather

0 mm
Rainfall
2.5 m/s
Wind
Calm
1.8
UV Index
Very High
11.4h daylight

February

February is warm with highs of 33°C and lows of 19°C. Almost no rain and mostly sunny skies.

89 Excellent

Comfort

26°
Feels Like Warm
26°C
Temperature
19° 33°
71%
Humidity
Very Humid

Weather

1 mm
Rainfall
2.4 m/s
Wind
Calm
2.0
UV Index
Extreme
11.7h daylight

March

March is warm with highs of 34°C and lows of 20°C. The driest month with just 0 mm and mostly sunny skies.

89 Excellent

Comfort

27°
Feels Like Warm
27°C
Temperature
20° 34°
76%
Humidity
Very Humid

Weather

0 mm
Rainfall
2.6 m/s
Wind
Calm
2.4
UV Index
Extreme
12.0h daylight

April

April is hot, feeling like 30°C due to high humidity. The driest month with just 0 mm and mostly sunny skies.

87 Excellent

Comfort

31°
Feels Like Hot
27°C
Temperature
21° 34°
78%
Humidity
Very Humid

Weather

0 mm
Rainfall
2.6 m/s
Wind
Calm
2.5
UV Index
Extreme
12.3h daylight

May

May is the hottest month, feeling like 32°C due to high humidity. Light rainfall.

83 Excellent

Comfort

32°
Feels Like Hot
28°C
Temperature
23° 33°
79%
Humidity
Very Humid

Weather

19 mm
Rainfall
2.5 m/s
Wind
Calm
2.3
UV Index
Extreme
12.5h daylight

June

June is hot, feeling like 31°C with oppressive humidity. Heavy rain (219 mm) and partly cloudy skies.

61 Good

Comfort

31°
Feels Like Hot
27°C
Temperature
23° 32°
82%
Humidity
Very Humid

Weather

219 mm
Rainfall
2.5 m/s
Wind
Calm
2.0
UV Index
Very High
12.7h daylight

July

July is warm with stifling humidity (dew point 24°C). Heavy rain (628 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 30°
85%
Humidity
Very Humid

Weather

628 mm
Rainfall
2.4 m/s
Wind
Calm
1.8
UV Index
Very High
12.6h daylight

August

August is warm with stifling humidity (dew point 24°C). The wettest month with heavy rain (719 mm) and mostly overcast skies.

63 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 29°
86%
Humidity
Very Humid

Weather

719 mm
Rainfall
2.2 m/s
Wind
Calm
1.8
UV Index
Very High
12.4h daylight

September

September is warm with stifling humidity (dew point 24°C). Heavy rain (439 mm) and mostly overcast skies.

65 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 30°
85%
Humidity
Very Humid

Weather

439 mm
Rainfall
2.0 m/s
Wind
Calm
1.9
UV Index
Very High
12.1h daylight

October

October is hot, feeling like 30°C with oppressive humidity. Heavy rain (253 mm) and partly cloudy skies.

65 Good

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
81%
Humidity
Very Humid

Weather

253 mm
Rainfall
2.1 m/s
Wind
Calm
1.9
UV Index
Very High
11.8h daylight

November

November is hot, feeling like 29°C due to high humidity. Moderate rainfall (39 mm) and mostly sunny skies.

83 Excellent

Comfort

29°
Feels Like Hot
27°C
Temperature
22° 33°
72%
Humidity
Very Humid

Weather

39 mm
Rainfall
1.8 m/s
Wind
Calm
1.8
UV Index
Very High
11.5h daylight

December

December is warm with highs of 32°C and lows of 19°C. Almost no rain and mostly sunny skies.

87 Excellent

Comfort

26°
Feels Like Warm
26°C
Temperature
19° 32°
68%
Humidity
Humid

Weather

3 mm
Rainfall
2.1 m/s
Wind
Calm
1.7
UV Index
Very High
11.3h daylight

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