Tumbatu Island

Small Zanzibar island with Swahili ruins and mangroves

Off Unguja's northwest coast, Tumbatu Island preserves Swahili fishing communities, mangrove coasts and coral reefs; visitors find rustic homestays, snorkeling and cultural encounters rather than large resorts.

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Tumbatu at a Glance#

Address: Tumbatu Island, Unguja North Region, Zanzibar, Tanzania

Admission: Free (island).

About Tumbatu#

Tumbatu is a small inhabited island off the northwest coast of Unguja (Zanzibar), within Tanzania’s Zanzibar archipelago and administratively part of Unguja North Region. The island is separated from Unguja by a narrow channel and is home to local fishing communities.

The island has few tourist facilities and is principally visited for its local culture, fishing villages and quiet coastal scenery; most visitors arrive by small boat for day trips rather than overnight resort stays. Commercial development is limited compared with Zanzibar’s main tourist hubs.

Tumbatu sits off Unguja’s northwest shore in the Zanzibar archipelago in the Indian Ocean. Access is by local boat services from the main island; the island’s shoreline is low-lying with mangrove and reef in places.

  • Access and facilities: Ferry access is by small local boats rather than large car ferries, and facilities on the island are limited so visitors should bring supplies for day trips.
  • Local character: The island is inhabited and retains traditional local lifestyles, making it of interest for cultural day visits rather than resort-style tourism.

Tips for Visiting Tumbatu#

  • Take a morning boat from the north Zanzibar coast (Nungwi area) for calm seas and best snorkeling conditions around Tumbatu.
  • Be mindful when visiting villages on Tumbatu-it is inhabited and conservative, so ask permission before photographing residents and dress modestly in village areas.
  • Most day trips focus on beaches; hire a local boatman who knows the good snorkeling spots and tidal conditions to get the most out of a short visit.

Best Time to Visit Tumbatu#

Tumbatu is best visited during the dry months (June-September, or January-February) for the most reliable beach and sea conditions.

Long dry season (best for beaches)
June-September · 25-31°C
Drier, sunnier weather ideal for beaches, boat trips and snorkeling; sea conditions are generally calm and travel between islands is most reliable.
Short dry season
January-February · 25-31°C
A second, shorter window of drier weather good for coastal activities and exploring the island with fewer heavy rains.
Long rains
March-May · 24-30°C
Heavier, more frequent rains that can disrupt boat schedules and outdoor plans; many mornings remain fine but expect regular downpours.

Weather & Climate near Tumbatu#

Climate

Tumbatu's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 21°C to 32°C. Abundant rainfall (1524 mm/year), wettest in April.

Air Quality: AQI 52 Moderate
Best Time to Visit
SeptemberJulyAugust
Temperature & Rainfall
Temperature Range
32°
Warmest Month
22°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Very Good 24° - 32° 32° 67 mm partly cloudy 77% 4.6 m/s 2.6 extreme 12.3h
February Excellent 24° - 32° 32° 58 mm some cloud 76% 3.4 m/s 2.8 extreme 12.2h
March Good 24° - 32° 32° 162 mm partly cloudy 76% 2.7 m/s 2.6 extreme 12.0h
April Very Good 24° - 30° 30° 333 mm partly cloudy 79% 3.5 m/s 2.1 extreme 11.9h
May Very Good 23° - 30° 26° 268 mm partly cloudy 79% 4.0 m/s 1.8 very high 11.8h
June Excellent 22° - 29° 26° 76 mm partly cloudy 76% 3.6 m/s 1.8 very high 11.7h
July Excellent 21° - 29° 25° 63 mm partly cloudy 74% 4.0 m/s 1.8 very high 11.7h
August Excellent 21° - 28° 25° 75 mm some cloud 74% 3.8 m/s 2.1 extreme 11.8h
September Excellent 21° - 29° 25° 64 mm some cloud 74% 3.1 m/s 2.4 extreme 12.0h
October Excellent 22° - 30° 26° 82 mm some cloud 74% 3.7 m/s 2.5 extreme 12.1h
November Excellent 23° - 31° 27° 140 mm some cloud 75% 3.7 m/s 2.5 extreme 12.3h
December Very Good 24° - 32° 31° 136 mm some cloud 76% 3.6 m/s 2.6 extreme 12.3h