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Tumbatu Lagoon

Tumbatu Lagoon boasts an average depth ranging from 2 to 18 meters. Located in the enchanting Magic Island in the northern part of Zanzibar, this diving spot treats divers to a magnificent wall of coral on the west side of Tumbatu Island. Considered the most vibrant and thriving coral reef in Zanzibar, it's a haven for an array of marine life.

Divers exploring the depths of Tumbatu Lagoon will encounter a plethora of captivating sights. Hard corals create a breathtaking backdrop, while graceful turtles gracefully glide through the waters. The curious cuttlefish, majestic rays, and a variety of vibrant fish species, such as moray eels, scorpion and lionfish, butterfly fish, mantas, peacock shrimps, and sea stars, complete the underwater tapestry.

With a visibility of 11 meters and a maximum depth of 16 meters, Tumbatu Lagoon offers an immersive diving experience for advanced divers. Located in Tanzania, specifically Kaskazini A, Zanzibar North, Zanzibar, Tanzania, this site is in close proximity to other captivating diving locations in the area.

Indulge in the wonders of Tumbatu Lagoon, where the vibrant coral reef and diverse marine life await. Whether you're an experienced diver or seeking to challenge your skills, this jewel of Zanzibar is a must-visit destination for underwater enthusiasts.

Diving Conditions Score for Tumbatu Lagoon

7.9
Good

Good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Tumbatu Lagoon

Depth

16m

Visibility

11m

Experience Level

advanced

Weather Conditions for Tumbatu Lagoon

Wave Height

0.46m

Wind Speed

14.1 m/s

Water Temp

27.1°C

Visibility

34.46km

Cloud Cover

5%

Wave Period

3.5s

Air Temperature

23.2°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Tumbatu Lagoon
Alpha

Dive Score Chart for Tumbatu Lagoon

Best time to dive: 17:00 with score 8.051562869198312/10. Water conditions: Waves 0.52m, Wind 13 m/s.Best night dive time: 18:00 with score 7.672866255144033/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Tumbatu Lagoon: 06:00
Sunset at Tumbatu Lagoon: 18:00

Optimal diving conditions at Tumbatu Lagoon are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.

🌞
Best Overall
17:00

Score: 8.1/10
Waves: 0.52m (3.95s), Wind: 13 m/s

🌙
Best Night
18:00

Score: 7.7/10
Waves: 0.52m, Wind: 13.7 m/s

Seasonal Analysis for Tumbatu Lagoon
Alpha

Historical patterns and best seasons for diving at Tumbatu Lagoon

The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.

Monthly Dive Score Analysis - Seasonal Diving Conditions

Higher values indicate better diving conditions

Seasonal DiveScore Chart

This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.

Higher values indicate better diving conditions

Best Season for Tumbatu Lagoon

Summer

Avg. Score: 9.6/10

Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.

Best Months for Tumbatu Lagoon

June
Score: 9.6
July
Score: 9.6
May
Score: 9.5

Ideal Conditions for Tumbatu Lagoon

Water Temp

Thermometer Emoji

26.0°C / 78.8°F

March

Visibility

Telescope Emoji

11.6m / 38.1ft

December

Wave Height

Wave Emoji

1.6m / 5.2ft

April

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Tumbatu Lagoon

Tumbatu Lagoon follows southern hemisphere patterns with March being the warmest month (26.0°C) and October the coldest (22.4°C). The calmest conditions typically occur in April with average wave heights of 1.6m and wave periods of 8.0s. The most comfortable wave conditions are in April with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). February is usually the driest month with 0.4mm of precipitation. For beginners, the best time to visit would be during April to June, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 23, 2026

Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.

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