Tanzania

Big Wall

15–40 mMax Depth

boatEntry

23Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal61/100

Waves

1.3 m

8.1 s

Swell

1.2 m

6.8 s

Current speed

1.8 km/h

flowing toward NW

Water temperature

27.5°C

Wind

18.4 km/h

→ E

Sea level

0.3 m

falling

WavesChallenging

SwellWatch

Current speedWatch

Forecast Overview

Tue, Oct 20Challenging

Waves1.3–1.3 mCurrent speed2.1 km/h maxWater temperature27.3°C

TodayChallenging

Waves1.0–1.2 mCurrent speed1.8 km/h maxWater temperature27.3°C

TomorrowWatch

Waves1.0–1.0 mCurrent speed1.8 km/h maxWater temperature27.3°C

Fri, Oct 23Watch

Waves0.9–1.0 mCurrent speed1.7 km/h maxWater temperature27.3°C

Next 72 hours

15:00

Waves: 1.3 m

Current speed: 1.8 km/h

Water temperature: 27.5°C

21:00

Waves: 1.3 m

Current speed: 1.8 km/h

Water temperature: 27.2°C

03:00

Waves: 1.2 m

Current speed: 1.2 km/h

Water temperature: 27.1°C

09:00

Waves: 1.1 m

Current speed: 1.2 km/h

Water temperature: 27.1°C

15:00

Waves: 1.0 m

Current speed: 1.6 km/h

Water temperature: 27.7°C

21:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 27.4°C

03:00

Waves: 1.0 m

Current speed: 1.2 km/h

Water temperature: 27.2°C

09:00

Waves: 1.0 m

Current speed: 1.0 km/h

Water temperature: 27.2°C

15:00

Waves: 1.0 m

Current speed: 1.7 km/h

Water temperature: 27.7°C

21:00

Waves: 1.0 m

Current speed: 1.8 km/h

Water temperature: 27.4°C

03:00

Waves: 1.0 m

Current speed: 1.2 km/h

Water temperature: 27.2°C

09:00

Waves: 0.9 m

Current speed: 1.2 km/h

Water temperature: 27.2°C

Catalog depth15–40 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Oct-Mar

Peak month

Mar 29.2°

Jan28.2°

Feb28.5°

Mar29.2°

Apr28.9°

May28.0°

Jun26.9°

Jul25.9°

Aug25.5°

Sep25.8°

Oct26.6°

Nov27.7°

Dec28.4°

Current: moderate

Typical visibility: 15 m

Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.

Explore nearby centers on the map

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Dive Types

wallsalt Waterintermediate Difficulty

Questions to ask a local operator

What are today's current, visibility, entry, and exit conditions?
Does the planned route stay within my certification and recent experience?
Are there local permits, conservation rules, or equipment requirements?

Common Species

12 km · nearby observations

Acanthaster mauritiensis

DeepLog2

Threespot dascyllus

Dascyllus trimaculatus

DeepLog2

African chromodoris

Chromodoris africana

DeepLog1

African coris

Coris cuvieri

DeepLog1

Common egg cowry

Ovula ovum

DeepLog1

Doublebar goatfish

Parupeneus trifasciatus

DeepLog1

Fried egg sea slug

Colpodaspis thompsoni

DeepLog1

Indo-Pacific sergeant

Abudefduf vaigiensis

DeepLog1

Nardoa variolata

DeepLog1

Neotrygon indica

DeepLog1

Pink pillow blue

Culcita schmideliana

DeepLog1

Pinufius rebus

DeepLog1

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos