
Africa › Tanzania › Zanzibar
Big Wall
40 mMax Depth
BoatEntry
2Species
Conditions Summary
Model forecast · local time (GMT+3)
Model conditions signal71/100
Waves
1.3 m
7.8 s
Swell
1.3 m
6.9 s
Current speed
1.0 km/h
flowing toward NW
Water temperature
27.4°C
Wind
21.1 km/h
→ SE
Sea level
0.2 m
rising
WavesChallenging
SwellWatch
Current speedCalm
Forecast Overview
Sun, Oct 18Challenging
Waves1.3–1.4 mCurrent speed1.0 km/h maxWater temperature27.2°C
Mon, Oct 19Challenging
Waves1.2–1.4 mCurrent speed1.3 km/h maxWater temperature27.3°C
Tue, Oct 20Challenging
Waves1.2–1.2 mCurrent speed1.4 km/h maxWater temperature27.3°C
TodayChallenging
Waves1.0–1.2 mCurrent speed1.3 km/h maxWater temperature27.4°C
Next 72 hours
Catalog depth40 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.
Explore nearby centers on the map
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Dive Types
DriftSalt Water
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
Jackfish
From site catalogue
Napoleon fish
From site catalogue
Amphiprion akallopisos
Nearby OBIS observations6
Chaetodon kleinii
Nearby OBIS observations5
Chaetodon trifasciatus
Nearby OBIS observations5
Taenianotus triacanthus
Nearby OBIS observations5
Gymnothorax griseus
Nearby OBIS observations4
Myrichthys colubrinus
Nearby OBIS observations4
Tursiops aduncus
Nearby OBIS observations4
Abudefduf vaigiensis
Nearby OBIS observations3
Acanthurus leucosternon
Nearby OBIS observations3
Lutjanus kasmira
Nearby OBIS observations3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
OBIS source →Photos

