Tanzania

Jina Reef

5–25 mMax Depth

boatEntry

4Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal71/100

Waves

1.3 m

6.6 s

Swell

1.0 m

7.2 s

Current speed

0.9 km/h

flowing toward N

Water temperature

27.2°C

Wind

17.6 km/h

→ E

Sea level

0.4 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.3–1.3 mCurrent speed1.1 km/h maxWater temperature27.1°C

TodayChallenging

Waves1.2–1.3 mCurrent speed1.4 km/h maxWater temperature27.2°C

TomorrowChallenging

Waves1.0–1.2 mCurrent speed2.1 km/h maxWater temperature27.2°C

Fri, Oct 23Watch

Waves1.0–1.1 mCurrent speed2.1 km/h maxWater temperature27.4°C

Next 72 hours

20:00

Waves: 1.3 m

Current speed: 0.9 km/h

Water temperature: 27.2°C

02:00

Waves: 1.3 m

Current speed: 1.1 km/h

Water temperature: 27.1°C

08:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 27.1°C

14:00

Waves: 1.2 m

Current speed: 1.1 km/h

Water temperature: 27.4°C

20:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 27.2°C

02:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 27.0°C

08:00

Waves: 1.1 m

Current speed: 1.3 km/h

Water temperature: 27.1°C

14:00

Waves: 1.0 m

Current speed: 1.7 km/h

Water temperature: 27.5°C

20:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 27.4°C

02:00

Waves: 1.0 m

Current speed: 1.9 km/h

Water temperature: 27.2°C

08:00

Waves: 1.0 m

Current speed: 1.8 km/h

Water temperature: 27.2°C

14:00

Waves: 1.0 m

Current speed: 2.1 km/h

Water temperature: 27.7°C

Catalog depth5–25 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 29.4°

Jan28.7°

Feb28.8°

Mar29.4°

Apr29.0°

May28.1°

Jun27.0°

Jul26.0°

Aug25.5°

Sep25.8°

Oct26.6°

Nov27.8°

Dec28.7°

Current: mild

Typical visibility: 20 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

reefsalt 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

Jenkins whipray

Pateobatis jenkinsii

DeepLog2

Ribbontail stingray

Taeniura lymma

DeepLog1

Shortfin pygmy devil ray

Mobula kuhlii

DeepLog1

Stony hard coral

Turbinaria stellulata

DeepLog1

Numenius phaeopus

Nearby OBIS observations7

Canthigaster valentini

Nearby OBIS observations4

Chaetodon trifasciatus

Nearby OBIS observations4

Goniobranchus geminus

Nearby OBIS observations4

Halichoeres hortulanus

Nearby OBIS observations4

Taenianotus triacanthus

Nearby OBIS observations4

Amphiprion akallopisos

Nearby OBIS observations3

Amphiprion allardi

Nearby OBIS observations3

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

DeepLog + OBIS →

Photos