Tanzania

Groopers Rock

11–17 mMax Depth

boatEntry

15Species

Conditions Summary

Model forecast · local time (GMT+3)

Model conditions signal71/100

Waves

1.4 m

8.1 s

Swell

1.3 m

6.9 s

Current speed

0.4 km/h

flowing toward W

Water temperature

28.1°C

Wind

12.6 km/h

→ SE

Sea level

0.3 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves1.3–1.4 mCurrent speed0.6 km/h maxWater temperature28.4°C

Tue, Oct 20Challenging

Waves1.3–1.3 mCurrent speed0.6 km/h maxWater temperature28.5°C

TodayChallenging

Waves1.1–1.3 mCurrent speed0.7 km/h maxWater temperature28.6°C

TomorrowChallenging

Waves1.0–1.1 mCurrent speed0.6 km/h maxWater temperature28.6°C

Next 72 hours

04:00

Waves: 1.4 m

Current speed: 0.4 km/h

Water temperature: 28.1°C

10:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 28.2°C

16:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 28.7°C

22:00

Waves: 1.3 m

Current speed: 0.3 km/h

Water temperature: 28.4°C

04:00

Waves: 1.3 m

Current speed: 0.2 km/h

Water temperature: 28.3°C

10:00

Waves: 1.3 m

Current speed: 0.0 km/h

Water temperature: 28.3°C

16:00

Waves: 1.3 m

Current speed: 0.5 km/h

Water temperature: 28.8°C

22:00

Waves: 1.3 m

Current speed: 0.6 km/h

Water temperature: 28.5°C

04:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 28.4°C

10:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 28.5°C

16:00

Waves: 1.1 m

Current speed: 0.7 km/h

Water temperature: 29.0°C

22:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 28.6°C

Catalog depth11–17 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

Jun-Sep

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: 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

pinnaclesalt 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

Protoreaster lincki

DeepLog3

Brittle star

Ophiocoma scolopendrina

DeepLog2

Chalkfish (sea cucumber)

Bohadschia vitiensis

DeepLog2

Paintspotted moray

Gymnothorax pictus

DeepLog2

Disc hydroid

Porpita porpita

DeepLog1

Great barracuda

Sphyraena barracuda

DeepLog1

Lined surgeonfish

Acanthurus lineatus

DeepLog1

Map puffer

Arothron mappa

DeepLog1

Northern spined chiton

Acanthopleura gemmata

DeepLog1

Rippled rockskipper

Istiblennius edentulus

DeepLog1

Rubbery zoanthid

Palythoa tuberculosa

DeepLog1

Sacoglossan

Plakobranchus ocellatus

DeepLog1

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

DeepLog + OBIS →

Photos