Oceania › Cook Islands

Dive Rarotonga

8–25 mMax Depth

boatEntry

63Species

Conditions Summary

Model forecast · local time (GMT-10)

Model conditions signal62/100

Waves

2.5 m

10.1 s

Swell

2.1 m

9.1 s

Current speed

0.5 km/h

flowing toward SW

Water temperature

24.2°C

Wind

24.2 km/h

→ S

Sea level

0.6 m

falling

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves2.3–2.5 mCurrent speed0.6 km/h maxWater temperature24.3°C

TodayChallenging

Waves2.4–2.6 mCurrent speed0.6 km/h maxWater temperature24.3°C

TomorrowChallenging

Waves2.3–2.6 mCurrent speed0.7 km/h maxWater temperature24.4°C

Fri, Oct 23Challenging

Waves2.4–2.7 mCurrent speed0.4 km/h maxWater temperature24.4°C

Next 72 hours

08:00

Waves: 2.5 m

Current speed: 0.5 km/h

Water temperature: 24.2°C

14:00

Waves: 2.4 m

Current speed: 0.6 km/h

Water temperature: 24.3°C

20:00

Waves: 2.3 m

Current speed: 0.4 km/h

Water temperature: 24.3°C

02:00

Waves: 2.4 m

Current speed: 0.2 km/h

Water temperature: 24.3°C

08:00

Waves: 2.4 m

Current speed: 0.0 km/h

Water temperature: 24.3°C

14:00

Waves: 2.4 m

Current speed: 0.4 km/h

Water temperature: 24.4°C

20:00

Waves: 2.5 m

Current speed: 0.5 km/h

Water temperature: 24.3°C

02:00

Waves: 2.6 m

Current speed: 0.7 km/h

Water temperature: 24.3°C

08:00

Waves: 2.5 m

Current speed: 0.5 km/h

Water temperature: 24.4°C

14:00

Waves: 2.4 m

Current speed: 0.4 km/h

Water temperature: 24.5°C

20:00

Waves: 2.3 m

Current speed: 0.3 km/h

Water temperature: 24.4°C

02:00

Waves: 2.5 m

Current speed: 0.4 km/h

Water temperature: 24.4°C

Catalog depth8–25 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

Apr-Oct

Peak month

Mar 27.6°

Jan27.1°

Feb27.5°

Mar27.6°

Apr27.3°

May26.3°

Jun25.4°

Jul24.7°

Aug24.4°

Sep24.4°

Oct24.8°

Nov25.6°

Dec26.5°

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

reefsalt Waterbeginner 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

Parrotfish

Thalassoma lutescens

DeepLog12

Convict surgeonfish

Acanthurus triostegus

DeepLog6

Holothuroids

Actinopyga varians

DeepLog6

Moorish idol

Zanclus cornutus

DeepLog6

Pacific blue seastar

Linckia laevigata

DeepLog6

Bluestreak cleaner wrasse

Labroides dimidiatus

DeepLog5

Rock-boring urchin

Echinometra mathaei

DeepLog5

White threads fish

Holothuria leucospilota

DeepLog5

Brown surgeonfish

Acanthurus nigrofuscus

DeepLog4

Clown coris

Coris aygula

DeepLog4

Netted pufferfish

Canthigaster solandri

DeepLog4

Speckled butterflyfish

Chaetodon citrinellus

DeepLog4

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

DeepLog + OBIS →

Photos