Oceania › Micronesia

Rio de janeiro Maru

28–35 mMax Depth

boatEntry

29Species

Conditions Summary

Model forecast · local time (GMT+10)

Model conditions signal91/100

Waves

0.8 m

6.5 s

Swell

0.4 m

5.7 s

Current speed

0.5 km/h

flowing toward NE

Water temperature

29.5°C

Wind

18.2 km/h

→ NE

Sea level

0.5 m

WavesWatch

SwellCalm

Current speedCalm

Planning window

15:15–15:00

Calmest model window

Forecast Overview

Tue, Oct 20Watch

Waves0.8–0.8 mCurrent speed1.4 km/h maxWater temperature29.4°C

TodayWatch

Waves0.7–0.8 mCurrent speed1.2 km/h maxWater temperature29.4°C

TomorrowWatch

Waves0.7–1.2 mCurrent speed1.8 km/h maxWater temperature29.3°C

Fri, Oct 23Challenging

Waves1.1–1.1 mCurrent speed2.1 km/h maxWater temperature29.2°C

Next 72 hours

15:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 29.5°C

21:00

Waves: 0.8 m

Current speed: 1.2 km/h

Water temperature: 29.4°C

03:00

Waves: 0.8 m

Current speed: 0.9 km/h

Water temperature: 29.2°C

09:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 29.3°C

15:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 29.7°C

21:00

Waves: 0.7 m

Current speed: 0.7 km/h

Water temperature: 29.4°C

03:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 29.3°C

09:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 29.3°C

15:00

Waves: 0.9 m

Current speed: 1.0 km/h

Water temperature: 29.3°C

21:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 29.2°C

03:00

Waves: 1.1 m

Current speed: 2.1 km/h

Water temperature: 29.2°C

09:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 29.2°C

Catalog depth28–35 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Nov-May

Peak month

Sep 29.5°

Jan28.5°

Feb28.3°

Mar28.5°

Apr28.8°

May29.1°

Jun29.3°

Jul29.3°

Aug29.3°

Sep29.5°

Oct29.5°

Nov29.3°

Dec28.9°

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

wreckdeepsalt Wateradvanced 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

Sapphire damsel

Pomacentrus pavo

DeepLog5

Blacktail snapper

Lutjanus fulvus

DeepLog4

Barcheek trevally

Craterognathus plagiotaenia

DeepLog2

Blue sea chub

Kyphosus cinerascens

DeepLog2

Rivulated parrotfish

Scarus rivulatus

DeepLog2

Striated surgeonfish

Ctenochaetus striatus

DeepLog2

Wrasse

Oxycheilinus celebicus

DeepLog2

Bigeye trevally

Caranx sexfasciatus

DeepLog1

Bluefin trevally

Caranx melampygus

DeepLog1

Blue green damselfish

Chromis viridis

DeepLog1

Brownstripe red snapper

Lutjanus vitta

DeepLog1

Camouflage grouper

Epinephelus polyphekadion

DeepLog1

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

DeepLog + OBIS →

Photos