Brazil

Rasa Island

14–25 mMax Depth

boatEntry

2Species

Conditions Summary

Model forecast · local time (GMT-3)

Model conditions signal71/100

Waves

1.2 m

7.0 s

Swell

0.9 m

4.8 s

Current speed

1.0 km/h

flowing toward NE

Water temperature

24.4°C

Wind

13.2 km/h

→ S

Sea level

-0.1 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.0–1.3 mCurrent speed1.0 km/h maxWater temperature24.5°C

TodayWatch

Waves1.0–1.1 mCurrent speed0.9 km/h maxWater temperature24.6°C

TomorrowChallenging

Waves1.1–1.5 mCurrent speed1.4 km/h maxWater temperature24.4°C

Fri, Oct 23Challenging

Waves1.4–1.4 mCurrent speed1.3 km/h maxWater temperature24.2°C

Next 72 hours

03:00

Waves: 1.3 m

Current speed: 1.0 km/h

Water temperature: 24.4°C

09:00

Waves: 1.1 m

Current speed: 1.0 km/h

Water temperature: 24.5°C

15:00

Waves: 1.0 m

Current speed: 1.0 km/h

Water temperature: 24.7°C

21:00

Waves: 1.0 m

Current speed: 0.8 km/h

Water temperature: 24.5°C

03:00

Waves: 1.0 m

Current speed: 0.9 km/h

Water temperature: 24.6°C

09:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 24.6°C

15:00

Waves: 1.0 m

Current speed: 0.5 km/h

Water temperature: 24.6°C

21:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 24.6°C

03:00

Waves: 1.2 m

Current speed: 0.4 km/h

Water temperature: 24.5°C

09:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 24.4°C

15:00

Waves: 1.2 m

Current speed: 0.9 km/h

Water temperature: 24.4°C

21:00

Waves: 1.5 m

Current speed: 1.3 km/h

Water temperature: 24.3°C

Catalog depth14–25 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.

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

Mar-Nov

Peak month

Mar 26.1°

Jan24.9°

Feb25.6°

Mar26.1°

Apr26.0°

May24.8°

Jun23.7°

Jul23.0°

Aug22.7°

Sep22.7°

Oct23.2°

Nov24.0°

Dec24.5°

Current: moderate

Typical visibility: 7.5 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

Yellowhead jawfish

Opistognathus aurifrons

DeepLog2

Brazilian dusky jawfish

Opistognathus vicinus

DeepLog1

Acanthurus bahianus

Nearby OBIS observations22

Halichoeres poeyi

Nearby OBIS observations20

Holocentrus adscensionis

Nearby OBIS observations15

Chaetodon striatus

Nearby OBIS observations11

Halichoeres brasiliensis

Nearby OBIS observations11

Abudefduf saxatilis

Nearby OBIS observations9

Acanthurus chirurgus

Nearby OBIS observations9

Haemulon aurolineatum

Nearby OBIS observations9

Malacoctenus delalandii

Nearby OBIS observations9

Cantherhines pullus

Nearby OBIS observations8

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

DeepLog + OBIS →

Photos