Seychelles

Sister Bank

15–35 mMax Depth

boatEntry

99Species

Conditions Summary

Model forecast · local time (GMT+4)

Model conditions signal71/100

Waves

1.4 m

6.6 s

Swell

0.9 m

7.2 s

Current speed

1.2 km/h

flowing toward SE

Water temperature

29.0°C

Wind

20.5 km/h

→ N

Sea level

0.4 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.4–1.4 mCurrent speed2.0 km/h maxWater temperature29.0°C

TomorrowChallenging

Waves1.1–1.4 mCurrent speed1.4 km/h maxWater temperature29.2°C

Fri, Oct 23Watch

Waves1.0–1.1 mCurrent speed1.6 km/h maxWater temperature29.4°C

Sat, Oct 24Watch

Waves1.0–1.0 mCurrent speed1.6 km/h maxWater temperature29.2°C

Next 72 hours

09:00

Waves: 1.4 m

Current speed: 1.2 km/h

Water temperature: 29.0°C

15:00

Waves: 1.4 m

Current speed: 1.9 km/h

Water temperature: 29.1°C

21:00

Waves: 1.4 m

Current speed: 1.2 km/h

Water temperature: 29.0°C

03:00

Waves: 1.3 m

Current speed: 1.2 km/h

Water temperature: 29.0°C

09:00

Waves: 1.2 m

Current speed: 0.6 km/h

Water temperature: 29.0°C

15:00

Waves: 1.2 m

Current speed: 0.8 km/h

Water temperature: 29.4°C

21:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 29.3°C

03:00

Waves: 1.0 m

Current speed: 0.3 km/h

Water temperature: 29.2°C

09:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 29.2°C

15:00

Waves: 1.0 m

Current speed: 0.9 km/h

Water temperature: 29.8°C

21:00

Waves: 1.0 m

Current speed: 1.0 km/h

Water temperature: 29.4°C

03:00

Waves: 1.0 m

Current speed: 1.0 km/h

Water temperature: 29.2°C

Catalog depth15–35 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

Apr-May, Oct-Nov

Peak month

Apr 29.9°

Jan28.3°

Feb28.7°

Mar29.4°

Apr29.9°

May29.2°

Jun27.5°

Jul26.4°

Aug26.3°

Sep27.2°

Oct27.9°

Nov28.3°

Dec28.3°

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 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

Powderblue surgeonfish

Acanthurus leucosternon

DeepLog9

Guineafowl puffer

Arothron meleagris

DeepLog7

Convict surgeonfish

Acanthurus triostegus

DeepLog6

Longfin batfish

Platax teira

DeepLog6

Surge wrasse

Thalassoma purpureum

DeepLog5

Dusky parrotfish

Scarus niger

DeepLog4

Ember parrotfish

Scarus rubroviolaceus

DeepLog4

Palette surgeonfish

Paracanthurus hepatus

DeepLog4

Surgeonfish

Acanthurus tennentii

DeepLog4

Yellowhead butterflyfish

Chaetodon xanthocephalus

DeepLog4

Desjardin's sailfin tang

Zebrasoma desjardinii

DeepLog3

Indian triggerfish

Melichthys indicus

DeepLog3

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

DeepLog + OBIS →

Photos