Cayman Islands

Sylvia's Reef

10–30 mMax Depth

boatEntry

24Species

Conditions Summary

Model forecast · local time (GMT-5)

Model conditions signal91/100

Waves

0.8 m

6.2 s

Swell

0.7 m

5.5 s

Current speed

1.4 km/h

flowing toward SE

Water temperature

29.7°C

Wind

10.6 km/h

→ N

Sea level

0.5 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

04:15–04:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.8–0.8 mCurrent speed1.5 km/h maxWater temperature29.8°C

Mon, Oct 19Watch

Waves0.6–0.8 mCurrent speed1.0 km/h maxWater temperature29.8°C

Tue, Oct 20Watch

Waves0.6–0.7 mCurrent speed1.3 km/h maxWater temperature29.8°C

TodayWatch

Waves0.6–0.6 mCurrent speed1.0 km/h maxWater temperature29.7°C

Next 72 hours

04:00

Waves: 0.8 m

Current speed: 1.4 km/h

Water temperature: 29.7°C

10:00

Waves: 0.8 m

Current speed: 1.3 km/h

Water temperature: 29.8°C

16:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 30.0°C

22:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 29.7°C

04:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 29.5°C

10:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 29.9°C

16:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 30.1°C

22:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 29.7°C

04:00

Waves: 0.6 m

Current speed: 1.1 km/h

Water temperature: 29.6°C

10:00

Waves: 0.6 m

Current speed: 1.3 km/h

Water temperature: 29.8°C

16:00

Waves: 0.6 m

Current speed: 0.8 km/h

Water temperature: 29.9°C

22:00

Waves: 0.6 m

Current speed: 0.7 km/h

Water temperature: 29.8°C

Catalog depth10–30 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

Nov-Apr

Peak month

Sep 29.9°

Jan26.9°

Feb26.6°

Mar26.7°

Apr27.4°

May28.1°

Jun28.7°

Jul29.3°

Aug29.8°

Sep29.9°

Oct29.3°

Nov28.4°

Dec27.6°

Current: mild

Typical visibility: 25 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

Yellow stingray

Urobatis jamaicensis

DeepLog3

Honeycomb cowfish

Acanthostracion polygonium

DeepLog2

Princess parrotfish

Scarus taeniopterus

DeepLog2

Banded butterflyfish

Chaetodon striatus

DeepLog1

Bar jack

Caranx ruber

DeepLog1

Black margate

Anisotremus surinamensis

DeepLog1

Butter hamlet

Hypoplectrus puella

DeepLog1

Deepwater sea fan

Iciligorgia schrammi

DeepLog1

Eyespot costasiella

Costasiella ocellifera

DeepLog1

Greater soapfish

Rypticus saponaceus

DeepLog1

Longspined porcupinefish

Diodon holocanthus

DeepLog1

Red lionfish

Pterois volitans

DeepLog1

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

DeepLog + OBIS →

Photos