Cayman Islands

Hammerhead Hole

15–40 mMax Depth

boatEntry

68Species

Conditions Summary

Model forecast · local time (GMT-5)

Model conditions signal91/100

Waves

0.7 m

5.9 s

Swell

0.6 m

5.0 s

Current speed

1.3 km/h

flowing toward NW

Water temperature

29.9°C

Wind

11.0 km/h

→ NE

Sea level

0.5 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

21:00–22:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.7–0.7 mCurrent speed1.3 km/h maxWater temperature29.9°C

Mon, Oct 19Watch

Waves0.7–0.7 mCurrent speed1.5 km/h maxWater temperature30.0°C

Tue, Oct 20Watch

Waves0.6–0.7 mCurrent speed1.2 km/h maxWater temperature30.0°C

TodayWatch

Waves0.5–0.6 mCurrent speed1.0 km/h maxWater temperature30.0°C

Next 72 hours

21:00

Waves: 0.7 m

Current speed: 1.3 km/h

Water temperature: 29.9°C

03:00

Waves: 0.7 m

Current speed: 1.4 km/h

Water temperature: 29.9°C

09:00

Waves: 0.7 m

Current speed: 1.1 km/h

Water temperature: 30.0°C

15:00

Waves: 0.7 m

Current speed: 1.5 km/h

Water temperature: 30.2°C

21:00

Waves: 0.7 m

Current speed: 1.2 km/h

Water temperature: 30.0°C

03:00

Waves: 0.7 m

Current speed: 1.0 km/h

Water temperature: 29.9°C

09:00

Waves: 0.7 m

Current speed: 1.0 km/h

Water temperature: 30.0°C

15:00

Waves: 0.6 m

Current speed: 1.2 km/h

Water temperature: 30.2°C

21:00

Waves: 0.6 m

Current speed: 1.0 km/h

Water temperature: 30.0°C

03:00

Waves: 0.6 m

Current speed: 1.0 km/h

Water temperature: 29.9°C

09:00

Waves: 0.6 m

Current speed: 0.8 km/h

Water temperature: 30.0°C

15:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 30.2°C

Catalog depth15–40 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

Year-round

Peak month

Aug 29.7°

Jan26.9°

Feb26.6°

Mar26.7°

Apr27.3°

May28.1°

Jun28.6°

Jul29.2°

Aug29.7°

Sep29.7°

Oct29.2°

Nov28.4°

Dec27.6°

Current: moderate

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

salt 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

Angelfish

Pomacanthus paru

DeepLog3

Blue tang surgeonfish

Acanthurus coeruleus

DeepLog3

Bristle worm 113524

Hermodice carunculata

DeepLog3

French grunt

Haemulon flavolineatum

DeepLog3

Honey damselfish

Stegastes diencaeus

DeepLog3

Ocean triggerfish

Canthidermis sufflamen

DeepLog3

Slippery dick

Halichoeres bivittatus

DeepLog3

Bluehead

Thalassoma bifasciatum

DeepLog2

Bluestriped grunt

Haemulon sciurus

DeepLog2

Christmas tree worm

Spirobranchus giganteus

DeepLog2

Mutton snapper

Lutjanus analis

DeepLog2

Peacock flounder

Bothus lunatus

DeepLog2

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

DeepLog + OBIS →

Photos