Jamaica

Great House Reef

8–20 mMax Depth

shoreEntry

12Species

Conditions Summary

Model forecast · local time (GMT-5)

Model conditions signal100/100

Waves

0.2 m

5.3 s

Swell

0.2 m

3.0 s

Current speed

1.1 km/h

flowing toward W

Water temperature

29.7°C

Wind

3.4 km/h

→ N

Sea level

0.6 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

19:15–19:00

Calmest model window

Forecast Overview

Tue, Oct 20Calm

Waves0.2–0.2 mCurrent speed1.3 km/h maxWater temperature29.6°C

TodayWatch

Waves0.1–0.2 mCurrent speed1.7 km/h maxWater temperature29.6°C

TomorrowWatch

Waves0.1–0.1 mCurrent speed1.7 km/h maxWater temperature29.7°C

Fri, Oct 23Calm

Waves0.1–0.2 mCurrent speed1.9 km/h maxWater temperature29.6°C

Next 72 hours

19:00

Waves: 0.2 m

Current speed: 1.3 km/h

Water temperature: 29.7°C

01:00

Waves: 0.2 m

Current speed: 1.5 km/h

Water temperature: 29.5°C

07:00

Waves: 0.2 m

Current speed: 0.0 km/h

Water temperature: 29.4°C

13:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 30.0°C

19:00

Waves: 0.1 m

Current speed: 1.3 km/h

Water temperature: 29.7°C

01:00

Waves: 0.1 m

Current speed: 1.7 km/h

Water temperature: 29.5°C

07:00

Waves: 0.1 m

Current speed: 0.7 km/h

Water temperature: 29.5°C

13:00

Waves: 0.1 m

Current speed: 1.6 km/h

Water temperature: 30.0°C

19:00

Waves: 0.1 m

Current speed: 1.1 km/h

Water temperature: 29.8°C

01:00

Waves: 0.1 m

Current speed: 1.9 km/h

Water temperature: 29.5°C

07:00

Waves: 0.1 m

Current speed: 1.5 km/h

Water temperature: 29.5°C

13:00

Waves: 0.1 m

Current speed: 0.8 km/h

Water temperature: 29.7°C

Catalog depth8–20 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

Dec-Apr

Peak month

Sep 29.8°

Jan27.2°

Feb26.9°

Mar26.9°

Apr27.5°

May28.2°

Jun28.6°

Jul29.0°

Aug29.4°

Sep29.8°

Oct29.4°

Nov28.7°

Dec27.9°

Current: mild

Typical visibility: 15 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

Squamous chiton

Chiton squamosus

DeepLog3

Beaded periwinkle

Cenchritis muricatus

DeepLog2

Chain moray

Echidna catenata

DeepLog1

Common caribbean donax

Donax denticulatus

DeepLog1

Flat tree oyster

Isognomon alatus

DeepLog1

Red lionfish

Pterois volitans

DeepLog1

Red rock urchin

Echinometra lucunter

DeepLog1

Spot-fin porcupinefish

Diodon hystrix

DeepLog1

Tesselate nerite

Nerita tessellata

DeepLog1

West indian fuzzy chiton

Acanthopleura granulata

DeepLog1

Widemouth rocksnail

Plicopurpura patula

DeepLog1

Zebra nerite

Puperita pupa

DeepLog1

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

DeepLog + OBIS →

Photos