Central America › Belize › Caye Caulker

The Great Blue Hole

5–40 mMax Depth

BoatEntry

2Species

Conditions Summary

Model forecast · local time (GMT-6)

Planning signal91/100

Waves

1.0 m

4.7 s

Swell

0.6 m

5.4 s

Current speed

0.4 km/h

flowing toward NW

Water temperature

30.0°C

Wind

26.6 km/h

→ E

Sea level

0.2 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

15:00–16:00

Calmest model window

Forecast Overview

Sat, Sep 5Challenging

Waves1.0–1.0 mCurrent speed0.5 km/h maxWater temperature30.0°C

TodayWatch

Waves0.8–1.0 mCurrent speed0.7 km/h maxWater temperature29.9°C

TomorrowWatch

Waves1.0–1.2 mCurrent speed0.8 km/h maxWater temperature29.9°C

Tue, Sep 8Challenging

Waves1.0–1.2 mCurrent speed1.0 km/h maxWater temperature29.9°C

Next 72 hours

19:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 30.0°C

01:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

07:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 29.8°C

13:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 30.0°C

19:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 30.1°C

01:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 29.9°C

07:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 29.8°C

13:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 30.0°C

19:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 30.0°C

01:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 29.9°C

07:00

Waves: 1.1 m

Current speed: 0.9 km/h

Water temperature: 29.8°C

13:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 29.9°C

Catalog depth5–40 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

Dec-Jun

Peak month

Sep 29.5°

Jan26.8°

Feb26.6°

Mar26.8°

Apr27.4°

May28.2°

Jun28.7°

Jul28.8°

Aug29.2°

Sep29.5°

Oct29.1°

Nov28.2°

Dec27.3°

Current: moderate

Typical visibility: 30 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

WallCaverncenoteSalt Wateradvanced Difficulty

Data source & current conditions

Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.

View the source profile →

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

Bluehead

Thalassoma bifasciatum

DeepLog1

Midnight parrotfish

Scarus coelestinus

DeepLog1

Acanthurus coeruleus

Nearby OBIS observations14

Diploria labyrinthiformis

Nearby OBIS observations14

Pseudodiploria strigosa

Nearby OBIS observations14

Cephalopholis cruentata

Nearby OBIS observations11

Acanthurus bahianus

Nearby OBIS observations9

Colpophyllia natans

Nearby OBIS observations8

Chaetodon capistratus

Nearby OBIS observations7

Montastraea cavernosa

Nearby OBIS observations7

Sparisoma viride

Nearby OBIS observations7

Agaricia

Nearby OBIS observations6

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

DeepLog + OBIS →

Photos