Croatia

The Big Cave

15–35 mMax Depth

boatEntry

9Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.0 m

2.5 s

Swell

0.0 m

2.3 s

Current speed

0.4 km/h

flowing toward E

Water temperature

22.1°C

Wind

3.3 km/h

→ S

Sea level

-0.6 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

17:45–17:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.0–0.1 mCurrent speed0.4 km/h maxWater temperature22.0°C

Mon, Oct 19Calm

Waves0.0–0.1 mCurrent speed0.3 km/h maxWater temperature22.0°C

Tue, Oct 20Watch

Waves0.0–1.5 mCurrent speed0.9 km/h maxWater temperature21.8°C

TodayChallenging

Waves1.3–2.3 mCurrent speed1.9 km/h maxWater temperature21.5°C

Next 72 hours

17:00

Waves: 0.0 m

Current speed: 0.4 km/h

Water temperature: 22.1°C

23:00

Waves: 0.1 m

Current speed: 0.3 km/h

Water temperature: 22.0°C

05:00

Waves: 0.1 m

Current speed: 0.2 km/h

Water temperature: 21.9°C

11:00

Waves: 0.0 m

Current speed: 0.0 km/h

Water temperature: 22.0°C

17:00

Waves: 0.0 m

Current speed: 0.3 km/h

Water temperature: 22.1°C

23:00

Waves: 0.0 m

Current speed: 0.2 km/h

Water temperature: 21.9°C

05:00

Waves: 0.0 m

Current speed: 0.2 km/h

Water temperature: 21.8°C

11:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 21.8°C

17:00

Waves: 1.1 m

Current speed: 0.9 km/h

Water temperature: 21.8°C

23:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 21.7°C

05:00

Waves: 2.1 m

Current speed: 1.9 km/h

Water temperature: 21.5°C

11:00

Waves: 2.3 m

Current speed: 1.4 km/h

Water temperature: 21.3°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.

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

May-Oct

Peak month

Aug 24.4°

Jan12.5°

Feb11.4°

Mar11.7°

Apr13.5°

May17.3°

Jun21.4°

Jul23.8°

Aug24.4°

Sep21.9°

Oct19.4°

Nov16.9°

Dec14.4°

Current: mild

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

cavesalt 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

Banded murex

Hexaplex trunculus

DeepLog1

Cardinal fish

Apogon imberbis

DeepLog1

Neptune-grass

Posidonia oceanica

DeepLog1

Octopus

Octopus vulgaris

DeepLog1

Rainbow wrasse

Coris julis

DeepLog1

Saddled seabream

Oblada melanurus

DeepLog1

Sapsucking slug

Thuridilla hopei

DeepLog1

Slender goby

Gobius geniporus

DeepLog1

Surmullet

Mullus surmuletus

DeepLog1

Common bottlenose dolphin

Tursiops truncatus

Nearby OBIS observations43

Porifera

Nearby OBIS observations12

Larus michahellis

Nearby OBIS observations11

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

DeepLog + OBIS →

Photos