Croatia

Nicolai Cavern

10–30 mMax Depth

boatEntry

37Species

Conditions Summary

Model forecast · local time (GMT+2)

Planning signal100/100

Waves

0.3 m

2.3 s

Swell

0.1 m

2.1 s

Current speed

0.6 km/h

flowing toward W

Water temperature

26.5°C

Wind

13.6 km/h

→ N

Sea level

-0.7 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

02:30–02:00

Calmest model window

Forecast Overview

TodayCalm

Waves0.1–0.6 mCurrent speed1.0 km/h maxWater temperature26.4°C

TomorrowCalm

Waves0.0–0.2 mCurrent speed0.8 km/h maxWater temperature26.4°C

Tue, Sep 8Calm

Waves0.0–0.0 mCurrent speed0.6 km/h maxWater temperature26.5°C

Wed, Sep 9Calm

Waves0.0–0.0 mCurrent speed0.6 km/h maxWater temperature26.4°C

Next 72 hours

02:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 26.5°C

08:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 26.4°C

14:00

Waves: 0.4 m

Current speed: 0.6 km/h

Water temperature: 26.4°C

20:00

Waves: 0.1 m

Current speed: 0.6 km/h

Water temperature: 26.4°C

02:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 26.3°C

08:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 26.2°C

14:00

Waves: 0.0 m

Current speed: 0.4 km/h

Water temperature: 26.6°C

20:00

Waves: 0.0 m

Current speed: 0.4 km/h

Water temperature: 26.7°C

02:00

Waves: 0.0 m

Current speed: 0.3 km/h

Water temperature: 26.3°C

08:00

Waves: 0.0 m

Current speed: 0.3 km/h

Water temperature: 26.2°C

14:00

Waves: 0.0 m

Current speed: 0.3 km/h

Water temperature: 26.9°C

20:00

Waves: 0.0 m

Current speed: 0.4 km/h

Water temperature: 26.7°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

May-Oct

Peak month

Aug 24.6°

Jan11.9°

Feb10.8°

Mar11.1°

Apr13.2°

May17.2°

Jun21.4°

Jul23.9°

Aug24.6°

Sep22.0°

Oct19.3°

Nov16.7°

Dec13.9°

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

cavesalt 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

Sapsucking slug

Thuridilla hopei

DeepLog3

Small red scorpionfish

Scorpaena notata

DeepLog3

Florida regal doris

Felimare picta

DeepLog2

Parablennius incognitus

DeepLog2

Parablennius zvonimiri

DeepLog2

Peltodoris atromaculata

DeepLog2

Red-spotted horseshoe

Protula tubularia

DeepLog2

Sunset cup coral

Leptopsammia pruvoti

DeepLog2

Violet sea slug

Edmundsella pedata

DeepLog2

Axillary wrasse

Symphodus mediterraneus

DeepLog1

Black-headed blenny

Microlipophrys nigriceps

DeepLog1

Brown comber

Serranus hepatus

DeepLog1

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

DeepLog + OBIS →

Photos