Croatia

Nicolai Cavern

10–30 mMax Depth

boatEntry

37Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.0 m

2.6 s

Swell

0.0 m

2.1 s

Current speed

0.0 km/h

flowing toward E

Water temperature

21.1°C

Wind

4.7 km/h

→ S

Sea level

-0.5 m

WavesCalm

SwellCalm

Current speedCalm

Planning window

13:30–13:00

Calmest model window

Forecast Overview

Mon, Oct 19Calm

Waves0.0–0.0 mCurrent speed0.3 km/h maxWater temperature21.0°C

Tue, Oct 20Calm

Waves0.0–0.9 mCurrent speed0.5 km/h maxWater temperature20.8°C

TodayChallenging

Waves0.7–1.6 mCurrent speed1.1 km/h maxWater temperature20.6°C

TomorrowWatch

Waves0.5–0.7 mCurrent speed0.8 km/h maxWater temperature20.5°C

Next 72 hours

13:00

Waves: 0.0 m

Current speed: 0.0 km/h

Water temperature: 21.1°C

19:00

Waves: 0.0 m

Current speed: 0.0 km/h

Water temperature: 20.9°C

01:00

Waves: 0.0 m

Current speed: 0.0 km/h

Water temperature: 20.8°C

07:00

Waves: 0.0 m

Current speed: 0.2 km/h

Water temperature: 20.7°C

13:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 20.8°C

19:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 20.7°C

01:00

Waves: 1.1 m

Current speed: 0.7 km/h

Water temperature: 20.7°C

07:00

Waves: 1.5 m

Current speed: 0.9 km/h

Water temperature: 20.6°C

13:00

Waves: 1.5 m

Current speed: 0.6 km/h

Water temperature: 20.6°C

19:00

Waves: 1.0 m

Current speed: 0.2 km/h

Water temperature: 20.6°C

01:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 20.5°C

07:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 20.5°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.

Nearby live cameras

Check the water around Nicolai Cavern before you dive. Feeds are provided by third parties and may occasionally be offline.

8 cameras

Public live camera

32 km awayOpenStreetMap

Open

harbour

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Webcam Krk Island – Vela Placa

32.1 km awayOpenStreetMap

Open

town

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Public live camera

32.1 km awayOpenStreetMap

Open

harbour

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Public live camera

32.2 km awayOpenStreetMap

Open

harbour

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Punat Live - Turistička Zajednica

36.4 km awayOpenStreetMap

town

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Public live camera

36.4 km awayOpenStreetMap

Open

harbour

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Public live camera

36.4 km awayOpenStreetMap

Open

harbour

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Public live camera

36.4 km awayOpenStreetMap

Open

area

Checked todayLast checked 6h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Punat Live - Vodosprema

Public feedCatalogued Oct 19, 2026

Live availability is controlled by each camera provider. Use the feed as a quick surface check and confirm current conditions with a local dive 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

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