France

La Grotte du Semaphore

25–40 mMax Depth

boatEntry

6Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.1 m

2.6 s

Swell

0.1 m

2.3 s

Current speed

0.3 km/h

flowing toward SW

Water temperature

22.7°C

Wind

4.0 km/h

→ S

Sea level

-0.4 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

18:00–19:00

Calmest model window

Forecast Overview

Sat, Oct 17Calm

Waves0.1–0.1 mCurrent speed0.4 km/h maxWater temperature22.6°C

Sun, Oct 18Calm

Waves0.1–0.7 mCurrent speed0.7 km/h maxWater temperature22.5°C

Mon, Oct 19Watch

Waves0.7–1.0 mCurrent speed0.9 km/h maxWater temperature22.4°C

Tue, Oct 20Watch

Waves0.7–1.1 mCurrent speed0.6 km/h maxWater temperature22.3°C

Next 72 hours

18:00

Waves: 0.1 m

Current speed: 0.3 km/h

Water temperature: 22.7°C

00:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 22.6°C

06:00

Waves: 0.1 m

Current speed: 0.4 km/h

Water temperature: 22.5°C

12:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 22.5°C

18:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 22.4°C

00:00

Waves: 0.7 m

Current speed: 0.8 km/h

Water temperature: 22.4°C

06:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 22.4°C

12:00

Waves: 0.8 m

Current speed: 0.7 km/h

Water temperature: 22.4°C

18:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 22.4°C

00:00

Waves: 0.7 m

Current speed: 0.5 km/h

Water temperature: 22.3°C

06:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 22.3°C

12:00

Waves: 1.0 m

Current speed: 0.6 km/h

Water temperature: 22.3°C

Catalog depth25–40 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.

Updated: cached data

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°

Jan13.9°

Feb13.3°

Mar13.5°

Apr14.6°

May17.5°

Jun21.1°

Jul23.7°

Aug24.6°

Sep22.4°

Oct19.8°

Nov17.4°

Dec15.4°

Current: moderate

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.

Nearby live cameras

Check the water around La Grotte du Semaphore before you dive. Feeds are provided by third parties and may occasionally be offline.

8 cameras

Nice Ouest : Promenade des Anglais

3.7 km awayOpenStreetMap

Open

area

Check is getting oldLast checked 49h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Public live camera

Public feedCatalogued Oct 19, 2026

26.3 km awayOpenStreetMap

Open

Mescla Reveston

Check is getting oldLast checked 49h ago

External source · live video is not independently verified

No history is stored for this external source.

Fallback camera: Public live camera

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

wallsalt 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

Atlantic lizardfish

Synodus saurus

DeepLog1

Black scorpionfish

Scorpaena porcus

DeepLog1

Red-mouthed goby

Gobius cruentatus

DeepLog1

Smooth starfish

Hacelia attenuata

DeepLog1

Sublet

Symphodus rostratus

DeepLog1

White seabream

Diplodus sargus

DeepLog1

Copepoda

Nearby OBIS observations13

Crustacea

Nearby OBIS observations9

Appendicularia

Nearby OBIS observations7

Calanoida

Nearby OBIS observations6

Candaciidae

Nearby OBIS observations6

Euphausiacea

Nearby OBIS observations6

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

DeepLog + OBIS →

Photos