France

Les 3 Arches

5–20 mMax Depth

boatEntry

76Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.1 m

2.8 s

Swell

0.0 m

2.5 s

Current speed

0.0 km/h

flowing toward E

Water temperature

21.4°C

Wind

6.1 km/h

→ N

Sea level

-0.6 m

WavesCalm

SwellCalm

Current speedCalm

Planning window

04:15–04:00

Calmest model window

Forecast Overview

Fri, Oct 16Calm

Waves0.1–0.1 mCurrent speed0.3 km/h maxWater temperature21.6°C

Sat, Oct 17Calm

Waves0.1–0.4 mCurrent speed0.3 km/h maxWater temperature21.5°C

Sun, Oct 18Calm

Waves0.2–0.4 mCurrent speed0.2 km/h maxWater temperature21.3°C

Mon, Oct 19Calm

Waves0.2–0.3 mCurrent speed0.0 km/h maxWater temperature21.1°C

Next 72 hours

04:00

Waves: 0.1 m

Current speed: 0.0 km/h

Water temperature: 21.4°C

10:00

Waves: 0.1 m

Current speed: 0.0 km/h

Water temperature: 21.5°C

16:00

Waves: 0.1 m

Current speed: 0.3 km/h

Water temperature: 21.7°C

22:00

Waves: 0.1 m

Current speed: 0.0 km/h

Water temperature: 21.6°C

04:00

Waves: 0.3 m

Current speed: 0.0 km/h

Water temperature: 21.4°C

10:00

Waves: 0.2 m

Current speed: 0.0 km/h

Water temperature: 21.5°C

16:00

Waves: 0.1 m

Current speed: 0.2 km/h

Water temperature: 21.7°C

22:00

Waves: 0.3 m

Current speed: 0.0 km/h

Water temperature: 21.5°C

04:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 21.4°C

10:00

Waves: 0.2 m

Current speed: 0.0 km/h

Water temperature: 21.3°C

16:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 21.3°C

22:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 21.2°C

Catalog depth5–20 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 22.0°

Jan12.4°

Feb11.8°

Mar12.3°

Apr13.8°

May16.2°

Jun19.4°

Jul21.2°

Aug22.0°

Sep20.2°

Oct18.4°

Nov16.1°

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

reefsalt Waterbeginner 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

Rough cockle

Acanthocardia tuberculata

DeepLog10

Tricolor nudibranch

Cratena peregrina

DeepLog7

Sepia

Sepia officinalis

DeepLog6

Violet sea slug

Edmundsella pedata

DeepLog6

Octopus

Octopus vulgaris

DeepLog5

Tompot blenny

Parablennius gattorugine

DeepLog5

By the wind sailor

Velella velella

DeepLog4

Common two-banded seabream

Diplodus vulgaris

DeepLog4

Mediterranean mussel

Mytilus galloprovincialis

DeepLog4

Noah's arc

Arca noae

DeepLog4

Saddle shell

Anomia ephippium

DeepLog4

White seabream

Diplodus sargus

DeepLog4

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

DeepLog + OBIS →

Photos