France

Ranolien

10–16 mMax Depth

boatEntry

1Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal51/100

Waves

1.5 m

10.4 s

Swell

1.2 m

10.9 s

Current speed

4.2 km/h

flowing toward E

Water temperature

17.6°C

Wind

23.6 km/h

→ NW

Sea level

1.6 m

rising

WavesChallenging

SwellWatch

Current speedChallenging

Planning window

01:00–02:00

Calmest model window

Forecast Overview

Fri, Oct 16Challenging

Waves1.4–1.5 mCurrent speed4.2 km/h maxWater temperature17.6°C

Sat, Oct 17Challenging

Waves1.0–1.4 mCurrent speed3.6 km/h maxWater temperature17.5°C

Sun, Oct 18Watch

Waves0.8–1.0 mCurrent speed3.1 km/h maxWater temperature17.3°C

Mon, Oct 19Watch

Waves0.8–0.8 mCurrent speed2.5 km/h maxWater temperature17.1°C

Next 72 hours

08:00

Waves: 1.5 m

Current speed: 4.2 km/h

Water temperature: 17.6°C

14:00

Waves: 1.5 m

Current speed: 3.8 km/h

Water temperature: 17.6°C

20:00

Waves: 1.4 m

Current speed: 2.9 km/h

Water temperature: 17.6°C

02:00

Waves: 1.4 m

Current speed: 3.2 km/h

Water temperature: 17.5°C

08:00

Waves: 1.3 m

Current speed: 2.0 km/h

Water temperature: 17.4°C

14:00

Waves: 1.2 m

Current speed: 3.0 km/h

Water temperature: 17.5°C

20:00

Waves: 1.0 m

Current speed: 0.8 km/h

Water temperature: 17.5°C

02:00

Waves: 1.0 m

Current speed: 2.4 km/h

Water temperature: 17.4°C

08:00

Waves: 1.0 m

Current speed: 0.5 km/h

Water temperature: 17.3°C

14:00

Waves: 0.9 m

Current speed: 1.7 km/h

Water temperature: 17.3°C

20:00

Waves: 0.9 m

Current speed: 0.8 km/h

Water temperature: 17.2°C

02:00

Waves: 0.8 m

Current speed: 0.9 km/h

Water temperature: 17.1°C

Catalog depth10–16 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-Sep

Peak month

Aug 16.5°

Jan10.7°

Feb9.9°

Mar9.7°

Apr10.4°

May11.8°

Jun13.8°

Jul15.5°

Aug16.5°

Sep16.4°

Oct15.3°

Nov13.7°

Dec12.0°

Current: moderate

Typical visibility: 7.5 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

Sepia

Sepia officinalis

DeepLog1

Pseudo-nitzschia

Nearby OBIS observations35

Atlantic gray seal

Halichoerus grypus

Nearby OBIS observations18

Northern gannet

Morus bassanus

Nearby OBIS observations11

Larus argentatus

Nearby OBIS observations6

Phymatolithon lenormandii

Nearby OBIS observations6

Ulva

Nearby OBIS observations6

Chondracanthus acicularis

Nearby OBIS observations5

Fucus serratus

Nearby OBIS observations5

Mastocarpus stellatus

Nearby OBIS observations5

Short-beaked common dolphin

Delphinus delphis

Nearby OBIS observations5

Alexandrium minutum

Nearby OBIS observations4

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

DeepLog + OBIS →