France

Grand Tombant

18–39 mMax Depth

boatEntry

64Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.5 m

4.6 s

Swell

0.3 m

4.4 s

Current speed

0.2 km/h

flowing toward E

Water temperature

23.7°C

Wind

6.2 km/h

→ E

Sea level

-0.5 m

WavesCalm

SwellCalm

Current speedCalm

Planning window

10:45–10:00

Calmest model window

Forecast Overview

Mon, Oct 19Calm

Waves0.4–0.5 mCurrent speed0.5 km/h maxWater temperature23.7°C

Tue, Oct 20Calm

Waves0.4–0.5 mCurrent speed0.5 km/h maxWater temperature23.6°C

TodayChallenging

Waves0.7–3.7 mCurrent speed1.4 km/h maxWater temperature23.3°C

TomorrowChallenging

Waves2.6–3.7 mCurrent speed1.1 km/h maxWater temperature23.0°C

Next 72 hours

10:00

Waves: 0.4 m

Current speed: 0.2 km/h

Water temperature: 23.6°C

16:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 23.8°C

22:00

Waves: 0.5 m

Current speed: 0.3 km/h

Water temperature: 23.6°C

04:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 23.5°C

10:00

Waves: 0.4 m

Current speed: 0.2 km/h

Water temperature: 23.6°C

16:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 23.7°C

22:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 23.5°C

04:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 23.5°C

10:00

Waves: 1.7 m

Current speed: 1.1 km/h

Water temperature: 23.4°C

16:00

Waves: 3.0 m

Current speed: 1.4 km/h

Water temperature: 23.3°C

22:00

Waves: 3.6 m

Current speed: 1.1 km/h

Water temperature: 23.1°C

04:00

Waves: 3.3 m

Current speed: 1.0 km/h

Water temperature: 23.0°C

Catalog depth18–39 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 24.5°

Jan13.7°

Feb13.2°

Mar13.5°

Apr14.8°

May17.4°

Jun20.8°

Jul23.5°

Aug24.5°

Sep22.7°

Oct20.4°

Nov17.8°

Dec15.1°

Current: moderate

Typical visibility: 8 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

wallsalt Waterintermediate 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

White seabream

Diplodus sargus

DeepLog6

Damselfish

Chromis chromis

DeepLog4

Lipophrys trigloides

DeepLog4

Ornate wrasse

Thalassoma pavo

DeepLog4

Saddled seabream

Oblada melanurus

DeepLog4

Surmullet

Mullus surmuletus

DeepLog4

By the wind sailor

Velella velella

DeepLog3

Cardinal fish

Apogon imberbis

DeepLog3

Common two-banded seabream

Diplodus vulgaris

DeepLog3

Madeira rockfish

Scorpaena maderensis

DeepLog3

Octopus

Octopus vulgaris

DeepLog3

Peacock wrasse

Symphodus tinca

DeepLog3

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

DeepLog + OBIS →

Photos