France

épave La Jean Marthe

15–30 mMax Depth

boatEntry

22Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal71/100

Waves

1.2 m

12.4 s

Swell

1.1 m

11.2 s

Current speed

0.0 km/h

flowing toward E

Water temperature

16.3°C

Wind

16.7 km/h

→ SW

Sea level

-1.1 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.2–1.4 mCurrent speed0.9 km/h maxWater temperature16.3°C

TodayChallenging

Waves1.5–3.3 mCurrent speed1.5 km/h maxWater temperature15.8°C

TomorrowChallenging

Waves2.2–2.7 mCurrent speed1.4 km/h maxWater temperature15.2°C

Fri, Oct 23Challenging

Waves2.7–6.8 mCurrent speed1.9 km/h maxWater temperature15.2°C

Next 72 hours

17:00

Waves: 1.2 m

Current speed: 0.3 km/h

Water temperature: 16.4°C

23:00

Waves: 1.4 m

Current speed: 0.9 km/h

Water temperature: 16.3°C

05:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 16.2°C

11:00

Waves: 3.2 m

Current speed: 1.5 km/h

Water temperature: 15.8°C

17:00

Waves: 3.2 m

Current speed: 0.9 km/h

Water temperature: 15.5°C

23:00

Waves: 2.7 m

Current speed: 1.4 km/h

Water temperature: 15.3°C

05:00

Waves: 2.4 m

Current speed: 0.4 km/h

Water temperature: 15.2°C

11:00

Waves: 2.2 m

Current speed: 0.9 km/h

Water temperature: 15.2°C

17:00

Waves: 2.2 m

Current speed: 0.6 km/h

Water temperature: 15.2°C

23:00

Waves: 2.6 m

Current speed: 1.0 km/h

Water temperature: 15.3°C

05:00

Waves: 4.1 m

Current speed: 0.4 km/h

Water temperature: 15.3°C

11:00

Waves: 6.8 m

Current speed: 1.5 km/h

Water temperature: 15.2°C

Catalog depth15–30 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.

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-Sep

Peak month

Aug 19.7°

Jan10.6°

Feb9.9°

Mar10.3°

Apr12.1°

May14.6°

Jun17.3°

Jul19.0°

Aug19.7°

Sep18.5°

Oct16.8°

Nov14.5°

Dec12.2°

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

wrecksalt 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

Red-banded jellyfish

Chrysaora hysoscella

DeepLog6

Plum anemone

Actinia equina

DeepLog5

Common limpet

Patella vulgata

DeepLog4

Portuguese oyster

Magallana gigas

DeepLog3

Rayed trough shell

Mactra stultorum

DeepLog3

Strawberry anemone

Actinia fragacea

DeepLog3

Portuguese man o'war

Physalia physalis

DeepLog2

Banded donax

Donax vittatus

DeepLog1

By the wind sailor

Velella velella

DeepLog1

Common carp

Cyprinus carpio

DeepLog1

Common edible cockle

Cerastoderma edule

DeepLog1

Common periwinkle

Littorina littorea

DeepLog1

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

DeepLog + OBIS →

Photos