France

Étrave du sous-marin Marsouin

15–25 mMax Depth

boatEntry

15Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal100/100

Waves

0.5 m

13.5 s

Swell

0.5 m

11.9 s

Current speed

0.5 km/h

flowing toward W

Water temperature

15.8°C

Wind

9.4 km/h

→ NW

Sea level

-0.6 m

falling

WavesCalm

SwellCalm

Current speedCalm

Planning window

04:00–05:00

Calmest model window

Forecast Overview

Tue, Oct 20Watch

Waves0.5–1.0 mCurrent speed0.8 km/h maxWater temperature15.8°C

TodayChallenging

Waves1.1–2.4 mCurrent speed1.9 km/h maxWater temperature15.6°C

TomorrowChallenging

Waves1.8–3.0 mCurrent speed1.8 km/h maxWater temperature15.2°C

Fri, Oct 23Challenging

Waves3.3–4.1 mCurrent speed2.0 km/h maxWater temperature15.0°C

Next 72 hours

04:00

Waves: 0.5 m

Current speed: 0.5 km/h

Water temperature: 15.8°C

10:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 15.7°C

16:00

Waves: 0.7 m

Current speed: 0.0 km/h

Water temperature: 15.8°C

22:00

Waves: 1.0 m

Current speed: 0.8 km/h

Water temperature: 15.8°C

04:00

Waves: 1.8 m

Current speed: 0.4 km/h

Water temperature: 15.7°C

10:00

Waves: 2.3 m

Current speed: 1.7 km/h

Water temperature: 15.6°C

16:00

Waves: 2.0 m

Current speed: 1.4 km/h

Water temperature: 15.6°C

22:00

Waves: 1.8 m

Current speed: 1.8 km/h

Water temperature: 15.5°C

04:00

Waves: 1.9 m

Current speed: 1.3 km/h

Water temperature: 15.3°C

10:00

Waves: 1.8 m

Current speed: 1.5 km/h

Water temperature: 15.2°C

16:00

Waves: 1.8 m

Current speed: 0.5 km/h

Water temperature: 15.2°C

22:00

Waves: 2.7 m

Current speed: 0.8 km/h

Water temperature: 15.1°C

Catalog depth15–25 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 18.3°

Jan10.5°

Feb9.8°

Mar10.0°

Apr11.6°

May13.8°

Jun16.1°

Jul17.6°

Aug18.3°

Sep17.3°

Oct15.8°

Nov14.0°

Dec12.0°

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

Atlantic mackerel

Scomber scombrus

DeepLog1

Common keyhole limpet

Diodora graeca

DeepLog1

Common slider

Trachemys scripta

DeepLog1

Common wentletrap

Epitonium clathrus

DeepLog1

Garfish

Belone belone

DeepLog1

Moon snail

Euspira catena

DeepLog1

Northern cowrie

Trivia arctica

DeepLog1

Northern dog whelk

Nucella lapillus

DeepLog1

Oyster drill

Ocenebra erinaceus

DeepLog1

Painted topshell

Calliostoma zizyphinum

DeepLog1

Plum anemone

Actinia equina

DeepLog1

Queen scallop

Aequipecten opercularis

DeepLog1

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

DeepLog + OBIS →

Photos