France

Le Flandre

25–40 mMax Depth

boatEntry

17Species

Conditions Summary

Model forecast · local time (GMT+2)

Model conditions signal71/100

Waves

1.0 m

13.1 s

Swell

1.0 m

11.6 s

Current speed

1.0 km/h

flowing toward W

Water temperature

17.3°C

Wind

17.1 km/h

→ W

Sea level

-1.0 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.0–1.1 mCurrent speed2.2 km/h maxWater temperature17.3°C

TodayChallenging

Waves1.1–2.7 mCurrent speed2.9 km/h maxWater temperature17.3°C

TomorrowChallenging

Waves1.6–1.9 mCurrent speed3.5 km/h maxWater temperature16.9°C

Fri, Oct 23Challenging

Waves1.6–6.3 mCurrent speed5.4 km/h maxWater temperature16.5°C

Next 72 hours

17:00

Waves: 1.0 m

Current speed: 1.0 km/h

Water temperature: 17.3°C

23:00

Waves: 1.1 m

Current speed: 1.8 km/h

Water temperature: 17.3°C

05:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 17.3°C

11:00

Waves: 2.0 m

Current speed: 2.3 km/h

Water temperature: 17.4°C

17:00

Waves: 2.6 m

Current speed: 1.4 km/h

Water temperature: 17.3°C

23:00

Waves: 1.9 m

Current speed: 2.9 km/h

Water temperature: 17.2°C

05:00

Waves: 1.7 m

Current speed: 1.2 km/h

Water temperature: 17.0°C

11:00

Waves: 1.6 m

Current speed: 3.4 km/h

Water temperature: 16.9°C

17:00

Waves: 1.6 m

Current speed: 1.3 km/h

Water temperature: 16.8°C

23:00

Waves: 1.6 m

Current speed: 3.5 km/h

Water temperature: 16.7°C

05:00

Waves: 1.9 m

Current speed: 1.0 km/h

Water temperature: 16.6°C

11:00

Waves: 5.3 m

Current speed: 5.0 km/h

Water temperature: 16.4°C

Catalog depth25–40 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

Apr-Oct

Peak month

Aug 20.7°

Jan10.7°

Feb9.9°

Mar10.6°

Apr12.5°

May15.0°

Jun17.9°

Jul20.0°

Aug20.7°

Sep19.3°

Oct17.3°

Nov14.7°

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

Rhizostoma octopus

DeepLog4

Common edible cockle

Cerastoderma edule

DeepLog3

Honeycomb worm

Sabellaria alveolata

DeepLog3

By the wind sailor

Velella velella

DeepLog2

Red-banded jellyfish

Chrysaora hysoscella

DeepLog2

Surf clam

Spisula solida

DeepLog2

Banded donax

Donax vittatus

DeepLog1

Blue mussel

Mytilus edulis

DeepLog1

Moon jelly

Aurelia aurita

DeepLog1

Moon snail

Euspira catena

DeepLog1

Oblong donax

Donax trunculus

DeepLog1

Psammechinus miliaris

DeepLog1

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

DeepLog + OBIS →

Photos