France
La Grotte du Semaphore
25–40 mMax Depth
boatEntry
6Species
Conditions Summary
The marine forecast is temporarily unavailable. Confirm the actual briefing, entry, exit, and suitability with a local operator.
Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
May-Oct
Peak month
Aug 24.6°
Jan13.9°
Feb13.3°
Mar13.5°
Apr14.6°
May17.5°
Jun21.1°
Jul23.7°
Aug24.6°
Sep22.4°
Oct19.8°
Nov17.4°
Dec15.4°
Current: moderate
Typical visibility: 20 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.
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Dive Types
wallsalt Wateradvanced Difficulty
Data source & current conditions
Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.
View the source profile →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
Atlantic lizardfish
Synodus saurus
DeepLog1
Black scorpionfish
Scorpaena porcus
DeepLog1
Red-mouthed goby
Gobius cruentatus
DeepLog1
Smooth starfish
Hacelia attenuata
DeepLog1
Sublet
Symphodus rostratus
DeepLog1
White seabream
Diplodus sargus
DeepLog1
Copepoda
Nearby OBIS observations12
Crustacea
Nearby OBIS observations9
Florideophyceae
Nearby OBIS observations8
Appendicularia
Nearby OBIS observations7
Calanoida
Nearby OBIS observations6
Candaciidae
Nearby OBIS observations6
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
