Le Sec Aux Murennes is a dive site in France. Typically most favorable Jun · from 3 years of archive data. Divers commonly see Muraena helena, Thunnus tonggol, and Conger conger. Recent reports put the water around 25°C (78°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 25°C · seasonal avg 23°C
Dive windows this week
Best: TueFavorable windowModerate window— no window
First light 6:42 · Sunrise 7:10 · Sunset 19:53
Source: Open-Meteo marine · model point 6.3 km from site · graded 13h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
June hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.
Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.
Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.
Conger conger recorded here Apr (1 record)
most recent 2015
Epinephelus marginatus recorded here Sep (1 record)
most recent 2001
Gymnothorax flavimarginatus recorded here Sep (1 record)
most recent 2001
Muraena helena recorded here Apr (1 record)
most recent 2015
Thunnus tonggol recorded here Apr (1 record)
most recent 2015
Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.
Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.
08:30-12:00,14:00-18:00 hours from OpenStreetMap — call ahead
Tu-Sa 10:00-18:00 hours from OpenStreetMap — call ahead
Mo-Su 08:00-19:00 hours from OpenStreetMap — call ahead
08:00-12:00; 14:00-18:00 hours from OpenStreetMap — call ahead
Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.
Data updated July 2026
Le Sec Aux Murennes is a dive site in France.
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
Divers at Le Sec Aux Murennes in France commonly report sightings of Muraena helena, Thunnus tonggol, and Conger conger. Muraena helena, Thunnus tonggol, and Conger conger are reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.
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