LEON MARIE
Protected Area
Gouliot Caves and Headland, Sark
Why dive here
With 176+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - LEON MARIE offers some of Cornwall & Devon's richest wreck diving. Water ranges 10-18°C, warmest July, August, September.
For us, the Leon Marie offers a proper dive into maritime history, sitting upright at 33 metres off Lower Head. She’s a cutter, sunk back in 1873, and what you get now is a remarkably intact wooden hull, largely still holding its shape. We love tracing the lines of her deck, imagining her sails, and seeing how the sea has slowly reclaimed her. You'll find the wooden timbers draped in plumose anemones, their white tentacles swaying gently in the current, and often a few inquisitive conger eels peering out from gaps in the hull. Visibility here can be a bit of a lottery, as with many of our UK wrecks, but on a good day, when the sun filters down, it’s a genuinely atmospheric dive. We’d suggest timing your dive for slack water; the currents can pick up, making exploration trickier. It’s a dive for those who appreciate the quiet dignity of a wreck and the gradual reclamation by marine life, rather than high-speed drifts. She’s a beauty, truly.
Typical LEON MARIE Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Deep dive (33m) - monitor air consumption closely. Advanced certification recommended.
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Always perform a 3-minute safety stop at 5m before surfacing.
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Conditions
Ocean conditions, forecast and tides for LEON MARIE
LEON MARIE Ocean Conditions
Monthly averages for LEON MARIE, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (50.44, -2.73) (3km away)
October Averages
Sea Temperature
17°C
62°F · Range: 15.1–17.5°C
Air Temperature
13°C
56°F
Wind Speed
8.14 m/s
15.8 knots
Atmospheric Pressure
1011 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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