HERON
Protected Area
Jersey Coast
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) - HERON offers some of Cornwall & Devon's richest wreck diving. Water ranges 10-18°C, warmest July, August, September.
The Heron sits upright at 22 metres, a solid wreck dive off the coast of Jersey. This old carrier vessel, a Dutch build from '56, met its end on the Paternoster rocks heading for Portsmouth. She's 57 metres long, offering a good amount to explore, especially with that upright stance. We’ve found her superstructure holds plenty of nooks for conger eels, and often you'll spot lobsters tucked into the plating. With the currents around here, the site gets a decent wash, keeping the visibility often quite good, and we find the anemones and dead man's fingers really thrive on the exposed metal. It's a proper wreck experience, best suited for those comfortable with deeper dives and a bit of current.
Typical HERON Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Depth of 22m - Advanced Open Water 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 HERON
HERON Ocean Conditions
Monthly averages for HERON, 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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