ST GERVAISE
Protected Area
Three Castle Head to Mizen Head SAC
Why dive here
With 185+ marine species recorded in the area - including blue sharks, dolphins, dwarf minke whales, humpback whales and ocean sunfish (mola mola) - ST GERVAISE offers some of South Coast's richest wreck diving. Water ranges 9-15°C, warmest July, August, September.
The *St. Gervaise* is a proper working wreck off the Irish south coast, a 20.7m fishing vessel that went down in 2000. She sits upright at 20m, reasonably intact, which always makes for a satisfying dive. We often find conger eels tucked into her holds, and the deckhouse is usually busy with ballan wrasse zipping about. It’s a good spot for a second dive of the day, with enough nooks to poke around without being overly complex, suitable for anyone comfortable with a little overhead environment. Just be mindful of local currents, they can pick up quickly here.
Typical ST GERVAISE 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 20m - Advanced Open Water certification recommended.
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.
Always perform a 3-minute safety stop at 5m before surfacing.
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Conditions
Ocean conditions, forecast and tides for ST GERVAISE
ST GERVAISE Ocean Conditions
Monthly averages for ST GERVAISE, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (51.71, -8.38) (9km away)
October Averages
Sea Temperature
14°C
57°F · Range: 12.3–14.8°C
Air Temperature
12°C
54°F
Wind Speed
7.84 m/s
15.2 knots
Atmospheric Pressure
1008.6 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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