Gregory’s Sound
Protected Area
Inishmore SPA
Why dive here
With 169+ marine species recorded in the area - including dolphins, dwarf minke whales, humpback whales, ocean sunfish (mola mola) and octopuses - Gregory’s Sound offers some of West Coast's richest channel diving. Water ranges 8-17°C, warmest July, August, September.
Gregory’s Sound, off Ireland's west coast, offers a straightforward dive down to 15m. It’s a good spot for newer divers to get comfortable in cooler waters, with manageable conditions. You'll likely find a good variety of the usual Irish suspects here: crabs scuttling over the rocky bottom, some kelp swaying with the gentle surge, and perhaps a curious blenny or two. We'd suggest it as a relaxed intro to diving in the region.
Typical Gregory’s Sound Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Channel dive - currents can be strong and change direction. Dive at slack tide when possible.
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 Gregory’s Sound
Gregory’s Sound Ocean Conditions
Monthly averages for Gregory’s Sound, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (53.32, -9.66) (22km away)
October Averages
Sea Temperature
14°C
56°F · Range: 11.7–15.4°C
Air Temperature
12°C
54°F
Wind Speed
8.2 m/s
15.9 knots
Atmospheric Pressure
1007.4 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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