Newhaven West Arm
Protected Area
Beachy Head West
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) - Newhaven West Arm offers some of Cornwall & Devon's richest diving. Water ranges 10-18°C, warmest July, August, September.
The West Arm at Newhaven offers a straightforward shore dive, popular for its accessible entry and gentle conditions. You'll find a range of UK temperate species clinging to the wall and rubble, from blennies and crabs to nudibranchs if you look closely. It's a solid choice for newer divers or those wanting an easy potter around, especially when other sites are blown out. We often use it for gear testing or a relaxed hour underwater.
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Conditions
Ocean conditions, forecast and tides for Newhaven West Arm
Newhaven West Arm Ocean Conditions
Monthly averages for Newhaven West Arm, 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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