New London Ledge Lighthouse
Protected Area
Jordan Cove Road
Why dive here
With 35+ marine species recorded in the area - including nurse sharks - New London Ledge Lighthouse offers some of New England's richest diving. Water ranges 4-19°C, warmest July, August, September.
The New London Ledge Lighthouse is a unique dive, more about the structure itself than abundant marine life. You’ll find curious tautog and Cunner wrasse darting around the granite blocks that form the lighthouse's foundation. It’s a shallower dive, perfect for a relaxed afternoon exploring the man-made architecture. We’d suggest this one for photographers looking for something a bit different, or divers keen on local history.
Safety Notes
Cold water this month (avg 15°C). Drysuit or thick wetsuit (7mm+) recommended.
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Conditions
Ocean conditions, forecast and tides for New London Ledge Lighthouse
New London Ledge Lighthouse Ocean Conditions
Monthly averages for New London Ledge Lighthouse, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (42.6, -70.6) (0km away)
October Averages
Sea Temperature
15°C
59°F · Range: 12.8–18.1°C
Air Temperature
10°C
50°F
Wind Speed
3.78 m/s
7.3 knots
Atmospheric Pressure
1017 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
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