Pot Island, Lake Winnisquam
Why dive here
With 35+ marine species recorded in the area - including nurse sharks - Pot Island, Lake Winnisquam offers some of New England's richest shore diving. Water ranges 4-19°C, warmest July, August, September.
Pot Island in Lake Winnisquam offers a decent freshwater dive, a solid pick if you’re in New England and craving some time underwater. We've dropped in here a few times and found it reliably hits around 18 meters, a comfortable depth for most intermediate divers. Visibility can be a bit variable, but on a good day, you'll spot plenty of bass and perch darting between the rocks and submerged logs. It's a relaxed, easygoing dive, perfect for knocking the rust off your skills or just enjoying the quiet calm of a lake environment. Don’t expect tropical colors, but for a local freshwater fix, it certainly delivers.
Typical Pot Island, Lake Winnisquam Dive Profile
Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.
Safety Notes
Cold water this month (avg 15°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 Pot Island, Lake Winnisquam
Pot Island, Lake Winnisquam Ocean Conditions
Monthly averages for Pot Island, Lake Winnisquam, 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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