Stellwagen Bank - Sponge Forest
Protected Area
Gerry E. Studds/Stellwagen Bank National Marine Sanctuary
Why dive here
With 35+ marine species recorded in the area - including nurse sharks - Stellwagen Bank - Sponge Forest offers some of New England's richest diving. Water ranges 4-19°C, warmest July, August, September.
Stellwagen Bank’s Sponge Forest offers a unique cold-water dive. You'll find a surprising density of sponges and anemones clinging to the rocky seafloor, a real contrast to the usual New England wrecks. It’s a site for experienced drysuit divers comfortable with deeper, often low-visibility conditions, seeking something different off the coast.
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 Stellwagen Bank - Sponge Forest
Stellwagen Bank - Sponge Forest Ocean Conditions
Monthly averages for Stellwagen Bank - Sponge Forest, 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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