Great Cut
Protected Area
West Coast Dive Site
Why dive here
With 362+ marine species recorded in the area - including barracuda, blacktip reef sharks, dolphins, dwarf minke whales and humpback whales - Great Cut offers some of Long Island's richest diving. Water ranges 26-30°C, warmest August, September, October.
Great Cut on Long Island offers a pretty consistent wall dive. You’ll find healthy hard corals clinging to the drop-off, with plenty of reef fish darting in and out. It’s a solid pick for divers looking for a straightforward Caribbean wall without too much fuss. We'd suggest it for an easy second dive.
Reviews for Great Cut
Conditions
Ocean conditions, forecast and tides for Great Cut
Great Cut Ocean Conditions
Monthly averages for Great Cut, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (23.66, -74.95) (14km away)
October Averages
Sea Temperature
30°C
85°F · Range: 28–30.8°C
Current Speed
8.94 cm/s
Direction: NW (333.4°)
Chlorophyll-a
0.053 mg/m³
Very clear (oligotrophic)
Salinity
36.55 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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