DivePlnr
    Halfway Rock dive site
    reef
    10-25m
    New England, United States
    South Essex Ocean Sanctuary

    Halfway Rock

    Best months: Jul–Sep

    Protected Area

    South Essex Ocean Sanctuary

    Why dive here

    With 35+ marine species recorded in the area - including nurse sharks - Halfway Rock offers some of New England's richest reef diving. Water ranges 4-19°C, warmest July, August, September.

    Best timeJul–Sep
    WetsuitA 5mm wetsuit
    Marine lifeNurse Sharks · 35+ species recorded
    Water4-19°C · warmest July, August, September
    CharacterReef dive · max 10-25m

    Halfway Rock is a New England dive that delivers classic rocky reef conditions. We're talking rugged ledges and crevices, perfect for spotting lobsters hunkered down and various crabs scuttling about. The site is pretty exposed, so we usually find a bit of surge, but that just adds to the atmosphere. It's a straightforward dive, good for getting your cold water fix and enjoying the local critters without too much fuss.

    Typical Halfway Rock Dive Profile

    5m10mSafety Stop0m10m max~60 min estimated bottom time

    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.

    Today05:5117:1111h 20m daylightGolden hour 16:33

    Nearest Dive Centres to Halfway Rock

    Dive shops near Halfway Rock

    Undersea Divers

    15km away
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    Boston Scuba Inc

    26km away
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    So. Shore Divers

    33km away
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    EC Divers Inc

    34km away
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    R & R Marine

    42km away
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    North Atlantic Scuba

    46km away
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    View all dive centres in New England

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    Conditions

    Ocean conditions, forecast and tides for Halfway Rock

    Halfway Rock Ocean Conditions

    Monthly averages for Halfway Rock, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (42.6, -70.6) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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