Nova Scotia, Canada
    DUC Fee Simple Lands

    Black Reef

    Best months: Aug–Oct

    Protected Area

    DUC Fee Simple Lands

    Why dive here

    With 77+ marine species recorded in the area - including blue sharks, dwarf minke whales, humpback whales, ocean sunfish (mola mola) and jellyfish lake - Black Reef offers some of Nova Scotia's richest reef diving. Water ranges 1-17°C, warmest August, September, October.

    Best timeAug–Oct
    WetsuitA 7mm wetsuit with a hood
    Marine lifeBlue Sharks, Dwarf Minke Whales, Humpback Whales, Ocean Sunfish (Mola Mola) and Jellyfish Lake · 77+ species recorded
    Water1-17°C · warmest August, September, October
    CharacterReef dive
    StandoutRich in charismatic marine life

    Black Reef, off the coast of Nova Scotia, really stands out for its cold-water corals. It’s not the colourful, tropical kind, but a deep, somewhat eerie beauty that feels ancient. We've often found ourselves drifting along, mesmerised by the white and orange soft corals swaying in the current. It’s a site for those who appreciate the subtle drama of the North Atlantic. Visibility can be a mixed bag; we’ve had days where it stretched out to a good 15 metres, and others where it felt like diving in a cup of tea. Our tip is to check local reports for recent conditions. When it’s good, you’ll spot things like Atlantic Wolffish tucked into crevices, their grumpy faces peering out. We’ve also seen a surprising number of Lined seahorses clinging to kelp fronds, which is always a treat. Keep an eye out for various rocklings too, often camouflaged against the rocks. The water is consistently chilly, so a drysuit is non-negotiable here. Black Reef is best suited for experienced divers comfortable with cold water and variable conditions, offering a unique glimpse into a truly wild underwater ecosystem.

    Safety Notes

    Cold water this month (avg 15°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:2417:4111h 17m daylightGolden hour 17:01

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    Conditions

    Ocean conditions, forecast and tides for Black Reef

    Black Reef Ocean Conditions

    Monthly averages for Black Reef, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (44.6, -63.5) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    15°C

    58°F · Range: 8.7–17.2°C

    Current Speed

    1 cm/s

    Direction: N (0°)

    Salinity

    30.56 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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