Southwest Coast, Grenada
    Grand Anse

    Boulder City - Grenada

    Best months: Jan–Apr

    Protected Area

    Grand Anse

    Why dive here

    With 263+ marine species recorded in the area - including barracuda, humpback whales, nurse sharks, orcas and sea turtles - Boulder City - Grenada offers some of Southwest Coast's richest reef diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeJan–Apr
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Humpback Whales, Nurse Sharks, Orcas and Sea Turtles · 263+ species recorded
    Water27-30°C · warmest August, September, October
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Boulder City is one of our favourite spots for a seriously slow dive. Drop down, and you’re into a world of big, star-shaped boulders scattered across a gentle slope. It’s not about grand vistas here; it’s all about the tiny stuff, the kind of creatures you have to really look for. We’ve spent whole dives just combing the sandy patches and the edges of the rocks, finding everything from frogfish in mottled camouflage to delicate seahorses, both the lined and the tiny dwarf varieties. The Grenada dive community considers this a proper muck dive, and they’re not wrong. Visibility tends to sit around the 12-meter mark, which is plenty for peering into crevices and sifting through the mud for a glimpse of a sand stargazer or a shy hamlet. If you’re a macro enthusiast, someone who loves to spend twenty minutes with a single creature, this is your happy place. Forget racing around; Boulder City rewards patience and a keen eye. We’d suggest going early in the morning, before other boats stir up the sediment, to maximise your critter-spotting potential.

    Today05:5717:5311h 55m daylightGolden hour 17:24

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    Conditions

    Ocean conditions, forecast and tides for Boulder City - Grenada

    Boulder City - Grenada Ocean Conditions

    Monthly averages for Boulder City - Grenada, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (12.03, -61.78) (0km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29–31.7°C

    Air Temperature

    28°C

    82°F

    Wind Speed

    5.61 m/s

    10.9 knots

    Atmospheric Pressure

    1011.8 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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