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    Cozumel, Mexico
    Arrecifes de Cozumel

    Colombia Deep

    Good diving all year

    Protected Area

    Arrecifes de Cozumel

    Why dive here

    With 177+ marine species recorded in the area - including barracuda, bull sharks, dolphins, eagle rays and nurse sharks - Colombia Deep offers some of Cozumel's richest diving. Water ranges 27-30°C, warmest August, September, October.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Dolphins, Eagle Rays and Nurse Sharks · 177+ species recorded
    Water27-30°C · warmest August, September, October
    StandoutExceptional marine biodiversity

    Colombia Deep is where Cozumel really shows its teeth. We're talking dramatic, towering coral formations that feel like underwater cathedrals, dropping off into the blue. The currents here can be robust, so it's one for experienced divers who enjoy a drift and know how to manage their buoyancy when the water moves. We love dropping in and letting the current carry us past those huge pinnacles, often spotting Graysby tucked into crevices and Yellowhead Wrasse darting through the coral. Keep an eye out for the Splendid Toadfish; they’re often hiding under ledges. The visibility is usually excellent, giving you that 'flying through space' sensation as you look down into the deeper sections, making it one of our favourite deep drifts on the island.

    Safety Notes

    Strong currents typical this month (avg 79 cm/s). Good buoyancy control essential.

    Today05:4217:2911h 47m daylightGolden hour 17:00

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    Conditions

    Ocean conditions, forecast and tides for Colombia Deep

    Colombia Deep Ocean Conditions

    Monthly averages for Colombia Deep, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: Yucatan Basin - 120 NM ESE of Cozumel, MX (227km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–32.3°C

    Air Temperature

    29°C

    84°F

    Current Speed

    78.6 cm/s

    Direction: NE (36.7°)

    Chlorophyll-a

    0.046 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.99 PSU

    Wave Height

    1.1m

    6.7s period

    Wind Speed

    5.5 m/s

    10.7 knots

    Atmospheric Pressure

    1010.7 hPa

    Visibility

    24.1 nmi

    Based on 5 years of monitoring data · Data sources: NOAA NDBC + Copernicus Marine (EU)

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