Cozumel, Mexico
    Arrecifes de Cozumel

    Chunchacah

    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 - Chunchacah offers some of Cozumel's richest pinnacle 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
    CharacterPinnacle dive
    StandoutExceptional marine biodiversity

    Chunchacah is often the second dive after Maracaibo, and it’s a good follow-up. We love how the reef stretches out, a constant 21 meters, giving you plenty of time to explore the big coral heads and fan corals. It’s a drift, naturally, and while the currents can be a bit shifty, they usually just carry you along nicely. You’ll drift past thickets of sea plums and sponges, with gorgonians swaying in the flow. Keep an eye out for eagle rays gliding past, and we’ve often spotted turtles here, too. The reef is busy with trumpetfish poking around, and the occasional Caribbean chestnut moray peeking out from a crevice. It’s a fantastic site for those who enjoy a relaxed drift over a healthy reef, with good chances of seeing some bigger pelagics along with the smaller reef residents.

    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 Chunchacah

    Chunchacah Ocean Conditions

    Monthly averages for Chunchacah, 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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