Cozumel, Mexico
    Arrecifes de Cozumel

    San Francisco Wall

    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 - San Francisco Wall offers some of Cozumel's richest reef 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
    CharacterReef dive
    StandoutExceptional marine biodiversity

    San Francisco Wall might be popular, but for good reason. It’s got that classic Cozumel drift, pushing you along a sheer drop-off that just keeps going. We love how the wall is absolutely studded with barrel sponges, some so huge you could almost climb inside. Keep an eye out from the top of the reef, where we often spot eagle rays cruising over the sand flats, digging for snacks. This isn’t a deep dive, usually topping out around 20 metres, so you get plenty of bottom time to really soak it all in. The currents can get lively here, which means you’re mostly just along for the ride, but it’s perfect for spotting turtles gliding past or watching those big Silver Mojarras shimmer in the sun. Visibility usually hits 28 metres or more, so the light plays beautifully on the deep water gorgonians. If you enjoy a spirited drift and an easy depth, this is a great pick.

    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 San Francisco Wall

    San Francisco Wall Ocean Conditions

    Monthly averages for San Francisco Wall, 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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