5m
    Mar del Plata, Argentina

    MONONA

    Best months: Jan–Mar

    Why dive here

    With 33+ marine species recorded in the area - including sperm whales - MONONA offers some of Mar del Plata's richest wreck diving. Water ranges 10-21°C, warmest January, February, March.

    Best timeJan–Mar
    WetsuitA 5mm wetsuit
    Marine lifeSperm Whales · 33+ species recorded
    Water10-21°C · warmest January, February, March
    CharacterWreck dive · max 5m

    We’ve dived a lot of wrecks over the years, but Monona holds a special place. It’s not about grand scale or deep penetration; this is a shallow wreck, only 5 metres down, right off Mar del Plata. What we love about it is the sheer volume of life that has claimed it. The old motor vessel lies broken, its steel ribs creating a perfect habitat for everything from small octopus tucked into crevices to schools of small fish darting through the superstructure. Our favourite time to dive Monona is definitely on a calm morning, when the sun filters through the relatively shallow water. You can spend a good hour exploring the different sections, finding rusted machinery and imagining its past. It’s a gentle dive, really, suited for anyone who appreciates the history of a wreck and the way nature reclaims man-made objects. You’ll often find us just hovering, watching the small crabs scuttling over the hull, a stark contrast to the busy beaches just above. Just watch out for the occasional fishing line snagged on the wreck, a minor hazard but one to be aware of.

    Typical MONONA Dive Profile

    5mSafety Stop0m5m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today05:1918:0412h 45m daylightGolden hour 17:31

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    Conditions

    Ocean conditions, forecast and tides for MONONA

    MONONA Ocean Conditions

    Monthly averages for MONONA, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-38.05, -57.5) (0km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    14°C

    56°F · Range: 11.1–16.9°C

    Current Speed

    2.83 cm/s

    Direction: SE (135°)

    Salinity

    0 PSU

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

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