Florida Keys, United States
    USS Massachusetts (BB-2) Underwater Archaeological Preserve

    Sylvia

    Best months: Apr–Jun

    Protected Area

    USS Massachusetts (BB-2) Underwater Archaeological Preserve

    Why dive here

    With 87+ marine species recorded in the area - including bull sharks, dolphins, hammerhead sharks, seahorses and sea turtles - Sylvia offers some of Florida Keys's richest diving. Water ranges 19-32°C, warmest July, August, September.

    Best timeApr–Jun
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBull Sharks, Dolphins, Hammerhead Sharks, Seahorses and Sea Turtles · 87+ species recorded
    Water19-32°C · warmest July, August, September
    StandoutRich in charismatic marine life

    Sylvia might not be the poster child for Keys diving, but we’ve had some genuinely interesting encounters here. It’s a good spot for a relaxed drift, often with sand chutes running between low coral mounds. Keep your eyes peeled for those masters of disguise, the Fringed and Gulf Flounders, blending in almost perfectly. We’ve also spotted Sand Perch and the occasional Lancer Stargazer buried in the substrate, alongside schools of Porgy. If you're into finding the smaller, more elusive critters, Sylvia delivers a quiet charm.

    Today05:4817:2511h 37m daylightGolden hour 16:53

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    Conditions

    Ocean conditions, forecast and tides for Sylvia

    Sylvia Ocean Conditions

    Monthly averages for Sylvia, sourced from NOAA NDBC + Copernicus Marine (EU) - nearest station: 8725520 - Fort Myers, FL (28km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    27°C

    81°F · Range: 20.9–31.1°C

    Air Temperature

    26°C

    79°F

    Current Speed

    0 cm/s

    Direction: S (180°)

    Salinity

    35.98 PSU

    Wind Speed

    2.7 m/s

    5.2 knots

    Atmospheric Pressure

    1014.5 hPa

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

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