55m
    Algarve & Berlengas, Portugal
    Ria de Alvor

    SHETLAND

    Best months: Jun–Oct

    Protected Area

    Ria de Alvor

    Why dive here

    With 116+ marine species recorded in the area - including blue sharks, blue whales, dolphins, dwarf minke whales and ocean sunfish (mola mola) - SHETLAND offers some of Algarve & Berlengas's richest wreck diving. Water ranges 15-19°C, warmest June, October, November.

    Best timeJun–Oct
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Blue Whales, Dolphins, Dwarf Minke Whales and Ocean Sunfish (Mola Mola) · 116+ species recorded
    Water15-19°C · warmest June, October, November
    CharacterWreck dive · max 55m
    StandoutRich in charismatic marine life

    The Shetland, a steamship that went down off Cape St. Vincent in 1943, sits at a substantial 55 meters. This is a deep dive, making it one for experienced technical divers comfortable with those depths and the decompression protocols involved. We found the wreck still largely intact, a somber but fascinating structure with its cargo holds offering some exploration for properly trained divers. Over the decades, the hull has become home to conger eels, resident grouper, and we spotted several large spider crabs picking their way across the deck. It’s a site that tells a story, though conditions can be variable with currents occasionally strong, so pick your day carefully.

    Typical SHETLAND Dive Profile

    15m30m45m60mSafety Stop0m55m max~15 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

    Maximum depth 55m exceeds recreational limits (40m). Technical diving certification and equipment required.

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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:4017:0611h 26m daylightGolden hour 16:32

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    Conditions

    Ocean conditions, forecast and tides for SHETLAND

    SHETLAND Ocean Conditions

    Monthly averages for SHETLAND, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (37.92, -8.81) (40km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    19°C

    65°F · Range: 16.7–20.2°C

    Air Temperature

    18°C

    65°F

    Wind Speed

    8.24 m/s

    16.0 knots

    Atmospheric Pressure

    1017.4 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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