Similan Islands, Thailand
    Krabi Environmental Protected Area

    Viking Cave

    Best months: Jan–May

    Protected Area

    Krabi Environmental Protected Area

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Viking Cave offers some of Similan Islands's richest cave diving. Water ranges 29-31°C, warmest April, May, June.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlacktip Reef Sharks, Eagle Rays, Giant Moray Eels, Whale Sharks and Clownfish · 173+ species recorded
    Water29-31°C · warmest April, May, June
    CharacterCave dive
    StandoutExceptional marine biodiversity

    Viking Cave isn't a dive *into* the cave itself, but rather a site named for the impressive cavern entrance visible from the surface on Koh Phi Phi Leh. We drop down to explore the wall and rocky formations outside. It’s a shallower dive, usually good for spotting reef fish tucked into crevices and perhaps a passing turtle. Best for a relaxed second or third dive of the day.

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Today06:1318:1211h 59m daylightGolden hour 17:44

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    Conditions

    Ocean conditions, forecast and tides for Viking Cave

    Viking Cave Ocean Conditions

    Monthly averages for Viking Cave, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.1, 98.3) (6km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–30.4°C

    Current Speed

    5.1 cm/s

    Direction: S (191.3°)

    Salinity

    29.75 PSU

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

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