20m
    Intermediate
    Kerama Islands, Japan
    沖縄戦跡

    Tokomasari Reef

    Best months: Jun–Aug

    Protected Area

    沖縄戦跡

    Why dive here

    With 369+ marine species recorded in the area - including barracuda, bull sharks, humpback whales, seahorses and sea turtles - Tokomasari Reef offers some of Kerama Islands's richest reef diving. Water ranges 22-30°C, warmest July, August, September.

    Best timeJun–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Humpback Whales, Seahorses and Sea Turtles · 369+ species recorded
    Water22-30°C · warmest July, August, September
    CharacterReef dive · max 20m
    StandoutExceptional marine biodiversity

    Tokomasari Reef is a solid intermediate dive in the Keramas. We typically find ourselves drifting along a gentle slope, keeping an eye out for larger pelagics moving through the blue. It’s not uncommon to spot reef sharks making lazy passes, and the occasional eagle ray might glide by if you’re lucky. This site is a good choice for divers looking for a relaxed drift and the chance of some bigger animal encounters, without any overly challenging conditions.

    Typical Tokomasari Reef Dive Profile

    10m20mSafety Stop0m20m max~30 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

    Depth of 20m - Advanced Open Water certification recommended.

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

    Today06:2718:0711h 41m daylightGolden hour 17:36

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    Conditions

    Ocean conditions, forecast and tides for Tokomasari Reef

    Tokomasari Reef Ocean Conditions

    Monthly averages for Tokomasari Reef, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (26.24, 127.37) (1km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    29°C

    83°F · Range: 26.4–30.7°C

    Air Temperature

    26°C

    79°F

    Wind Speed

    9.4 m/s

    18.3 knots

    Atmospheric Pressure

    1014.4 hPa

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

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