Bohol, Philippines

    Kosai

    Good diving all year

    Why dive here

    With 143+ marine species recorded in the area - including barracuda, mandarin fish and pufferfish - Kosai offers some of Bohol's richest diving. Water ranges 28-30°C, warmest May, June, July.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Mandarin Fish and Pufferfish · 143+ species recorded
    Water28-30°C · warmest May, June, July

    Kosai in Bohol gives you a gentle drift over a sloping reef. We often spot garden eels swaying in the sand patches between coral bommies here. It's a relaxed dive, good for photographers or those looking for a calm afternoon outing, usually with mild currents.

    Today05:3917:3711h 57m daylightGolden hour 17:09

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    Conditions

    Ocean conditions, forecast and tides for Kosai

    Kosai Ocean Conditions

    Monthly averages for Kosai, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (9.86, 123.34) (28km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.1–31°C

    Current Speed

    6 cm/s

    Direction: S (180°)

    Chlorophyll-a

    0.081 mg/m³

    Very clear (oligotrophic)

    Salinity

    33.18 PSU

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

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