Black Water Dive® - Official website

  This image is a composite created using only marine life encountered off Kume Island in 2025. Off Kume Island Blackwater Dive Schedule (May–August 2026)   Last updated on April 10, 2026 Set Arrival Dive Schedule Days / Dives Departure Notes 5A 01 May (Fri) 01–05 May 5 days / 10 dives 06 May (Wed) beginning of the blackwater season 22~24℃ 5B 06 May (Wed) 06–09 May 4 days / 8 dives 10 May (Sun) beginning of the blackwater season 22~24℃ 7A Fully booked 17 July (Fri) Waiting list available 17–21 July 5 days / 10 dives 22 July (Wed) calm season 27~28℃ 7B Fully booked 22 July (Wed) Waiting list available 22–25 July 4 days / 8 dives 26 July (Sun) calm season 27~28℃ 7C Fully booked 26 July (Sun) Waiting list available 26–30 July 5 days / 10 dives 31 July (Fri) calm season 27~28℃ 7D Fully booked 31 July (Fri) Waiting list available 31 July – 03 Aug 4 days / 8 dives 04 Aug (Tue) calm season 27~28℃ 8A Fully booked 04 Aug (Tue) Waiting ...

This image is a composite created using only marine life encountered off Kume Island in 2025. Off Kume Island Blackwater Dive Schedule (May–August 2026) Set Arrival Dive Schedule Days / Dives Departure Notes 5A 01 May (Fri) 01–05 May 5 days / 10 dives 06 May (Wed) Early May – beginning of the blackwater season in Japan 5B 06 May (Wed) 06–09 May 4 days / 8 dives 10 May (Sun) Ideal short option for early summer diving 7A 17 July (Fri) 17–21 July 5 days / 10 dives 22 July (Wed) Great option before Japan’s national holidays begin 7B 22 July (Wed) 22–25 July 4 days / 8 dives 26 July (Sun) Ends on Saturday – ideal for working professionals 7C 26 July (Sun) 26–30 July 5 days / 10 dives 31 July (Fri) Peak summer season – warm waters and marine life abound 7D 31 July (Fri) 31 July – 03 Aug 4 days / 8 dives 04 Aug (Tue) Includes a weekend – flexible for many schedules 8A 04 Aug (Tue) 04–07 Aug 4 d...