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) 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 22 July (Wed) 22–25 July 4 days / 8 dives 26 July (Sun) calm season 27~28℃ 7C 26 July (Sun) 26–30 July 5 days / 10 dives 31 July (Fri) calm season 27~28℃ 7D 31 July (Fri) 31 July – 03 Aug 4 days / 8 dives 04 Aug (Tue) calm season 27~28℃ 8A 04 Aug (Tue) 04–07 Aug 4 days / 8 dives 08 Aug (Sat) calm season 27~28℃ 8B Fully booked 08 Aug (Sat) Waiting list available 08–11 Aug 4 days / 8 dives 12 Aug (Wed) calm season 28~...

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...