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 5B 06 May (Wed) 06–09 May 4 days / 8 dives 10 May (Sun) Ideal short option for diving 7A 17 July (Fri) 17–21 July 5 days / 10 dives 22 July (Wed) the beginning of the calm season 7B 22 July (Wed) 22–25 July 4 days / 8 dives 26 July (Sun) the beginning of the calm season 7C 26 July (Sun) 26–30 July 5 days / 10 dives 31 July (Fri) the beginning of the calm season 7D 31 July (Fri) 31 July – 03 Aug 4 days / 8 dives 04 Aug (Tue) calm travel season 8A 04 Aug (Tue) 04–07 Aug 4 days / 8 dives 08 Aug (Sat) calm travel season 8B 08 Aug (Sat) Fully booked Waiting list available 08–11 Aug 4 days / 8 dives 12 Aug (Wed) calm travel season 8C 12 Aug (Wed) 12–15 Aug 4 days / 8 dives 16...