Whether the ferries from Ishigaki to Taketomi, Kohama, Kuroshima, Iriomote (Ohara, Uehara), Hatoma and Hateruma are running today, per operator (Anei Kanko, YKF), read from the operators' own status pages. Values: ok, partial (some sailings cancelled), cancelled, or null when the operator has not posted yet (they post in the morning, Japan time). Example: "Are the ferries to Taketomi running today?"