The east coast of Morotai and Halmahera is only likely to come to life in a major N swell, or in an ENE typhoon. Reports on this area indicate that the Atoll Reefs off islets near Tobelo could go off, with two lefts witnessed but not surfed.
Stormrider Guide for Atoll Reefs
All TidesAll Tides
Left-hand break over submerged reefLeft-hand break over submerged reef