 He charted the entire bay, including the Geelong area, believing he was the first to sight the huge expanse of water, but in a rush to reach Sydney before winter set in, he left Port Phillip on 3 May.In January 1803, Surveyor-General Charles Grimes arrived at Port Phillip in the sloop and mapped the area, including the future site of Geelong, but reported the area was unfavourable for settlement and returned to Sydney on 27 February.In October of the same year, led by Lieutenant Colonel David Collins arrived in the bay to establish the Sullivan Bay penal colony.