Coastline profiles of Nomuka in the Tonga archipelago

After spending several days at the island of Tongatapu, the anchor of the Heemskerck suddenly slipped. The ship could not re-anchor in the bay and drifted out to sea, forcing the Zeehaen to also depart involuntarily from Tongatapu to catch up with the Heemskerck. The ships sailed northeast for several days before encountering new islands. The ships anchored at Nomuka, the largest of these, which they named Rotterdam. Here they again made contact, managed to finally fill all their barrels with fresh water and bartered for fresh foods.-Isaac Gilsemans, supercargo on board the Zeehaen, drew these coastline profiles in Abel Tasman’s journal. The top panel and the left part of the second panel show the coastline of the island Rotterdam at 3 miles distance in east-northeast direction. The bottom right shows an island named Namokakij, most likely the small island of Nomuka Iki which lies to the south of Nomuka. It is drawn as seen when it is east at 4 miles distance.