The largest privately owned residential yacht on earth, aptly called The World, will anchor at Whitianga tomorrow.

Port of Tauranga chief executive says there's no guarantee the port can take ships diverted by strike action at the Ports of Auckland.

Auckland wharfies are at loggerheads with their employer over the hours they work. The port company says rosters are inflexible, the union says proposed changes will ruin family life. Mathew Dearnaley reports on the standoff