Another big day for double-hulled canoes that navigate by the stars will be the arrival in Tauranga in mid-February of two Hawaiian waka, Hokule'a and sister canoe Hikianalia.
The two waka are on a round-the-world voyage to spread the message that people need to look after their planet. Low-lying Pacific and Indian Ocean islands are already threatened by rising sea levels caused by rising levels of CO2 in the Earth's atmosphere.
The Hawaiian canoes are on their way to Napier after which they will head to Wellington and Picton before returning up the East Coast to enter Tauranga Harbour.
Mr Thatcher, who helped sail the Hokule'a from Tonga to New Zealand, will be on board for the crossing of the Indian Ocean, starting at Darwin and finishing at Durban in South Africa.
The voyage across the ocean will start about the middle of the year.