Tidal Light was a Thoroughbred racehorse who was the champion filly of her year and beat the colts in the 1987 New Zealand Derby.

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After finishing second in her debut, Tidal Light won ten of her next 13 races, including the Derby, Avondale Guineas, Waikato Guineas, Canterbury Guineas and a Group 1 victory in the Air New Zealand Stakes over older horses under weight-for-age conditions, beating the great Solveig.

She was ridden in most of her 3 year old races by the 1986-87 champion apprentice, Michael Coleman. However, after winning the Avondale Guineas, Coleman broke a bone in his hand and was replaced by Grant Cooksley for Tidal Light's New Zealand Derby win.

She returned in the spring of 1987 as a four-year-old, but failed to win a race and despite some good performances was obviously not the same horse she had been the previous season.

Her three-year-old season earned her both the Three Year-Old of the Year award and Horse of the Year, a rare feat for a filly.

She produced 12 foals for seven race winners and was at Woodlands Stud in Hunter Valley, Australia.

She died in March 2007.^[1]

• Thoroughbred racing in New Zealand