NZ’s record-breaking ocean temperatures – Expert Reaction

Since 1982, oceanic sea-surface temperatures have increased by up to 1.05°C, and coastal sea-surface temperatures by up to 1.35°C. The new data also cover marine heatwaves, finding the Western North Island region experienced heatwave conditions for 89 percent of the year, the highest among the nine coastal regions measured.

This is a companion discussion topic for the original entry at