Global sea levels rose faster than predicted in 2024, with NASA reporting a rate of 0.23 inches (0.59 cm) per year, compared to the expected 0.17 inches (0.43 cm) per year. The primary cause was found to be thermal expansion,

Last year’s rate of average global sea level rise was 0.23 inches per year, higher than the expected 0.17 inches per year, NASA found. The rise follows are trend of rapidly increasing rates over the past 30 years.

Global sea levels rose more than expected in 2024, Earth's hottest year on record, according to an analysis released Thursday by the US space agency NASA.