Norddeutsches Küsten- und Klimabüro
Global mean sea level

Recent sea level rise

  • During the last 100 years, the global mean sea level (GMSL) has risen about 18 cm on average.
  • During the last 50 years, GMSL has risen about 13 cm on average.
  • GMSL of the current year is the highest since the beginning of data availability.
  • *Note: Due to changing availablities of GMSL data, inhomogeneities in the arithmetic mean can not be excluded.