Sea level presented according to N2000 (new) and the theoretical mean water height systems. The probability forecast shows medians and 50 % and 80 % probabilities with colors. More information is shown if the pointer is set on the graph.

More information

• About height systems and how to understand sea level data:

  • Height systems

  • How to read this page: Marine weather online

  • Traficom: N2000 fairway and nautical chart reform

• Vesi.fi: Flood maps

• Warnings of sea level:

  • Sea level warnings

  • Current warnings

• Oceanographic services

• Sea level variations in Finland