Skip to Content

Support functions


Table of contents

Breadcrumb trail


Wave height information also available at

Location of wave buoys
1.Northern Baltic Proper
59°15 N 21°00 E

Significant wave height: 3.9 m

Highest individual wave: 7.1 m

Sea surface temperature: 9.6 °C

25.10.2014 at 12:30 UTC

59°58 N 25°14 E

Significant wave height: 1.9 m

Highest individual wave: 2.7 m

25.10.2014 at 14:01 UTC

3.Bothnian Sea
61°48 N 20°14 E

Significant wave height: 2.8 m

Highest individual wave: 5.1 m

25.10.2014 at 14:00 UTC

4.Bay of Bothnia
64° 41.0N, 23°14.5E

Significant wave height: 2.2 m

Highest individual wave: 4.0 m

25.10.2014 at 14:00 UTC



Wave height graph´s colors

  • Blue: observed
  • Red: wave model´s forecast
  • Magenta: calculated by wave model

UTC-time is 2 hours behind Finnish normal time and 3 hours behind Finnish summer time.

Finnish Meteorological Institute has four buoys in the Baltic Sea that measure waves in the open sea season. These wave buoys are located in the Northern Baltic Proper, off Helsinki, in the Bothnian Sea and in the Bay of Bothnia.

In addition to the Baltic Sea Now website, wave height data is accessible by slow internet connections (such as portable communicators):

Related topics

More information

Finnish Meteorological Institute Marine Weather


Ministry of the Environment Finnish Environment Institute Finnish Meteorological Institute

Back to top