Storm floods on the Baltic Sea: Current levels and warnings for SH

Storm floods on the Baltic Sea: Current levels and warnings for SH

Kiel, Deutschland - On June 11, 2025, the challenge that storm surges on the Baltic Sea and North Sea for the coastal regions reflect is reflected in the current level levels. Loud KN-Online.de Sturm floods occur several times a year. In the 2021/2022 season there were a total of seven storm surges, while five storm surges were registered between July 2022 and June 2023. These natural events can cause considerable damage and require a prudent behavior of residents and visitors.

The storm surges are divided into four classes: a storm surge is between 1.00 and 1.25 meters above the middle water level (MW), while the heavy storm surge can reach values ​​of 1.50 to 2.00 meters. Very heavy storm surges cross the 2.00-meter brand. The definitions for water levels are important in order to be able to correctly assess the severity of the events. The highest water level ever measured in Germany was 797 cm and was registered on November 13, 1872.

Current levels

The current levels on the Baltic Sea and North Sea show a differentiated picture. The water levels vary depending on the location and can have significant deviations at different times. For example, the water levels in the North Sea are 538 cm, taking into account the differences to the middle water of +13 cm. The Krückau level shows a water level of 677 cm on June 11, 2025, with a difference to the astronomical tide of +33 cm. These are important information for the flood warnings.

The Flood protection portal leads an extensive list of water levels, as well as differences and drainage on different levels. This data is crucial for the planning and preparations in disaster protection. In Schleswig-Holstein there are currently warnings and the public is informed about various channels such as radio, television and digital platforms.

behavior in storm surge

In the course of the storm surges, there are special rules of conduct. It is recommended to switch off electricity and gas, bring important personal things to higher floors and to have emergency equipment ready. Preparations such as the supply of food and drinking water as well as battery -operated radios can save lives. The recommended emergency numbers are 112 for fire brigade and 110 for the police. The right behavior is of the greatest importance to minimize damage and dangers.

The risk of serious floods is influenced according to Environmental Federal Agency by factors such as wind intensity, coastal quality and flood protection measures. Sturm floods in the coastal areas are due to strong winds, the water masses press against the coast and ensure increased danger in the winter months. The increase in sea level by climate change is considered an additional risk factor.