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Current water temperatures in the Baltic Sea: Where can I swim?
Current water temperatures in the Baltic Sea on September 27th, 2025 for Flensburg and other places in Schleswig-Holstein.
Current water temperatures in the Baltic Sea: Where can I swim?
What is happening on the Baltic Sea? Today, September 27, 2025, bathers in Schleswig-Holstein can look forward to the current water temperatures, which are provided by the Kiel News be provided. Temperatures vary depending on location. Here is a selection of the measured water temperatures:
- Glücksburg-Holnis Haken
- Flensburg/Klues
- Langballigau
- Gelting Mole
- Maasholm
- Damp
- Eckernförde
- Surendorf
- Kiel-Holtenau
- Kalifornien
- Schönberger Strand
- Todendorf
- Hohwacht
- Weissenhäuser Strand
- Heiligenhafen
- Puttgarden
- Burgstaaken
- Dahme
- Grömitz
- Neustadt
- Pelzerhaken
- Timmendorfer Strand
- Travemünde
The current data comes from various sources, including the German Weather Service (DWD) and the Federal Maritime and Hydrographic Agency (BSH). The latter offers daily current information not only for the Baltic Sea, but also for the German North Sea coast. This includes air temperatures, wind and sea conditions, water level forecasts and the rising and setting times of the sun and moon, such as BSH reported.
A look at the water temperatures
The average water temperature in the entire Baltic Sea is currently around 15°C, that's how it describes it Efficiency Institute. However, there can be big differences depending on the region: places like Fehmarn and Rügen have significantly cooler water temperatures of around 10°C. The water temperature varies depending on the season and can reach up to 20°C, especially in the summer months.
Seasonal changes are also important to note. In winter the temperature drops to 3-4°C, while in spring it can rise to 13°C. Autumn temperatures range between 10 and 15°C, which could be ideal for swimming and other water sports.
Water sports and safety
For water sports enthusiasts, values are crucial. Swimming is ideally recommended in water temperatures between 18 and 22°C. Surfers feel most comfortable between 16 and 20°C, while sailing is also possible from 15°C. Kayaking is possible from temperatures as low as 14°C. In cooler temperatures below 16°C, the wetsuit is a must to ensure safety and well-being in the water.
To make water temperature forecasts more precise, the BSH collects the data using state-of-the-art technologies, including satellites and automated weather stations. Feedback is requested to further improve the information provided.
Whether for a relaxing vacation or for your next swimming trip – the weather and the water temperature play an important role. The Baltic Sea has a lot to offer, and today's values are another incentive to enjoy the refreshing waves of the German coast!