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Flensburg

Water Temperature in the Baltic Sea in Flensburg, Germany: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Flensburg in Germany, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Flensburg

11.8°C

TODAY

12.4°C

YESTERDAY

12.0°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Baltic Sea in Flensburg is 11.8°C. The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart for Baltic Sea in Flensburg Over the Last 30 Days

The water temperature in Flensburg today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Flensburg will remain nearly unchanged in the coming days, its value will be 11.8°C.

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Germany to enhance accuracy.

Water temperature data for Flensburg and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

Date	Current	Average	Forecast
May 6	12.0°C	10.0°C
May 7	12.1°C	10.3°C
May 8	11.3°C	10.0°C
May 9	10.4°C	10.5°C
May 10	11.6°C	10.3°C
May 11	11.3°C	10.8°C
May 12	12.4°C	11.3°C
May 13	11.8°C	11.3°C
May 14		11.3°C	11.7°C
May 15		11.3°C	11.6°C
May 16		11.8°C	11.6°C
May 17		11.8°C	11.6°C
May 18		11.5°C	11.6°C
May 19		12.0°C	11.6°C
May 20		12.3°C	11.7°C
May 21		12.3°C	11.8°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Sea Temperature in Flensburg Throughout the Year

Throughout the year, the sea temperature in Flensburg exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 42 days.

Below is the annual chart of sea temperature changes in the Baltic Sea in Flensburg.

January

Minimum	Average	Maximum
0°C	3°C	6°C

February

Minimum	Average	Maximum
0°C	2.5°C	5°C

March

Minimum	Average	Maximum
0°C	3°C	6°C

April

Minimum	Average	Maximum
4°C	7°C	10°C

May

Minimum	Average	Maximum
8°C	11.5°C	15°C

June

Minimum	Average	Maximum
12°C	15.5°C	19°C

July

Minimum	Average	Maximum
15°C	18°C	21°C

August

Minimum	Average	Maximum
16°C	18.5°C	21°C

September

Minimum	Average	Maximum
12°C	16°C	20°C

October

Minimum	Average	Maximum
8°C	12.5°C	17°C

November

Minimum	Average	Maximum
4°C	9°C	14°C

December

Minimum	Average	Maximum
1°C	5°C	9°C

Monthly Water Temperature Histogram for Baltic Sea in Flensburg

You can explore detailed data on how the water temperature in Flensburg varies each month:

What Beaches Are There In and Around Flensburg?

Hundestrand Ostseebad

Hundestrand Ostseebad is a 2-stars sandy beach, located in a 3 km (2 miles) radius of Flensburg. There are restrooms.

Strandbad Wassersleben

Strandbad Wassersleben is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Flensburg. There is parking. There are restrooms.

Hundestrand Solitude

Hundestrand Solitude is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Flensburg. There is parking. There are restrooms. There are cafés.

Solitude Beach

Solitude Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Flensburg. For those who prefer clothing-optional beaches, Solitude Beach is a designated nudist beach. There is parking. There are restrooms. There are cafés. It is suitable for surfing.

Glucksburg Beach

Glucksburg Beach is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Flensburg. For those who prefer clothing-optional beaches, Glucksburg Beach is a designated nudist beach. There is parking. There are restrooms. There are cafés. Glucksburg Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Kollund Strand

Kollund Strand is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Flensburg. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards.

Quellental Strand

Quellental Strand is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Flensburg. There is parking.

Sønderhav Strand - ALL You Need To Know

Sønderhav Strand - ALL You Need To Know is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Flensburg. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards.

Flensburg Weather

MAY 14

7°C / 16°C

overcast clouds: 85-100%

humidity: 58% | wind: 5 km/h

MAY 15

7°C / 16°C

clear sky

humidity: 73% | wind: 5 km/h

MAY 16

6°C / 18°C

clear sky

humidity: 70% | wind: 4 km/h

MAY 17

9°C / 9°C

clear sky

humidity: 90% | wind: 3 km/h

Sea Temperature in the Baltic Sea in Flensburg: General Trends and Swimming Opportunities

Original name

Flensburg

The Local Time

22:52

Time Zone

UTC+2

Sunrise

05:17

Sunset

21:19

Length of the day

16 h 1 m

The coastal region of Schleswig-Holstein, Germany features a maritime climate, characterized by mild summers with temperatures averaging around 17-20°C, and cool winters that hover around 1-3°C. Precipitation is evenly distributed throughout the year, with slightly more during the warm months.

Flensburg is located in Europe in the Northern Hemisphere at a latitude of 55 degrees, along the shores of the Baltic Sea. Flensburg lies within the Schleswig-Holstein in Germany.

The average annual daytime air temperature in Flensburg is 12°C (54°F), with the average nighttime temperature being 6°C (43°F). The highest average daily temperature occurs in July, reaching 22°C (71°F), while the lowest is in January at 4°C (38°F). As for nighttime temperatures, the minimum average temperature of -1°C (31°F) is recorded in February, and the maximum is in August, reaching 13°C (56°F).

According to historical data, Flensburg experiences 132 rainy days per year, which accounts for 36 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is January, with 12 rainy days and 69 mm (2.7 inches) of precipitation, while the driest month is April, which typically has 9 rainy days and only 39 mm (1.5 inches) of precipitation.

The average annual water temperature in Baltic Sea in Flensburg is 10°C (50°F). In January, the water reaches its lowest point of the year at 0°C (32°F), while in July, it peaks at 21°C (70°F). In Flensburg, the water temperature in the Baltic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Flensburg

Nearby Cities

Frequently Asked Questions About Flensburg and its Water Temperatures

What is the current sea temperature in Flensburg?

The water temperature today in the Baltic Sea in Flensburg is 53°F (11.8°C).

In which months is the water temperature in Flensburg comfortable for swimming?

It cannot be guaranteed that the water temperature in Flensburg will be comfortable for swimming in any month of the year.

What is the water temperature in Flensburg during the winter?

The water temperature in the Baltic Sea in Flensburg during the winter ranges from 0°C to 9°C (32°F to 48°F).

What is the water temperature in Flensburg during the spring?

The water temperature in the Baltic Sea in Flensburg during the spring ranges from 0°C to 15°C (32°F to 59°F).

What is the water temperature in Flensburg during the summer?

The water temperature in the Baltic Sea in Flensburg during the summer ranges from 12°C to 21°C (54°F to 70°F).

What is the water temperature in Flensburg during the fall?

The water temperature in the Baltic Sea in Flensburg during the fall ranges from 4°C to 20°C (39°F to 68°F).

Is it possible to swim in the sea in Flensburg at any time of the year?

The Baltic Sea in Flensburg is quite cool, and swimming is only possible in July, and August when the water temperature reaches 21°C (70°F).

Is Flensburg a popular tourist destination for beach vacations?

Flensburg a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.

What sea temperatures can I expect in Flensburg in the next month?

In June, the water temperature in the Baltic Sea in Flensburg will range between 54°F (12°C) and 66°F (19°C)