All data are in degrees Fahrenheit

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Water temperature in Gdańsk

Detailed information about the current water temperature in Gdańsk. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Gdańsk now

66.0

°F

August 25, 03:59

Trend:

decreasing

Yesterday:

66.3°F

Tomorrow:

65.7°F

Sunrise:

05:39

Sunset:

19:55

Day Length:

14 h. 16 min.

Gdańsk in September

Minimum:

37.1°F

Average:

38.9°F

Maximum:

40.8°F

Sea water temperature in Gdańsk today

As of now, in Gdańsk, the water temperature is 66.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 69.8°F on 2022, while the historical minimum was 65.2°F on 2016.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.5°F, the minimum temperature may reach 65.2°F, and the maximum might stay at 65.8°F.

Daily water temperature in Gdańsk

Date Current Year

actual* / forecast**

last year 10 years average
Aug 11 67.0°F 66.5°F 68.3°F
Aug 12 66.7°F 66.1°F 68.0°F
Aug 13 66.5°F 65.2°F 67.5°F
Aug 14 66.9°F 67.4°F 67.7°F
Aug 15 67.7°F 68.9°F 67.9°F
Aug 16 68.0°F 69.2°F 68.2°F
Aug 17 67.7°F 68.1°F 68.1°F
Aug 18 67.1°F 68.5°F 68.2°F
Aug 19 66.5°F 67.8°F 68.1°F
Aug 20 66.8°F 68.0°F 68.2°F
Aug 21 66.6°F 67.8°F 68.2°F
Aug 22 66.5°F 67.0°F 67.9°F
Aug 23 66.4°F 67.2°F 67.7°F
Aug 24 66.3°F 66.6°F 67.9°F
Aug 25 66.0°F 65.7°F 67.5°F
Aug 26 65.7°F 65.6°F 67.3°F
Aug 27 65.8°F 64.8°F 67.3°F
Aug 28 65.6°F 64.7°F 67.1°F
Aug 29 65.5°F 64.5°F 67.1°F
Aug 30 65.6°F 64.6°F 67.1°F
Aug 31 65.2°F 64.4°F 66.7°F
Sep 1 65.4°F 65.5°F 66.9°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Gdańsk by month

In an average year, Gdańsk offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Gdańsk was recorded on August 3, 2018, reaching a 75.4°F. While the coldest temperature occurred on February 4, 2026, dipping to 32.0°F. The average readings by season are 38.8°F in Winter, 43.4°F in Spring, 65.1°F in Summer, and 55.6°F in Autumn.