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

69.2

°F

June 29, 20:48

Trend:

increasing

Yesterday:

67.9°F

Tomorrow:

69.4°F

Sunrise:

04:14

Sunset:

21:24

Day Length:

17 h. 10 min.

Gdańsk in July

Minimum:

37.0°F

Average:

38.9°F

Maximum:

40.0°F

Sea water temperature in Gdańsk today

As of now, in Gdańsk, the water temperature is 69.2°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 4.1°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.8°F on 2020, while the historical minimum was 60.0°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 69.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Gdańsk

Date Current Year

actual* / forecast**

last year 10 years average
Jun 15 58.4°F 55.1°F 60.9°F
Jun 16 57.2°F 57.2°F 61.0°F
Jun 17 57.4°F 58.1°F 61.3°F
Jun 18 58.3°F 57.7°F 61.4°F
Jun 19 58.6°F 59.4°F 62.0°F
Jun 20 60.7°F 59.2°F 62.4°F
Jun 21 60.2°F 59.2°F 62.8°F
Jun 22 62.0°F 60.2°F 62.9°F
Jun 23 64.0°F 57.7°F 63.0°F
Jun 24 64.7°F 58.5°F 63.5°F
Jun 25 65.9°F 58.7°F 63.9°F
Jun 26 67.1°F 59.1°F 64.8°F
Jun 27 66.9°F 57.5°F 65.0°F
Jun 28 67.9°F 59.7°F 65.1°F
Jun 29 69.2°F 60.0°F 65.2°F
Jun 30 69.4°F 60.9°F 65.3°F
Jul 1 69.0°F 60.7°F 64.9°F
Jul 2 69.1°F 61.6°F 65.0°F
Jul 3 69.2°F 64.1°F 65.2°F
Jul 4 68.9°F 62.4°F 64.9°F
Jul 5 68.7°F 62.5°F 64.6°F
Jul 6 68.9°F 62.5°F 64.8°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.