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

46.8

°F

May 12, 01:19

Trend:

increasing

Yesterday:

46.7°F

Tomorrow:

47.0°F

Sunrise:

04:47

Sunset:

20:38

Day Length:

15 h. 51 min.

Gdańsk in May

Minimum:

37.3°F

Average:

39.3°F

Maximum:

40.9°F

Sea water temperature in Gdańsk today

As of now, in Gdańsk, the water temperature is 46.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.8°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 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 minimum temperature for this date. The maximum temperature recorded for this date was 56.8°F on 2018, while the historical minimum was 44.9°F on 2017.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 48.3°F, with minimum temperature starting at 47.0°F, while the maximum might reach 48.9°F.

Daily water temperature in Gdańsk

Date Current Year

actual* / forecast**

last year 10 years average
Apr 28 43.0°F 49.3°F 44.4°F
Apr 29 44.4°F 49.1°F 44.5°F
Apr 30 43.6°F 49.2°F 45.0°F
May 1 44.3°F 49.5°F 46.4°F
May 2 47.1°F 49.4°F 46.9°F
May 3 47.9°F 50.2°F 46.7°F
May 4 45.7°F 49.4°F 46.2°F
May 5 46.7°F 49.1°F 46.8°F
May 6 43.9°F 49.6°F 47.2°F
May 7 42.8°F 48.5°F 47.0°F
May 8 43.0°F 48.3°F 47.8°F
May 9 43.3°F 47.9°F 48.1°F
May 10 45.1°F 48.8°F 49.0°F
May 11 46.7°F 49.4°F 49.5°F
May 12 46.8°F 49.5°F 49.6°F
May 13 47.0°F 49.2°F 49.9°F
May 14 47.8°F 50.4°F 50.6°F
May 15 48.7°F 50.8°F 51.6°F
May 16 48.7°F 49.9°F 51.5°F
May 17 48.4°F 49.4°F 51.3°F
May 18 48.4°F 48.6°F 51.3°F
May 19 48.9°F 48.1°F 51.8°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.