What is the current water temperature in Ustka?

Q: What is the current water temperature in Ustka?

As of now, in Ustka, the water temperature is 6.81°C. 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.

Poland > Ustka

Water temperature in Ustka

Detailed information about the current water temperature in Ustka. 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.

44.3

°F

April 25, 08:01

Trend:

stable

Yesterday:

44.7°F

Tomorrow:

44.5°F

Sunrise:

05:28

Sunset:

20:14

Day Length:

14 h. 46 min.

Ustka in May

Minimum:

38.4°F

Average:

40.0°F

Maximum:

41.3°F

Sea water temperature in Ustka today

As of now, in Ustka, the water temperature is 44.3°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 about the same as 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 45.9°F on 2025, while the historical minimum was 43.0°F on 2023.

latest data

last year

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 45.4°F, with minimum temperature starting at 44.5°F, while the maximum might reach 46.2°F.

Daily water temperature in Ustka

Date	Current Year actual* / forecast**	last year	10 years average
Apr 11	41.2°F	41.6°F	41.6°F
Apr 12	41.0°F	42.4°F	41.9°F
Apr 13	40.1°F	42.3°F	41.8°F
Apr 14	40.9°F	43.2°F	41.8°F
Apr 15	41.3°F	45.0°F	42.4°F
Apr 16	40.9°F	45.4°F	42.5°F
Apr 17	41.0°F	46.2°F	42.8°F
Apr 18	41.5°F	46.1°F	43.2°F
Apr 19	41.7°F	46.3°F	43.6°F
Apr 20	41.5°F	45.9°F	43.4°F
Apr 21	42.2°F	48.0°F	44.1°F
Apr 22	42.9°F	47.7°F	44.2°F
Apr 23	43.5°F	48.4°F	44.5°F
Apr 24	44.7°F	47.6°F	44.5°F
Apr 25	44.3°F	45.9°F	44.1°F
Apr 26	44.5°F	44.1°F	44.3°F
Apr 27	44.8°F	43.6°F	44.7°F
Apr 28	45.1°F	43.3°F	44.9°F
Apr 29	45.2°F	43.8°F	45.0°F
Apr 30	45.8°F	45.3°F	45.6°F
May 1	46.0°F	46.5°F	45.8°F
May 2	46.2°F	47.7°F	46.0°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 Ustka by month

In an average year, Ustka offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Ustka was recorded on August 10, 2018, reaching a 73.0°F. While the coldest temperature occurred on February 22, 2026, dipping to 32.0°F. The average readings by season are 39.3°F in Winter, 43.4°F in Spring, 63.5°F in Summer, and 55.9°F in Autumn.