All data are in degrees Fahrenheit

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Water temperature in Hamburg

Detailed information about the current water temperature in Hamburg. 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 Hamburg now

51.9

°F

May 1, 06:29

Trend:

increasing

Yesterday:

51.4°F

Tomorrow:

52.0°F

Sunrise:

05:46

Sunset:

20:49

Day Length:

15 h. 3 min.

Hamburg in May

Minimum:

38.1°F

Average:

42.1°F

Maximum:

45.2°F

Sea water temperature in Hamburg today

As of now, in Hamburg, the water temperature is 51.9°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 0.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

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 55.5°F on 2025, while the historical minimum was 48.4°F on 2018.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 53.3°F, with minimum temperature starting at 52.0°F, while the maximum might reach 53.9°F.

Daily water temperature in Hamburg

Date Current Year

actual* / forecast**

last year 10 years average
Apr 17 49.8°F 55.6°F 47.8°F
Apr 18 52.3°F 56.7°F 48.4°F
Apr 19 53.4°F 55.6°F 48.5°F
Apr 20 53.0°F 53.2°F 48.5°F
Apr 21 51.6°F 51.8°F 48.6°F
Apr 22 51.4°F 52.5°F 49.1°F
Apr 23 50.8°F 53.4°F 49.5°F
Apr 24 50.1°F 53.4°F 49.8°F
Apr 25 48.2°F 53.8°F 50.4°F
Apr 26 48.8°F 53.9°F 50.8°F
Apr 27 49.6°F 55.0°F 50.9°F
Apr 28 49.9°F 54.7°F 50.8°F
Apr 29 51.1°F 54.9°F 50.8°F
Apr 30 51.4°F 54.7°F 51.1°F
May 1 51.9°F 55.5°F 51.6°F
May 2 52.0°F 57.0°F 51.7°F
May 3 52.8°F 59.6°F 52.5°F
May 4 53.5°F 61.4°F 53.2°F
May 5 53.7°F 60.8°F 53.4°F
May 6 53.9°F 58.9°F 53.6°F
May 7 53.8°F 59.0°F 53.5°F
May 8 53.8°F 58.1°F 53.4°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 Hamburg by month

In an average year, Hamburg offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Hamburg was recorded on August 2, 2018, reaching a 74.2°F. While the coldest temperature occurred on January 23, 2026, dipping to 32.0°F. The average readings by season are 39.2°F in Winter, 48.0°F in Spring, 66.2°F in Summer, and 56.5°F in Autumn.