All data are in degrees Fahrenheit

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Water temperature in Dunkerque

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

70.7

°F

August 12, 19:36

Trend:

stable

Yesterday:

70.9°F

Tomorrow:

70.8°F

Sunrise:

06:32

Sunset:

21:18

Day Length:

14 h. 46 min.

Dunkerque in August

Minimum:

42.5°F

Average:

47.0°F

Maximum:

50.4°F

Sea water temperature in Dunkerque today

As of now, in Dunkerque, the water temperature is 70.7°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 3.7°F higher 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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 70.4°F on 2022, while the historical minimum was 65.1°F on 2016.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 71.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Dunkerque

Date Current Year

actual* / forecast**

last year 10 years average
Jul 29 69.7°F 67.8°F 67.0°F
Jul 30 70.4°F 68.4°F 67.2°F
Jul 31 69.9°F 67.9°F 67.2°F
Aug 1 70.5°F 67.5°F 67.3°F
Aug 2 70.2°F 67.6°F 67.1°F
Aug 3 70.3°F 67.4°F 67.1°F
Aug 4 70.6°F 67.5°F 67.2°F
Aug 5 70.9°F 67.0°F 67.1°F
Aug 6 71.4°F 67.3°F 67.2°F
Aug 7 70.4°F 67.1°F 67.0°F
Aug 8 70.9°F 67.3°F 67.1°F
Aug 9 70.8°F 67.2°F 67.0°F
Aug 10 70.9°F 67.3°F 67.0°F
Aug 11 70.9°F 67.4°F 67.2°F
Aug 12 70.7°F 68.1°F 67.0°F
Aug 13 70.8°F 68.6°F 67.1°F
Aug 14 70.8°F 68.1°F 67.1°F
Aug 15 70.9°F 68.3°F 67.2°F
Aug 16 71.1°F 68.6°F 67.4°F
Aug 17 71.1°F 68.3°F 67.4°F
Aug 18 70.9°F 68.3°F 67.2°F
Aug 19 71.1°F 68.4°F 67.4°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 Dunkerque by month

In an average year, Dunkerque offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Dunkerque was recorded on August 6, 2026, reaching a 71.4°F. While the coldest temperature occurred on March 2, 2018, dipping to 39.3°F. The average readings by season are 46.5°F in Winter, 50.2°F in Spring, 64.6°F in Summer, and 59.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Calais 71.1°F 23mi
Ostend 71.2°F 27mi
Brugge 71.2°F 39mi
Boulogne-sur-Mer 70.1°F 40mi

* current water temperature in this city

** straight line distance from Dunkerque