All data are in degrees Fahrenheit

en

Water temperature in Boulogne-sur-Mer

Detailed information about the current water temperature in Boulogne-sur-Mer. 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 Boulogne-sur-Mer now

56.7

°F

May 20, 16:59

Trend:

increasing

Yesterday:

55.7°F

Tomorrow:

57.1°F

Sunrise:

05:57

Sunset:

21:44

Day Length:

15 h. 47 min.

Boulogne-sur-Mer in May

Minimum:

47.8°F

Average:

49.3°F

Maximum:

52.1°F

Sea water temperature in Boulogne-sur-Mer today

As of now, in Boulogne-sur-Mer, the water temperature is 56.7°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 2.3°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 56.3°F on 2022, while the historical minimum was 52.8°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 57.5°F, with minimum temperature starting at 57.1°F, while the maximum might reach 58.0°F.

Daily water temperature in Boulogne-sur-Mer

Date Current Year

actual* / forecast**

last year 10 years average
May 6 52.4°F 52.1°F 51.9°F
May 7 52.3°F 51.9°F 52.0°F
May 8 53.1°F 52.3°F 52.3°F
May 9 53.0°F 52.3°F 52.5°F
May 10 53.6°F 52.4°F 52.7°F
May 11 53.6°F 53.0°F 52.7°F
May 12 54.0°F 54.1°F 53.1°F
May 13 54.3°F 53.9°F 53.3°F
May 14 54.4°F 53.8°F 53.5°F
May 15 55.6°F 53.7°F 53.7°F
May 16 55.5°F 53.7°F 53.7°F
May 17 56.0°F 54.0°F 54.0°F
May 18 55.9°F 53.8°F 54.1°F
May 19 55.7°F 54.4°F 54.3°F
May 20 56.7°F 54.9°F 54.4°F
May 21 57.1°F 55.8°F 54.8°F
May 22 57.3°F 55.1°F 55.0°F
May 23 57.4°F 56.0°F 55.1°F
May 24 57.4°F 56.0°F 55.1°F
May 25 57.7°F 55.5°F 55.3°F
May 26 57.8°F 55.1°F 55.5°F
May 27 58.0°F 56.0°F 55.6°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 Boulogne-sur-Mer by month

In an average year, Boulogne-sur-Mer offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Boulogne-sur-Mer was recorded on August 22, 2022, reaching a 70.1°F. While the coldest temperature occurred on February 19, 2021, dipping to 41.6°F. The average readings by season are 48.2°F in Winter, 49.8°F in Spring, 63.0°F in Summer, and 60.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Calais 56.1°F 19mi
Dunkerque 57.0°F 40mi
Canterbury 58.7°F 45mi

* current water temperature in this city

** straight line distance from Boulogne-sur-Mer