What is the current water temperature in Boulogne-sur-Mer?

Q: What is the current water temperature in Boulogne-sur-Mer?

As of now, in Boulogne-sur-Mer, the water temperature is 9.95°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.

France > Boulogne-sur-Mer

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.

49.9

°F

April 15, 18:04

Trend:

stable

Yesterday:

49.9°F

Tomorrow:

50.1°F

Sunrise:

07:00

Sunset:

20:48

Day Length:

13 h. 48 min.

Boulogne-sur-Mer in April

Minimum:

47.3°F

Average:

49.1°F

Maximum:

52.3°F

Sea water temperature in Boulogne-sur-Mer today

As of now, in Boulogne-sur-Mer, the water temperature is 49.9°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 0.8°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 rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 51.5°F on 2024, while the historical minimum was 47.0°F on 2021.

latest data

last year

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 50.6°F, with minimum temperature starting at 50.1°F, while the maximum might reach 51.2°F.

Daily water temperature in Boulogne-sur-Mer

Date	Current Year actual* / forecast**	last year	10 years average
Apr 1	48.1°F	49.3°F	47.8°F
Apr 2	47.9°F	49.4°F	47.7°F
Apr 3	48.5°F	49.5°F	47.9°F
Apr 4	49.1°F	49.5°F	48.0°F
Apr 5	49.8°F	49.9°F	48.2°F
Apr 6	49.4°F	50.1°F	48.2°F
Apr 7	49.3°F	50.2°F	48.1°F
Apr 8	49.2°F	50.9°F	48.1°F
Apr 9	49.6°F	51.2°F	48.3°F
Apr 10	49.3°F	51.2°F	48.5°F
Apr 11	49.1°F	50.8°F	48.7°F
Apr 12	49.6°F	49.8°F	48.9°F
Apr 13	49.6°F	49.5°F	48.9°F
Apr 14	49.9°F	50.1°F	48.9°F
Apr 15	49.9°F	51.5°F	49.1°F
Apr 16	50.1°F	51.9°F	49.4°F
Apr 17	50.1°F	51.4°F	49.3°F
Apr 18	50.3°F	51.6°F	49.5°F
Apr 19	50.6°F	51.4°F	49.8°F
Apr 20	50.9°F	51.4°F	50.1°F
Apr 21	51.1°F	51.0°F	50.3°F
Apr 22	51.2°F	51.0°F	50.4°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 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 48.0°F in Winter, 49.8°F in Spring, 63.2°F in Summer, and 60.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Calais	50.1°F	19mi
Dunkerque	50.1°F	40mi
Canterbury	49.5°F	45mi

* current water temperature in this city

** straight line distance from Boulogne-sur-Mer