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 9.23°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.

48.6

°F

December 26, 21:05

Trend:

decreasing

Yesterday:

49.9°F

Tomorrow:

48.6°F

Sunrise:

08:55

Sunset:

16:53

Day Length:

7 h. 58 min.

Boulogne-sur-Mer in January

Minimum:

47.9°F

Average:

49.4°F

Maximum:

52.4°F

Sea water temperature in Boulogne-sur-Mer today

As of now, in Boulogne-sur-Mer, the water temperature is 48.6°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 1.0°F lower 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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. 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 52.0°F on 2015, while the historical minimum was 47.6°F on 2021.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 48.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Boulogne-sur-Mer

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	48.4°F	48.4°F	49.4°F
Jan 2	48.5°F	48.6°F	49.5°F
Dec 12	51.0°F	51.9°F	51.0°F
Dec 13	51.0°F	51.7°F	50.9°F
Dec 14	50.1°F	51.7°F	50.9°F
Dec 15	50.3°F	50.7°F	50.8°F
Dec 16	50.7°F	50.7°F	50.7°F
Dec 17	50.9°F	50.3°F	50.4°F
Dec 18	50.9°F	50.0°F	50.3°F
Dec 19	50.8°F	49.8°F	50.2°F
Dec 20	50.8°F	49.5°F	50.2°F
Dec 21	51.1°F	49.5°F	50.1°F
Dec 22	51.2°F	49.6°F	50.1°F
Dec 23	51.3°F	49.2°F	49.9°F
Dec 24	51.3°F	49.0°F	49.8°F
Dec 25	49.9°F	48.9°F	49.7°F
Dec 26	48.6°F	48.5°F	49.6°F
Dec 27	48.6°F	48.1°F	49.6°F
Dec 28	48.5°F	48.0°F	49.5°F
Dec 29	48.7°F	48.2°F	49.7°F
Dec 30	48.6°F	48.4°F	49.6°F
Dec 31	48.5°F	48.5°F	49.5°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, 63.4°F in Summer, and 60.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Calais	48.3°F	19mi
Dunkerque	46.6°F	40mi
Canterbury	45.2°F	45mi

* current water temperature in this city

** straight line distance from Boulogne-sur-Mer