What is the current water temperature in Calais?

Q: What is the current water temperature in Calais?

As of now, in Calais, the water temperature is 21.85°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

France > Calais

Water temperature in Calais

Detailed information about the current water temperature in Calais. 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.

71.3

°F

August 5, 18:57

Trend:

increasing

Yesterday:

70.2°F

Tomorrow:

71.5°F

Sunrise:

06:24

Sunset:

21:33

Day Length:

15 h. 9 min.

Calais in August

Minimum:

42.9°F

Average:

47.8°F

Maximum:

51.7°F

Sea water temperature in Calais today

As of now, in Calais, the water temperature is 71.3°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 5.3°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 67.6°F on 2022, while the historical minimum was 63.9°F on 2016.

latest data

last year

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 71.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Calais

Date	Current Year actual* / forecast**	last year	10 years average
Jul 22	69.4°F	66.6°F	65.6°F
Jul 23	69.5°F	66.6°F	65.6°F
Jul 24	68.8°F	65.9°F	65.6°F
Jul 25	68.7°F	66.6°F	65.8°F
Jul 26	70.1°F	67.5°F	65.9°F
Jul 27	69.5°F	68.4°F	66.2°F
Jul 28	69.6°F	67.6°F	66.1°F
Jul 29	69.0°F	67.8°F	66.0°F
Jul 30	69.8°F	67.9°F	66.3°F
Jul 31	69.7°F	68.3°F	66.3°F
Aug 1	70.5°F	67.4°F	66.3°F
Aug 2	70.0°F	67.5°F	66.2°F
Aug 3	69.7°F	68.5°F	66.3°F
Aug 4	70.2°F	67.6°F	66.4°F
Aug 5	71.3°F	66.8°F	66.0°F
Aug 6	71.5°F	67.1°F	66.2°F
Aug 7	71.2°F	66.9°F	65.9°F
Aug 8	71.4°F	66.9°F	66.1°F
Aug 9	71.3°F	66.8°F	66.0°F
Aug 10	71.3°F	66.9°F	66.0°F
Aug 11	71.4°F	67.0°F	66.1°F
Aug 12	71.7°F	68.1°F	66.4°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 Calais by month

In an average year, Calais offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Calais was recorded on August 1, 2026, reaching a 70.5°F. While the coldest temperature occurred on March 2, 2018, dipping to 40.8°F. The average readings by season are 47.5°F in Winter, 50.1°F in Spring, 63.7°F in Summer, and 60.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Boulogne-sur-Mer	71.1°F	19mi
Dunkerque	70.9°F	23mi
Canterbury	69.2°F	41mi

* current water temperature in this city

** straight line distance from Calais