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 19.3°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.

66.7

°F

September 16, 07:51

Trend:

decreasing

Yesterday:

66.8°F

Tomorrow:

66.5°F

Sunrise:

07:29

Sunset:

20:05

Day Length:

12 h. 36 min.

Calais in September

Minimum:

43.2°F

Average:

47.6°F

Maximum:

51.3°F

Sea water temperature in Calais today

As of now, in Calais, the water temperature is 66.7°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 1.2°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 fall a bit.

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 falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.7°F on 2023, while the historical minimum was 63.6°F on 2017.

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 shows a gradual cooling trend. The average temperature is expected to be 66.1°F, the minimum temperature may reach 65.7°F, and the maximum might stay at 66.5°F.

Daily water temperature in Calais

Date	Current Year actual* / forecast**	last year	10 years average
Sep 2	68.5°F	67.0°F	66.6°F
Sep 3	68.4°F	66.8°F	66.5°F
Sep 4	68.3°F	65.9°F	66.3°F
Sep 5	68.3°F	66.1°F	66.4°F
Sep 6	68.0°F	66.3°F	66.3°F
Sep 7	67.8°F	66.0°F	66.3°F
Sep 8	67.6°F	66.8°F	66.5°F
Sep 9	67.8°F	66.2°F	66.4°F
Sep 10	68.2°F	66.1°F	66.4°F
Sep 11	67.7°F	66.3°F	66.2°F
Sep 12	67.0°F	66.1°F	65.9°F
Sep 13	67.1°F	65.6°F	65.8°F
Sep 14	66.9°F	65.2°F	65.8°F
Sep 15	66.8°F	64.5°F	65.6°F
Sep 16	66.7°F	64.3°F	65.6°F
Sep 17	66.5°F	64.3°F	65.4°F
Sep 18	66.4°F	63.8°F	65.2°F
Sep 19	66.2°F	63.8°F	65.0°F
Sep 20	66.1°F	64.3°F	64.9°F
Sep 21	65.9°F	63.6°F	64.7°F
Sep 22	65.9°F	64.2°F	64.7°F
Sep 23	65.7°F	63.5°F	64.5°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 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 15, 2026, reaching a 71.6°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, 63.8°F in Summer, and 60.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Boulogne-sur-Mer	67.0°F	19mi
Dunkerque	67.0°F	23mi
Canterbury	65.4°F	41mi

* current water temperature in this city

** straight line distance from Calais