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 19.85°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.

67.7

°F

July 12, 03:56

Trend:

increasing

Yesterday:

67.7°F

Tomorrow:

67.8°F

Sunrise:

05:52

Sunset:

22:04

Day Length:

16 h. 12 min.

Calais in July

Minimum:

43.1°F

Average:

48.1°F

Maximum:

51.7°F

Sea water temperature in Calais today

As of now, in Calais, the water temperature is 67.7°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 4.1°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 stay about the same.

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 66.8°F on 2025, while the historical minimum was 61.0°F on 2021.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 68.3°F, with minimum temperature starting at 67.8°F, while the maximum might reach 68.9°F.

Daily water temperature in Calais

Date	Current Year actual* / forecast**	last year	10 years average
Jun 28	66.2°F	64.3°F	62.5°F
Jun 29	65.7°F	64.7°F	62.5°F
Jun 30	66.5°F	65.8°F	62.9°F
Jul 1	66.5°F	66.5°F	62.9°F
Jul 2	66.7°F	66.7°F	63.1°F
Jul 3	66.1°F	66.8°F	63.2°F
Jul 4	66.5°F	66.9°F	63.3°F
Jul 5	67.0°F	66.8°F	63.4°F
Jul 6	66.3°F	66.2°F	63.5°F
Jul 7	66.5°F	65.4°F	63.5°F
Jul 8	67.6°F	65.6°F	63.7°F
Jul 9	68.5°F	65.1°F	63.8°F
Jul 10	66.9°F	66.0°F	63.8°F
Jul 11	67.7°F	66.1°F	63.6°F
Jul 12	67.7°F	66.8°F	63.7°F
Jul 13	67.8°F	67.4°F	63.8°F
Jul 14	67.9°F	67.9°F	63.9°F
Jul 15	68.1°F	67.4°F	64.0°F
Jul 16	68.2°F	66.7°F	64.2°F
Jul 17	68.3°F	66.8°F	64.2°F
Jul 18	68.6°F	65.8°F	64.6°F
Jul 19	68.9°F	65.8°F	64.9°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 14, 2022, reaching a 70.3°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, 63.6°F in Summer, and 60.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Boulogne-sur-Mer	68.5°F	19mi
Dunkerque	68.9°F	23mi
Canterbury	70.0°F	41mi

* current water temperature in this city

** straight line distance from Calais