All data are in degrees Fahrenheit

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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.
Sea temperature in Calais now

45.9

°F

March 17, 08:45

Trend:

increasing

Yesterday:

45.8°F

Tomorrow:

46.0°F

Sunrise:

07:03

Sunset:

19:00

Day Length:

11 h. 57 min.

Calais in March

Minimum:

47.1°F

Average:

48.9°F

Maximum:

52.2°F

Sea water temperature in Calais today

As of now, in Calais, the water temperature is 45.9°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 0.3°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature slightly varies from the average of the past two weeks. 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 48.7°F on 2024, while the historical minimum was 43.5°F on 2018.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 46.3°F, with minimum temperature starting at 46.0°F, while the maximum might reach 46.6°F.

Daily water temperature in Calais

Date Current Year

actual* / forecast**

last year 10 years average
Mar 3 45.8°F 47.7°F 45.6°F
Mar 4 46.1°F 47.6°F 45.5°F
Mar 5 45.7°F 48.0°F 45.6°F
Mar 6 45.6°F 48.1°F 45.7°F
Mar 7 45.5°F 47.2°F 45.6°F
Mar 8 46.0°F 47.5°F 45.6°F
Mar 9 46.2°F 47.7°F 45.6°F
Mar 10 46.3°F 47.8°F 45.8°F
Mar 11 46.5°F 48.0°F 45.8°F
Mar 12 46.1°F 48.1°F 45.9°F
Mar 13 46.6°F 48.1°F 46.0°F
Mar 14 46.1°F 48.3°F 46.0°F
Mar 15 46.2°F 48.7°F 46.1°F
Mar 16 45.8°F 48.4°F 46.2°F
Mar 17 45.9°F 48.7°F 46.1°F
Mar 18 46.0°F 48.8°F 46.3°F
Mar 19 46.2°F 49.2°F 46.5°F
Mar 20 46.1°F 49.0°F 46.4°F
Mar 21 46.2°F 48.8°F 46.5°F
Mar 22 46.3°F 49.1°F 46.6°F
Mar 23 46.5°F 49.3°F 46.8°F
Mar 24 46.6°F 49.0°F 46.9°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 47.7°F in Winter, 49.8°F in Spring, 63.1°F in Summer, and 60.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boulogne-sur-Mer 46.0°F 19mi
Dunkerque 45.6°F 23mi
Canterbury 44.6°F 41mi

* current water temperature in this city

** straight line distance from Calais