All data are in degrees Fahrenheit

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Water temperature in Cherbourg-Octeville

Detailed information about the current water temperature in Cherbourg-Octeville. 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 Cherbourg-Octeville now

51.9

°F

February 28, 04:10

Trend:

decreasing

Yesterday:

52.0°F

Tomorrow:

51.4°F

Sunrise:

07:52

Sunset:

18:47

Day Length:

10 h. 55 min.

Cherbourg-Octeville in March

Minimum:

49.9°F

Average:

51.5°F

Maximum:

53.3°F

Sea water temperature in Cherbourg-Octeville today

As of now, in Cherbourg-Octeville, the water temperature is 51.9°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 3.8°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 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 49.2°F on 2019, while the historical minimum was 46.0°F on 2018.

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 shows a gradual cooling trend. The average temperature is expected to be 51.4°F, the minimum temperature may reach 51.3°F, and the maximum might stay at 51.5°F.

Daily water temperature in Cherbourg-Octeville

Date Current Year

actual* / forecast**

last year 10 years average
Feb 14 49.8°F 48.3°F 48.5°F
Feb 15 49.5°F 48.1°F 48.4°F
Feb 16 48.9°F 47.9°F 48.4°F
Feb 17 48.8°F 47.9°F 48.3°F
Feb 18 49.0°F 48.0°F 48.3°F
Feb 19 48.9°F 48.1°F 48.3°F
Feb 20 48.9°F 48.4°F 48.3°F
Feb 21 49.0°F 49.3°F 48.4°F
Feb 22 49.2°F 49.4°F 48.5°F
Feb 23 50.0°F 48.8°F 48.5°F
Feb 24 51.2°F 48.8°F 48.7°F
Feb 25 51.9°F 48.7°F 48.7°F
Feb 26 52.7°F 48.8°F 48.7°F
Feb 27 52.0°F 48.6°F 48.2°F
Feb 28 51.9°F 48.6°F 48.1°F
Mar 1 51.4°F 48.5°F 48.0°F
Mar 2 51.4°F 48.5°F 48.0°F
Mar 3 51.3°F 48.1°F 47.9°F
Mar 4 51.3°F 47.9°F 47.9°F
Mar 5 51.4°F 47.8°F 48.0°F
Mar 6 51.5°F 47.6°F 48.1°F
Mar 7 51.5°F 48.3°F 48.1°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 Cherbourg-Octeville by month

In an average year, Cherbourg-Octeville offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Cherbourg-Octeville was recorded on August 27, 2025, reaching a 66.7°F. While the coldest temperature occurred on March 5, 2018, dipping to 45.3°F. The average readings by season are 50.8°F in Winter, 50.6°F in Spring, 61.2°F in Summer, and 61.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saint Peter Port 51.1°F 43mi
Saint-Malo 50.3°F 71mi
Portland 49.2°F 74mi

* current water temperature in this city

** straight line distance from Cherbourg-Octeville