All data are in degrees Fahrenheit

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Water temperature in Le Havre

Detailed information about the current water temperature in Le Havre. 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 Le Havre now

65.6

°F

October 4, 21:33

Trend:

stable

Yesterday:

65.6°F

Tomorrow:

65.5°F

Sunrise:

08:03

Sunset:

19:33

Day Length:

11 h. 30 min.

Le Havre in October

Minimum:

45.0°F

Average:

47.3°F

Maximum:

49.5°F

Sea water temperature in Le Havre today

As of now, in Le Havre, the water temperature is 65.6°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.7°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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.7°F on 2023, while the historical minimum was 61.8°F on 2025.

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 64.9°F, the minimum temperature may reach 64.4°F, and the maximum might stay at 65.5°F.

Daily water temperature in Le Havre

Date Current Year

actual* / forecast**

last year 10 years average
Sep 20 66.1°F 64.6°F 65.3°F
Sep 21 65.9°F 64.8°F 65.2°F
Sep 22 65.9°F 64.4°F 65.1°F
Sep 23 66.5°F 64.1°F 64.9°F
Sep 24 66.3°F 63.9°F 64.7°F
Sep 25 66.6°F 63.8°F 64.7°F
Sep 26 66.3°F 63.7°F 64.8°F
Sep 27 66.0°F 63.1°F 64.6°F
Sep 28 66.4°F 62.8°F 64.4°F
Sep 29 66.3°F 62.6°F 64.2°F
Sep 30 66.1°F 62.3°F 63.8°F
Oct 1 66.2°F 62.3°F 63.7°F
Oct 2 66.0°F 62.1°F 63.5°F
Oct 3 65.6°F 61.9°F 63.3°F
Oct 4 65.6°F 61.8°F 62.9°F
Oct 5 65.5°F 62.2°F 62.7°F
Oct 6 65.3°F 61.8°F 62.6°F
Oct 7 64.9°F 61.7°F 62.2°F
Oct 8 64.7°F 61.2°F 62.0°F
Oct 9 64.7°F 61.5°F 62.0°F
Oct 10 64.6°F 60.6°F 61.8°F
Oct 11 64.4°F 60.6°F 61.6°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 Le Havre by month

In an average year, Le Havre offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Le Havre was recorded on August 15, 2026, reaching a 71.5°F. While the coldest temperature occurred on February 17, 2021, dipping to 43.0°F. The average readings by season are 47.3°F in Winter, 51.6°F in Spring, 65.5°F in Summer, and 60.6°F in Autumn.