All data are in degrees Fahrenheit

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Water temperature in Lorient

Detailed information about the current water temperature in Lorient. 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 Lorient now

66.6

°F

September 8, 18:34

Trend:

increasing

Yesterday:

66.2°F

Tomorrow:

66.7°F

Sunrise:

07:41

Sunset:

20:41

Day Length:

13 h. 0 min.

Lorient in September

Minimum:

49.1°F

Average:

50.5°F

Maximum:

53.3°F

Sea water temperature in Lorient today

As of now, in Lorient, the water temperature is 66.6°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 2.4°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise 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 65.9°F on 2021, while the historical minimum was 62.2°F on 2019.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 66.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Lorient

Date Current Year

actual* / forecast**

last year 10 years average
Aug 25 64.3°F 63.7°F 64.6°F
Aug 26 64.5°F 64.9°F 64.9°F
Aug 27 64.6°F 64.8°F 64.6°F
Aug 28 65.2°F 64.4°F 64.5°F
Aug 29 66.0°F 65.0°F 64.6°F
Aug 30 65.9°F 64.3°F 64.5°F
Aug 31 65.5°F 63.5°F 64.2°F
Sep 1 65.6°F 64.2°F 64.2°F
Sep 2 65.5°F 64.3°F 64.1°F
Sep 3 65.5°F 64.0°F 64.2°F
Sep 4 65.6°F 64.0°F 64.1°F
Sep 5 65.5°F 63.4°F 64.1°F
Sep 6 65.7°F 62.8°F 64.2°F
Sep 7 66.2°F 62.9°F 64.4°F
Sep 8 66.6°F 64.1°F 64.2°F
Sep 9 66.7°F 65.0°F 64.3°F
Sep 10 66.6°F 64.8°F 64.2°F
Sep 11 66.4°F 63.9°F 64.0°F
Sep 12 66.3°F 63.7°F 63.9°F
Sep 13 66.1°F 63.6°F 63.7°F
Sep 14 65.9°F 63.4°F 63.5°F
Sep 15 65.6°F 63.2°F 63.2°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 Lorient by month

In an average year, Lorient offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Lorient was recorded on July 13, 2026, reaching a 71.9°F. While the coldest temperature occurred on January 21, 2025, dipping to 44.8°F. The average readings by season are 50.8°F in Winter, 54.0°F in Spring, 63.8°F in Summer, and 60.2°F in Autumn.