All data are in degrees Fahrenheit

en

Water temperature in La Rochelle

Detailed information about the current water temperature in La Rochelle. 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 La Rochelle now

62.1

°F

May 2, 21:05

Trend:

increasing

Yesterday:

61.9°F

Tomorrow:

62.3°F

Sunrise:

06:50

Sunset:

21:14

Day Length:

14 h. 24 min.

La Rochelle in May

Minimum:

44.7°F

Average:

49.6°F

Maximum:

51.5°F

Sea water temperature in La Rochelle today

As of now, in La Rochelle, the water temperature is 62.1°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 4.3°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 60.2°F on 2025, while the historical minimum was 54.7°F on 2017.

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 62.8°F, with minimum temperature starting at 62.3°F, while the maximum might reach 63.3°F.

Daily water temperature in La Rochelle

Date Current Year

actual* / forecast**

last year 10 years average
Apr 18 58.8°F 57.0°F 56.2°F
Apr 19 59.2°F 57.3°F 56.4°F
Apr 20 60.0°F 56.9°F 56.6°F
Apr 21 59.9°F 57.2°F 56.8°F
Apr 22 58.2°F 56.4°F 56.5°F
Apr 23 58.4°F 56.6°F 56.8°F
Apr 24 59.3°F 57.1°F 57.0°F
Apr 25 59.4°F 57.5°F 57.2°F
Apr 26 60.3°F 58.7°F 57.5°F
Apr 27 60.9°F 57.4°F 57.5°F
Apr 28 61.1°F 58.5°F 57.6°F
Apr 29 62.5°F 59.7°F 57.9°F
Apr 30 62.2°F 60.4°F 58.1°F
May 1 61.9°F 60.8°F 58.2°F
May 2 62.1°F 60.2°F 57.8°F
May 3 62.3°F 60.7°F 58.0°F
May 4 62.6°F 61.9°F 58.4°F
May 5 62.7°F 61.3°F 58.5°F
May 6 62.8°F 61.1°F 58.5°F
May 7 62.9°F 60.2°F 58.6°F
May 8 63.1°F 59.8°F 58.9°F
May 9 63.3°F 59.8°F 59.1°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 La Rochelle by month

In an average year, La Rochelle offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in La Rochelle was recorded on August 26, 2023, reaching a 74.4°F. While the coldest temperature occurred on January 11, 2026, dipping to 43.8°F. The average readings by season are 49.3°F in Winter, 55.7°F in Spring, 68.6°F in Summer, and 62.2°F in Autumn.