All data are in degrees Fahrenheit

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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

54.8

°F

March 24, 21:51

Trend:

increasing

Yesterday:

54.7°F

Tomorrow:

54.9°F

Sunrise:

07:01

Sunset:

19:22

Day Length:

12 h. 21 min.

La Rochelle in March

Minimum:

46.7°F

Average:

50.2°F

Maximum:

52.4°F

Sea water temperature in La Rochelle today

As of now, in La Rochelle, the water temperature is 54.8°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 2.6°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 stay about the same.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 55.5°F on 2024, while the historical minimum was 49.0°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 suggests a gradual increase. The average temperature is expected to rise up to 55.2°F, with minimum temperature starting at 54.9°F, while the maximum might reach 55.5°F.

Daily water temperature in La Rochelle

Date Current Year

actual* / forecast**

last year 10 years average
Mar 10 55.0°F 51.4°F 50.1°F
Mar 11 54.2°F 52.2°F 50.4°F
Mar 12 55.1°F 52.2°F 50.7°F
Mar 13 55.2°F 51.6°F 50.8°F
Mar 14 54.5°F 51.6°F 51.1°F
Mar 15 54.2°F 51.4°F 51.0°F
Mar 16 53.5°F 51.1°F 51.1°F
Mar 17 54.1°F 50.8°F 51.3°F
Mar 18 55.1°F 49.9°F 51.5°F
Mar 19 55.0°F 50.4°F 51.7°F
Mar 20 54.5°F 51.8°F 51.8°F
Mar 21 54.7°F 51.3°F 51.9°F
Mar 22 54.9°F 51.7°F 52.2°F
Mar 23 54.7°F 51.8°F 52.3°F
Mar 24 54.8°F 51.8°F 52.1°F
Mar 25 54.9°F 53.1°F 52.2°F
Mar 26 55.0°F 52.2°F 52.3°F
Mar 27 55.1°F 52.6°F 52.4°F
Mar 28 55.1°F 54.0°F 52.4°F
Mar 29 55.2°F 53.4°F 52.6°F
Mar 30 55.5°F 54.1°F 52.9°F
Mar 31 55.5°F 53.0°F 52.9°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 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, 55.6°F in Spring, 68.6°F in Summer, and 62.2°F in Autumn.