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

52.9

°F

February 27, 00:00

Trend:

stable

Yesterday:

52.8°F

Tomorrow:

52.6°F

Sunrise:

07:48

Sunset:

18:48

Day Length:

11 h. 0 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 52.9°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 3.4°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 51.2°F on 2024, while the historical minimum was 46.6°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 51.7°F, the minimum temperature may reach 51.4°F, and the maximum might stay at 52.6°F.

Daily water temperature in La Rochelle

Date Current Year

actual* / forecast**

last year 10 years average
Feb 13 50.8°F 47.2°F 48.4°F
Feb 14 50.6°F 47.5°F 48.3°F
Feb 15 50.5°F 48.3°F 48.6°F
Feb 16 50.3°F 47.4°F 48.5°F
Feb 17 49.9°F 48.1°F 48.5°F
Feb 18 50.1°F 48.5°F 48.7°F
Feb 19 49.9°F 48.8°F 48.8°F
Feb 20 49.8°F 48.3°F 48.9°F
Feb 21 50.1°F 48.8°F 49.3°F
Feb 22 50.8°F 48.8°F 49.3°F
Feb 23 51.1°F 50.4°F 49.6°F
Feb 24 51.3°F 50.5°F 49.5°F
Feb 25 52.3°F 50.3°F 49.4°F
Feb 26 52.8°F 51.0°F 49.5°F
Feb 27 52.9°F 50.5°F 49.5°F
Feb 28 52.6°F 50.3°F 49.2°F
Mar 1 51.5°F 50.6°F 49.1°F
Mar 2 51.4°F 50.2°F 49.0°F
Mar 3 51.4°F 50.1°F 48.9°F
Mar 4 51.5°F 49.4°F 49.1°F
Mar 5 51.7°F 49.6°F 49.3°F
Mar 6 51.7°F 50.4°F 49.3°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, 55.5°F in Spring, 68.6°F in Summer, and 62.2°F in Autumn.