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

55.3

°F

November 13, 11:15

Trend:

decreasing

Yesterday:

55.6°F

Tomorrow:

55.2°F

Sunrise:

08:02

Sunset:

17:35

Day Length:

9 h. 33 min.

La Rochelle in November

Minimum:

43.8°F

Average:

48.8°F

Maximum:

51.6°F

Sea water temperature in La Rochelle today

As of now, in La Rochelle, the water temperature is 55.3°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 1.4°F lower 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 water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 58.5°F on 2025, while the historical minimum was 55.0°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 54.9°F, the minimum temperature may reach 54.3°F, and the maximum might stay at 55.2°F.

Daily water temperature in La Rochelle

Date Current Year

actual* / forecast**

last year 10 years average
Oct 30 58.9°F 59.0°F 60.3°F
Oct 31 58.5°F 58.6°F 60.2°F
Nov 1 58.4°F 58.9°F 60.1°F
Nov 2 58.1°F 59.0°F 59.8°F
Nov 3 57.5°F 58.6°F 59.5°F
Nov 4 57.2°F 58.3°F 59.1°F
Nov 5 56.7°F 58.7°F 58.7°F
Nov 6 56.7°F 58.3°F 58.2°F
Nov 7 55.6°F 58.9°F 57.8°F
Nov 8 55.1°F 58.0°F 57.5°F
Nov 9 55.0°F 58.0°F 57.2°F
Nov 10 55.3°F 58.1°F 56.9°F
Nov 11 55.5°F 57.8°F 56.8°F
Nov 12 55.6°F 57.9°F 56.8°F
Nov 13 55.3°F 58.5°F 56.7°F
Nov 14 55.2°F 58.2°F 56.6°F
Nov 15 55.2°F 58.5°F 56.6°F
Nov 16 55.1°F 58.9°F 56.4°F
Nov 17 55.0°F 58.8°F 56.4°F
Nov 18 54.8°F 58.0°F 56.2°F
Nov 19 54.6°F 57.6°F 56.0°F
Nov 20 54.3°F 56.7°F 55.7°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 June 28, 2026, reaching a 77.3°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, 55.8°F in Spring, 68.9°F in Summer, and 62.3°F in Autumn.