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

65.1

°F

October 12, 12:19

Trend:

decreasing

Yesterday:

65.3°F

Tomorrow:

65.1°F

Sunrise:

08:17

Sunset:

19:25

Day Length:

11 h. 8 min.

La Rochelle in October

Minimum:

44.2°F

Average:

49.1°F

Maximum:

51.6°F

Sea water temperature in La Rochelle today

As of now, in La Rochelle, the water temperature is 65.1°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 2.2°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 water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 68.3°F on 2023, while the historical minimum was 60.7°F on 2020.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 64.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in La Rochelle

Date Current Year

actual* / forecast**

last year 10 years average
Sep 28 67.9°F 65.6°F 65.7°F
Sep 29 68.0°F 64.8°F 65.7°F
Sep 30 68.4°F 64.9°F 65.4°F
Oct 1 69.0°F 64.3°F 65.3°F
Oct 2 69.0°F 64.4°F 65.0°F
Oct 3 68.1°F 64.1°F 64.8°F
Oct 4 68.0°F 63.8°F 64.8°F
Oct 5 67.7°F 64.2°F 64.6°F
Oct 6 68.0°F 63.9°F 64.3°F
Oct 7 67.3°F 63.2°F 64.1°F
Oct 8 67.4°F 63.3°F 64.0°F
Oct 9 66.3°F 63.7°F 63.7°F
Oct 10 65.8°F 62.7°F 63.4°F
Oct 11 65.3°F 62.6°F 63.2°F
Oct 12 65.1°F 61.8°F 62.9°F
Oct 13 65.1°F 62.0°F 62.9°F
Oct 14 65.0°F 61.6°F 62.8°F
Oct 15 64.9°F 61.7°F 62.7°F
Oct 16 64.8°F 61.4°F 62.6°F
Oct 17 64.6°F 61.4°F 62.4°F
Oct 18 64.6°F 61.3°F 62.4°F
Oct 19 64.4°F 61.1°F 62.2°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 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.