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

75.5

°F

July 11, 21:20

Trend:

stable

Yesterday:

75.4°F

Tomorrow:

75.4°F

Sunrise:

06:24

Sunset:

21:56

Day Length:

15 h. 32 min.

La Rochelle in July

Minimum:

45.5°F

Average:

49.5°F

Maximum:

51.6°F

Sea water temperature in La Rochelle today

As of now, in La Rochelle, the water temperature is 75.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 6.2°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 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 71.2°F on 2018, while the historical minimum was 67.1°F on 2024.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 75.6°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
Jun 27 76.8°F 71.1°F 69.4°F
Jun 28 77.3°F 71.7°F 69.5°F
Jun 29 76.0°F 71.6°F 69.4°F
Jun 30 74.4°F 72.3°F 69.1°F
Jul 1 74.0°F 73.3°F 69.0°F
Jul 2 73.0°F 73.3°F 68.6°F
Jul 3 72.7°F 72.4°F 68.6°F
Jul 4 72.4°F 71.9°F 68.8°F
Jul 5 73.0°F 71.5°F 68.9°F
Jul 6 72.7°F 71.9°F 68.9°F
Jul 7 74.5°F 69.9°F 69.0°F
Jul 8 74.3°F 69.6°F 69.4°F
Jul 9 74.9°F 68.6°F 69.6°F
Jul 10 75.4°F 69.0°F 69.9°F
Jul 11 75.5°F 69.9°F 69.3°F
Jul 12 75.4°F 70.2°F 69.2°F
Jul 13 75.5°F 70.2°F 69.3°F
Jul 14 75.3°F 69.7°F 69.2°F
Jul 15 75.5°F 70.8°F 69.3°F
Jul 16 75.6°F 71.3°F 69.4°F
Jul 17 75.8°F 71.8°F 69.6°F
Jul 18 76.1°F 71.5°F 69.9°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 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, 68.7°F in Summer, and 62.2°F in Autumn.