What is the current water temperature in La Rochelle?

Q: What is the current water temperature in La Rochelle?

As of now, in La Rochelle, the water temperature is 12.1°C. 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.

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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.

53.8

°F

March 9, 06:38

Trend:

stable

Yesterday:

53.6°F

Tomorrow:

53.7°F

Sunrise:

07:30

Sunset:

19:02

Day Length:

11 h. 32 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 53.8°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 4.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 51.6°F on 2025, while the historical minimum was 46.7°F on 2023.

latest data

last year

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 54.5°F, with minimum temperature starting at 53.7°F, while the maximum might reach 55.1°F.

Daily water temperature in La Rochelle

Date	Current Year actual* / forecast**	last year	10 years average
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	49.8°F
Feb 27	53.3°F	50.5°F	49.9°F
Feb 28	52.1°F	50.3°F	49.5°F
Mar 1	53.1°F	50.6°F	49.5°F
Mar 2	53.2°F	50.2°F	49.4°F
Mar 3	53.4°F	50.1°F	49.3°F
Mar 4	53.3°F	49.4°F	49.5°F
Mar 5	53.3°F	49.6°F	49.6°F
Mar 6	53.3°F	50.4°F	49.7°F
Mar 7	53.1°F	50.7°F	49.6°F
Mar 8	53.6°F	51.7°F	49.4°F
Mar 9	53.8°F	51.6°F	49.6°F
Mar 10	53.7°F	51.4°F	49.6°F
Mar 11	54.2°F	52.2°F	50.0°F
Mar 12	54.4°F	52.2°F	50.3°F
Mar 13	54.6°F	51.6°F	50.4°F
Mar 14	54.9°F	51.6°F	50.7°F
Mar 15	54.8°F	51.4°F	50.6°F
Mar 16	55.1°F	51.1°F	50.9°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.