All data are in degrees Fahrenheit

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Water temperature in L'Île-Rousse

Detailed information about the current water temperature in L'Île-Rousse. 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 L'Île-Rousse now

57.8

°F

March 10, 19:37

Trend:

increasing

Yesterday:

57.8°F

Tomorrow:

58.1°F

Sunrise:

06:46

Sunset:

18:24

Day Length:

11 h. 38 min.

L'Île-Rousse in March

Minimum:

56.9°F

Average:

58.8°F

Maximum:

61.3°F

Sea water temperature in L'Île-Rousse today

As of now, in L'Île-Rousse, the water temperature is 57.8°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 1.3°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 rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 58.0°F on 2025, while the historical minimum was 55.3°F on 2018.

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 58.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in L'Île-Rousse

Date Current Year

actual* / forecast**

last year 10 years average
Feb 24 56.6°F 57.2°F 56.8°F
Feb 25 57.5°F 57.3°F 56.7°F
Feb 26 57.8°F 57.3°F 56.7°F
Feb 27 57.4°F 57.7°F 56.7°F
Feb 28 57.6°F 57.7°F 56.7°F
Mar 1 57.5°F 57.8°F 56.6°F
Mar 2 57.1°F 57.8°F 56.6°F
Mar 3 57.1°F 58.0°F 56.8°F
Mar 4 57.3°F 58.0°F 56.7°F
Mar 5 56.8°F 57.3°F 56.5°F
Mar 6 56.9°F 57.7°F 56.6°F
Mar 7 57.0°F 57.8°F 56.5°F
Mar 8 57.4°F 58.1°F 56.7°F
Mar 9 57.8°F 58.1°F 56.8°F
Mar 10 57.8°F 58.0°F 56.5°F
Mar 11 58.1°F 58.0°F 56.8°F
Mar 12 58.2°F 57.8°F 56.9°F
Mar 13 58.1°F 58.0°F 56.8°F
Mar 14 58.1°F 58.3°F 56.8°F
Mar 15 58.2°F 58.1°F 56.9°F
Mar 16 58.3°F 57.8°F 57.0°F
Mar 17 58.3°F 57.6°F 57.0°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 L'Île-Rousse by month

In L'Île-Rousse, the months July through September offer comfortable swimming conditions, which amounts to 99 swimming days.
The warmest water in L'Île-Rousse was recorded on July 5, 2025, reaching a 83.3°F. While the coldest temperature occurred on March 5, 2018, dipping to 55.0°F. The average readings by season are 58.5°F in Winter, 59.8°F in Spring, 75.7°F in Summer, and 70.6°F in Autumn.