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

75.8

°F

September 7, 01:07

Trend:

decreasing

Yesterday:

76.0°F

Tomorrow:

75.7°F

Sunrise:

06:55

Sunset:

19:49

Day Length:

12 h. 54 min.

L'Île-Rousse in September

Minimum:

57.1°F

Average:

58.6°F

Maximum:

60.4°F

Sea water temperature in L'Île-Rousse today

As of now, in L'Île-Rousse, the water temperature is 75.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.7°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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 79.7°F on 2022, while the historical minimum was 73.4°F on 2023.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 75.2°F, the minimum temperature may reach 74.8°F, and the maximum might stay at 75.7°F.

Daily water temperature in L'Île-Rousse

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 78.2°F 79.7°F 78.0°F
Aug 25 78.6°F 80.2°F 78.3°F
Aug 26 78.5°F 81.0°F 78.2°F
Aug 27 78.1°F 79.9°F 78.1°F
Aug 28 78.3°F 80.2°F 78.1°F
Aug 29 78.6°F 80.7°F 78.1°F
Aug 30 78.5°F 80.0°F 77.9°F
Aug 31 77.2°F 80.6°F 77.8°F
Sep 1 77.1°F 80.1°F 77.5°F
Sep 2 77.3°F 80.2°F 77.6°F
Sep 3 76.0°F 80.6°F 77.2°F
Sep 4 76.4°F 80.9°F 77.3°F
Sep 5 76.3°F 80.2°F 77.0°F
Sep 6 76.0°F 79.4°F 76.8°F
Sep 7 75.8°F 79.0°F 76.5°F
Sep 8 75.7°F 79.7°F 76.4°F
Sep 9 75.4°F 78.8°F 76.1°F
Sep 10 75.2°F 77.7°F 76.0°F
Sep 11 75.2°F 77.4°F 75.9°F
Sep 12 75.1°F 77.3°F 75.8°F
Sep 13 75.0°F 76.2°F 75.7°F
Sep 14 74.8°F 75.7°F 75.5°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 97 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 58.4°F in Winter, 59.8°F in Spring, 75.8°F in Summer, and 70.5°F in Autumn.