All data are in degrees Fahrenheit

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Water temperature in Saint-Nazaire

Detailed information about the current water temperature in Saint-Nazaire. 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 Saint-Nazaire now

50.2

°F

December 22, 03:58

Trend:

increasing

Yesterday:

50.1°F

Tomorrow:

50.3°F

Sunrise:

08:54

Sunset:

17:22

Day Length:

8 h. 28 min.

Saint-Nazaire in December

Minimum:

47.4°F

Average:

48.7°F

Maximum:

50.3°F

Sea water temperature in Saint-Nazaire today

As of now, in Saint-Nazaire, the water temperature is 50.2°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 0.2°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 slightly 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 53.3°F on 2015, while the historical minimum was 48.3°F on 2021.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 50.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint-Nazaire

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 52.0°F 52.0°F 51.8°F
Dec 9 51.7°F 51.5°F 51.6°F
Dec 10 51.8°F 50.4°F 51.1°F
Dec 11 51.7°F 50.5°F 51.1°F
Dec 12 50.4°F 50.7°F 51.0°F
Dec 13 51.0°F 50.7°F 50.9°F
Dec 14 50.7°F 50.8°F 50.8°F
Dec 15 51.1°F 50.6°F 50.8°F
Dec 16 50.5°F 50.8°F 50.6°F
Dec 17 50.6°F 49.8°F 50.3°F
Dec 18 50.8°F 50.0°F 50.2°F
Dec 19 50.8°F 50.3°F 50.3°F
Dec 20 50.4°F 50.4°F 50.3°F
Dec 21 50.1°F 49.8°F 50.3°F
Dec 22 50.2°F 50.1°F 50.4°F
Dec 23 50.3°F 50.1°F 50.5°F
Dec 24 50.3°F 49.5°F 50.5°F
Dec 25 50.3°F 49.8°F 50.5°F
Dec 26 50.1°F 49.5°F 50.3°F
Dec 27 50.1°F 49.8°F 50.3°F
Dec 28 50.0°F 49.9°F 50.2°F
Dec 29 49.9°F 50.0°F 50.1°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 Saint-Nazaire by month

In an average year, Saint-Nazaire offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Saint-Nazaire was recorded on July 24, 2019, reaching a 73.0°F. While the coldest temperature occurred on February 2, 2022, dipping to 45.3°F. The average readings by season are 49.2°F in Winter, 54.2°F in Spring, 65.6°F in Summer, and 60.6°F in Autumn.