Nantes — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Nantes, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Nantes today is 20°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 24 | 20.6°C | 20.0°C | |
| AUG 25 | 20.6°C | 20.0°C | |
| AUG 26 | 19.9°C | 20.0°C | |
| AUG 27 | 19.9°C | 20.0°C | |
| AUG 28 | 19.9°C | 20.0°C | |
| AUG 29 | 19.8°C | 20.0°C | |
| AUG 30 | 19.9°C | 20.0°C | |
| AUG 31 | 20.0°C | 20.0°C | |
| SEP 1 | 17.0°C | 19.9°C | |
| SEP 2 | 17.0°C | 19.7°C | |
| SEP 3 | 17.0°C | 19.6°C | |
| SEP 4 | 17.0°C | 19.4°C | |
| SEP 5 | 17.0°C | 19.3°C | |
| SEP 6 | 17.0°C | 19.1°C | |
| SEP 7 | 17.0°C | 19.0°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 2°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 5°C | 9°C | 11°C |
| April | 9°C | 12°C | 15°C |
| May | 10°C | 15°C | 20°C |
| June | 15°C | 19°C | 24°C |
| July | 16°C | 20°C | 25°C |
| August | 16°C | 20°C | 25°C |
| September | 12°C | 17°C | 21°C |
| October | 9°C | 13°C | 16°C |
| November | 5°C | 9°C | 13°C |
| December | 2°C | 6°C | 11°C |
Nantes: Weather Forecast
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September 4
September 5
Location & Local Information
Nantes, a vibrant city located on the Loire River in western France, offers a beautiful setting along one of Europe's longest rivers. The Loire, which flows through the heart of the city, provides ample opportunities for outdoor recreation, including boating and riverside walks. Swimming directly in the river is not typically recommended due to the strong currents and varying water quality, especially near the city center. The water temperature in the Loire River around Nantes can be quite chilly, with winter temperatures often dropping to around 5°C (41°F). In the summer months, water temperatures rise to more comfortable levels, typically around 18–20°C (64–68°F), but the river's flow remains fast and unpredictable, which can make swimming hazardous in certain areas.
For those looking for safe swimming options, Nantes has several public swimming pools, as well as nearby lakes and beaches along the Atlantic coast, which provide a more controlled environment for swimming. The riverbanks are also popular for other recreational activities, such as kayaking and paddleboarding, where the calm sections of the river are better suited for these activities. Nantes' proximity to the ocean offers additional opportunities for swimming and beach activities, making it a popular destination for those looking to enjoy water-based fun in a safe and enjoyable setting.