Oust River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Oust River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Oust River today is 19.1°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 |
|---|---|---|---|
| JUN 23 | 18.4°C | 19.0°C | |
| JUN 24 | 18.5°C | 19.0°C | |
| JUN 25 | 19.2°C | 19.0°C | |
| JUN 26 | 19.2°C | 19.0°C | |
| JUN 27 | 19.2°C | 19.0°C | |
| JUN 28 | 19.2°C | 19.0°C | |
| JUN 29 | 19.5°C | 19.0°C | |
| JUN 30 | 19.1°C | 19.0°C | |
| JUL 1 | 20.0°C | 19.1°C | |
| JUL 2 | 20.0°C | 19.2°C | |
| JUL 3 | 20.0°C | 19.2°C | |
| JUL 4 | 20.0°C | 19.3°C | |
| JUL 5 | 20.0°C | 19.3°C | |
| JUL 6 | 20.0°C | 19.4°C | |
| JUL 7 | 20.0°C | 19.4°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 | 19°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 | 12°C |
| December | 2°C | 6°C | 9°C |
Oust River: Water Temperature by Location
Oust River: Weather Forecast
July 1
July 2
July 3
July 4
July 5
Location & Local Information
Source:
• location Brittany
Mouth:
• location Vilaine
• coordinates 47°37′50″N 2°5′49″W
Length 145 km (90 mi)
Basin size 3,630 km2 (1,400 sq mi)
Discharge:
• average 25 m3/s (880 cu ft/s)
The Oust River, flowing through Brittany, France, is known for its scenic charm and the way it blends with the Nantes-Brest Canal, creating unique waterways popular among locals and tourists. During the warmer months, especially in July and August, water temperatures typically range between 18°C and 22°C (64°F and 72°F), which can feel refreshing for recreational activities. While the Oust is not as commonly used for swimming as some other rivers in France, it is suitable for light wading or a quick dip in designated areas. Safety can be a concern due to boat traffic along parts of the river, particularly near the canal sections, which are better suited for boating and kayaking.
The river's currents are mostly calm, especially in the canal regions, making it a popular spot for paddle boarding and kayaking. There are designated swimming zones, but it's advisable to check local guidelines, as the Oust’s primary recreational appeal lies in its scenic boat trips, walks along its banks, and angling opportunities. Local authorities or visitor centers often provide updates on safe swimming areas and water conditions.