Lorient — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lorient, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lorient today is 17.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| SEP 8 | 19.3°C | 17.0°C | |
| SEP 9 | 18.2°C | 17.0°C | |
| SEP 10 | 18.5°C | 17.0°C | |
| SEP 12 | 18.1°C | 17.0°C | |
| SEP 13 | 17.9°C | 17.0°C | |
| SEP 14 | 17.7°C | 17.0°C | |
| SEP 15 | 17.3°C | 17.0°C | |
| SEP 16 | 17.0°C | 17.2°C | |
| SEP 17 | 17.0°C | 17.2°C | |
| SEP 18 | 17.0°C | 17.2°C | |
| SEP 19 | 17.0°C | 17.2°C | |
| SEP 20 | 17.0°C | 17.2°C | |
| SEP 21 | 17.0°C | 17.1°C | |
| SEP 22 | 17.0°C | 17.1°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 | 14°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 | 5°C | 8°C | 11°C |
Lorient: Weather Forecast
September 16
September 17
September 18
September 19
Location & Local Information
Lorient, situated in Brittany on the Blavet River, is close to where the river flows into the Atlantic Ocean, giving it unique coastal and riverine characteristics. Due to this proximity, the Blavet’s water temperature in Lorient is influenced by both river and sea temperatures, which means it remains cool throughout the year. In summer, the water temperature averages around 15–18°C (59–64°F), while in winter, it can drop to 7–10°C (45–50°F). These conditions make swimming in the Blavet near Lorient less common, as the temperatures and tidal currents can be challenging for safe swimming.
Although swimming directly in the Blavet River isn’t common in Lorient, the city is well-known for its easy access to nearby beaches along the Atlantic coast, which are popular for swimming, surfing, and other water sports. Beaches like Plage de Larmor and Plage du Toulhars provide more comfortable environments for swimming, with warmer water temperatures in the summer. Lorient’s picturesque harbor and riverside views along the Blavet also offer relaxing and scenic spots for walks, picnics, and enjoying the maritime atmosphere.