Loch Achanalt — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Loch Achanalt, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Loch Achanalt today is 17.5°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 |
|---|---|---|---|
| JUL 16 | 18.4°C | 20.8°C | |
| JUL 17 | 18.2°C | 20.8°C | |
| JUL 18 | 18.2°C | 20.8°C | |
| JUL 19 | 18.2°C | 20.8°C | |
| JUL 20 | 18.1°C | 20.8°C | |
| JUL 21 | 17.8°C | 20.8°C | |
| JUL 22 | 17.8°C | 20.8°C | |
| JUL 23 | 17.6°C | 20.8°C | |
| JUL 24 | 20.8°C | 17.7°C | |
| JUL 25 | 20.8°C | 17.8°C | |
| JUL 26 | 20.8°C | 18.0°C | |
| JUL 27 | 20.8°C | 18.2°C | |
| JUL 28 | 20.8°C | 18.3°C | |
| JUL 29 | 20.8°C | 18.5°C | |
| JUL 30 | 20.8°C | 18.7°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 | 0°C | 3°C | 6°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 4°C | 8°C |
| April | 4°C | 8°C | 12°C |
| May | 9°C | 14°C | 20°C |
| June | 12°C | 18°C | 24°C |
| July | 15°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 10°C | 15°C | 21°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 5°C | 8°C |
Loch Achanalt: Water Temperature by Location
Loch Achanalt: Weather Forecast
July 24
July 25
July 26
July 27
Location & Local Information
Loch Achanalt is a small freshwater lake situated near Achnasheen in the northwestern Highlands of Scotland. Surrounded by open moorland and distant hills, it lies in a cool, exposed landscape where water temperatures remain low throughout the year. In winter, the loch typically measures around 2–4 °C (36–39 °F), sometimes forming a thin layer of ice during cold spells. In spring, it slowly warms to about 7–9 °C (45–48 °F), while in summer, the surface water can reach 13–15 °C (55–59 °F) on sunny days. By autumn, temperatures fall again to around 8–10 °C (46–50 °F), maintaining the fresh, brisk quality characteristic of Highland lakes at higher elevations.
Swimming in Loch Achanalt is permitted but best suited to experienced wild swimmers due to its cold temperature and remote setting. The water is clean and peaceful, offering a refreshing experience for short dips during midsummer when conditions are calmest. Wetsuits are recommended year-round for comfort and safety. The loch is also known for fishing and birdwatching, with open views of surrounding peatland and mountain ridges. Nearby attractions include Loch Achanalt Nature Reserve, Loch Fannich, and the scenic drive toward Torridon and the west coast, where rugged peaks and glens define the landscape.