Loch Shiel — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Loch Shiel, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Loch Shiel today is 18.1°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 |
|---|---|---|---|
| JUL 16 | 19.0°C | 21.3°C | |
| JUL 17 | 18.8°C | 21.3°C | |
| JUL 18 | 18.8°C | 21.3°C | |
| JUL 19 | 18.8°C | 21.3°C | |
| JUL 20 | 18.7°C | 21.3°C | |
| JUL 21 | 18.3°C | 21.3°C | |
| JUL 22 | 18.3°C | 21.3°C | |
| JUL 23 | 18.2°C | 21.3°C | |
| JUL 24 | 21.3°C | 18.3°C | |
| JUL 25 | 21.3°C | 18.4°C | |
| JUL 26 | 21.3°C | 18.6°C | |
| JUL 27 | 21.3°C | 18.7°C | |
| JUL 28 | 21.3°C | 18.9°C | |
| JUL 29 | 21.3°C | 19.1°C | |
| JUL 30 | 21.3°C | 19.2°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 | 4°C | 8°C |
| March | 2°C | 6°C | 9°C |
| April | 5°C | 9°C | 12°C |
| May | 8°C | 13°C | 19°C |
| June | 13°C | 21°C | 28°C |
| July | 15°C | 21°C | 27°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 7°C | 11°C | 14°C |
| November | 4°C | 8°C | 11°C |
| December | 1°C | 5°C | 9°C |
Loch Shiel: Water Temperature by Location
Loch Shiel: Weather Forecast
July 24
July 25
July 26
July 27
Location & Local Information
Loch Shiel is a long freshwater lake in the western Highlands of Scotland, stretching from Glenfinnan toward Acharacle. Surrounded by steep hills and native woodland, it remains cool throughout the year due to its depth and sheltered position. In winter, the water temperature usually ranges from 3–5 °C (37–41 °F), while in spring it gradually rises to about 7–9 °C (45–48 °F). During the summer months, the surface can reach 13–15 °C (55–59 °F) in calm, sunny conditions, though deeper layers stay close to 6 °C (43 °F). By autumn, the temperature drops again toward 9–11 °C (48–52 °F), giving the loch its consistently fresh Highland character.
Swimming in Loch Shiel is permitted and increasingly popular among open-water swimmers drawn to its remote beauty. However, the water remains cold year-round, so wetsuits are recommended even in summer. The loch is clean and scenic, with sheltered bays that offer relatively calm conditions, though sudden changes in weather can create strong winds and waves. It is also a popular spot for kayaking and small boat trips. Nearby attractions include the Glenfinnan Monument, the famous viaduct featured in the Harry Potter films, and numerous walking routes through the rugged hills and glens surrounding the loch.