Inniscarra Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Inniscarra Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Inniscarra Lake today is 21°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 17 | 21.2°C | 23.2°C | |
| JUL 18 | 21.0°C | 23.2°C | |
| JUL 19 | 21.3°C | 23.2°C | |
| JUL 20 | 21.3°C | 23.2°C | |
| JUL 21 | 21.0°C | 23.2°C | |
| JUL 22 | 20.9°C | 23.2°C | |
| JUL 23 | 21.0°C | 23.2°C | |
| JUL 24 | 21.0°C | 23.2°C | |
| JUL 25 | 23.2°C | 21.1°C | |
| JUL 26 | 23.2°C | 21.2°C | |
| JUL 27 | 23.2°C | 21.3°C | |
| JUL 28 | 23.2°C | 21.4°C | |
| JUL 29 | 23.2°C | 21.6°C | |
| JUL 30 | 23.2°C | 21.7°C | |
| JUL 31 | 23.2°C | 21.8°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 | 3°C | 7°C | 10°C |
| February | 4°C | 8°C | 11°C |
| March | 6°C | 10°C | 13°C |
| April | 9°C | 13°C | 17°C |
| May | 11°C | 17°C | 22°C |
| June | 14°C | 21°C | 28°C |
| July | 17°C | 23°C | 29°C |
| August | 18°C | 23°C | 28°C |
| September | 16°C | 21°C | 26°C |
| October | 11°C | 15°C | 19°C |
| November | 6°C | 10°C | 13°C |
| December | 4°C | 8°C | 11°C |
Inniscarra Lake: Water Temperature by Location
Inniscarra Lake: Weather Forecast
July 24
July 25
July 26
July 27
Location & Local Information
Inniscarra Lake (also known as Inniscarra Reservoir) in County Cork is a man-made lake formed by the damming of the River Lee in the 1950s. Being a reservoir rather than a natural shallow lake, its water remains rather cool throughout the year. While precise seasonal surface-temperature records for the lake are limited, hydrometric data show that even in late summer the water is often in the low teens Celsius. For example, readings from nearby monitoring stations suggest water temperatures of around 10–14 °C (50–57 °F) in warmer months. In winter and early spring, water temperatures are likely to fall to around 4–7 °C (39–45 °F), given the depth and inflows of cold river-water. Because of this, swimming in the lake tends to be brisk and more suitable for short dips or for those accustomed to cool-water conditions.
Swimming at Inniscarra Lake is not widely promoted as a dedicated bathing venue, and access points are more commonly associated with rowing, sailing and fishing. Nevertheless, swimming is physically possible, especially on warm, calm days and preferably when joined by others or with safety precautions. The lake’s tranquil setting lends itself to outdoor recreation, though swimmers should be aware of depth, changing weather and activity from boats or watercraft. Nearby attractions enhance the visit: the village of Coachford lies on the lake’s north shore, popular for riverside walks and local amenities; the scenic Farran Bridge and forested trails around the reservoir provide further outdoor options; and Cork city, only a short drive away, offers cultural and dining opportunities.