Gökçekaya Dam — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Gökçekaya Dam, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Gökçekaya Dam today is 18°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 |
|---|---|---|---|
| OCT 4 | 19.1°C | 16.0°C | |
| OCT 5 | 19.3°C | 16.0°C | |
| OCT 6 | 18.8°C | 16.0°C | |
| OCT 7 | 18.9°C | 16.0°C | |
| OCT 8 | 19.0°C | 16.0°C | |
| OCT 9 | 18.5°C | 16.0°C | |
| OCT 10 | 17.3°C | 16.0°C | |
| OCT 11 | 18.0°C | 16.0°C | |
| OCT 12 | 16.0°C | 17.9°C | |
| OCT 13 | 16.0°C | 17.8°C | |
| OCT 14 | 16.0°C | 17.7°C | |
| OCT 15 | 16.0°C | 17.6°C | |
| OCT 16 | 16.0°C | 17.5°C | |
| OCT 17 | 16.0°C | 17.4°C | |
| OCT 18 | 16.0°C | 17.3°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 | 4°C | 8°C | 10°C |
| February | 6°C | 9°C | 12°C |
| March | 7°C | 10°C | 13°C |
| April | 9°C | 12°C | 15°C |
| May | 12°C | 17°C | 21°C |
| June | 19°C | 24°C | 28°C |
| July | 18°C | 23°C | 27°C |
| August | 19°C | 24°C | 28°C |
| September | 18°C | 22°C | 27°C |
| October | 12°C | 16°C | 18°C |
| November | 9°C | 12°C | 15°C |
| December | 6°C | 10°C | 13°C |
Gökçekaya Dam: Weather Forecast
October 11
October 12
October 13
October 14
October 15
Location & Local Information
Gökçekaya Dam, on the Sakarya River in central Anatolia, forms a large reservoir whose water temperature follows the region’s continental climate. Seasonal surface temperatures typically run about 3–8 °C (37–46 °F) in winter, rise to 8–15 °C (46–59 °F) in spring, reach roughly 18–26 °C (64–79 °F) in summer, and cool to about 12–18 °C (54–64 °F) in autumn. These values vary with depth, inflows, wind and sunlight; deeper water and areas influenced by turbine releases are often several degrees colder than shallow bays. Sudden changes in temperature can occur near outlets where colder hypolimnetic water is discharged.
As a working hydroelectric reservoir, swimming at Gökçekaya is generally discouraged or restricted for safety and operational reasons rather than for temperature alone. Strong currents around spillways and outlet structures, fluctuating water levels, submerged hazards, boat traffic and possible rapid cold-water upwelling create significant risks. Where local authorities or landowners permit access in sheltered, shallow areas during warm months, surface temperatures in summer can be comfortable for bathing, but visitors should always check signage and follow official guidance because conditions and rules can change.