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 21.9°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 |
|---|---|---|---|
| JUN 3 | 19.4°C | 23.7°C | |
| JUN 4 | 19.4°C | 23.7°C | |
| JUN 5 | 20.9°C | 23.7°C | |
| JUN 6 | 21.0°C | 23.7°C | |
| JUN 7 | 21.1°C | 23.7°C | |
| JUN 8 | 21.1°C | 23.7°C | |
| JUN 11 | 23.7°C | 22.0°C | |
| JUN 12 | 23.7°C | 22.1°C | |
| JUN 13 | 23.7°C | 22.2°C | |
| JUN 14 | 23.7°C | 22.3°C | |
| JUN 15 | 23.7°C | 22.4°C | |
| JUN 16 | 23.7°C | 22.4°C | |
| JUN 17 | 23.7°C | 22.5°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
June 9
June 10
June 11
June 12
June 13
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.