Geyve — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Geyve, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Geyve today is 21.1°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 |
|---|---|---|---|
| SEP 13 | 22.4°C | 23.0°C | |
| SEP 14 | 22.6°C | 23.0°C | |
| SEP 15 | 22.9°C | 23.0°C | |
| SEP 16 | 21.6°C | 23.0°C | |
| SEP 17 | 21.8°C | 23.0°C | |
| SEP 18 | 21.9°C | 23.0°C | |
| SEP 19 | 22.0°C | 23.0°C | |
| SEP 20 | 20.6°C | 23.0°C | |
| SEP 21 | 23.0°C | 21.2°C | |
| SEP 22 | 23.0°C | 21.3°C | |
| SEP 23 | 23.0°C | 21.4°C | |
| SEP 24 | 23.0°C | 21.5°C | |
| SEP 25 | 23.0°C | 21.6°C | |
| SEP 26 | 23.0°C | 21.7°C | |
| SEP 27 | 23.0°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 | 5°C | 9°C | 11°C |
| February | 7°C | 10°C | 13°C |
| March | 7°C | 11°C | 14°C |
| April | 9°C | 13°C | 16°C |
| May | 12°C | 17°C | 22°C |
| June | 20°C | 25°C | 28°C |
| July | 19°C | 24°C | 28°C |
| August | 20°C | 24°C | 29°C |
| September | 18°C | 23°C | 27°C |
| October | 13°C | 17°C | 19°C |
| November | 9°C | 13°C | 16°C |
| December | 6°C | 10°C | 14°C |
Geyve: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Geyve, a district in Sakarya province, lies close to several inland water bodies and reservoirs that reflect the Marmara region’s temperate climate. Water temperatures in the nearby lakes vary through the year: in winter they commonly fall to roughly 4–8 °C (39–46 °F), spring brings a gradual rise to about 10–18 °C (50–64 °F), summer peak temperatures generally reach around 22–26 °C (72–79 °F), and autumn sees cooling to roughly 12–20 °C (54–68 °F). These figures are approximate and can shift with local weather patterns, depth of the lake, inflows, and shading from surrounding hills or vegetation.
Swimming in lakes around Geyve is seasonally possible but not uniformly permitted. During warm months many people swim where there are designated bathing spots and beaches, because the water temperature then becomes comfortable for recreation. However, access and safety depend on local rules, water quality monitoring, and whether a particular lake is used for drinking water, irrigation, or ecological protection; such lakes may restrict bathing to preserve supply or habitat. Anyone planning to swim should follow posted signs, check current water quality advisories from local authorities, and be mindful of depth, underwater hazards, and seasonal temperature changes that affect comfort and safety.