Tatvan — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Tatvan, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Tatvan today is 20.3°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 14 | 19.7°C | 17.9°C | |
| SEP 15 | 19.1°C | 17.9°C | |
| SEP 16 | 19.3°C | 17.9°C | |
| SEP 17 | 19.8°C | 17.9°C | |
| SEP 18 | 19.6°C | 17.9°C | |
| SEP 19 | 19.4°C | 17.9°C | |
| SEP 20 | 20.8°C | 17.9°C | |
| SEP 21 | 20.3°C | 17.9°C | |
| SEP 22 | 17.9°C | 20.2°C | |
| SEP 23 | 17.9°C | 20.1°C | |
| SEP 24 | 17.9°C | 19.9°C | |
| SEP 25 | 17.9°C | 19.8°C | |
| SEP 26 | 17.9°C | 19.7°C | |
| SEP 27 | 17.9°C | 19.6°C | |
| SEP 28 | 17.9°C | 19.5°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 | 0°C | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 0°C | 3°C | 6°C |
| April | 3°C | 7°C | 12°C |
| May | 7°C | 12°C | 18°C |
| June | 11°C | 17°C | 23°C |
| July | 13°C | 20°C | 27°C |
| August | 14°C | 21°C | 28°C |
| September | 12°C | 18°C | 24°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 8°C | 13°C |
| December | 1°C | 5°C | 8°C |
Tatvan: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
Tatvan sits on the western shore of Lake Van in Bitlis province, beside one of Turkey’s largest high-altitude soda lakes. Surface water temperatures at Tatvan fluctuate markedly with the seasons. In winter the lake surface commonly falls to around 1–4 °C (34–39 °F), while spring brings a gradual rise into roughly 5–12 °C (41–54 °F). Summer months are the warmest, with typical surface temperatures near Tatvan in the vicinity of 18–25 °C (64–77 °F) on calmer days, and autumn sees cooling back to about 10–15 °C (50–59 °F). Local conditions such as wind, depth and bay exposure can cause short-term variations from these averages.
Swimming is generally possible and is a common recreational activity in the warmer months, mainly from late June through early September when temperatures are most comfortable. The lake’s alkaline, mineral-rich water has different buoyancy and can irritate eyes and sensitive skin, so people often take basic precautions. There are limited organized lifeguard services and facilities in many spots around Tatvan, so swimmers should be cautious about sudden weather changes, cold deep water and variable currents. While municipal regulations rarely prohibit bathing outright in summer, responsible local guidance and attention to conditions are advised.