Ogosta Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ogosta Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ogosta Reservoir today is 14.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 21 | 16.1°C | 17.0°C | |
| OCT 22 | 15.8°C | 17.0°C | |
| OCT 23 | 15.2°C | 17.0°C | |
| OCT 24 | 15.6°C | 17.0°C | |
| OCT 25 | 15.6°C | 17.0°C | |
| OCT 26 | 15.3°C | 17.0°C | |
| OCT 27 | 14.9°C | 17.0°C | |
| OCT 28 | 14.9°C | 17.0°C | |
| OCT 29 | 17.0°C | 14.5°C | |
| OCT 30 | 17.0°C | 14.3°C | |
| OCT 31 | 17.0°C | 14.1°C | |
| NOV 1 | 11.0°C | 14.0°C | |
| NOV 2 | 11.0°C | 13.8°C | |
| NOV 3 | 11.0°C | 13.6°C | |
| NOV 4 | 11.0°C | 13.4°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 | 2°C | 8°C | 12°C |
| February | 3°C | 8°C | 12°C |
| March | 5°C | 10°C | 15°C |
| April | 9°C | 14°C | 19°C |
| May | 11°C | 17°C | 22°C |
| June | 16°C | 21°C | 26°C |
| July | 17°C | 23°C | 29°C |
| August | 18°C | 23°C | 29°C |
| September | 16°C | 21°C | 27°C |
| October | 12°C | 17°C | 20°C |
| November | 7°C | 11°C | 14°C |
| December | 4°C | 8°C | 12°C |
Ogosta Reservoir: Water Temperature by Location
Ogosta Reservoir: Weather Forecast
October 29
October 30
October 31
November 1
November 2
Location & Local Information
Ogosta Reservoir (Bulgarian: Язовир Огоста) is a large inland water body in northwestern Bulgaria whose surface waters follow seasonal patterns typical for continental climates. In winter the surface can fall to near freezing, commonly around 0–4 °C (32–39 °F), while spring sees a gradual rise to roughly 5–15 °C (41–59 °F) as the water warms. Summer surface temperatures are the most comfortable for bathing, often ranging from about 18–26 °C (64–79 °F) in open areas and occasionally higher in shallow bays. During autumn the lake cools again, usually showing surface values around 10–18 °C (50–64 °F). Deeper water remains colder year round, so reported temperatures typically refer to the upper layers.
Swimming at Ogosta is commonly practiced in the warm months and is generally allowed in many open, accessible bays because the reservoir is used for recreation, fishing and local leisure. However, access is not uniformly unrestricted: areas near dam structures, waterworks and boat channels are often regulated or prohibited for safety reasons, and there may be no lifeguard coverage. Water quality, weather conditions and local signage should be checked before entering; wind-driven waves, sudden depth changes and boat traffic can pose hazards even when temperatures are suitable for swimming.