Slavsko — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Slavsko, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Slavsko today is 18.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| AUG 4 | 19.9°C | 16.6°C | |
| AUG 5 | 20.1°C | 16.6°C | |
| AUG 6 | 20.6°C | 16.6°C | |
| AUG 7 | 22.1°C | 16.6°C | |
| AUG 8 | 22.4°C | 16.6°C | |
| AUG 9 | 21.1°C | 16.6°C | |
| AUG 10 | 21.0°C | 16.6°C | |
| AUG 11 | 18.1°C | 16.6°C | |
| AUG 12 | 16.6°C | 18.0°C | |
| AUG 13 | 16.6°C | 18.0°C | |
| AUG 14 | 16.6°C | 17.9°C | |
| AUG 15 | 16.6°C | 17.8°C | |
| AUG 16 | 16.6°C | 17.7°C | |
| AUG 17 | 16.6°C | 17.7°C | |
| AUG 18 | 16.6°C | 17.6°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 | 4°C | 7°C |
| February | 0°C | 4°C | 7°C |
| March | 0°C | 5°C | 9°C |
| April | 2°C | 7°C | 12°C |
| May | 4°C | 11°C | 17°C |
| June | 11°C | 16°C | 20°C |
| July | 13°C | 18°C | 23°C |
| August | 11°C | 17°C | 23°C |
| September | 9°C | 14°C | 18°C |
| October | 6°C | 9°C | 12°C |
| November | 1°C | 6°C | 9°C |
| December | 0°C | 5°C | 8°C |
Slavsko: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Slavsko, located in the Carpathian Mountains, lies along the Opir River — a fast-flowing mountain stream fed by cold springs and snowmelt. Even in the height of summer, the water here remains cool, typically around 14–17 °C in July and August. The river’s clear, oxygen-rich water and rocky bottom create a refreshing but bracing environment for swimming. Morning and evening hours tend to feel particularly cold, while the shallow, sunlit areas near the banks can warm up slightly during sunny days.
Swimming in the Opir near Slavsko is more about enjoying the natural mountain freshness than about long sessions in warm water. Locals and tourists often take short dips to cool off after hikes, or simply wade in the shallows to relax. The current in some stretches can be strong, especially after rain, so it’s best to choose calm spots near natural pools or wider bends of the river. Overall, bathing here offers a vivid connection with mountain nature — clear, cool, and invigorating.