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Kozjak Hydro Power Plant — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Kozjak Hydro Power Plant, trends, monthly ranges and the forecast for the coming days.

Kozjak Hydro Power Plant, North Macedonia
Kozjak Hydro Power Plant, North Macedonia © By Brest, GFDL

Current Water Temperature

19.6°C
Today
19.6°C
Yesterday
17.9°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Kozjak Hydro Power Plant today is 19.6°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

From May 11 to June 11

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 417.9°C21.0°C
JUN 517.8°C21.0°C
JUN 617.8°C21.0°C
JUN 717.8°C21.0°C
JUN 817.8°C21.0°C
JUN 1019.6°C21.0°C
JUN 1119.6°C21.0°C
JUN 1221.0°C19.7°C
JUN 1321.0°C19.7°C
JUN 1421.0°C19.8°C
JUN 1521.0°C19.9°C
JUN 1621.0°C20.0°C
JUN 1721.0°C20.0°C
JUN 1821.0°C20.1°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
January4°C8°C11°C
February4°C8°C11°C
March6°C10°C14°C
April7°C13°C18°C
May10°C17°C24°C
June16°C21°C26°C
July18°C23°C28°C
August19°C24°C29°C
September16°C21°C26°C
October12°C17°C20°C
November6°C12°C17°C
December4°C8°C11°C

Kozjak Hydro Power Plant: Water Temperature by Location

Kozjak Hydro Power Plant: Weather Forecast

June 12

° / °
slight thunderstorm
rain: 66% | wind:

June 13

° / °
slight rain
rain: 18% | wind:

June 14

° / °
overcast
rain: 10% | wind:

June 15

° / °
slight rain showers
rain: 10% | wind:

Location & Local Information

Kozjak Lake is the largest artificial lake in North Macedonia, created by the dam of the Kozjak Hydro Power Plant on the Treska River, located in a predominantly mountainous continental region. Due to its depth and the cool river inflows, the lake maintains relatively low temperatures throughout the year. In winter, the surface water temperature typically hovers between 4∘C and 8∘C. During the summer, the surface layers warm up sufficiently for recreational use, generally reaching a comfortable range of 20∘C to 23∘C in the peak months of July and August.

Swimming in Kozjak Lake is generally allowed and is a popular activity during the warm summer months. Although the lake primarily serves an energy production function, its clear waters and picturesque setting attract visitors for recreation, including boating and swimming. Swimmers should exercise caution due to the significant depth of the reservoir and the rapid temperature drop below the surface layer. Furthermore, while the lake is considered clean, swimming areas are not officially regulated with lifeguards, so it is practiced at one's own risk, particularly away from established access points.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Kozjak Hydro Power Plant?
Water Temperature in Kozjak Hydro Power Plant today is 19.6°C.
What is the water temperature in Kozjak Hydro Power Plant during the summer months?
The water temperature in Kozjak Hydro Power Plant in summer fluctuates in the range of 16°C - 29°C.
Is it possible to swim in Kozjak Hydro Power Plant (North Macedonia) and what are the possibilities for this?
Yes — people do swim in the Kozjak reservoir behind the hydroelectric plant and use it for informal swimming, sunbathing, kayaking and other small‑craft recreation, but there are no official supervised beaches, access and safety vary, and swimming near intake/outlet structures can be dangerous or restricted by the plant operator or local authorities, so exercise caution and follow local guidance.