Lake Koosa — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Koosa, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Koosa today is 2.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges less than 41°F (5°C). Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters. 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 28 | 7.2°C | 10.0°C | |
| OCT 29 | 6.8°C | 10.0°C | |
| OCT 30 | 6.8°C | 10.0°C | |
| OCT 31 | 6.7°C | 10.0°C | |
| NOV 1 | 6.6°C | 6.0°C | |
| NOV 2 | 2.6°C | 6.0°C | |
| NOV 3 | 2.5°C | 6.0°C | |
| NOV 4 | 2.4°C | 6.0°C | |
| NOV 5 | 6.0°C | 2.7°C | |
| NOV 6 | 6.0°C | 2.9°C | |
| NOV 7 | 6.0°C | 3.0°C | |
| NOV 8 | 6.0°C | 3.2°C | |
| NOV 9 | 6.0°C | 3.4°C | |
| NOV 10 | 6.0°C | 3.6°C | |
| NOV 11 | 6.0°C | 3.7°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 | 4°C | 7°C |
| April | 4°C | 8°C | 11°C |
| May | 7°C | 13°C | 19°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 6°C | 10°C | 13°C |
| November | 1°C | 6°C | 10°C |
| December | 0°C | 4°C | 7°C |
Lake Koosa: Water Temperature by Location
Lake Koosa: Weather Forecast
November 5
November 6
November 7
November 8
November 9
Location & Local Information
Koosa Lake (Koosa järv) typically follows the temperature patterns of small Estonian lakes. After ice break in spring (March–May) surface temperatures commonly rise from near freezing to about 2–12 °C (36–54 °F). In summer (June–August) surface waters usually warm to roughly 17–24 °C (63–75 °F), occasionally reaching 25–26 °C (77–79 °F) during warm spells. Autumn cooling (September–November) brings surface temperatures down into the range of about 8–14 °C (46–57 °F), while in winter the lake often freezes and water beneath the ice remains close to 0–4 °C (32–39 °F). These figures are approximate; actual measurements vary with weather, wind, depth and local inflows, with deeper layers staying colder year-round.
Swimming in and around Koosa is generally possible and commonly practised in summer because the lake is a public natural waterbody and there are no blanket bans on bathing. Suitability for swimming depends on conditions: water temperature, weather, visibility, and any local advisories about water quality or safety. Designated beaches or shallow bays warm more quickly and are preferred for casual swimming, while colder shoulder seasons increase the risk of hypothermia. Always heed local signs or guidance from municipal authorities if present.