Karperöfjärden Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Karperöfjärden Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Karperöfjärden Lake today is 3.8°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 |
|---|---|---|---|
| APR 11 | 2.0°C | 2.0°C | |
| APR 12 | 2.1°C | 2.0°C | |
| APR 13 | 2.2°C | 2.0°C | |
| APR 14 | 2.6°C | 2.0°C | |
| APR 15 | 2.9°C | 2.0°C | |
| APR 16 | 3.1°C | 2.0°C | |
| APR 17 | 3.3°C | 2.0°C | |
| APR 18 | 3.7°C | 2.0°C | |
| APR 19 | 2.0°C | 3.7°C | |
| APR 20 | 2.0°C | 3.6°C | |
| APR 21 | 2.0°C | 3.5°C | |
| APR 22 | 2.0°C | 3.4°C | |
| APR 23 | 2.0°C | 3.4°C | |
| APR 24 | 2.0°C | 3.3°C | |
| APR 25 | 2.0°C | 3.2°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 2°C | 5°C |
| May | 3°C | 8°C | 13°C |
| June | 11°C | 17°C | 22°C |
| July | 14°C | 20°C | 25°C |
| August | 12°C | 18°C | 23°C |
| September | 8°C | 13°C | 19°C |
| October | 4°C | 8°C | 11°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 2°C | 5°C |
Karperöfjärden Lake: Water Temperature by Location
Karperöfjärden Lake: Weather Forecast
April 19
April 20
April 21
April 22
April 23
April 24
Location & Local Information
Lake Karperöfjärden, located in Ostrobothnia near the city of Vaasa, is a shallow coastal lake that connects with nearby waterways leading toward the Gulf of Bothnia. Its low depth and sheltered position allow the water to warm quickly in summer, making it one of the more pleasant lakes in the region for swimming. In spring, after the ice melts in April or early May, the surface temperature is about 5–8 °C (41–46 °F). During early summer, it rises to 14–17 °C (57–63 °F), and in July, the warmest period, the lake typically reaches 19–22 °C (66–72 °F). On hot days, the water in shallow areas may briefly exceed 23 °C (73 °F). By September, the temperature cools below 10 °C (50 °F), and the lake generally freezes again in November.
Swimming in Lake Karperöfjärden is allowed and popular among locals, especially during sunny summer days. The water quality is generally good, though slightly affected by surrounding vegetation and sediment. Public swimming areas provide safe access, and the gently sloping shores make it suitable for families. Because of its shallow depth and relatively warm water, Karperöfjärden offers a comfortable and natural environment for swimming and outdoor recreation.