Korssjøen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Korssjøen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Korssjøen today is 12.5°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 |
|---|---|---|---|
| JUN 3 | 11.1°C | 17.6°C | |
| JUN 4 | 11.1°C | 17.6°C | |
| JUN 5 | 11.1°C | 17.6°C | |
| JUN 6 | 11.1°C | 17.6°C | |
| JUN 7 | 12.5°C | 17.6°C | |
| JUN 8 | 12.5°C | 17.6°C | |
| JUN 10 | 12.5°C | 17.6°C | |
| JUN 11 | 17.6°C | 12.8°C | |
| JUN 12 | 17.6°C | 13.0°C | |
| JUN 13 | 17.6°C | 13.3°C | |
| JUN 14 | 17.6°C | 13.5°C | |
| JUN 15 | 17.6°C | 13.8°C | |
| JUN 16 | 17.6°C | 14.0°C | |
| JUN 17 | 17.6°C | 14.3°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 | 2°C | 7°C | 11°C |
| May | 7°C | 12°C | 18°C |
| June | 11°C | 18°C | 24°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 12°C | 18°C | 23°C |
| October | 7°C | 11°C | 14°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Korssjøen: Water Temperature by Location
Korssjøen: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Korssjøen in Vestfold County (Korssjøen) typically follows the seasonal patterns of small inland Norwegian lakes. In spring the surface temperature commonly rises from around 4–12 °C (39–54 °F) as ice melts and air temperatures climb. Peak summer temperatures are usually reached in July and August, often ranging from about 15–22 °C (59–72 °F) on warm years, making the water pleasantly swimmable for many people. In autumn the lake cools back to roughly 6–14 °C (43–57 °F), and in winter the surface may drop to around 0–4 °C (32–39 °F) with ice formation when conditions are cold enough.
Swimming at Korssjøen is generally allowed and commonly practiced in the warmer months because Norwegian public access rights permit shoreline use and the lake is a traditional recreational spot. There are no universal lifeguards, so swimmers should be cautious about sudden depth changes, low temperatures, boat traffic and occasional algae or local water-quality advisories; checking posted signs or local guidance is advisable. For summer swimming most people find the lake comfortable, while cooler-water swimmers may prefer wetsuits; winter or ice swimming is undertaken by experienced individuals with appropriate safety measures.