Rosskreppfjorden — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Rosskreppfjorden, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Rosskreppfjorden today is 9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 |
|---|---|---|---|
| SEP 14 | 10.2°C | 13.0°C | |
| SEP 15 | 10.2°C | 13.0°C | |
| SEP 16 | 9.6°C | 13.0°C | |
| SEP 17 | 9.7°C | 13.0°C | |
| SEP 18 | 9.8°C | 13.0°C | |
| SEP 19 | 9.4°C | 13.0°C | |
| SEP 20 | 9.2°C | 13.0°C | |
| SEP 21 | 9.0°C | 13.0°C | |
| SEP 22 | 13.0°C | 9.2°C | |
| SEP 23 | 13.0°C | 9.4°C | |
| SEP 24 | 13.0°C | 9.6°C | |
| SEP 25 | 13.0°C | 9.8°C | |
| SEP 26 | 13.0°C | 10.0°C | |
| SEP 27 | 13.0°C | 10.2°C | |
| SEP 28 | 13.0°C | 10.4°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 | 2°C |
| February | 0°C | 2°C | 2°C |
| March | 0°C | 2°C | 3°C |
| April | 0°C | 4°C | 7°C |
| May | 3°C | 8°C | 13°C |
| June | 8°C | 14°C | 20°C |
| July | 12°C | 18°C | 23°C |
| August | 11°C | 17°C | 23°C |
| September | 8°C | 13°C | 19°C |
| October | 3°C | 7°C | 10°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 2°C | 3°C |
Rosskreppfjorden: Water Temperature by Location
Rosskreppfjorden: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Rosskreppfjorden is a large, upland reservoir in Agder County and typically has cooler water temperatures than lowland lakes. In summer the surface can warm enough for open-water bathing, often ranging roughly from 10–18 °C (50–64 °F) on calm afternoons, though deeper or wind-exposed areas remain cooler. In late spring and early autumn surface temperatures commonly sit between about 0–10 °C (32–50 °F) as snowmelt and cool nights dominate. During winter the lake usually freezes or sits at near-freezing temperatures, with water at or just above 0 °C (32 °F) beneath ice; such conditions are unsuitable for casual swimming.
Swimming at Rosskreppfjorden is generally possible under Norway’s access traditions, but conditions and local regulations matter. The reservoir character means fluctuating water levels, cold deep water, and potential outflow currents near dam structures, so swimming is not advised close to intakes, spillways or when ice is present. There are typically no lifeguards, and hypothermia or cold-water shock are real risks outside the warmest weeks, so most people only swim briefly in summer or as experienced cold-water bathers with proper precautions.