Tistedalselva River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Tistedalselva River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Tistedalselva River today is 15.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| AUG 26 | 16.7°C | 18.0°C | |
| AUG 27 | 16.7°C | 18.0°C | |
| AUG 28 | 16.6°C | 18.0°C | |
| AUG 29 | 16.8°C | 18.0°C | |
| AUG 30 | 17.2°C | 18.0°C | |
| AUG 31 | 17.3°C | 18.0°C | |
| SEP 1 | 16.1°C | 15.0°C | |
| SEP 2 | 16.2°C | 15.0°C | |
| SEP 3 | 15.0°C | 15.5°C | |
| SEP 4 | 15.0°C | 15.5°C | |
| SEP 5 | 15.0°C | 15.4°C | |
| SEP 6 | 15.0°C | 15.4°C | |
| SEP 7 | 15.0°C | 15.4°C | |
| SEP 8 | 15.0°C | 15.4°C | |
| SEP 9 | 15.0°C | 15.3°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 | 2°C | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 3°C | 7°C | 9°C |
| May | 6°C | 10°C | 15°C |
| June | 11°C | 16°C | 20°C |
| July | 14°C | 18°C | 23°C |
| August | 14°C | 18°C | 23°C |
| September | 10°C | 15°C | 19°C |
| October | 6°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Tistedalselva River: Water Temperature by Location
Tistedalselva River: Weather Forecast
September 3
September 4
September 5
September 6
September 7
September 8
Location & Local Information
Tistedalselva is a relatively small river in the Østfold area of southeastern Norway. Water temperatures vary markedly through the year: in winter the river is typically close to freezing, about 0–4 °C (32–39 °F); spring temperatures rise to roughly 4–12 °C (39–54 °F) as snowmelt and runoff warm the flow; in summer surface temperatures can reach approximately 12–22 °C (54–72 °F) in sheltered stretches and on warm days; and autumn sees a cooling trend to around 6–14 °C (43–57 °F). These figures are approximate and depend on recent weather, flow, shading from vegetation and depth; deeper, faster sections will remain colder than shallow, sun-exposed pools.
Swimming in Tistedalselva is in principle allowed, but whether it is advisable depends on location and conditions. There are no universal prohibitions, yet safety and water quality vary: strong currents, cold temperatures outside summer months, submerged obstacles and variable water quality after heavy rain can make some spots unsafe. For comfortable swimming, late summer is best when surface temperatures are highest. Locally designated bathing areas or well-known, sheltered stretches are the safest choices; always check local guidance, posted signs and recent water-quality information before entering the river.