ArstaddalsDammen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in ArstaddalsDammen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in ArstaddalsDammen today is 6.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold. 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 | 7.6°C | 12.0°C | |
| SEP 15 | 7.6°C | 12.0°C | |
| SEP 16 | 7.3°C | 12.0°C | |
| SEP 17 | 7.1°C | 12.0°C | |
| SEP 18 | 7.0°C | 12.0°C | |
| SEP 19 | 6.3°C | 12.0°C | |
| SEP 20 | 6.6°C | 12.0°C | |
| SEP 21 | 6.4°C | 12.0°C | |
| SEP 22 | 12.0°C | 6.7°C | |
| SEP 23 | 12.0°C | 7.0°C | |
| SEP 24 | 12.0°C | 7.2°C | |
| SEP 25 | 12.0°C | 7.5°C | |
| SEP 26 | 12.0°C | 7.8°C | |
| SEP 27 | 12.0°C | 8.1°C | |
| SEP 28 | 12.0°C | 8.4°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 | 3°C |
| February | 0°C | 2°C | 3°C |
| March | 0°C | 2°C | 4°C |
| April | 0°C | 2°C | 5°C |
| May | 1°C | 6°C | 11°C |
| June | 8°C | 15°C | 21°C |
| July | 11°C | 18°C | 24°C |
| August | 11°C | 17°C | 22°C |
| September | 7°C | 12°C | 18°C |
| October | 1°C | 5°C | 8°C |
| November | 0°C | 2°C | 5°C |
| December | 0°C | 2°C | 3°C |
ArstaddalsDammen: Water Temperature by Location
ArstaddalsDammen: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Arstaddalsdammen in Nordland County, Norway is a man-made reservoir whose surface temperatures reflect the cool coastal and inland climate of the region. In winter the lake commonly sits around 0 °C (32 °F) and is often ice-covered; spring thaw typically yields surface temperatures of about 1–8 °C (34–46 °F) as the water slowly warms. In summer, on calm sunny days, surface readings can reach roughly 8–16 °C (46–61 °F), though deep water remains substantially colder. During autumn the temperature drops again into the 4–8 °C (39–46 °F) range as cooling and mixing resume.
Swimming in Arstaddalsdammen is physically possible, but not without caution. Because it is a regulated reservoir there are often steep banks, infrastructure, intake areas and the potential for rapid level changes, so some zones near the dam or equipment may be restricted for safety reasons. Even in summer the water is cold enough to cause cold-water shock or hypothermia, and deeper spots remain chilly. Anyone choosing to swim should obey local signage, avoid restricted areas around facilities, enter slowly, wear a flotation aid if uncertain, and be aware of the cold-water risks.