Marmen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Marmen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Marmen today is 4.9°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 |
|---|---|---|---|
| OCT 24 | 5.9°C | 9.0°C | |
| OCT 25 | 5.8°C | 9.0°C | |
| OCT 26 | 5.5°C | 9.0°C | |
| OCT 27 | 5.3°C | 9.0°C | |
| OCT 28 | 5.2°C | 9.0°C | |
| OCT 29 | 5.5°C | 9.0°C | |
| OCT 30 | 5.0°C | 9.0°C | |
| OCT 31 | 4.9°C | 9.0°C | |
| NOV 1 | 5.0°C | 4.9°C | |
| NOV 2 | 5.0°C | 4.9°C | |
| NOV 3 | 5.0°C | 4.9°C | |
| NOV 4 | 5.0°C | 4.9°C | |
| NOV 5 | 5.0°C | 4.9°C | |
| NOV 6 | 5.0°C | 4.9°C | |
| NOV 7 | 5.0°C | 4.9°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 | 2°C | 5°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 4°C | 8°C |
| May | 5°C | 10°C | 15°C |
| June | 10°C | 15°C | 21°C |
| July | 14°C | 20°C | 25°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 5°C | 9°C | 12°C |
| November | 1°C | 5°C | 8°C |
| December | 0°C | 3°C | 6°C |
Marmen: Water Temperature by Location
Marmen: Weather Forecast
October 31
November 1
November 2
November 3
November 4
Location & Local Information
Lake Marmen in Gävleborg County, Sweden typically follows the seasonal temperature patterns of inland Scandinavian lakes. In spring the water commonly ranges from about 2–12 °C (36–54 °F) as ice thaws and thermal stratification begins. During the main bathing season in summer, surface temperatures often reach roughly 15–22 °C (59–72 °F), with the warmest weeks in July and early August. In autumn the lake cools again, usually falling to around 5–15 °C (41–59 °F) as air temperatures decline, and in winter the surface is commonly at or near freezing (around 0 °C / 32 °F) and may be ice-covered for extended periods.
Swimming in Marmen is generally allowed, reflecting Sweden’s public right of access and the common use of lakes for bathing, fishing and recreation. Whether swimming is advisable depends on current water quality, weather and ice conditions; local advisories or private property restrictions can apply in specific spots. Casual summer bathing is common when surface temperatures reach the mid-teens to low twenties Celsius, while winter swimming or ice bathing is only for experienced, well-equipped individuals because of hypothermia and safety risks. Visitors are encouraged to check local information about designated bathing sites, water quality and safety measures before entering the water.