Namsos — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Namsos, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Namsos today is 10.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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 |
|---|---|---|---|
| JUN 2 | 9.6°C | 12.0°C | |
| JUN 3 | 10.0°C | 12.0°C | |
| JUN 4 | 10.0°C | 12.0°C | |
| JUN 5 | 10.0°C | 12.0°C | |
| JUN 6 | 10.0°C | 12.0°C | |
| JUN 7 | 11.1°C | 12.0°C | |
| JUN 8 | 11.1°C | 12.0°C | |
| JUN 10 | 12.0°C | 10.9°C | |
| JUN 11 | 12.0°C | 10.9°C | |
| JUN 12 | 12.0°C | 11.0°C | |
| JUN 13 | 12.0°C | 11.0°C | |
| JUN 14 | 12.0°C | 11.1°C | |
| JUN 15 | 12.0°C | 11.2°C | |
| JUN 16 | 12.0°C | 11.2°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 | 0°C | 3°C |
| February | 0°C | 0°C | 3°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 2°C | 5°C |
| May | 1°C | 6°C | 10°C |
| June | 8°C | 12°C | 17°C |
| July | 11°C | 16°C | 20°C |
| August | 10°C | 15°C | 19°C |
| September | 7°C | 11°C | 16°C |
| October | 3°C | 7°C | 9°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 1°C | 4°C |
Namsos: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lakes around Namsos in Trøndelag typically show pronounced seasonal variation in surface temperature. In spring (March–May) water often warms from near freezing to roughly 0–10 °C (32–50 °F) as ice melts and daylight increases. Summer (June–August) brings the warmest conditions, with many shallow, sheltered lakes commonly reaching 12–22 °C (54–72 °F) on pleasant days; deeper or more shaded lakes remain a few degrees cooler. In autumn (September–November) temperatures fall again to roughly 4–12 °C (39–54 °F), and in winter the surface is frequently close to 0 °C (32 °F) and may be ice-covered for periods depending on local conditions and elevation.
Swimming in lakes near Namsos is generally permitted and commonly practiced in summer because of Norway’s right of access (allemannsretten) and the availability of public bathing spots and simple facilities. Local municipalities monitor water quality at popular beaches, so swimming is advisable when there are no official advisories. Cold water shock and rapid cooling are the main safety concerns outside mid-summer, and ice or thin ice in winter makes swimming unsafe. As always, swimmers should choose sheltered, clearly accessible spots, be aware of weather and temperature, and use caution if conditions are cool or variable.