Geatnjajávri — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Geatnjajávri, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Geatnjajávri today is 7.1°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 | 8.0°C | 11.0°C | |
| SEP 15 | 8.8°C | 11.0°C | |
| SEP 16 | 8.3°C | 11.0°C | |
| SEP 17 | 7.9°C | 11.0°C | |
| SEP 18 | 7.7°C | 11.0°C | |
| SEP 19 | 7.5°C | 11.0°C | |
| SEP 20 | 7.3°C | 11.0°C | |
| SEP 22 | 11.0°C | 7.3°C | |
| SEP 23 | 11.0°C | 7.5°C | |
| SEP 24 | 11.0°C | 7.7°C | |
| SEP 25 | 11.0°C | 7.9°C | |
| SEP 26 | 11.0°C | 8.1°C | |
| SEP 27 | 11.0°C | 8.3°C | |
| SEP 28 | 11.0°C | 8.5°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 | 0°C | 4°C |
| April | 0°C | 2°C | 5°C |
| May | 0°C | 4°C | 8°C |
| June | 3°C | 8°C | 13°C |
| July | 8°C | 13°C | 19°C |
| August | 8°C | 13°C | 19°C |
| September | 6°C | 11°C | 17°C |
| October | 3°C | 7°C | 10°C |
| November | 0°C | 2°C | 4°C |
| December | 0°C | 2°C | 4°C |
Geatnjajávri: Water Temperature by Location
Geatnjajávri: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Geatnjajávri in Finnmark County is a subarctic lake, and its water temperatures reflect the cold northern climate. In winter the surface is normally frozen and water beneath the ice is close to 0 °C (32 °F). During spring and early summer, melting snow and cold inflows typically keep surface temperatures low, around 1–6 °C (34–43 °F). In midsummer, on sunnier and calmer days, surface temperatures can rise to roughly 8–15 °C (46–59 °F), with occasional warm spells pushing readings toward about 18 °C (64 °F). In autumn the lake cools again, commonly falling to about 4–8 °C (39–46 °F) before freeze-up.
Swimming in Geatnjajávri is generally permitted under Norway’s public access traditions, but practical and safety considerations are important. The low seasonal temperatures make prolonged swimming risky because of cold shock and hypothermia; access is often remote with no lifeguards or facilities, and ice cover in winter makes ordinary swimming impossible without specialized ice‑swimming practice and safety support. Short dips in summer or wetsuit-assisted swims are the safest options, and people should avoid solo cold-water outings, check local conditions and be prepared with insulation, flotation or companions if they plan to enter the water.