Tanana River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Tanana River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Tanana River today is 6.2°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 | 8.7°C | 11.0°C | |
| SEP 15 | 8.4°C | 11.0°C | |
| SEP 16 | 7.5°C | 11.0°C | |
| SEP 17 | 7.6°C | 11.0°C | |
| SEP 18 | 7.1°C | 11.0°C | |
| SEP 19 | 6.4°C | 11.0°C | |
| SEP 20 | 5.7°C | 11.0°C | |
| SEP 21 | 5.9°C | 11.0°C | |
| SEP 22 | 11.0°C | 6.4°C | |
| SEP 23 | 11.0°C | 6.7°C | |
| SEP 24 | 11.0°C | 6.9°C | |
| SEP 25 | 11.0°C | 7.2°C | |
| SEP 26 | 11.0°C | 7.4°C | |
| SEP 27 | 11.0°C | 7.6°C | |
| SEP 28 | 11.0°C | 7.9°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 | 0°C | 2°C |
| February | 0°C | 0°C | 2°C |
| March | 0°C | 3°C | 6°C |
| April | 0°C | 3°C | 6°C |
| May | 0°C | 6°C | 11°C |
| June | 3°C | 9°C | 14°C |
| July | 9°C | 15°C | 21°C |
| August | 9°C | 14°C | 19°C |
| September | 3°C | 11°C | 19°C |
| October | 0°C | 6°C | 11°C |
| November | 0°C | 1°C | 2°C |
| December | 0°C | 1°C | 1°C |
Tanana River: Water Temperature by Location
Tanana River: Weather Forecast
September 22
September 23
September 24
September 25
September 26
September 27
Location & Local Information
Source confluence of the Nabesna and Chisana rivers
• location Northway Junction, Tetlin National Wildlife Refuge
• elevation 1,672 ft (510 m)
Mouth Yukon River
• location near Tanana
• elevation 200 ft (61 m)
Length 584 mi (940 km)
The Tanana River, flowing through central Alaska, is a major tributary of the Yukon River. Due to its northern location, the water temperature in the Tanana River tends to be quite cold year-round. In the summer months, the water temperature typically hovers around 50–60°F (10–16°C), which can feel refreshing but also chilly for prolonged swimming. During the winter, temperatures drop further, and the river may freeze over in many areas, making swimming entirely impractical.
Swimming in the Tanana River is not commonly recommended due to its cold temperatures, swift currents, and potential ice hazards in the colder months. However, some adventurous swimmers do take advantage of the river's warmer temperatures during the brief summer season, particularly in the slower-moving sections. These areas, often near tributaries or more sheltered spots, may provide an opportunity for a quick dip or wading. Despite these possibilities, the Tanana River is more popular for activities such as fishing, boating, and kayaking. Due to the cold water, swimmers should always exercise caution and be aware of the river's conditions before entering.