Santeetlah Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Santeetlah Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Santeetlah Lake today is 21.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 15 | 22.4°C | 24.0°C | |
| SEP 16 | 21.9°C | 24.0°C | |
| SEP 17 | 22.5°C | 24.0°C | |
| SEP 18 | 22.4°C | 24.0°C | |
| SEP 19 | 22.2°C | 24.0°C | |
| SEP 20 | 21.9°C | 24.0°C | |
| SEP 21 | 22.1°C | 24.0°C | |
| SEP 22 | 22.0°C | 24.0°C | |
| SEP 23 | 24.0°C | 21.8°C | |
| SEP 24 | 24.0°C | 21.9°C | |
| SEP 25 | 24.0°C | 22.0°C | |
| SEP 26 | 24.0°C | 22.2°C | |
| SEP 27 | 24.0°C | 22.3°C | |
| SEP 28 | 24.0°C | 22.4°C | |
| SEP 29 | 24.0°C | 22.5°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 | 3°C | 7°C | 11°C |
| February | 3°C | 7°C | 10°C |
| March | 5°C | 9°C | 14°C |
| April | 11°C | 16°C | 20°C |
| May | 16°C | 20°C | 24°C |
| June | 18°C | 22°C | 26°C |
| July | 23°C | 26°C | 29°C |
| August | 21°C | 24°C | 27°C |
| September | 20°C | 24°C | 28°C |
| October | 17°C | 21°C | 25°C |
| November | 11°C | 16°C | 20°C |
| December | 6°C | 9°C | 12°C |
Santeetlah Lake: Water Temperature by Location
Santeetlah Lake: Weather Forecast
September 23
September 24
September 25
September 26
September 27
Location & Local Information
Santeetlah Lake, a mountain reservoir in western North Carolina, typically shows pronounced seasonal variation in surface water temperature. In winter months the surface commonly falls into the mid-30s to mid-40s °F (about 2–7 °C). Spring warming drives temperatures into the mid-40s to mid-60s °F (roughly 7–18 °C) as the season progresses. Summer is when surface water is warmest, often reaching the low- to upper-70s °F (around 21–26 °C) on sunny days, though cooler pockets persist below the thermocline. By autumn the lake cools back toward the 50s and lower 60s °F (10–17 °C). These figures are typical surface ranges; deeper water remains much colder year-round, and rapid changes can occur with weather and wind.
Swimming at Santeetlah Lake is possible but primarily informal rather than organized around lifeguarded beaches. Many areas allow swimming, but there are few maintained public swim areas, and recreational users should be aware of hazards such as cold, deep water, sudden drop-offs, boat traffic and currents near dam structures. Because underwater temperatures and conditions can cause cold-water shock or make self-rescue difficult, swimmers are advised to treat the lake as a natural body of water with inherent risks and to follow posted rules, use flotation when appropriate, and avoid swimming near boat channels and the dam.