Great Central Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Great Central Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Great Central Lake today is 16°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 3 | 13.8°C | 13.5°C | |
| JUN 4 | 15.9°C | 13.5°C | |
| JUN 5 | 15.8°C | 13.5°C | |
| JUN 6 | 16.0°C | 13.5°C | |
| JUN 7 | 16.5°C | 13.5°C | |
| JUN 8 | 16.4°C | 13.5°C | |
| JUN 10 | 16.0°C | 13.5°C | |
| JUN 11 | 13.5°C | 15.9°C | |
| JUN 12 | 13.5°C | 15.8°C | |
| JUN 13 | 13.5°C | 15.6°C | |
| JUN 14 | 13.5°C | 15.5°C | |
| JUN 15 | 13.5°C | 15.4°C | |
| JUN 16 | 13.5°C | 15.3°C | |
| JUN 17 | 13.5°C | 15.1°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 | 7°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 4°C | 8°C |
| April | 0°C | 6°C | 12°C |
| May | 4°C | 10°C | 17°C |
| June | 7°C | 14°C | 18°C |
| July | 15°C | 18°C | 23°C |
| August | 17°C | 19°C | 24°C |
| September | 11°C | 16°C | 20°C |
| October | 7°C | 12°C | 16°C |
| November | 3°C | 6°C | 11°C |
| December | 0°C | 4°C | 8°C |
Great Central Lake: Water Temperature by Location
Great Central Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Great Central Lake on Vancouver Island, British Columbia, is an incredibly deep and long reservoir, reaching a maximum depth of 250 meters (820 feet). This depth contributes to generally cold water, though the surface warms up seasonally. In the peak summer months, particularly in August, the surface water temperature can reach a pleasant range for swimming, often peaking around 24∘C (75∘F), with average highs around 26∘C (78.8∘F). However, the winter brings considerable cooling, with temperatures dropping to the single digits Celsius, often reaching 4∘C to 10∘C (39∘F to 50∘F).
Swimming is widely permitted and popular at Great Central Lake, with several sources noting it offers a pleasant swimming experience, particularly in the warmer, shallow coves near the east end. The lake is used extensively for recreational pursuits including water skiing and boating, which confirms swimming is a common activity. However, there are no official lifeguarded beaches, and the vast majority of the shoreline is rugged and steep. Therefore, swimming is strictly at one's own risk, and caution is advised, especially due to the sudden, deep drop-offs typical of deep, glaciated lakes and the presence of motorboat traffic.