Big Whiteshell Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Big Whiteshell Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Big Whiteshell Lake today is 15.3°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 |
|---|---|---|---|
| SEP 14 | 17.7°C | 15.5°C | |
| SEP 15 | 16.8°C | 15.5°C | |
| SEP 16 | 16.7°C | 15.5°C | |
| SEP 17 | 16.2°C | 15.5°C | |
| SEP 18 | 16.0°C | 15.5°C | |
| SEP 19 | 15.8°C | 15.5°C | |
| SEP 20 | 15.0°C | 15.5°C | |
| SEP 22 | 15.5°C | 15.3°C | |
| SEP 23 | 15.5°C | 15.3°C | |
| SEP 24 | 15.5°C | 15.3°C | |
| SEP 25 | 15.5°C | 15.3°C | |
| SEP 26 | 15.5°C | 15.4°C | |
| SEP 27 | 15.5°C | 15.4°C | |
| SEP 28 | 15.5°C | 15.4°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 | 4°C |
| February | 0°C | 3°C | 4°C |
| March | 0°C | 3°C | 5°C |
| April | 0°C | 5°C | 11°C |
| May | 1°C | 8°C | 15°C |
| June | 7°C | 14°C | 21°C |
| July | 15°C | 20°C | 25°C |
| August | 17°C | 21°C | 24°C |
| September | 11°C | 16°C | 20°C |
| October | 7°C | 12°C | 16°C |
| November | 1°C | 6°C | 11°C |
| December | 0°C | 3°C | 6°C |
Big Whiteshell Lake: Water Temperature by Location
Big Whiteshell Lake: Weather Forecast
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Big Whiteshell Lake, located within Whiteshell Provincial Park in southeastern Manitoba, is a large and scenic freshwater lake surrounded by forest, rocky shorelines, and sandy beaches. Its water temperature reflects the region’s continental climate and moderate elevation. In early spring, soon after the ice melts in May, the lake remains quite cold, with surface temperatures around 39–45°F (4–7°C). By late May and June, the water warms gradually to about 52–59°F (11–15°C). During midsummer, from July through August, the surface temperature in shallow bays and beach areas often reaches 66–72°F (19–22°C), while deeper parts of the lake stay cooler, closer to 59–63°F (15–17°C). By late September, as autumn begins, the lake cools again below 55°F (13°C).
Swimming in Big Whiteshell Lake is allowed and widely enjoyed, especially during the summer months when the water becomes comfortably warm. The lake’s clear, clean water and designated beaches within the provincial park make it an ideal spot for families and recreational swimmers. While the water can feel brisk in early summer, it becomes pleasant by July and August, offering excellent conditions for swimming, kayaking, and other water activities. The best time for swimming is between late June and early September, when both air and water temperatures are at their warmest.