Lake Winnipeg — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Winnipeg, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Winnipeg today is 14.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 | 16.5°C | 15.9°C | |
| SEP 15 | 16.1°C | 15.9°C | |
| SEP 16 | 16.3°C | 15.9°C | |
| SEP 17 | 15.4°C | 15.9°C | |
| SEP 18 | 15.0°C | 15.9°C | |
| SEP 19 | 14.9°C | 15.9°C | |
| SEP 20 | 14.7°C | 15.9°C | |
| SEP 22 | 15.9°C | 14.6°C | |
| SEP 23 | 15.9°C | 14.6°C | |
| SEP 24 | 15.9°C | 14.7°C | |
| SEP 25 | 15.9°C | 14.8°C | |
| SEP 26 | 15.9°C | 14.9°C | |
| SEP 27 | 15.9°C | 14.9°C | |
| SEP 28 | 15.9°C | 15.0°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 | 21°C |
| October | 7°C | 12°C | 16°C |
| November | 2°C | 7°C | 11°C |
| December | 0°C | 3°C | 6°C |
Lake Winnipeg: Water Temperature by Location
Lake Winnipeg: Weather Forecast
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lake Winnipeg, located in central Manitoba, is one of the largest freshwater lakes in Canada and plays a key role in the province’s climate and recreation. Because of its northern latitude and large surface area, the lake’s water warms slowly each year. In early spring, after the ice melts in May, temperatures are typically around 37–43°F (3–6°C). By late May and June, surface waters rise to about 50–59°F (10–15°C), becoming more comfortable for boating but still cold for swimming. During midsummer, from July through August, the shallow southern basin can reach 66–72°F (19–22°C), while the deeper northern areas remain cooler, averaging 59–64°F (15–18°C). As autumn approaches, the temperature drops again below 55°F (13°C) by late September.
Swimming in Lake Winnipeg is allowed and widely enjoyed, particularly at popular beaches such as Grand Beach, Victoria Beach, and Winnipeg Beach on the southern shore. These areas warm up faster and have sandy bottoms that create pleasant swimming conditions in summer. However, the lake’s large size means temperatures can vary, and deeper sections stay brisk even in July. The best swimming conditions occur between late June and early September, when both the air and surface water are warmest, offering comfortable recreation and scenic shoreline experiences.