Sand Point Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sand Point Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sand Point Lake today is 17.4°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 2 | 13.0°C | 19.2°C | |
| JUN 3 | 13.2°C | 19.2°C | |
| JUN 4 | 13.3°C | 19.2°C | |
| JUN 5 | 13.3°C | 19.2°C | |
| JUN 6 | 15.9°C | 19.2°C | |
| JUN 7 | 16.4°C | 19.2°C | |
| JUN 8 | 17.5°C | 19.2°C | |
| JUN 10 | 19.2°C | 17.5°C | |
| JUN 11 | 19.2°C | 17.6°C | |
| JUN 12 | 19.2°C | 17.7°C | |
| JUN 13 | 19.2°C | 17.8°C | |
| JUN 14 | 19.2°C | 17.9°C | |
| JUN 15 | 19.2°C | 17.9°C | |
| JUN 16 | 19.2°C | 18.0°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 | 7°C |
| February | 0°C | 3°C | 7°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 6°C | 10°C |
| May | 2°C | 11°C | 19°C |
| June | 11°C | 19°C | 27°C |
| July | 19°C | 23°C | 27°C |
| August | 19°C | 24°C | 28°C |
| September | 16°C | 20°C | 23°C |
| October | 6°C | 11°C | 16°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 4°C | 8°C |
Sand Point Lake: Water Temperature by Location
Sand Point Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Sand Point Lake, on the Minnesota–Ontario border, experiences strong seasonal shifts in water temperature. In spring the surface water typically warms from near freezing to about 40–60°F (4–15°C) as ice melts and runoff cools the lake. In summer, surface temperatures commonly range from roughly 65–75°F (18–24°C) and can reach the upper 70s°F (25–26°C) in sheltered bays on very warm, calm days; deeper water remains noticeably cooler. By fall the surface usually cools back to around 45–60°F (7–15°C) as air temperatures drop, and in winter the lake freezes with near‑ice temperatures close to 32°F (0°C) or lower beneath the ice. Local conditions such as depth, wind, and sun exposure cause considerable variation across the lake.
Swimming is generally permitted and is a common summertime activity when surface temperatures are in the mid‑60s to mid‑70s°F (about 18–24°C), but water can feel chilly compared with ocean beaches. Cold water and sudden temperature gradients increase the risk of shock and hypothermia, so swimmers should be cautious and avoid long exposures in cooler water. In winter the frozen surface prevents ordinary swimming except for organized or experienced ice swimmers. Seasonal access points, local rules, and occasional water‑quality advisories can affect where and when swimming is advisable.