Crane Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Crane Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Crane Lake today is 20.6°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 |
|---|---|---|---|
| AUG 24 | 20.8°C | 23.5°C | |
| AUG 25 | 20.8°C | 23.5°C | |
| AUG 26 | 20.7°C | 23.5°C | |
| AUG 27 | 20.7°C | 23.5°C | |
| AUG 28 | 20.4°C | 23.5°C | |
| AUG 29 | 20.4°C | 23.5°C | |
| AUG 30 | 20.4°C | 23.5°C | |
| AUG 31 | 20.4°C | 23.5°C | |
| SEP 1 | 19.5°C | 20.5°C | |
| SEP 2 | 19.5°C | 20.5°C | |
| SEP 3 | 19.5°C | 20.4°C | |
| SEP 4 | 19.5°C | 20.4°C | |
| SEP 5 | 19.5°C | 20.3°C | |
| SEP 6 | 19.5°C | 20.3°C | |
| SEP 7 | 19.5°C | 20.2°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 | 4°C | 7°C |
| March | 0°C | 4°C | 8°C |
| April | 1°C | 6°C | 10°C |
| May | 2°C | 11°C | 19°C |
| June | 11°C | 19°C | 27°C |
| July | 17°C | 22°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 |
Crane Lake: Water Temperature by Location
Crane Lake: Weather Forecast
September 1
September 2
September 3
September 4
September 5
September 6
Location & Local Information
Crane Lake in northern Minnesota experiences a wide seasonal swing in surface water temperature. In summer months (June–August) the top layer commonly warms to roughly 65–75°F (18–24°C), and on very warm, calm days it can reach the upper 70s°F (about 25–26°C). Late spring (May) and early fall (September) typically see cooler surfaces in the 45–65°F (7–18°C) range, with temperatures falling into the 40–50°F (4–10°C) band by late fall. Through the winter the lake is usually ice-covered and liquid water beneath or near the ice stays close to freezing, roughly 32–39°F (0–4°C). Deeper water remains near the coldest temperatures year-round, often around 39°F (4°C), because of stratification.
Swimming in Crane Lake is generally possible during the open-water season when surface temperatures are comfortable, and many resorts and public access sites accommodate swimmers. However, swimming is effectively prohibited or impractical when the lake is ice-covered in winter; the near-freezing water and ice make it unsafe except for experienced ice swimmers with proper precautions. Even in summer, swimmers should be mindful of cold-water shock from sudden temperature changes, boat traffic, variable depths, and the absence of lifeguards at many locations. Local signs and facility rules should be observed for safety.