Douglas Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Douglas Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Douglas Lake today is 17.9°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 | 19.6°C | 21.5°C | |
| SEP 15 | 19.1°C | 21.5°C | |
| SEP 16 | 18.9°C | 21.5°C | |
| SEP 17 | 18.2°C | 21.5°C | |
| SEP 18 | 18.4°C | 21.5°C | |
| SEP 19 | 18.2°C | 21.5°C | |
| SEP 20 | 18.1°C | 21.5°C | |
| SEP 21 | 17.9°C | 21.5°C | |
| SEP 22 | 21.5°C | 18.1°C | |
| SEP 23 | 21.5°C | 18.3°C | |
| SEP 24 | 21.5°C | 18.4°C | |
| SEP 25 | 21.5°C | 18.6°C | |
| SEP 26 | 21.5°C | 18.8°C | |
| SEP 27 | 21.5°C | 19.0°C | |
| SEP 28 | 21.5°C | 19.2°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 | 6°C |
| February | 0°C | 2°C | 5°C |
| March | 1°C | 3°C | 6°C |
| April | 2°C | 6°C | 10°C |
| May | 3°C | 10°C | 17°C |
| June | 11°C | 18°C | 24°C |
| July | 17°C | 22°C | 27°C |
| August | 18°C | 23°C | 28°C |
| September | 16°C | 22°C | 27°C |
| October | 10°C | 15°C | 19°C |
| November | 3°C | 8°C | 11°C |
| December | 0°C | 3°C | 7°C |
Douglas Lake: Water Temperature by Location
Douglas Lake: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
Douglas Lake in northern Michigan experiences a clear seasonal cycle in water temperature. In winter months the surface typically hovers near freezing, roughly 32–40°F (0–4°C) beneath ice. Spring warming brings temperatures up to about 40–60°F (4–16°C) as the lake stratifies. Peak summer conditions from June through August commonly yield comfortable swimming temperatures in the range of about 68–78°F (20–26°C), with occasional warm spells pushing surface readings toward 80°F (27°C). In fall the lake cools again to roughly 50–68°F (10–20°C) as air temperatures drop and mixing returns.
Swimming is generally allowed at Douglas Lake where private and public shorelines provide access, and many residents and visitors swim during the warmer months. Comfortable summer temperatures make recreational swimming popular, while cooler spring and fall water increases the risk of cold shock and reduces endurance. In winter the lake is typically iced over, so regular open-water swimming is not advisable except for experienced, well-prepared ice swimmers taking proper safety precautions. As with any inland lake, local water-quality advisories, underwater vegetation, boat traffic, and posted rules should be checked before entering the water.