Sea Gull Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sea Gull Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sea Gull Lake today is 15.9°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 | 18.8°C | 16.8°C | |
| SEP 15 | 18.0°C | 16.8°C | |
| SEP 16 | 17.9°C | 16.8°C | |
| SEP 17 | 17.1°C | 16.8°C | |
| SEP 18 | 17.3°C | 16.8°C | |
| SEP 19 | 17.4°C | 16.8°C | |
| SEP 20 | 15.9°C | 16.8°C | |
| SEP 21 | 15.9°C | 16.8°C | |
| SEP 22 | 16.8°C | 15.9°C | |
| SEP 23 | 16.8°C | 16.0°C | |
| SEP 24 | 16.8°C | 16.0°C | |
| SEP 25 | 16.8°C | 16.1°C | |
| SEP 26 | 16.8°C | 16.1°C | |
| SEP 27 | 16.8°C | 16.2°C | |
| SEP 28 | 16.8°C | 16.2°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 | 2°C | 5°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 1°C | 3°C |
| April | 1°C | 4°C | 6°C |
| May | 4°C | 10°C | 16°C |
| June | 10°C | 16°C | 21°C |
| July | 18°C | 23°C | 27°C |
| August | 16°C | 23°C | 30°C |
| September | 14°C | 17°C | 20°C |
| October | 9°C | 13°C | 16°C |
| November | 3°C | 7°C | 11°C |
| December | 0°C | 3°C | 6°C |
Sea Gull Lake: Water Temperature by Location
Sea Gull Lake: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
Sea Gull Lake in northeastern Minnesota follows the seasonal temperature pattern typical of lakes in the region. Surface temperatures during summer commonly climb into the mid-60s to mid-70s °F (about 18–24 °C) at their warmest in July and August. In spring, after ice-out, water is much cooler, often ranging from roughly 40–60 °F (4–15 °C) as it gradually warms. Through September and into October the lake cools again, with fall surface readings commonly falling into the 45–60 °F range (7–16 °C). In winter the lake freezes or holds near the freezing point, with surface water at or below 32 °F (0 °C) and substantial ice cover common for months depending on the year.
Swimming on Sea Gull Lake is generally allowed when conditions permit, meaning during the ice-free months and where public access or private shoreline permits it. Many visitors and local residents swim in summer because temperatures are comfortable for recreational use; however, cold-water shock is a hazard earlier and later in the season when temperatures remain near 40–60 °F (4–15 °C). Water-quality advisories, designated beaches or resort rules can affect whether swimming is advisable at a given time, and ice and thin ice in winter make swimming unsafe until the ice fully melts and water temperatures rise.