Grand Lake Matagamon — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Grand Lake Matagamon, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Grand Lake Matagamon today is 20.9°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 | 22.9°C | 21.6°C | |
| AUG 25 | 22.9°C | 21.6°C | |
| AUG 26 | 22.8°C | 21.6°C | |
| AUG 27 | 21.9°C | 21.6°C | |
| AUG 28 | 22.0°C | 21.6°C | |
| AUG 29 | 22.0°C | 21.6°C | |
| AUG 30 | 22.0°C | 21.6°C | |
| AUG 31 | 21.0°C | 21.6°C | |
| SEP 1 | 19.4°C | 20.8°C | |
| SEP 2 | 19.4°C | 20.8°C | |
| SEP 3 | 19.4°C | 20.7°C | |
| SEP 4 | 19.4°C | 20.6°C | |
| SEP 5 | 19.4°C | 20.5°C | |
| SEP 6 | 19.4°C | 20.5°C | |
| SEP 7 | 19.4°C | 20.4°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 | 1°C | 3°C | 6°C |
| March | 0°C | 2°C | 5°C |
| April | 0°C | 3°C | 6°C |
| May | 4°C | 8°C | 12°C |
| June | 10°C | 14°C | 18°C |
| July | 17°C | 22°C | 26°C |
| August | 18°C | 22°C | 26°C |
| September | 17°C | 19°C | 22°C |
| October | 6°C | 12°C | 17°C |
| November | 1°C | 6°C | 10°C |
| December | 0°C | 3°C | 6°C |
Grand Lake Matagamon: Water Temperature by Location
Grand Lake Matagamon: Weather Forecast
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September 5
Location & Local Information
Grand Lake Matagamon in northern Maine tends to be a cool, forest‑surrounded body of water whose temperatures reflect seasonal New England patterns. After ice‑out in spring, surface waters commonly range from about 35–60°F (2–15°C) as the lake slowly warms. In mid to late summer typical surface temperatures are roughly 60–74°F (15–23°C), with shallow, sheltered bays occasionally reaching the mid‑70s°F (24–26°C) on warm weeks. By early fall the lake cools back toward roughly 50–65°F (10–18°C) before freezing again in winter; beneath the ice the water will sit near the temperature of maximum density around 34–39°F (1–4°C).
Swimming at Grand Lake Matagamon is generally possible, but conditions differ from more developed public beaches. There are no widespread lifeguarded facilities, and access points are often rustic, so swimmers should be prepared for sudden depth changes, cold water temperatures, and limited shore support. Water that is below about 60°F (15–16°C) can induce cold‑shock and increase hypothermia risk, so summer is the most comfortable season for swimming, while spring and fall require caution and winter swimming is unsafe except for experienced, well‑equipped individuals. Always observe posted advisories and use common‑sense safety measures.