Fish Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Fish Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Fish 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 |
|---|---|---|---|
| OCT 5 | 18.0°C | 16.0°C | |
| OCT 6 | 17.6°C | 16.0°C | |
| OCT 7 | 17.5°C | 16.0°C | |
| OCT 8 | 16.5°C | 16.0°C | |
| OCT 9 | 17.0°C | 16.0°C | |
| OCT 10 | 16.4°C | 16.0°C | |
| OCT 11 | 16.3°C | 16.0°C | |
| OCT 12 | 16.6°C | 16.0°C | |
| OCT 13 | 16.0°C | 15.9°C | |
| OCT 14 | 16.0°C | 15.9°C | |
| OCT 15 | 16.0°C | 15.9°C | |
| OCT 16 | 16.0°C | 15.9°C | |
| OCT 17 | 16.0°C | 15.9°C | |
| OCT 18 | 16.0°C | 15.9°C | |
| OCT 19 | 16.0°C | 15.9°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 | 4°C | 7°C |
| February | 0°C | 5°C | 9°C |
| March | 1°C | 6°C | 10°C |
| April | 6°C | 12°C | 18°C |
| May | 10°C | 15°C | 20°C |
| June | 15°C | 20°C | 25°C |
| July | 20°C | 25°C | 30°C |
| August | 23°C | 26°C | 29°C |
| September | 19°C | 23°C | 27°C |
| October | 11°C | 16°C | 21°C |
| November | 2°C | 7°C | 11°C |
| December | 0°C | 3°C | 6°C |
Fish Lake: Water Temperature by Location
Fish Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Fish Lake in Michigan typically follows the temperature patterns of shallow-to-moderate inland lakes in the region. Surface water in winter hovers near freezing, about 32–40°F (0–4°C) under ice or in late winter, while spring sees a steady rise into the 40–60°F (4–15°C) range as the lake mixes. In summer the warmest surface readings are often between roughly 68–78°F (20–26°C), with shallow bays sometimes reaching around 80°F (27°C) on hot, calm days. By fall the surface cools again to about 50–65°F (10–18°C). Deeper water remains colder year-round and thermoclines can form in summer, so temperatures drop quickly with depth; winter ice cover produces uniformly cold conditions.
Swimming is commonly allowed on Fish Lake at public access sites and private shorelines, because there is no single statewide prohibition on swimming in inland lakes; however access and rules vary locally. The lake’s summer surface temperatures are generally comfortable for recreation, but swimmers should be mindful of colder deep water, sudden temperature changes, potential algal blooms in warm months, and ice safety in winter. Local signage, public beach hours, and health advisories should be checked before entering the water to ensure conditions and access are appropriate.