Okamanpeedan Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Okamanpeedan Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Okamanpeedan Lake today is 18.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 16 | 19.3°C | 20.5°C | |
| SEP 17 | 19.2°C | 20.5°C | |
| SEP 18 | 18.5°C | 20.5°C | |
| SEP 19 | 18.8°C | 20.5°C | |
| SEP 20 | 18.8°C | 20.5°C | |
| SEP 21 | 18.3°C | 20.5°C | |
| SEP 22 | 18.5°C | 20.5°C | |
| SEP 24 | 20.5°C | 18.4°C | |
| SEP 25 | 20.5°C | 18.5°C | |
| SEP 26 | 20.5°C | 18.6°C | |
| SEP 27 | 20.5°C | 18.7°C | |
| SEP 28 | 20.5°C | 18.9°C | |
| SEP 29 | 20.5°C | 19.0°C | |
| SEP 30 | 20.5°C | 19.1°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 | 1°C | 7°C | 12°C |
| February | 1°C | 8°C | 15°C |
| March | 2°C | 10°C | 17°C |
| April | 5°C | 13°C | 20°C |
| May | 12°C | 18°C | 24°C |
| June | 17°C | 21°C | 24°C |
| July | 17°C | 23°C | 29°C |
| August | 22°C | 25°C | 29°C |
| September | 18°C | 21°C | 23°C |
| October | 5°C | 13°C | 20°C |
| November | 4°C | 8°C | 12°C |
| December | 2°C | 7°C | 11°C |
Okamanpeedan Lake: Water Temperature by Location
Okamanpeedan Lake: Weather Forecast
September 24
September 25
September 26
September 27
Location & Local Information
Lake Okamanpeedan’s surface water temperatures follow the typical seasonal pattern of shallow Midwestern lakes. In winter the lake is at or just above freezing, around 32°F (0°C) when ice is present and can rise into the low 40s°F (about 4–6°C) in late winter or early spring. During spring the surface usually warms through the 40s and 50s°F (about 4–15°C) as air temperatures climb, and by summer typical daytime surface readings are often in the 70s to mid‑80s°F (roughly 21–29°C), with occasional heat spells pushing temperatures into the upper 80s°F (around 30–31°C) in shallow areas. In autumn the lake cools back through the 50s and 40s°F (10–5°C) before refreezing. Temperature can vary with depth, wind, and recent weather, so local measurements will show short‑term fluctuations.
Swimming at Okamanpeedan is generally allowed in open‑water months in areas designated or maintained for recreational use, but access and safety depend on local management and conditions. Lifeguards are not typically provided, and authorities may close or advise against swimming when water quality problems (such as algal blooms), hazardous currents from boats, or ice cover present risks. For safe swimming, visitors should follow posted notices from the managing county or park agency and avoid entering very cold or visibly contaminated water.