Lake Jesup — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Jesup, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Jesup today is 29.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| JUN 23 | 25.8°C | 28.0°C | |
| JUN 24 | 25.8°C | 28.0°C | |
| JUN 25 | 25.8°C | 28.0°C | |
| JUN 26 | 30.1°C | 28.0°C | |
| JUN 27 | 29.7°C | 28.0°C | |
| JUN 28 | 29.7°C | 28.0°C | |
| JUN 29 | 29.8°C | 28.0°C | |
| JUN 30 | 29.7°C | 28.0°C | |
| JUL 1 | 26.7°C | 29.6°C | |
| JUL 2 | 26.7°C | 29.5°C | |
| JUL 3 | 26.7°C | 29.3°C | |
| JUL 4 | 26.7°C | 29.2°C | |
| JUL 5 | 26.7°C | 29.0°C | |
| JUL 6 | 26.7°C | 28.9°C | |
| JUL 7 | 26.7°C | 28.7°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 | 18°C | 21°C | 25°C |
| February | 14°C | 19°C | 25°C |
| March | 18°C | 21°C | 25°C |
| April | 20°C | 24°C | 27°C |
| May | 22°C | 26°C | 30°C |
| June | 25°C | 28°C | 31°C |
| July | 24°C | 27°C | 29°C |
| August | 25°C | 28°C | 30°C |
| September | 23°C | 26°C | 28°C |
| October | 23°C | 25°C | 27°C |
| November | 21°C | 24°C | 26°C |
| December | 17°C | 22°C | 25°C |
Lake Jesup: Water Temperature by Location
Lake Jesup: Weather Forecast
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Location & Local Information
Lake Jesup’s surface water temperatures follow a typical central-Florida pattern, warming through spring and peaking in summer before cooling again in fall and winter. In general, winter surface temperatures commonly range from about 55–70°F (13–21°C), spring sees roughly 65–80°F (18–27°C), summer often reaches 75–90°F (24–32°C) with warmer surface pockets on calm days, and autumn tends to return to the mid 60s–low 80s°F (18–28°C). Because the lake is fairly shallow and backed by wetlands, it responds quickly to air temperature changes, so daily and short-term variations are common.
Swimming at Lake Jesup is not actively promoted and there are no maintained public beaches; while technically people can enter the water, organized swimming is generally discouraged. Reasons include murky water and abundant aquatic vegetation that can tangle swimmers, potential water-quality fluctuations after runoff, submerged hazards and limited visibility, and the presence of wildlife such as alligators in this natural system. For those considering a dip, the warmest, most comfortable conditions are usually in summer, but safety and local advisories should guide decisions—many locals prefer public pools or designated beach areas that offer lifeguards and clearer water.