Black Bayou Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Black Bayou Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Black Bayou Reservoir today is 19.3°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 |
|---|---|---|---|
| OCT 26 | 22.3°C | 24.4°C | |
| OCT 27 | 21.8°C | 24.4°C | |
| OCT 28 | 21.5°C | 24.4°C | |
| OCT 29 | 21.2°C | 24.4°C | |
| OCT 30 | 20.3°C | 24.4°C | |
| OCT 31 | 20.6°C | 24.4°C | |
| NOV 1 | 20.4°C | 19.0°C | |
| NOV 2 | 19.6°C | 19.0°C | |
| NOV 3 | 19.0°C | 19.3°C | |
| NOV 4 | 19.0°C | 19.3°C | |
| NOV 5 | 19.0°C | 19.3°C | |
| NOV 6 | 19.0°C | 19.2°C | |
| NOV 7 | 19.0°C | 19.2°C | |
| NOV 8 | 19.0°C | 19.2°C | |
| NOV 9 | 19.0°C | 19.2°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 | 6°C | 11°C | 16°C |
| February | 7°C | 11°C | 15°C |
| March | 10°C | 15°C | 20°C |
| April | 13°C | 18°C | 23°C |
| May | 19°C | 24°C | 28°C |
| June | 22°C | 25°C | 29°C |
| July | 24°C | 28°C | 32°C |
| August | 24°C | 28°C | 33°C |
| September | 26°C | 29°C | 32°C |
| October | 22°C | 24°C | 27°C |
| November | 14°C | 19°C | 24°C |
| December | 9°C | 12°C | 15°C |
Black Bayou Reservoir: Water Temperature by Location
Black Bayou Reservoir: Weather Forecast
November 3
November 4
November 5
November 6
November 7
Location & Local Information
Black Bayou Reservoir in northern Louisiana follows the regional pattern of warm summers and mild winters, so surface water temperatures vary through the year. In summer months the reservoir often warms to the mid-70s to low 90s °F (about 24–33 °C), particularly in shallow, sun-exposed coves. Spring and fall are transitional, with surface temperatures commonly sitting between the low 60s and mid-70s °F (roughly 16–24 °C). During winter the water cools to the mid-40s to low 60s °F (about 7–16 °C), though deeper sections and shaded areas remain a few degrees cooler than surface measurements. These ranges are typical averages; actual readings depend on recent air temperatures, rainfall, and water depth.
Swimming at Black Bayou Reservoir is generally not promoted and is often restricted or discouraged by local authorities because the site is managed primarily for fishing, boating, and habitat purposes rather than as a public beach. Safety factors such as the absence of lifeguards, submerged structures, fluctuating water levels, boat traffic, and occasional water-quality issues (including localized algal blooms) are common reasons for limiting recreational swimming. Visitors should obey posted signs and check with the managing agency or local officials before entering the water; when allowed, swimming is usually at the swimmer’s own risk.