New Wawayanda Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in New Wawayanda Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in New Wawayanda Lake today is 21.4°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 |
|---|---|---|---|
| SEP 14 | 21.3°C | 23.5°C | |
| SEP 15 | 21.9°C | 23.5°C | |
| SEP 16 | 21.7°C | 23.5°C | |
| SEP 17 | 20.0°C | 23.5°C | |
| SEP 18 | 20.3°C | 23.5°C | |
| SEP 19 | 20.5°C | 23.5°C | |
| SEP 20 | 21.8°C | 23.5°C | |
| SEP 21 | 21.4°C | 23.5°C | |
| SEP 22 | 23.5°C | 21.5°C | |
| SEP 23 | 23.5°C | 21.6°C | |
| SEP 24 | 23.5°C | 21.7°C | |
| SEP 25 | 23.5°C | 21.8°C | |
| SEP 26 | 23.5°C | 21.9°C | |
| SEP 27 | 23.5°C | 22.0°C | |
| SEP 28 | 23.5°C | 22.1°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 | 0°C | 2°C | 5°C |
| February | 0°C | 1°C | 4°C |
| March | 0°C | 3°C | 7°C |
| April | 4°C | 10°C | 17°C |
| May | 11°C | 16°C | 21°C |
| June | 17°C | 21°C | 25°C |
| July | 21°C | 26°C | 30°C |
| August | 22°C | 26°C | 29°C |
| September | 20°C | 24°C | 27°C |
| October | 12°C | 16°C | 20°C |
| November | 6°C | 10°C | 12°C |
| December | 0°C | 4°C | 7°C |
New Wawayanda Lake: Water Temperature by Location
New Wawayanda Lake: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
New Wawayanda Lake experiences a typical four-season temperature cycle for a small northern New Jersey lake. In spring, surface water usually warms from roughly 40–65°F (4–18°C) as air temperatures rise and ice (when present) melts. Summer surface temperatures commonly range from about 70–80°F (21–27°C), with the warmest weeks occasionally pushing into the low 80s°F (27–28°C). Fall sees a steady cooling back into the 50–65°F (10–18°C) range, and in winter the lake often approaches freezing with surface values near 32–40°F (0–4°C). Deeper waters remain noticeably cooler year-round; even in summer thermocline effects keep bottom temperatures closer to 40–55°F (4–13°C), which can be a shock for swimmers who dive below the warm surface layer.
Swimming at New Wawayanda Lake is possible during the warmer months but depends on ownership, local rules, and water-quality or safety advisories. Public or community-designated swimming areas are typically open in summer when surface temperatures are comfortable, lifeguards are provided, and routine testing shows acceptable conditions. Conversely, swimming is not advisable when temperatures are low, during algal blooms, or when authorities post warnings about bacteria or unsafe conditions. Cold, deep water also poses hypothermia risks even on warm days, so following posted regulations and checking current advisories is important before entering the water.