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Wawayanda Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Wawayanda Lake, trends, monthly ranges and the forecast for the coming days.

Monksville Reservoir, United States
Monksville Reservoir, United States © By Famartin, CC BY-SA 4.0

Current Water Temperature

22.2°C
Today
21.6°C
Yesterday
23.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Wawayanda Lake today is 22.2°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

From May 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2323.0°C20.1°C
JUN 2423.1°C20.1°C
JUN 2523.1°C20.1°C
JUN 2623.1°C20.1°C
JUN 2723.1°C20.1°C
JUN 2821.5°C20.1°C
JUN 2921.6°C20.1°C
JUN 3021.6°C20.1°C
JUL 125.5°C22.4°C
JUL 225.5°C22.5°C
JUL 325.5°C22.7°C
JUL 425.5°C22.9°C
JUL 525.5°C23.0°C
JUL 625.5°C23.2°C
JUL 725.5°C23.4°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
January0°C2°C5°C
February0°C1°C4°C
March0°C4°C8°C
April4°C9°C15°C
May11°C15°C20°C
June17°C20°C24°C
July21°C26°C30°C
August22°C26°C29°C
September19°C23°C27°C
October12°C16°C19°C
November7°C10°C12°C
December1°C4°C7°C

Wawayanda Lake: Water Temperature by Location

Wawayanda Lake: Weather Forecast

July 1

° / °
slight thunderstorm
rain: 9% | wind:

July 2

° / °
slight thunderstorm
rain: 9% | wind:

July 3

° / °
slight thunderstorm
rain: 15% | wind:

July 4

° / °
moderate drizzle
rain: 28% | wind:

July 5

° / °
light drizzle
rain: 28% | wind:

July 6

° / °
light drizzle
rain: 35% | wind:

Location & Local Information

Wawayanda Lake in northern New Jersey is a shallow, warm-water reservoir whose surface temperatures follow the region’s seasonal pattern. In winter the lake often chills to near freezing, roughly 33–40°F (1–4°C). Spring brings gradual warming, commonly 45–65°F (7–18°C) as stratification begins. Summer is when the lake is warmest: typical surface readings range from about 70–80°F (21–27°C), with shallow coves occasionally reaching the low 80s°F (28–30°C) on hot, calm days. In autumn the water cools again into the 50–65°F (10–18°C) band before the lake approaches winter conditions.

Swimming in Wawayanda Lake is generally possible during the warmer months, and people commonly swim from shore or small beaches and swim-friendly areas. Whether swimming is advisable depends on safety and water-quality conditions: some access points are unguarded, boat traffic can be present, and periodic advisories for algal blooms or bacteria may lead authorities to restrict swimming. For those planning to swim, it’s wise to use designated entry points, be aware that average summer temperatures are comfortable for recreational swimming, and heed posted signs or park updates about closures or hazards.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Wawayanda Lake?
Water Temperature in Wawayanda Lake today is 22.2°C.
What is the water temperature in Wawayanda Lake during the summer months?
The water temperature in Wawayanda Lake in summer fluctuates in the range of 17°C - 30°C.
Is it possible to swim in Wawayanda Lake and what are the possibilities for this?
Yes, it is possible to swim in Wawayanda Lake, New Jersey. The lake offers a designated swimming area and lifeguards are on duty during the summer season.