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Zwalm River — Current Water Temperature, Annual Trends and Forecast

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

Dender River, Belgium
Dender River, Belgium © w:Flickr, CC BY 2.0

Current Water Temperature

19.7°C
Today
20.2°C
Yesterday
20.0°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 the Zwalm River today is 19.7°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

From August 3 to September 3

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 2620.0°C22.0°C
AUG 2720.0°C22.0°C
AUG 2820.0°C22.0°C
AUG 2919.9°C22.0°C
AUG 3019.9°C22.0°C
AUG 3120.0°C22.0°C
SEP 120.2°C19.5°C
SEP 219.7°C19.5°C
SEP 319.5°C19.7°C
SEP 419.5°C19.7°C
SEP 519.5°C19.7°C
SEP 619.5°C19.7°C
SEP 719.5°C19.7°C
SEP 819.5°C19.6°C
SEP 919.5°C19.6°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
January3°C5°C7°C
February4°C7°C10°C
March7°C10°C13°C
April9°C13°C17°C
May12°C17°C21°C
June17°C20°C24°C
July20°C23°C28°C
August19°C22°C25°C
September15°C20°C24°C
October12°C15°C18°C
November6°C9°C12°C
December3°C5°C8°C

Zwalm River: Water Temperature by Location

Zwalm River: Weather Forecast

September 3

° / °
light drizzle
rain: 45% | wind:

September 4

° / °
slight rain
rain: 69% | wind:

September 5

° / °
overcast
rain: 24% | wind:

September 6

° / °
overcast
rain: 6% | wind:

September 7

° / °
overcast
rain: 27% | wind:

September 8

° / °
moderate drizzle
rain: 27% | wind:

Location & Local Information

The Zwalm is a river located in the Flanders region of Belgium, flowing through the provinces of East Flanders and the town of Zwalm. It is a tributary of the Scheldt River, with a total length of around 30 kilometers. The river’s water temperature fluctuates throughout the year, typically ranging from 4°C to 8°C (39°F to 46°F) in winter, and rising to 15°C to 22°C (59°F to 72°F) during the summer months. These temperatures make it comfortable for swimming, particularly in the summer when the river is warmer and the surrounding areas are more popular for outdoor activities.

Swimming in the Zwalm River is possible, though not widely practiced due to the absence of designated swimming areas or facilities. The water is relatively calm, making it suitable for leisurely activities like kayaking, canoeing, and fishing. However, water quality can vary depending on local agricultural runoff and rainfall, so it is important to check for water quality updates before swimming. The river’s natural setting provides a scenic backdrop for nature walks and outdoor relaxation, but due to the lack of swimming zones and potential hazards like strong currents or obstacles, swimmers should exercise caution.

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Frequently Asked Questions

What is the current water temperature in the Zwalm River?
Water Temperature in the Zwalm River today is 19.7°C.
What is the water temperature in the Zwalm River during the summer months?
The water temperature in the Zwalm River in summer fluctuates in the range of 17°C - 28°C.
Is it possible to swim in the Zwalm River?
Yes, it's possible to swim in the Zwalm River, though it is imperative to ensure local regulations and safety conditions are met before doing so.