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Black Ernz River — Current Water Temperature, Annual Trends and Forecast

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

Black Ernz River, Luxembourg
Black Ernz River, Luxembourg © By Peter Huyghe

Current Water Temperature

12.1°C
Today
12.0°C
Yesterday
14.7°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 Black Ernz River today is 12.1°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 September 13 to October 14

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 714.7°C10.0°C
OCT 813.5°C10.0°C
OCT 913.4°C10.0°C
OCT 1014.2°C10.0°C
OCT 1112.9°C10.0°C
OCT 1211.9°C10.0°C
OCT 1312.0°C10.0°C
OCT 1412.1°C10.0°C
OCT 1510.0°C12.0°C
OCT 1610.0°C11.9°C
OCT 1710.0°C11.8°C
OCT 1810.0°C11.7°C
OCT 1910.0°C11.6°C
OCT 2010.0°C11.5°C
OCT 2110.0°C11.4°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
January2°C4°C6°C
February3°C4°C7°C
March3°C6°C9°C
April6°C10°C13°C
May10°C14°C19°C
June13°C18°C23°C
July15°C18°C23°C
August17°C20°C23°C
September12°C17°C21°C
October7°C10°C13°C
November3°C7°C10°C
December2°C4°C6°C

Black Ernz River: Water Temperature by Location

Black Ernz River: Weather Forecast

October 15

° / °
overcast
rain: 0% | wind:

October 16

° / °
overcast
rain: 37% | wind:

October 17

° / °
light drizzle
rain: 39% | wind:

October 18

° / °
light drizzle
rain: 16% | wind:

October 19

° / °
moderate drizzle
rain: 6% | wind:

Location & Local Information

Source:
• location Grünewald
Mouth:
• location Sauer, at Grundhof
Length 25 km (16 mi)

The Black Ernz River, located in the northeastern part of Luxembourg, is a picturesque watercourse that flows through the lush forests and charming landscapes of the region. The river is well-known for its crystal-clear waters and tranquil surroundings, making it a popular spot for outdoor activities such as hiking, fishing, and swimming. During the summer months, the water temperature in the Black Ernz River typically ranges from 15°C to 18°C (59°F to 64°F), which can feel refreshing for a swim, although it may be on the cooler side for some. The temperature can be a bit colder in early spring and late autumn, so it's important to be prepared for chilly conditions during those times.

Swimming in the Black Ernz River is allowed in certain areas, though it is recommended to check with local authorities or guidelines before entering the water, as some parts of the river may be difficult to access or have strong currents. The river's clear waters and scenic beauty make it an appealing location for those seeking a more natural, peaceful swimming experience. However, swimmers should also keep in mind the safety considerations of swimming in a river, including the possibility of hidden obstacles or currents that could pose a risk. It is always advisable to swim in designated areas and be mindful of the environment.

Nearby Rivers

Frequently Asked Questions

What is the current water temperature in the Black Ernz River?
Water Temperature in the Black Ernz River today is 12.1°C.
What is the water temperature in the Black Ernz River during the summer months?
The water temperature in the Black Ernz River in summer fluctuates in the range of 13°C - 23°C.
Is it possible to swim in the Black Ernz River?
Yes, it's possible to swim in the Black Ernz River. However, safety and water conditions should always be considered prior to swimming.