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Alster River
Alster River Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Alster River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Alster River
12.9°C
TODAY
12.9°C
YESTERDAY
9.8°C
A WEEK AGO
As of today, the minimum water temperature in the Alster River 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.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Alster River Over the Last 30 Days
Today the water temperature in Alster River is higher than the same day in previous years. The water temperature range here in April is from 8°C to 14°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.
The forecasted water temperature values for Alster are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 12 | 9.8°C | 10.6°C | |
| Apr 13 | 10.2°C | 10.6°C | |
| Apr 14 | 10.6°C | 10.6°C | |
| Apr 15 | 11.3°C | 10.6°C | |
| Apr 16 | 11.5°C | 10.6°C | |
| Apr 17 | 12.3°C | 10.6°C | |
| Apr 18 | 12.9°C | 10.6°C | |
| Apr 19 | 12.1°C | 10.6°C | |
| Apr 20 | 10.6°C | 12.8°C | |
| Apr 21 | 10.6°C | 12.7°C | |
| Apr 22 | 10.6°C | 12.6°C | |
| Apr 23 | 10.6°C | 12.5°C | |
| Apr 24 | 10.6°C | 12.4°C | |
| Apr 25 | 10.6°C | 12.3°C | |
| Apr 26 | 10.6°C | 12.2°C | |
| Apr 27 | 10.6°C | 12.1°C |
Water Temperature Ranges in Alster River by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 1°C | 3°C | 5°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 2°C | 4°C | 6°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 4°C | 6.5°C | 9°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10.6°C | 14°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13.9°C | 17°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20.1°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20.4°C | 25°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 20.4°C | 23°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17.7°C | 23°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 13.3°C | 16°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 5°C | 8°C | 11°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 1°C | 3.5°C | 6°C |
Monthly Water Temperature Histogram for Alster River
Water Temperature in Cities and Towns on Alster River
Alster River Weather
APRIL 19
7°C / 13°C
overcastrain: 23% | wind: 10 km/h
APRIL 20
4°C / 17°C
fograin: 3% | wind: 6 km/h
APRIL 21
7°C / 14°C
slight rainrain: 29% | wind: 9 km/h
APRIL 22
8°C / 15°C
overcastrain: 30% | wind: 12 km/h
APRIL 23
6°C / 16°C
overcastrain: 23% | wind: 15 km/h
Water Temperature in Alster River: General Trends and Swimming Opportunities
Source:
• location Henstedt-Ulzburg
• coordinates 53°45′49.1″N 10°0′17.4″E
• elevation 31 m (102 ft)
Mouth Elbe
• location Hamburg
• coordinates 53°32′40″N 9°59′0″E
• elevation 4 m (13 ft)
Length 56 km (35 mi)
The Alster River in Hamburg, Germany, is a popular spot for both locals and tourists, especially during the warmer months. The water temperature of the Alster varies depending on the season, with the summer months seeing temperatures rise to between 18°C and 22°C (64°F - 72°F). These temperatures make it suitable for swimming, especially in designated areas like the Alster Swimming Zone near the city center. The Alster is relatively clean compared to many other rivers in Germany, as it is fed by lakes and is part of a highly managed water system. As such, it is one of the more popular places for swimming, kayaking, and other water activities.
Swimming in the Alster is safe when undertaken in designated swimming areas, though the water temperature can be lower in the spring and fall, requiring a wetsuit for comfort. Since the river is surrounded by urban areas, it can sometimes be affected by pollution, but the local authorities regularly monitor water quality. The Alster is also home to several recreational spots and parks, making it an attractive place for swimmers to enjoy the natural beauty of Hamburg. However, the river’s currents can be strong in certain parts, so swimmers should remain cautious in areas with faster-moving water.
Geographical Location of Alster River
Nearby Rivers
Frequently Asked Questions About Alster River and its Water Temperatures
What is the current water temperature in Alster River?
The water temperature today in Alster River is 55°F (12.9°C).
What is the water temperature in Alster River during the summer months?
The average water temperature in Alster River during the summer months is typically between 69°F to 69°F (20°C to 20°C), and it can reach up to 77°F (25°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Alster River in May?
The average water temperature in Alster River in May ranges from 52°F to 63°F (11°C to 17°C).
What is the water temperature in Alster River in September?
The average water temperature in Alster River in September is typically between 59°F to 73°F (15°C to 23°C).
Where does Alster River flow?
Alster River flows through Germany (Schleswig-Holstein, Hamburg).
Is it possible to swim in the Alster River?
Yes, it is possible to swim in the Alster River in Hamburg, Germany. However, swimming is not recommended due to urban pollution and heavy boat traffic.