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Slack River

Slack River Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Slack 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 Slack River

11.7°C

TODAY

11.9°C

YESTERDAY

12.6°C

A WEEK AGO

As of today, the minimum water temperature in the Slack River ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.

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 Slack River Over the Last 30 Days

Today the water temperature in Slack River is higher than the same day in previous years. The water temperature range here in October is from 8°C to 14°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Slack 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
Oct 21	12.6°C	11.0°C
Oct 22	12.4°C	11.0°C
Oct 23	12.4°C	11.0°C
Oct 24	12.3°C	11.0°C
Oct 25	12.1°C	11.0°C
Oct 26	12.1°C	11.0°C
Oct 27	11.9°C	11.0°C
Oct 28	11.7°C	11.0°C
Oct 29		11.0°C	11.6°C
Oct 30		11.0°C	11.5°C
Oct 31		11.0°C	11.5°C
Nov 1		8.0°C	11.2°C
Nov 2		8.0°C	10.9°C
Nov 3		8.0°C	10.6°C
Nov 4		8.0°C	10.3°C
Nov 5		8.0°C	10.1°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Water Temperature Ranges in Slack River by Month

January

Minimum	Average	Maximum
4°C	6°C	8°C

February

Minimum	Average	Maximum
3°C	6°C	9°C

March

Minimum	Average	Maximum
4°C	7°C	10°C

April

Minimum	Average	Maximum
7°C	10.4°C	13°C

May

Minimum	Average	Maximum
10°C	12.6°C	16°C

June

Minimum	Average	Maximum
12°C	15°C	19°C

July

Minimum	Average	Maximum
14°C	16.6°C	22°C

August

Minimum	Average	Maximum
16°C	19°C	22°C

September

Minimum	Average	Maximum
12°C	14.7°C	20°C

October

Minimum	Average	Maximum
8°C	11°C	14°C

November

Minimum	Average	Maximum
5°C	8°C	11°C

December

Minimum	Average	Maximum
4°C	6°C	8°C

Monthly Water Temperature Histogram for Slack River

Known Beaches in the Area of Slack River?

Plage Dunes De La Slack

Plage Dunes De La Slack is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Slack. There is parking.

Plage D'Audresselles

Plage D'Audresselles is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Slack. There is parking. There are cafés. Plage D'Audresselles is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Plage De Wimereux

Plage De Wimereux is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Slack. There are lifeguards on the beach. There is parking. Plage De Wimereux is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Slack River Weather

OCTOBER 28

13°C / 15°C

slight rain

rain: 75% | wind: 28 km/h

OCTOBER 29

12°C / 14°C

slight rain showers

rain: 45% | wind: 21 km/h

OCTOBER 30

12°C / 16°C

slight rain showers

rain: 31% | wind: 26 km/h

OCTOBER 31

15°C / 16°C

slight rain

rain: 48% | wind: 29 km/h

NOVEMBER 1

14°C / 16°C

moderate rain showers

rain: 53% | wind: 37 km/h

Water Temperature in Slack River: General Trends and Swimming Opportunities

Source:
• location Pas-de-Calais
Mouth:
• location English Channel
• coordinates 50°48′18″N 1°36′5″E
Length 22 km (14 mi)

The Slack is a 22-kilometre-long (14 mi) coastal river in the Pas-de-Calais department, in northern France.

Geographical Location of Slack River

Nearby Rivers

Frequently Asked Questions About Slack River and its Water Temperatures

What is the current water temperature in Slack River?

The water temperature today in Slack River is 53°F (11.7°C).

What is the water temperature in Slack River during the summer months?

The average water temperature in Slack River during the summer months is typically between 59°F to 66°F (15°C to 19°C), and it can reach up to 72°F (22°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Slack River in May?

The average water temperature in Slack River in May ranges from 50°F to 61°F (10°C to 16°C).

What is the water temperature in Slack River in September?

The average water temperature in Slack River in September is typically between 54°F to 68°F (12°C to 20°C).

Where does Slack River flow?

Slack River flows through France (Hauts-de-France).