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Guissény

Water Temperature in the Celtic Sea in Guissény, France: Current and Forecast

On this page, you will find comprehensive information about the sea temperature in Guissény in France, 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 Guissény

55°F

TODAY

55°F

YESTERDAY

54°F

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Celtic Sea in Guissény is 12.5°F. 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 for Celtic Sea in Guissény Over the Last 30 Days

The water temperature in Guissény today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.

According to our forecast, the sea temperature in Guissény will remain nearly unchanged in the coming days, its value will be 55°F.

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 across France to enhance accuracy.

Water temperature data for Guissény and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.

Table of Daily Sea Temperature Data

DateCurrentAverageForecast
May 654°F54°F
May 755°F55°F
May 855°F55°F
May 954°F55°F
May 1055°F55°F
May 1154°F54°F
May 1255°F55°F
May 1354°F55°F
May 1454°F55°F
May 1555°F55°F
May 1654°F55°F
May 1755°F55°F
May 1855°F55°F
May 1954°F55°F
May 2055°F55°F
May 2156°F55°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Guissény Throughout the Year

Throughout the year, the sea temperature in Guissény never exceeds 64°F (18°C).

Below is the annual chart of sea temperature changes in the Celtic Sea in Guissény.

January

MinimumAverageMaximum
50°F53°F55°F

February

MinimumAverageMaximum
48°F51°F54°F

March

MinimumAverageMaximum
48°F51°F54°F

April

MinimumAverageMaximum
48°F52°F55°F

May

MinimumAverageMaximum
52°F55°F59°F

June

MinimumAverageMaximum
54°F58°F63°F

July

MinimumAverageMaximum
55°F60°F64°F

August

MinimumAverageMaximum
57°F62°F66°F

September

MinimumAverageMaximum
55°F60°F64°F

October

MinimumAverageMaximum
55°F59°F63°F

November

MinimumAverageMaximum
54°F57°F61°F

December

MinimumAverageMaximum
52°F55°F57°F

Monthly Water Temperature Histogram for Celtic Sea in Guissény

You can explore detailed data on how the water temperature in Guissény varies each month:

What Beaches Are There In and Around Guissény?

Garo Beach

Garo Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There is parking. There are cafés. Garo Beach 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.

Grande Beach - Le Scluz

Grande Beach - Le Scluz is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There is parking. There are cafés. Grande Beach - Le Scluz 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.

Petit Nice Cove

Petit Nice Cove is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There is parking. There are cafés. Petit Nice Cove 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.

Crapauds Beach

Crapauds Beach is a 5-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Crapauds Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Chardons Bleus Beach

Chardons Bleus Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Phare Beach

Phare Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Guissény. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Guissény Weather

MAY 14

54°F / 59°F
few clouds: 11-25%

humidity: 80% | wind: 4 mph

MAY 15

50°F / 59°F
clear sky

humidity: 79% | wind: 3 mph

MAY 16

50°F / 61°F
clear sky

humidity: 80% | wind: 3 mph

MAY 17

52°F / 52°F
clear sky

humidity: 90% | wind: 3 mph

Brittany, FranceBrittany, FranceBrittany, France

Sea Temperature in the Celtic Sea in Guissény: General Trends and Swimming Opportunities

Original name
Guissény
The Local Time
08:10 PM
Time Zone
UTC+2
Sunrise
06:39 AM
Sunset
09:48 PM
Length of the day
15 h 9 m

Brittany, France has a temperate maritime climate characterized by mild summers and cool winters. The coastal region often experiences abundant rainfall throughout the year, coupled with ample sunshine, and is frequently subjected to the cooling sea breezes.

Guissény is located in Europe in the Northern Hemisphere at a latitude of 49 degrees, along the shores of the Celtic Sea. Guissény lies within the Brittany in France.

The average annual daytime air temperature in Guissény is 16°C (61°F), with the average nighttime temperature being 9°C (48°F). The highest average daily temperature occurs in August, reaching 22°C (72°F), while the lowest is in January at 10°C (49°F). As for nighttime temperatures, the minimum average temperature of 5°C (40°F) is recorded in February, and the maximum is in July, reaching 14°C (58°F).

According to historical data, Guissény experiences 136 rainy days per year, which accounts for 37 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is November, with 15 rainy days and 123 mm (4.8 inches) of precipitation, while the driest month is July, which typically has 8 rainy days and only 58 mm (2.3 inches) of precipitation.

The average annual water temperature in Celtic Sea in Guissény is 13°C (55°F). In February, the water reaches its lowest point of the year at 9°C (48°F), while in August, it peaks at 19°C (66°F). In Guissény, the water temperature in the Celtic Sea never consistently reaches a comfortable level for swimming in any month.

Geographical Location of Guissény

Frequently Asked Questions About Guissény and its Water Temperatures

What is the current sea temperature in Guissény?

The water temperature today in the Celtic Sea in Guissény is 55°F (12.5°C).

In which months is the water temperature in Guissény comfortable for swimming?

It cannot be guaranteed that the water temperature in Guissény will be comfortable for swimming in any month of the year.

What is the water temperature in Guissény during the winter?

The water temperature in the Celtic Sea in Guissény during the winter ranges from 9°C to 14°C (48°F to 57°F).

What is the water temperature in Guissény during the spring?

The water temperature in the Celtic Sea in Guissény during the spring ranges from 9°C to 15°C (48°F to 59°F).

What is the water temperature in Guissény during the summer?

The water temperature in the Celtic Sea in Guissény during the summer ranges from 12°C to 19°C (54°F to 66°F).

What is the water temperature in Guissény during the fall?

The water temperature in the Celtic Sea in Guissény during the fall ranges from 12°C to 18°C (54°F to 64°F).

Is it possible to swim in the sea in Guissény at any time of the year?

In Guissény, the Celtic Sea is quite cold, and swimming is almost impossible as the water temperature never reaches 21°C (70°F).

What sea temperatures can I expect in Guissény in the next month?

In June, the water temperature in the Celtic Sea in Guissény will range between 54°F (12°C) and 63°F (17°C)