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Heybeliada
Water Temperature in the Sea of Marmara in Heybeliada, Turkey: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Heybeliada in Turkey, 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 Heybeliada
8.9°C
TODAY
8.9°C
YESTERDAY
9.5°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Sea of Marmara in Heybeliada is 8.9°C. This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing 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.
Water Temperature Chart for Sea of Marmara in Heybeliada Over the Last 30 Days
The water temperature in Heybeliada 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 Heybeliada will remain nearly unchanged in the coming days, its value will be 8.8°C.
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 Turkey to enhance accuracy.
Water temperature data for Heybeliada 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
| Date | Current | Average | Forecast |
|---|---|---|---|
| Feb 15 | 9.5°C | 8.8°C | |
| Feb 16 | 9.3°C | 8.8°C | |
| Feb 17 | 9.3°C | 8.0°C | |
| Feb 18 | 8.8°C | 8.5°C | |
| Feb 19 | 8.7°C | 8.3°C | |
| Feb 20 | 9.0°C | 9.5°C | |
| Feb 21 | 8.9°C | 8.8°C | |
| Feb 22 | 8.9°C | 8.0°C | |
| Feb 23 | 8.0°C | 8.8°C | |
| Feb 24 | 8.5°C | 8.8°C | |
| Feb 25 | 9.0°C | 8.8°C | |
| Feb 26 | 8.8°C | 8.8°C | |
| Feb 27 | 8.8°C | 8.8°C | |
| Feb 28 | 9.0°C | 8.8°C | |
| Mar 1 | 8.5°C | 8.8°C | |
| Mar 2 | 9.0°C | 8.8°C |
Sea Temperature in Heybeliada Throughout the Year
Throughout the year, the sea temperature in Heybeliada exceeds 77°F (25°C) for 39 days, exceeds 72°F (22°C) for 93 days, and exceeds 64°F (18°C) for 143 days.
Below is the annual chart of sea temperature changes in the Sea of Marmara in Heybeliada.
January
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 10°C | 13°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 6°C | 8.5°C | 11°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 9°C | 11°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 11.5°C | 16°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 16°C | 20°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 21°C | 25°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 21°C | 25°C | 29°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 22°C | 25°C | 28°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 20°C | 23°C | 26°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 18.5°C | 23°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 15°C | 20°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 11.5°C | 16°C |
Monthly Water Temperature Histogram for Sea of Marmara in Heybeliada
You can explore detailed data on how the water temperature in Heybeliada varies each month:
What Beaches Are There In and Around Heybeliada?
Degirmenburnu Plaji
Degirmenburnu Plaji is a 2-stars pebble beach, is located directly in Heybeliada. There are restrooms. There are cafés.
Asaf Aile Plaji
Asaf Aile Plaji is a 1-stars sandy beach, is located directly in Heybeliada.
Ada Beach Club
Ada Beach Club is a 2-stars sandy beach, is located directly in Heybeliada. There are restrooms. There are cafés.
Aqua Green Beach
Aqua Green Beach is a 3-stars sandy beach, is located directly in Heybeliada. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Aque Green Beach Heybeliada
Aque Green Beach Heybeliada is a 1-stars sandy beach, is located directly in Heybeliada.
Yorukali Tesisleri Buyukada Hotel Beach
Yorukali Tesisleri Buyukada Hotel Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Heybeliada. There is parking. There are restrooms. There are cafés.
Blue Beach Buyukada
Blue Beach Buyukada is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Heybeliada. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Alman Plaji
Alman Plaji is a 2-stars pebble beach, located in a 2 km (1 miles) radius of Heybeliada. There is parking. There are cafés.
Burgazada Halk Plaji
Burgazada Halk Plaji is a 1-stars pebble beach, located in a 2 km (1 miles) radius of Heybeliada. There are cafés.
Nizam Plaji
Nizam Plaji is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Heybeliada. There are cafés.
Camakya Aile Plaji
Camakya Aile Plaji is a 2-stars pebble beach, located in a 3 km (2 miles) radius of Heybeliada. There are cafés. Snorkeling is possible.
Mimi Koy
Mimi Koy is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Heybeliada. There are restrooms. There are cafés. Snorkeling is possible.
Tarzz Beach Club
Tarzz Beach Club is a 2-stars sandy beach, located in a 3 km (2 miles) radius of Heybeliada. There are cafés.
Madam Marta Koyu
Madam Marta Koyu is a 1-stars pebble beach, located in a 3 km (2 miles) radius of Heybeliada. There are cafés.
Marina Plaji
Marina Plaji is a 1-stars sandy beach, located in a 3 km (2 miles) radius of Heybeliada.
Halik Koyu Aile Plaji
Halik Koyu Aile Plaji is a 1-stars pebble beach, located in a 4 km (2 miles) radius of Heybeliada.
Viranbag Plaji
Viranbag Plaji is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Heybeliada.
Aya Nicola Beach
Aya Nicola Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Heybeliada. There are cafés.
Kalpazankaya Plaji
Kalpazankaya Plaji is a 2-stars pebble beach, located in a 4 km (2 miles) radius of Heybeliada. There are restrooms. There are cafés. Kalpazankaya Plaji is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Kartal Belediyesi Sosyal Tesisleri Halk Plaji
Kartal Belediyesi Sosyal Tesisleri Halk Plaji is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Heybeliada. There is parking. There are restrooms. There are cafés. Snorkeling is possible.
Heybeliada Weather
FEBRUARY 23
2°C / 4°C
broken clouds: 51-84%humidity: 57% | wind: 2 km/h
FEBRUARY 24
2°C / 5°C
few clouds: 11-25%humidity: 56% | wind: 2 km/h
FEBRUARY 25
3°C / 6°C
clear skyhumidity: 51% | wind: 1 km/h
FEBRUARY 26
5°C / 5°C
clear skyhumidity: 52% | wind: 2 km/h
Sea Temperature in the Sea of Marmara in Heybeliada: General Trends and Swimming Opportunities
Istanbul Province, Turkey, located in a coastal area, experiences a temperate oceanic climate characterized by warm, moderately dry summers and cool, wet winters. This region is typically influenced by sea breezes which help to moderate the temperature.
Heybeliada is located in Europe in the Northern Hemisphere at a latitude of 41 degrees, along the shores of the Sea of Marmara. Heybeliada lies within the Istanbul Province in Turkey.
The average annual daytime air temperature in Heybeliada is 19°C (66°F), with the average nighttime temperature being 11°C (52°F). The highest average daily temperature occurs in August, reaching 29°C (84°F), while the lowest is in January at 10°C (49°F). As for nighttime temperatures, the minimum average temperature of 3°C (37°F) is recorded in February, and the maximum is in August, reaching 20°C (68°F).
According to historical data, Heybeliada experiences 98 rainy days per year, which accounts for 27 percent of all days in the year. On average, there are 8 rainy days each month. The wettest month is December, with 12 rainy days and 109 mm (4.3 inches) of precipitation, while the driest month is August, which typically has 4 rainy days and only 28 mm (1.1 inches) of precipitation.
The average annual water temperature in Sea of Marmara in Heybeliada is 16°C (61°F). In February, the water reaches its lowest point of the year at 6°C (43°F), while in July, it peaks at 29°C (84°F). The months suitable for comfortable beach vacations and swimming in the Sea of Marmara are July, and August. During this period, the water temperature stays above 20°C (68°F) and can reach up to 29°C (84°F) on some days.
Geographical Location of Heybeliada
Nearby Cities
Frequently Asked Questions About Heybeliada and its Water Temperatures
What is the current sea temperature in Heybeliada?
The water temperature today in the Sea of Marmara in Heybeliada is 48°F (8.9°C).
In which months is the water temperature in Heybeliada comfortable for swimming?
The water temperature in the Sea of Marmara in Heybeliada is comfortable for swimming and beach vacations in July, and August.
What is the water temperature in Heybeliada during the winter?
The water temperature in the Sea of Marmara in Heybeliada during the winter ranges from 6°C to 16°C (43°F to 61°F).
What is the water temperature in Heybeliada during the spring?
The water temperature in the Sea of Marmara in Heybeliada during the spring ranges from 7°C to 20°C (45°F to 68°F).
What is the water temperature in Heybeliada during the summer?
The water temperature in the Sea of Marmara in Heybeliada during the summer ranges from 17°C to 29°C (63°F to 84°F).
What is the water temperature in Heybeliada during the fall?
The water temperature in the Sea of Marmara in Heybeliada during the fall ranges from 10°C to 26°C (50°F to 79°F).
Is it possible to swim in the sea in Heybeliada at any time of the year?
The Sea of Marmara in Heybeliada is quite cool, and swimming is only possible in June, July, August, September, and October when the water temperature reaches 21°C (70°F).
Is Heybeliada a popular tourist destination for beach vacations?
Heybeliada has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.
What sea temperatures can I expect in Heybeliada in the next month?
In March, the water temperature in the Sea of Marmara in Heybeliada will range between 45°F (7°C) and 52°F (11°C)