All data are in degrees Fahrenheit

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Water temperature in Istanbul

Detailed information about the current water temperature in Istanbul. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Istanbul now

68.4

°F

June 23, 15:54

Trend:

stable

Yesterday:

69.5°F

Tomorrow:

68.6°F

Sunrise:

05:32

Sunset:

20:40

Day Length:

15 h. 8 min.

Istanbul in June

Minimum:

47.5°F

Average:

50.9°F

Maximum:

52.9°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 68.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.2°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.7°F on 2016, while the historical minimum was 69.5°F on 2021.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 69.1°F, with minimum temperature starting at 68.6°F, while the maximum might reach 69.6°F.

Daily water temperature in Istanbul

Date Current Year

actual* / forecast**

last year 10 years average
Jun 9 66.2°F 70.3°F 67.4°F
Jun 10 67.9°F 70.4°F 68.0°F
Jun 11 67.4°F 70.7°F 68.4°F
Jun 12 67.9°F 72.0°F 68.6°F
Jun 13 68.0°F 72.8°F 69.0°F
Jun 14 68.4°F 74.7°F 69.6°F
Jun 15 67.9°F 73.0°F 69.7°F
Jun 16 68.1°F 70.9°F 69.8°F
Jun 17 68.8°F 70.2°F 69.9°F
Jun 18 69.8°F 71.0°F 70.4°F
Jun 19 70.9°F 71.9°F 70.6°F
Jun 20 71.5°F 71.8°F 70.4°F
Jun 21 71.9°F 72.6°F 71.1°F
Jun 22 69.5°F 73.1°F 71.1°F
Jun 23 68.4°F 72.8°F 71.6°F
Jun 24 68.6°F 72.5°F 71.8°F
Jun 25 68.8°F 71.4°F 72.0°F
Jun 26 69.1°F 71.2°F 72.3°F
Jun 27 69.2°F 71.3°F 72.4°F
Jun 28 69.3°F 71.1°F 72.5°F
Jun 29 69.6°F 70.0°F 72.8°F
Jun 30 69.3°F 70.6°F 72.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Istanbul by month

In Istanbul, the months July through September offer comfortable swimming conditions, which amounts to 80 swimming days.
The warmest water in Istanbul was recorded on August 1, 2018, reaching a 79.6°F. While the coldest temperature occurred on February 21, 2017, dipping to 42.7°F. The average readings by season are 50.4°F in Winter, 53.3°F in Spring, 73.3°F in Summer, and 67.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Üsküdar 67.7°F 3mi
Esenler 69.0°F 4mi
Bahçelievler 69.0°F 5mi
Bağcılar 69.0°F 5mi
Sultangazi 69.9°F 8mi
Umraniye 67.7°F 9mi
Maltepe 69.2°F 12mi
Yalova 67.6°F 30mi
Bursa 70.0°F 57mi

* current water temperature in this city

** straight line distance from Istanbul