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

75.4

°F

August 26, 14:56

Trend:

stable

Yesterday:

75.2°F

Tomorrow:

75.3°F

Sunrise:

06:24

Sunset:

19:47

Day Length:

13 h. 23 min.

Istanbul in September

Minimum:

46.7°F

Average:

51.0°F

Maximum:

53.5°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 75.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 76.8°F on 2022, while the historical minimum was 74.7°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 75.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Istanbul

Date Current Year

actual* / forecast**

last year 10 years average
Aug 12 74.5°F 75.4°F 75.4°F
Aug 13 74.8°F 75.1°F 75.6°F
Aug 14 74.4°F 74.4°F 75.1°F
Aug 15 72.9°F 74.7°F 75.0°F
Aug 16 72.7°F 73.4°F 74.8°F
Aug 17 72.5°F 72.0°F 74.8°F
Aug 18 72.9°F 71.6°F 74.7°F
Aug 19 74.3°F 72.7°F 74.9°F
Aug 20 74.7°F 74.0°F 74.9°F
Aug 21 75.1°F 74.2°F 74.9°F
Aug 22 75.5°F 74.6°F 75.2°F
Aug 23 74.8°F 76.0°F 75.5°F
Aug 24 75.2°F 75.8°F 75.5°F
Aug 25 75.2°F 75.4°F 75.4°F
Aug 26 75.4°F 74.9°F 75.4°F
Aug 27 75.3°F 74.2°F 75.4°F
Aug 28 75.3°F 72.7°F 75.3°F
Aug 29 75.4°F 72.0°F 75.4°F
Aug 30 75.5°F 72.2°F 75.6°F
Aug 31 75.4°F 71.4°F 75.5°F
Sep 1 75.4°F 74.1°F 75.5°F
Sep 2 75.6°F 75.3°F 75.7°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 50.7°F in Winter, 53.3°F in Spring, 73.1°F in Summer, and 67.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Üsküdar 74.9°F 3mi
Esenler 75.9°F 4mi
Bahçelievler 75.9°F 5mi
Bağcılar 75.9°F 5mi
Sultangazi 76.0°F 8mi
Umraniye 75.1°F 9mi
Maltepe 75.7°F 12mi
Yalova 76.3°F 30mi
Bursa 77.3°F 57mi

* current water temperature in this city

** straight line distance from Istanbul