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

74.1

°F

August 11, 13:02

Trend:

stable

Yesterday:

73.9°F

Tomorrow:

73.8°F

Sunrise:

06:09

Sunset:

20:09

Day Length:

14 h. 0 min.

Istanbul in August

Minimum:

47.0°F

Average:

50.9°F

Maximum:

53.0°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 74.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.8°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 77.6°F on 2016, while the historical minimum was 73.9°F on 2023.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.4°F, the minimum temperature may reach 73.1°F, and the maximum might stay at 73.9°F.

Daily water temperature in Istanbul

Date Current Year

actual* / forecast**

last year 10 years average
Jul 28 73.5°F 75.3°F 75.6°F
Jul 29 74.6°F 74.8°F 75.6°F
Jul 30 74.4°F 75.4°F 75.8°F
Jul 31 72.3°F 75.7°F 75.6°F
Aug 1 70.9°F 75.7°F 75.7°F
Aug 2 70.3°F 74.3°F 75.5°F
Aug 3 70.9°F 74.7°F 75.7°F
Aug 4 71.3°F 74.2°F 76.0°F
Aug 5 71.7°F 75.0°F 75.7°F
Aug 6 72.7°F 74.6°F 75.8°F
Aug 7 73.4°F 75.2°F 76.0°F
Aug 8 74.2°F 75.1°F 76.1°F
Aug 9 75.0°F 75.1°F 76.0°F
Aug 10 73.9°F 74.9°F 75.9°F
Aug 11 74.1°F 74.9°F 75.8°F
Aug 12 73.8°F 75.4°F 75.5°F
Aug 13 73.9°F 75.1°F 75.7°F
Aug 14 73.4°F 74.4°F 75.2°F
Aug 15 73.4°F 74.7°F 75.2°F
Aug 16 73.3°F 73.4°F 75.1°F
Aug 17 73.2°F 72.0°F 75.0°F
Aug 18 73.1°F 71.6°F 74.9°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 74.7°F 3mi
Esenler 73.9°F 4mi
Bahçelievler 73.9°F 5mi
Bağcılar 73.9°F 5mi
Sultangazi 75.8°F 8mi
Umraniye 74.9°F 9mi
Maltepe 74.3°F 12mi
Yalova 78.0°F 30mi
Bursa 76.9°F 57mi

* current water temperature in this city

** straight line distance from Istanbul