What is the current water temperature in Istanbul?

Q: What is the current water temperature in Istanbul?

As of now, in Istanbul, the water temperature is 10.45°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Turkey > Istanbul

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.

50.8

°F

April 14, 09:01

Trend:

stable

Yesterday:

50.9°F

Tomorrow:

51.4°F

Sunrise:

06:28

Sunset:

19:42

Day Length:

13 h. 14 min.

Istanbul in April

Minimum:

47.8°F

Average:

51.4°F

Maximum:

54.3°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 50.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.8°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 56.2°F on 2024, while the historical minimum was 48.9°F on 2022.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 52.3°F, with minimum temperature starting at 51.4°F, while the maximum might reach 52.6°F.

Daily water temperature in Istanbul

Date	Current Year actual* / forecast**	last year	10 years average
Mar 31	48.4°F	49.9°F	49.2°F
Apr 1	49.3°F	50.0°F	49.3°F
Apr 2	49.0°F	49.9°F	49.5°F
Apr 3	49.7°F	50.0°F	49.9°F
Apr 4	50.3°F	50.8°F	50.0°F
Apr 5	50.0°F	51.6°F	50.4°F
Apr 6	50.6°F	51.2°F	50.5°F
Apr 7	50.5°F	54.0°F	50.7°F
Apr 8	51.6°F	53.6°F	51.0°F
Apr 9	51.1°F	53.2°F	51.2°F
Apr 10	50.8°F	50.5°F	51.0°F
Apr 11	50.5°F	51.5°F	51.2°F
Apr 12	50.6°F	51.3°F	51.5°F
Apr 13	50.9°F	49.9°F	51.7°F
Apr 14	50.8°F	49.6°F	51.6°F
Apr 15	51.4°F	50.4°F	52.2°F
Apr 16	52.0°F	50.4°F	52.8°F
Apr 17	52.5°F	52.0°F	53.3°F
Apr 18	52.6°F	52.1°F	53.4°F
Apr 19	52.5°F	51.5°F	53.3°F
Apr 20	52.5°F	50.5°F	53.3°F
Apr 21	52.5°F	51.8°F	53.3°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, 53.4°F in Spring, 73.2°F in Summer, and 67.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Üsküdar	49.9°F	3mi
Esenler	51.3°F	4mi
Bahçelievler	51.3°F	5mi
Bağcılar	51.3°F	5mi
Sultangazi	49.3°F	8mi
Umraniye	49.5°F	9mi
Maltepe	52.6°F	12mi
Yalova	52.2°F	30mi
Bursa	53.4°F	57mi

* current water temperature in this city

** straight line distance from Istanbul