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 10.17°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.

50.3

°F

January 31, 05:51

Trend:

decreasing

Yesterday:

50.3°F

Tomorrow:

50.1°F

Sunrise:

08:16

Sunset:

18:19

Day Length:

10 h. 3 min.

Istanbul in February

Minimum:

48.1°F

Average:

51.2°F

Maximum:

54.1°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 50.3°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 2.5°F higher 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 fall 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.3°F on 2023, while the historical minimum was 44.3°F on 2017.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 50.2°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
Jan 17	49.9°F	50.6°F	49.4°F
Jan 18	50.8°F	50.0°F	49.5°F
Jan 19	50.3°F	50.4°F	49.4°F
Jan 20	50.1°F	51.4°F	49.0°F
Jan 21	50.5°F	51.1°F	49.1°F
Jan 22	50.1°F	51.0°F	48.9°F
Jan 23	49.6°F	50.3°F	48.8°F
Jan 24	49.6°F	50.9°F	48.8°F
Jan 25	49.4°F	50.4°F	48.7°F
Jan 26	50.0°F	50.2°F	48.6°F
Jan 27	49.7°F	49.9°F	48.3°F
Jan 28	49.8°F	49.9°F	48.3°F
Jan 29	50.3°F	49.9°F	48.2°F
Jan 30	50.3°F	49.7°F	47.9°F
Jan 31	50.3°F	49.2°F	47.8°F
Feb 1	50.1°F	48.9°F	47.7°F
Feb 2	50.1°F	48.6°F	47.6°F
Feb 3	50.1°F	47.9°F	47.6°F
Feb 4	50.2°F	48.4°F	47.8°F
Feb 5	50.4°F	48.2°F	47.9°F
Feb 6	50.4°F	48.3°F	47.9°F
Feb 7	50.4°F	48.6°F	48.0°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, 53.4°F in Spring, 73.4°F in Summer, and 67.1°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Üsküdar	49.8°F	3mi
Esenler	50.5°F	4mi
Bahçelievler	50.5°F	5mi
Bağcılar	50.5°F	5mi
Sultangazi	49.0°F	8mi
Umraniye	49.4°F	9mi
Maltepe	50.5°F	12mi
Yalova	50.5°F	30mi
Bursa	49.6°F	57mi

* current water temperature in this city

** straight line distance from Istanbul