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 9.02°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.

48.2

°F

March 29, 00:57

Trend:

stable

Yesterday:

48.2°F

Tomorrow:

48.1°F

Sunrise:

06:54

Sunset:

19:25

Day Length:

12 h. 31 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 48.2°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 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 50.8°F on 2023, while the historical minimum was 46.2°F on 2022.

latest data

last year

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 48.8°F, with minimum temperature starting at 48.1°F, while the maximum might reach 49.6°F.

Daily water temperature in Istanbul

Date	Current Year actual* / forecast**	last year	10 years average
Mar 15	47.2°F	49.4°F	48.4°F
Mar 16	46.6°F	49.6°F	48.1°F
Mar 17	45.9°F	49.4°F	48.1°F
Mar 18	47.2°F	51.7°F	48.5°F
Mar 19	46.9°F	51.2°F	48.3°F
Mar 20	47.4°F	49.9°F	48.2°F
Mar 21	47.2°F	49.7°F	48.2°F
Mar 22	47.2°F	49.2°F	48.3°F
Mar 23	47.0°F	48.7°F	48.1°F
Mar 24	47.4°F	50.5°F	48.3°F
Mar 25	47.5°F	50.4°F	48.5°F
Mar 26	48.4°F	50.6°F	48.7°F
Mar 27	47.8°F	50.6°F	48.6°F
Mar 28	48.2°F	50.6°F	49.0°F
Mar 29	48.2°F	50.5°F	49.0°F
Mar 30	48.1°F	50.7°F	48.9°F
Mar 31	48.5°F	49.9°F	49.3°F
Apr 1	48.5°F	50.0°F	49.3°F
Apr 2	48.7°F	49.9°F	49.5°F
Apr 3	49.1°F	50.0°F	49.9°F
Apr 4	49.2°F	50.8°F	50.0°F
Apr 5	49.6°F	51.6°F	50.4°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	48.1°F	3mi
Esenler	48.6°F	4mi
Bahçelievler	48.6°F	5mi
Bağcılar	48.6°F	5mi
Sultangazi	48.0°F	8mi
Umraniye	47.9°F	9mi
Maltepe	50.1°F	12mi
Yalova	51.7°F	30mi
Bursa	51.8°F	57mi

* current water temperature in this city

** straight line distance from Istanbul