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 19.69°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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.

67.4

°F

October 11, 11:17

Trend:

stable

Yesterday:

67.4°F

Tomorrow:

67.1°F

Sunrise:

07:11

Sunset:

18:31

Day Length:

11 h. 20 min.

Istanbul in October

Minimum:

46.6°F

Average:

50.8°F

Maximum:

53.0°F

Sea water temperature in Istanbul today

As of now, in Istanbul, the water temperature is 67.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.9°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling 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 71.6°F on 2020, while the historical minimum was 65.8°F on 2021.

latest data

last year

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 66.4°F, the minimum temperature may reach 65.7°F, and the maximum might stay at 67.1°F.

Daily water temperature in Istanbul

Date	Current Year actual* / forecast**	last year	10 years average
Sep 27	70.5°F	72.3°F	71.6°F
Sep 28	70.0°F	71.4°F	71.2°F
Sep 29	69.2°F	70.9°F	70.8°F
Sep 30	69.0°F	70.9°F	70.7°F
Oct 1	68.2°F	69.5°F	70.3°F
Oct 2	68.3°F	69.8°F	70.3°F
Oct 3	67.1°F	70.4°F	69.8°F
Oct 4	67.4°F	69.7°F	69.7°F
Oct 5	67.3°F	69.4°F	69.5°F
Oct 6	67.0°F	69.0°F	69.3°F
Oct 7	66.6°F	68.6°F	68.9°F
Oct 8	67.0°F	68.2°F	68.7°F
Oct 9	67.2°F	68.1°F	68.5°F
Oct 10	67.4°F	67.7°F	68.1°F
Oct 11	67.4°F	68.1°F	68.3°F
Oct 12	67.1°F	66.9°F	67.9°F
Oct 13	66.8°F	66.4°F	67.7°F
Oct 14	66.9°F	67.0°F	67.8°F
Oct 15	66.4°F	67.3°F	67.3°F
Oct 16	66.2°F	67.7°F	67.1°F
Oct 17	66.0°F	67.2°F	66.9°F
Oct 18	65.7°F	66.8°F	66.6°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 79 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	67.4°F	3mi
Esenler	67.4°F	4mi
Bahçelievler	67.4°F	5mi
Bağcılar	67.4°F	5mi
Sultangazi	67.9°F	8mi
Umraniye	67.2°F	9mi
Maltepe	67.1°F	12mi
Yalova	67.5°F	30mi
Bursa	65.8°F	57mi

* current water temperature in this city

** straight line distance from Istanbul