Water temperature in Zonguldak

This data the coastal Zonguldak sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Zonguldak

Water temperature in Zonguldak today is 23.8°C. Based on our historical data over a period of ten years, the warmest water in this day in Zonguldak was recorded in 2024 and was 26°C, and the coldest was recorded in 2023 at 22.8°C. Sea water temperature in Zonguldak is expected to drop to 23.6°C in the next 10 days. September average water temperature in Zonguldak is 23.8°C, the minimum temperature is 20.8°C, and the maximum is 26.6°C.

The swimming season in Zonguldak lasts from June to October. During those months, Zonguldak water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Zonguldak in winter reaches 9.8°C, in spring 11.5°C, in summer the average temperature rises to 23.9°C, and in autumn it is 19.8°C.

Zonguldak water temperature now

The sea salinity in Zonguldak is 18.07‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Zonguldak for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Zonguldak. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Zonguldak. Data in table shown for 9 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Zonguldak

Zonguldak weather forecast

Current temperature and weather

Data in a table show Zonguldak temperature today (9 September 2025). For more information and forecast for a few days, go to the weather forecast Zonguldak.

0-3 h	3-6 h	6-9 h	9-12 h
19.2°C	18.6°C	18.5°C	21.9°C

12-15 h	15-18 h	18-21 h	21-24 h
22.8°C	22.8°C	21.2°C	20.1°C

Zonguldak water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Zonguldak. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Zonguldak on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Zonguldak

The nearest beaches and cities from Zonguldak with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Eregli	23.8°C	22°C		0.44 m
Alapli	23.6°C	22°C		0.43 m
Amasra	23.1°C	24°C		0.51 m
Kocaali	24.2°C	25°C		0.44 m
Kurucasile	22.3°C	24°C		0.44 m
Karasu	24°C	25°C		0.49 m
Izmit	23.8°C	27°C		0.49 m
Sile	23.7°C	26°C		0.5 m
Halidere	23.2°C	27°C		0.02 m
Karamursel	22.4°C	27°C		0.02 m

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Our report for Zonguldak is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.