Water temperature in Narva-Joesuu

This data the coastal Narva-Joesuu 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 Narva-Joesuu

Water temperature in Narva-Joesuu today is 18.2°C. Based on our historical data over a period of ten years, the warmest water in this day in Narva-Joesuu was recorded in 2024 and was 19.8°C, and the coldest was recorded in 2010 at 13.7°C. Sea water temperature in Narva-Joesuu is expected to drop to 14.9°C in the next 10 days. September average water temperature in Narva-Joesuu is 15.2°C, the minimum temperature is 10.3°C, and the maximum is 20.4°C.

The swimming season in Narva-Joesuu lasts from July to August. During those months, Narva-Joesuu water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Narva-Joesuu in winter reaches 1.1°C, in spring 3.6°C, in summer the average temperature rises to 17.2°C, and in autumn it is 10.5°C.

Narva-Joesuu water temperature now

The sea salinity in Narva-Joesuu is 4.61‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Narva-Joesuu 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 Narva-Joesuu. 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 Narva-Joesuu. Data in table shown for 8 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Narva-Joesuu

Narva-Joesuu weather forecast

Current temperature and weather

Data in a table show Narva-Joesuu temperature today (8 September 2025). For more information and forecast for a few days, go to the weather forecast Narva-Joesuu.

0-3 h	3-6 h	6-9 h	9-12 h
16.9°C	16.1°C	15.5°C	20.5°C

12-15 h	15-18 h	18-21 h	21-24 h
24.1°C	24.7°C	21°C	19.5°C

Narva-Joesuu water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Narva-Joesuu. 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 Narva-Joesuu 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 Narva-Joesuu

The nearest beaches and cities from Narva-Joesuu 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
Sillamae	18.1°C	23°C		0.16 m
Toila	17.6°C	23°C		0.16 m
Remniku	18.8°C	23°C		0.16 m
Vosu	17.9°C	24°C		0.21 m
Kotka	18.1°C	18°C		0.33 m
Hamina	18.3°C	18°C		0.16 m
Perna	16.9°C	22°C		0.29 m
Porvoo	16.2°C	18°C		0.27 m
Randvere	17.4°C	22°C		0.05 m
Viimsi	17.4°C	22°C		0.12 m

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Our report for Narva-Joesuu 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.