Water temperature in Jan Mayen

This data the coastal Jan Mayen 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 Jan Mayen

Water temperature in Jan Mayen today is 7.4°C. Based on our historical data over a period of ten years, the warmest water in this day in the Norwegian Sea near Jan Mayen was, like today, 7.4°C, and the coldest was recorded in 2013 at 4.8°C. Sea water temperature in Jan Mayen is expected to drop to 5.8°C in the next 10 days. September average water temperature in Jan Mayen is 5.8°C, the minimum temperature is 3.5°C, and the maximum is 7.7°C.

Throughout the year, the water temperature in Jan Mayen does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Jan Mayen in winter reaches 1.1°C, in spring 0.8°C, in summer the average temperature rises to 5°C, and in autumn it is 4.2°C.

Jan Mayen water temperature now

The sea salinity in Jan Mayen is 34.81‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Jan Mayen 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 Jan Mayen. 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 Jan Mayen. 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 Jan Mayen

Jan Mayen water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Jan Mayen. 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 Jan Mayen 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 Jan Mayen

The nearest beaches and cities from Jan Mayen 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
Itseqqortoormiit	3.7°C	2°C		1.78 m
Clavering Island	3.3°C	0°C		0.59 m
Husavik	9.9°C	13°C		1.31 m
Skjalfandi Bay	9.9°C	13°C		1.33 m
Dalvik	9.7°C	13°C		1.53 m
Akureyri	10.2°C	13°C		1.53 m
Hofn	10°C	11°C		3.38 m
Isafjoerdur	9.7°C	6°C		2.47 m
Stykkisholmur	10.9°C	9°C		0.43 m
Ramberg	13.6°C	16°C		0.95 m

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Our report for Jan Mayen 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.