Water temperature in Mosterhamn

This data the coastal Mosterhamn 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 Mosterhamn

Water temperature in Mosterhamn today is 14.4°C. Based on our historical data over a period of ten years, the warmest water in this day in the North Sea near Mosterhamn was recorded in 2023 and was 15.2°C, and the coldest was recorded in 2012 at 11.8°C. Sea water temperature in Mosterhamn is expected to drop to 12.3°C in the next 10 days. September average water temperature in Mosterhamn is 14.5°C, the minimum temperature is 11.7°C, and the maximum is 17.4°C.

Throughout the year, the water temperature in Mosterhamn does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of July, the water temperature warms up to 20°C and above. The average water temperature in Mosterhamn in winter reaches 6.2°C, in spring 6.8°C, in summer the average temperature rises to 14.7°C, and in autumn it is 12°C.

Mosterhamn water temperature now

The sea salinity in Mosterhamn is 31.31‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Mosterhamn 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 Mosterhamn. 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 Mosterhamn. Data in table shown for 28 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Mosterhamn

Mosterhamn weather forecast

Current temperature and weather

Data in a table show Mosterhamn temperature today (28 September 2025). For more information and forecast for a few days, go to the weather forecast Mosterhamn.

0-3 h	3-6 h	6-9 h	9-12 h
14.1°C	13.9°C	13.9°C	13.8°C

12-15 h	15-18 h	18-21 h	21-24 h
15.1°C	14.2°C	13.1°C	12.7°C

Mosterhamn water temperature by month

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

The nearest beaches and cities from Mosterhamn 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
Rubbestadneset	14.2°C	14°C		0.54 m
Eike	13.3°C	15°C		0.76 m
Vormedal	13.6°C	15°C		0.76 m
Haugesund	13.9°C	15°C		0.76 m
Kopervik	14°C	15°C		0.76 m
Rosendal	12.5°C	9°C		0.02 m
Sauda	11°C	14°C		0.19 m
Utsira	15.2°C	15°C		1.96 m
Eikelandsosen	13.4°C	12°C		0.21 m
Skudeneshavn	15.1°C	15°C		1.52 m

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Our report for Mosterhamn 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.