Water temperature in Grebbestad

This data the coastal Grebbestad 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 Grebbestad

Water temperature in Grebbestad today is 17.3°C. Based on our historical data over a period of ten years, the warmest water in this day in the North Sea near Grebbestad was recorded in 2024 and was 18.5°C, and the coldest was recorded in 2007 at 14.9°C. Sea water temperature in Grebbestad is expected to drop to 15.7°C in the next 10 days. September average water temperature in Grebbestad is 15.7°C, the minimum temperature is 12.5°C, and the maximum is 18.6°C.

Throughout the year, the water temperature in Grebbestad does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of July, August, the water temperature warms up to 20°C and above. The average water temperature in Grebbestad in winter reaches 4.3°C, in spring 6.9°C, in summer the average temperature rises to 17.2°C, and in autumn it is 12.4°C.

Grebbestad water temperature now

The sea salinity in Grebbestad is 23.57‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Grebbestad 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 Grebbestad. 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 Grebbestad. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Grebbestad

Grebbestad weather forecast

Current temperature and weather

Data in a table show Grebbestad temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Grebbestad.

0-3 h	3-6 h	6-9 h	9-12 h
13.2°C	12.4°C	12.2°C	16.4°C

12-15 h	15-18 h	18-21 h	21-24 h
19.2°C	18.4°C	16°C	13.1°C

Grebbestad water temperature by month

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

The nearest beaches and cities from Grebbestad 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
Kungshamn	17.5°C	16°C		0.51 m
Lysekil	17.3°C	16°C		0.49 m
Uddevalla	18.1°C	19°C		0.33 m
Oslo	17.6°C	18°C		0.27 m
Melsomvik	16.8°C	18°C		0.19 m
Hoviksnas	17.9°C	17°C		0.22 m
Tonsberg	17.1°C	18°C		0.21 m
Sandefjord	17.1°C	18°C		0.47 m
Stavern	17.4°C	17°C		0.47 m
Larkollen	17.4°C	18°C		0.21 m

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Our report for Grebbestad 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.