Water temperature in Upton

This data the coastal Upton 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 Upton

Water temperature in Upton today is 17.4°C. Based on our historical data over a period of ten years, the warmest water in this day in Upton was recorded in 2023 and was 18.4°C, and the coldest was recorded in 2008 at 16.1°C. Sea water temperature in Upton is expected to drop to 16.6°C in the next 10 days. September average water temperature in Upton is 16.6°C, the minimum temperature is 15.3°C, and the maximum is 19°C.

Throughout the year, the water temperature in Upton does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Upton in winter reaches 9.7°C, in spring 10.3°C, in summer the average temperature rises to 16.1°C, and in autumn it is 15°C.

Upton water temperature now

The sea salinity in Upton is 33.07‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Upton 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 Upton. 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 Upton. 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 Upton

Upton weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
15°C	14.7°C	14.3°C	16.1°C

12-15 h	15-18 h	18-21 h	21-24 h
17.1°C	16.9°C	15.8°C	14.2°C

Upton water temperature by month

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

The nearest beaches and cities from Upton 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
Widemouth Bay	17.4°C	17°C		1.52 m
Crackington Haven	17.5°C	17°C		1.5 m
Sandymouth Bay Beach	17.4°C	17°C		1.52 m
Boscastle	17.5°C	17°C		1.5 m
Port Gaverne	17.4°C	17°C		1.41 m
Port Isaac	17.4°C	17°C		1.41 m
Lundy Bay	17.4°C	17°C		1.41 m
Port Quin	17.4°C	17°C		1.41 m
Hartland Quay	17.8°C	17°C		1.44 m
Clovelly	18°C	18°C		0.96 m

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Our report for Upton 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.