Water temperature in Middleton-on-Sea

This data the coastal Middleton-on-Sea 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 Middleton-on-Sea

Water temperature in Middleton-on-Sea today is 18.7°C. Based on our historical data over a period of ten years, the warmest water in this day in the English Channel near Middleton-on-Sea was recorded in 2022 and was 19.8°C, and the coldest was recorded in 2015 at 16.9°C. Sea water temperature in Middleton-on-Sea is expected to drop to 17.7°C in the next 10 days. September average water temperature in Middleton-on-Sea is 17.5°C, the minimum temperature is 15.9°C, and the maximum is 20°C.

Throughout the year, the water temperature in Middleton-on-Sea does not rise above 20°C and therefore is not suitable for comfortable swimming. The average water temperature in Middleton-on-Sea in winter reaches 8.9°C, in spring 9.9°C, in summer the average temperature rises to 16.8°C, and in autumn it is 15.5°C.

Middleton-on-Sea water temperature now

The sea salinity in Middleton-on-Sea is 32.47‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Middleton-on-Sea 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 Middleton-on-Sea. 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 Middleton-on-Sea. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Middleton-on-Sea

Middleton-on-Sea weather forecast

Current temperature and weather

Data in a table show Middleton-on-Sea temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Middleton-on-Sea.

0-3 h	3-6 h	6-9 h	9-12 h
14.2°C	13.6°C	13.4°C	16.5°C

12-15 h	15-18 h	18-21 h	21-24 h
18.7°C	18.9°C	17.3°C	15.8°C

Middleton-on-Sea water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Middleton-on-Sea. 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 Middleton-on-Sea 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 Middleton-on-Sea

The nearest beaches and cities from Middleton-on-Sea 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
Felpham	18.7°C	19°C		0.58 m
Rustington	18.7°C	19°C		0.65 m
Aldwick	18.7°C	19°C		0.53 m
Chichester	18.7°C	19°C		0.44 m
West Wittering	18.7°C	19°C		0.44 m
Birdham	18.7°C	19°C		0.44 m
Shoreham-by-Sea	18.6°C	19°C		0.68 m
Eastbourne	18.8°C	19°C		0.88 m
East Wittering	18.9°C	19°C		0.64 m
Chichester Harbour	18.7°C	19°C		0.4 m

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Our report for Middleton-on-Sea 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.