Sea Temps

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Ainsdale Beach sea temperature today

Ainsdale Beach, near Southport, Merseyside, England. Beach.

Latest satellite reading, 28 Oct 2026
12.4 °C
54 °F. Close to the normal for 28 Oct (normal 12.3 °C).
Normal for this date
12.3 °C
2003 to 2014 average for 28 Oct
Change over 7 days
-1.3 °C
Compared with the reading a week earlier
Wetsuit guide (general)
4/3 mm full wetsuit
Band 12 to 15 °C. Boots are worth considering.

Last 30 days at Ainsdale Beach

1112131415161729 Sep13 Oct28 Oct

Solid line: daily satellite reading (°C). Dashed line: normal for each date (2003 to 2014 average).

Recent daily readings

DateReadingNormalDifference
28 Oct 202612.4 °C12.3 °C+0.1
27 Oct 202612.7 °C12.4 °C+0.3
26 Oct 202612.3 °C12.3 °C0.0
25 Oct 202612.8 °C12.3 °C+0.5
24 Oct 202613.2 °C12.5 °C+0.7
23 Oct 202613.7 °C12.5 °C+1.2
22 Oct 202613.7 °C12.7 °C+1.0

Normal sea temperature by month at Ainsdale Beach

Averages of the satellite analysis for 2003 to 2014. The sea here is normally warmest in August (about 17.2 °C) and coldest in February (about 6.0 °C).

MonthAverageLowest dayHighest day
January6.9 °C6.4 °C7.5 °C
February6.0 °C5.7 °C6.4 °C
March6.6 °C5.8 °C7.5 °C
April9.1 °C7.8 °C10.3 °C
May11.7 °C10.5 °C13.2 °C
June14.8 °C13.4 °C15.9 °C
July16.6 °C16.0 °C17.3 °C
August17.2 °C16.6 °C17.8 °C
September15.9 °C14.9 °C16.7 °C
October13.3 °C12.1 °C14.9 °C
November10.9 °C9.6 °C11.9 °C
December8.3 °C7.6 °C9.6 °C

Nearby places

PlaceAreaDistanceLatest
Formby BeachMerseyside5 km12.4 °C
SouthportMerseyside6 km12.4 °C
Lytham St AnnesLancashire16 km12.3 °C
St Anne's BeachLancashire16 km12.3 °C
BlackpoolLancashire23 km12.3 °C

More: all places in Merseyside, England.

About this reading

The value comes from the satellite analysis grid cell centred at 53.61° N, 3.07° W, under 1 km from the GeoNames point for Ainsdale Beach. Each cell is about 1 km across. It is the nearest cell the analysis treats as open sea.

Please note. These are satellite-based estimates of the sea surface temperature on a grid about 1 km wide. Water at the shoreline, in rock pools, estuaries and shallow bays can be several degrees warmer or colder. Readings are usually one to two days old. This is not safety advice: check local lifeguard and coastguard guidance before swimming. Water below about 15 °C can cause cold water shock.