Beach
Omaha Beach
Normandy, France · sea 18.1 °C at its warmest, in August

Sea temperature month by month
8.9Jan
8Feb
8.2Mar
9.6Apr
11.7May
14.4Jun
16.6Jul
18.1Aug
17.8Sep
16Oct
13.4Nov
10.7Dec
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
Omaha Beach was one of five Allied beach landing sectors of the amphibious assault component of Operation Overlord during the Second World War.
Questions
How warm is the sea at Omaha Beach?
The sea off Omaha Beach averages 18.1 °C at its warmest, in August, and 8 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Omaha Beach?
The sea here never averages 20 °C in any month, so swimming means cold water all year. Some people do it anyway.
Where is Omaha Beach?
Omaha Beach is on the coast of Normandy, France, at 49.3689, -0.8686. The map on this site flies straight to it.