River & lake beach
Marmande plage
France

No sea temperature is shown for this beach: the nearest open water cell in NOAA's 0.25° grid is too far away to speak for this shore. That happens on river and lake beaches, and inside bays finer than the grid.
About
Marmande Plage, sur le modèle de Paris Plage, est une plage de sable artificielle installée sur le fleuve de la Garonne, sur la commune de Marmande (Lot-et-Garonne).
Questions
Where is Marmande plage?
Marmande plage is on the coast of France, at 44.4913, 0.1553. The map on this site flies straight to it.