Mild, sunny micro-climate (mimosas). Linked to the mainland by a bridge and the Gois causeway at low tide. The forecast above is based on global weather models using the island’s centre coordinates. For specific places — see the links above or use the search field in the top menu.
Météo-France
Official weather data from Météo-France (French Meteorological and Hydrological Institute) · Météo-France · French Museum of Natural History · Bison Futé