Campania

Campania occupies the central Tyrrhenian coast of Italy from the Garigliano mouth at the Lazio border south through the Bay of Naples and the Sorrentine Peninsula, on to the Cilento and the southern hinge with Basilicata. The tide here is the small Mediterranean signal that the rest of mainland Italy shares: mean range at Naples is about 0.3 metres, with spring tides reaching close to 0.4 and neaps near flat. The volcanic geometry of the bay — Vesuvius on the eastern shore, the Phlegraean Fields and Pozzuoli on the western, Capri and Ischia at the seaward edges — gives the coast a steep underwater profile that responds more to swell, wind setup, and air pressure than to lunar tide. Bradyseism in the Phlegraean Fields adds a slow vertical land-motion signal that locally reshapes apparent tide range over years and decades. Fishers working the Capri grottoes, sailors crossing to Procida and Ischia, and swimmers at the Sorrento marinas all read the wider weather pattern more than the tide table. Open-Meteo Marine drives the gridded predictions on this site; ISPRA Mareografico Nazionale runs the authoritative Italian gauge network including the historic Naples station.