From 21 to 24 September

Moderate winds from NNE over the Sardinian Sea and the Channel of Sardinia; northwesterly winds also over the central-southern Tyrrhenian, up to 15-20 knots. On the Adriatic, NE to NW winds prevail, stronger over the central and southern sectors with gusts up to 25 knots. Strong northerly winds over the Gulf of Lion and the Balearic Sea, up to 25 knots. Winds still strong from ENE over the Sardinian Sea and the central Tyrrhenian, gradually weakening, but remaining strong over the central-southern Adriatic and Ionian with gusts up to 25 knots, as well as between the Aegean and the Levantine Sea. Weaker winds over the northern Adriatic. Winds weakening over the Sardinian Sea and the Tyrrhenian. Northerly or northwesterly winds persist over the southern Adriatic and the Ionian, locally still strong, up to 25 knots between the Aegean and the Levantine Sea.

Seas up to very rough over the central and southern Adriatic and northern Ionian, slightly or moderately rough elsewhere; the Gulf of Lion will be very rough. General increase in wave motion. Up to very rough or locally agitated in the southern Ionian, where waves may reach 2 meters. Waves up to 1.5 meters also over the central Adriatic and locally the central Tyrrhenian. General decrease in wave motion. Seas mostly slightly or moderately rough, with waves between 0.2 and 0.5 meters; rough or even very rough in the Ionian.