ZCZC OE82 MLT WX FORECAST VALID -21/1600 TILL 22/04_5: 24,_' - NIL GEN SIT -A TROUGH OF LOW PRESSURE COVERS ITALY AND THE CEN MED WX - PAR CLOUDY VIS - GOOD WIND - NW F5 TO F6, LOC F6 SEA - MOD SWELL - LOWVDT__EC NEG NNNN