WWAZ60 LPMG 180420 ASS: NAVTEX ROUTINE FE// FE// CENCOMARACORES 180420 UTC SEP 26 INSTITUTO PORTUGUES DO MAR E DA ATMOSFERA. WEATHER BULLETIN FOR SHIPPING FOR THE ATLANTIC ZONES LIMITED BY MERIDIANS 40W-22W AND BY PARALLELS 30N-45N. TTT TTT TTT. HEAVY WAVES WARNING IN ZONE 3(ALTAIR). WEATHER SUMMARY AT 180000UTC: HIGH/ 1032HPA/ 44N34W/ EXP 190000UTC/ 1030HPA/ 50N19W. RIDGE/ 54N06W(1038HPA)/ 50N11W(1035HPA)/ 45N19W(1030HPA)/ 40N24W(1027HPA)/ QSTNR/ NOSIG. C-FRONT WITH WAVES/ 32N48W/ 35N40W/ 40N28W/ 45N23W/ 50N20W/ MOV E/NE 05KT/ WEAK TO MOD ACTIVITY. FORECAST VALID TO 190600UTC: 3 - ALTAIR: IN W:N/NW 3 TO 5, BECMG VRB 2 TO 4 IN NW. IN E: VRB 2 TO 3 BEING N/NE 3 TO 5 IN NW, BECMG E/NE 3 TO 4 IN SE AND IN NE VEER S QUAD 3 TO 4. GOOD VIS, BEING OCNL MOD TO POOR. W/NW WAVES 3 TO 5 M, BEING N/NE 1 TO 2 M IN FAR SE AT THE BEGINNING, DECR 2 TO 3 M. 5 - ACORES: VRB 2 TO 3, BEING NE 4 TO 5 IN NW AT THE BEGINNING, BECMG E/NE 3 TO 5 AND IN E BECMG N/NE 3 TO 5. GOOD TO MOD VIS, OCNL POOR. N/NW WAVES 3 TO 4 M, BEING N 1 TO 2 M IN IN SW AT THE BEGINNING. 7 - IRVING: E/NE 2 TO 4. GOOD VIS OCNL MOD TO POOR. N QUAD WAVES 1 TO 2 M, INCR 2 TO 3 M. 30 - MILNE: VRB 2 TO 4, BEING S/SW 3 TO 5 IN FAR N. GOOD VIS OCNL MOD TO POOR. N/NW WAVES 3 TO 4 M, DECR 2 TO 3 M AND IN FAR N PASSANDP TO W/NW. 31 - MARSALA: E 3 TO 5, BEING VRB 2 TO 3 IN N. GOOD TO MOD VIS. N/NW WAVES 2 TO 3 M. METEOROLOGISTA: VIEGAS. SOURCE: INSTITUTO PORTUGUES DO MAR E DA ATMOSFERA - PORTUGAL.