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0000172000 457 FQAZ68 LPMG 101545 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. I - TTT TTT TTT. VERY POOR VIS WARNING IN ZONES 3(ALTAIR), 5(ACORES) AND 30(MILNE). VERY POOR VIS WARNING UP TO 20 MILES FROM THE COAST OF FAIAL, PICO, S.JORGE, GRACIOSA AND TERCEIRA ISLANDS FROM AZORES IN ZONE 5(ACORES). II - WEATHER SUMMARY AT 101200UTC: HIGH/ 1026HPA/ 34N28W/ EXP 111200UTC/ 1026HPA/ 32N29W. HIGH/ 1026HPA/ 31N60W/ EXP 111200UTC/ 1025HPA/ 32N60W. HIGH/ 1019HPA/ 46N53W/ EXP 111200UTC/ 1022HPA/ 46N52W. LOW/ 1007HPA/ 44N40W/ EXP 111200UTC/ 1004HPA/ 48N25W. C-FRONT WITH WAVES/ 40N60W/ 39N52W/ 37N47W/ 41N40W/ 44N40W/ 45N34W/ 50N25W/ MOV ENE 15KT/ WEAK TO MOD ACTIVITY. III - FORECAST VALID TO 111800UTC: 3 - ALTAIR: S/SW 4 TO 6, VEER N/NW. MOD TO POOR VIS OCNL VERY POOR, BECMG GOOD IN W. W/SW WAVES 1 TO 2 M, INCR 2 TO 3 M FROM W/NW AND BEING E/NE IN SE IN THE FIRST HALF. 5 - ACORES: W/SW 3 TO 5, VEER N/NW 2 TO 4 IN NW. GOOD VIS, BECMG MOD TO POOR OCNL VERY POOR. IN NW: W WAVES 1 TO 2 M, BEING E/NE IN SE IN THE FIRST HALF. IN SE: NE WAVES 1 TO 2 M, BECMG W/NW IN NW AND N/NE IN SE. 7 - IRVING: ANTICYCLONIC CIRC 2 TO 3. GOOD VIS OCNL MOD IN W. N QUAD WAVES 1 M. 30 - MILNE: W/SW 4 TO 6, VEER N QUAD 2 TO 4. GOOD TO MOD VIS, BEING MOD TO POOR OCNL VERY POOR IN S. W/SW WAVES 2 TO 3 M, BECMG N/NW. 31 - MARSALA: W/SW 3 TO 4, BEING VRB 2 TO 3 IN FAR S. GOOD VIS, BEING MOD TO POOR IN FAR NW. ANTICYCLONIC CIRC WAVES 1 M, BECMG E/NE IN S AND NW 1 TO 2 M IN N. METEOROLOGISTS: VIEIRA/COSTA. SOURCE: INSTITUTO PORTUGUES DO MAR E DA ATMOSFERA PORTUGAL.