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0000177400 034 FQAZ67 LPMG 170525 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), 7(IRVING) AND 30(MILNE). VERY POOR VIS WARNING UP TO 20 MILES FROM THE COAST OF FLORES, CORVO, FAIAL, PICO, S.JORGE, GRACIOSA AND TERCEIRA ISLANDS OF AZORES IN ZONE 5(ACORES). II - WEATHER SUMMARY AT 170000UTC: HIGH/ 1024HPA/ 39N16W/ EXP 180000UTC/ 1022HPA/ 42N12W. C-FRONT WITH WAVES/ 35N44W/ 38N35W/ 43N27W/ 48N18W/ EXP 180000UTC/ 33N42W/ 35N34W/ 41N25W/ 46N20W/ MOD TO STRG ACTIVITY. C-FRONT/ 43N47W/ 44N41W/ 46N38W/ EXP 180000UTC/ 39N35W/ 44N27W/ 49N23W/ WEAK TO MOD ACTIVITY. HIGH/ 1022HPA/ 30N39W/ QSTNR/ NOSIG. III - FORECAST VALID TO 180600UTC: 3 - ALTAIR: W/NW 3 TO 5, BEING S/SW 5 TO 7 IN SE. MOD TO POOR VIS OCNL VERY POOR, BECMG GOOD TO MOD IN NW. W QUAD WAVES 3 TO 4 M, DECR 2 TO 3 M. 5 - ACORES: IN NW: S/SW 4 TO 6, VEER N/NW 3 TO 4. IN SE: S/SW 3 TO 5, OCNL 6 IN FAR N. GOOD TO MOD VIS, BECMG TEMPO POOR TO VERY POOR. W QUAD WAVES 2 TO 3 M BEING N QUAD 1 TO 2 M IN FAR SE DURING THE FIRST HALF, DECR 1 TO 2 M. 7 - IRVING: E QUAD 2 TO 4 OCNL 5 BEING W/SW 3 TO 5 IN FAR NW. GOOD VIS, BECMG POOR TO VERY POOR IN FAR NW. E/NE WAVES 1 TO 2 M, BECMG GRADUALLY W/NW IN N. 30 - MILNE: N/NW 3 TO 5, BEING W/NW IN N AT FIRST. GOOD TO MOD VIS, OCNL POOR TO VERY POOR IN N AT FIRST. N/NW WAVES 2 TO 3 M. 31 - MARSALA: W/SW 3 TO 5 BEING VRB 2 TO 3 IN FAR S AT FIRST, VEER GRADUALLY N/NW. GOOD TO MOD VIS OCNL POOR. N QUAD WAVES 1 TO 2 M, BEING W/NW IN N AT FIRST. METEOROLOGISTS: VIEGAS/VIEIRA. SOURCE: INSTITUTO PORTUGUES DO MAR E DA ATMOSFERA PORTUGAL.