FZPS04 SCSC 251017 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER WEATHER BULLETIN AND SEA ZONE X VLD 251200 TO 261200 UTC. PART I: SEVERE WEATHER WARN. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND S/SW 10/15KT OCNL 20KT INCR TO S OF AREA 25/35KT GUSTS 45KT, SEA 2.5/4.0M, VIS GOOD BECMG TO POOR, RN TO S OF AREA. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 10/15KT GUSTS 25KT BECMG W OF AREA TO N/NE 15/20KT OCNL 25KT, SEA 1.0/2.5M, VIS GOOD BECMG TO POOR, RN TO S OF AREA. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND W/SW 25/35KT GUSTS 45KT, SEA 5.0/8.0M, VIS POOR, RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND W/NW 30/40KT GUSTS 50KT, SEA 4.0/6.0M, VIS POOR, RN. PART II: SYNOPTIC SITUATION (ANALYSIS 250600 UTC). HIGH 1030 HPA 40S/120W HIGH 1022 HPA 38S/88W LOW 1010 HPA 50S/92W. PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND E/SE 10/15KT, SEA 1.5/2.5M, VIS GOOD TO AVERAGE, SH TO S OF AREA . NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 10/15KT, SEA 1.0/2.0M, VIS GOOD. MET101RJ