FZPS04 SCSC 172123 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER WEATHER BULLETIN AND SEA ZONE X VLD 181200 TO 191200 UTC. PARTE I: SEVERE WEATHER WARNING. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND W/SW 30/40KT GUSTS 45/50KT BECMG E OF AREA TO W/NW 20/30KT, SEA 4.0/8.0M, VIS POOR, SH/RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND W/SW 30/40KT GUSTS 50/60KT BECMG E OF AREA N/NE 25/35KT GUSTS 40 /45KT, SEA 5.0/9.0M, VIS POOR, RN/SH SLEET. PARTE II: SYNOPTIC SITUATION (ANALYSIS 171800 UTC). HIGH 1022 HPA 26S/89W HIGH 1026 HPA 28S/120W LOW 1014 HPA 39S/96W LOW 998 HPA 49S/111W LOW 990 HPA 55S/100W LOW 974 HPA 60S/110W PARTE III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND E/SE BECMG S OF AREA TO W/NW 5/15KT, SEA 1.5/3.0M, VIS GOOD. NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND E/SE BECMG S OF AREA TO S/SW 5/15KT OCNL 20KT, SEA 1.5/4.0M, VIS GOOD TO AVERAGE, SH TO S OF AREA. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): (LONG 78 TO 90 WEST): WIND N/NE 15/25KT BECMG S OF AREA TO W/SW 5/15KT, SEA 2.0/4.0M, VIS AVERAGE, SH/RN. (LONG 90 TO 95 WEST): WIND S/SE 15/25KT BECMG N/NE 20/30KT, SEA 2.0/4.0M, VIS AVERAGE, SH/ RN. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND W/SW 20/30KT BECMG W OF AREA TO N/NE 15/25KT, SEA 3.0/6.0M, VIS AVERAGE TO GOOD, SH. MET204JC