FZPS04 SCSC 212110 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER WEATHER BULLETIN AND SEA STATE ZONE X VALID 221200 TO 231200 UTC. PART I: SEVERE WEATHER WARNING. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND W/NW SHIFTING TO W/SW 25/35KT GUSTS 45KT, SEA 2.0/5.0M, VIS 6/10KM, SH/RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 15/25KT INCR TO N OF AREA 25/35KT, SEA 5.0/2.0M, VIS 8/10KM, ISOL SH. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND W/NW SHIFTING TO S/SE 25/35KT, SEA 6.0/3.0M, VIS 6/2KM, SH/RN. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND W/NW 20/30KT OCNL 35KT, SEA 1.0/2.0M, VIS 8/6KM, SH/RN. PART II: SYNOPTIC SITUATION (ANALYSIS 211800 UTC). HIGH 1026 HPA 34S/80W LOW 1014 HPA 28S/102W LOW 998 HPA 34S/110W LOW 994 HPA 34S/119W LOW 994 HPA 43S/100W LOW 990 HPA 39S/112W PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND E/SE 10/15KT OCNL 20KT SHIFTING S OF AREA TO W/NW 15/25KT, SEA 1.0/2.0M, VIS 10KM. NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND N/NW SHIFTING TO S/SW 10/15KT GUSTS 25KT, SEA 1.0/3.0M, VIS 8/10KM, ISOL SH.