FZPS04 SCSC 042258 CHILEAN NAVY WEATHER SERVICE VALPARAISO MARITIME METEOROLOGICAL CENTER WEATHER BULLETIN AND SEA ZONE X VLD FM 051200 TO 061200 UTC. PART I: SEVERE WEATHER WARN. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND N/NW 25/35KT OCNL 40KT SHIFTING TO S/SW 15/20KT, SEA 4.0/5.0M, VIS 10/2KM, SH/RN. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND N/NW OCNL S/SW 25/35KT OCNL 40KT, SEA 8.0/5.0M, VIS 6/4KM, SH/RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND W/NW 25/35KT GUST 45KT, SEA 5.0/6.0M, VIS 6/2KM, SH/RN. PART II: SYNOPTIC SITUATION (ANALYSIS 041800 UTC). HIGH 1022 HPA 21S/111W LOW 982 HPA 47S/92W LOW 966 HPA 56S/118W PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND E/SE SHIFTING TO N/NE 5/15KT, SEA 2.0/3.0M, VIS 10KM. NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND E/SE 5/15KT SHIFTING TO N/NW 15/25KT OCNL 30KT, SEA 3.0/4.0M, VIS 10/8KM, PROBABLE ISOL SH. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND N/NW SHIFTING OCNL TO S/SW 15/20KT OCNL 25KT, SEA 2.0/5.0M, VIS 2/8KM, SH/RN.