WEATHER BULLETIN AND SEA ZONE X VLD FM 191200 TO 201200 UTC. PART I: SEVERE WEATHER WARN. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND S/SE 25/35KT SHIFTING OCNL TO S/SW 5/15KT, SEA 4.0/3.0M, VIS AVERAGE (6/4KM), SH/RA. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 25/35KT GUSTS 45KT SHIFTING TO N/NE 15/25KT, SEA 3.0/6.0M, VIS AVERAGE (8/4KM), SH/RA. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND N/NE SHIFTING TO S/SW 25/35KT, SEA 3.0/2.0M, VIS AVERAGE TO GOOD (6/10KM), SH. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND W/SW 20/30KT SHIFTING TO N/NE 15/20KT INCR 25/35KT GUSTS 45KT, SEA 2.0/5.0M, VIS GOOD TO AVERAGE (10/6KM), SH/RA. PART II: SYNOPTIC SITUATION (ANALYSIS 181800 UTC). HIGH 1014 HPA 44S/83W HIGH 1034 HPA 58S/119W LOW 1006 HPA 38S/103W LOW 1006 HPA 32S/89W LOW 1006 HPA 53S/94W PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND S/SW 15/20KT INCR 20/25KT OCNL 30KT, SEA 1.5/2.5M, VIS GOOD (10KM). NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND S/SW 15/20KT SHIFTING TO N/NW 15/20KT GUSTS 30KT, SEA 1.5/2.5M, VIS GOOD TO AVERAGE (10/8KM), SH. MET109LS ISSUED BY: 18TH JULY 2026 18:00 LOCAL TIME BY THE ZONAL CENTER OF MARINE METEOROLOGY OF VALPARAISO.