WEATHER BULLETIN AND SEA STATE ZONE X VALID 041200 TO 051200 UTC. PART I: SEVERE WEATHER WARN. SOUTHEAST AREA (LAT 45 TO 60 SOUTH AND LONG 81 TO 95 WEST): WIND W/NW 30/40KT GUSTS 50KT, SEA 4.0/6.0M, VIS POOR, RN. SOUTHWEST AREA (LAT 45 TO 60 SOUTH AND LONG 95 TO 120 WEST): WIND W/NW 25/35KT GUSTS 45KT, SEA 2.5/4.0M, VIS POOR, RN. PART II: SYNOPTIC SITUATION (ANALYSIS 040600 UTC). HIGH 1034 HPA 45S/91W. PART III: FCST. NORTHEAST AREA (LAT 18 TO 30 SOUTH AND LONG 76 TO 95 WEST): WIND E/SE 10/15KT OCNL 20KT, SEA 1.0/2.5M, VIS GOOD. NORTHWEST AREA (LAT 18 TO 30 SOUTH AND LONG 95 TO 120 WEST): WIND S/SE 10/15KT OCNL 20KT, SEA 1.0/2.5M, VIS GOOD. CENTRAL EAST AREA (LAT 30 TO 45 SOUTH AND LONG 78 TO 95 WEST): WIND W/NW 15/20KT OCNL 25KT, SEA 1.0/2.5M, VIS GOOD TO AVERAGE, SH TO S OF AREA. CENTRAL WEST AREA (LAT 30 TO 45 SOUTH AND LONG 95 TO 120 WEST): WIND E/SE 12/20KT SHIFTING S OF AREA TO W/NW 15/20KT, SEA 2.0/3.0M, VIS GOOD TO AVERAGE, SH TO S OF AREA. MET104SM