WWST02 SABM 211200 1:31:06:01:00 SECURITE WEATHER BULLETIN FOR SHIPPING - METAREA 6- 2026-09-21, 12:00 UTC. NATIONAL WEATHER SERVICE SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS. PART 1 GALE WARNING: WARNING 431: LOW 984HPA AT 45S 52W MOV E DEEPENING EXPECTED 48S 40W BY 22/1200 WILL PROVOKE WINDS FORCE 8 FROM SECTOR E BETWEEN 50S-55S 20W-50W FROM 21/1800 WARNING 430: LOW 984HPA AT 45S 52W MOV E DEEPENING EXPECTED 48S 40W BY 22/1200 PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN OUTER RIO DE LA PLATA URUGUAY SOUTH EAST COASTS MAR DEL PLATA COASTS RINCON BAHIA BLANCA COASTS BETWEEN 35S-40S AND 40W-60W WARNING 429: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST BETWEEN 35S-45S AND 20W-50W WARNING 428: LOW 984HPA AT 45S 52W MOV E DEEPENING EXPECTED 48S 40W BY 22/1200 PROVOKES WINDS FORCE 9 FROM SECTOR S WITH GUST IN PENINSULA DE VALDES COASTS CENTRAL WEST AREA (40S- 50S AND 40W- 60W) PART 2 GENERAL SYNOPSIS AT 09:00UTC 201400 UTC 1.SEA ICE LIMIT 5529S 02000W 5408S 02617W 5336S 03217W 5536S 03757W 5710S 04316W 5821S 04813W 5954S 05248W 6232S 05655W 6252S 06033W 6358S 06336W 6017S 06558W 6051S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5732S 04518W 28X25NM D33B 5927S 04527W 21X12NM A76C 5430S 02626W 17X6NM A85 6110S 05345W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5737S 03815W 9X6NM D33C 6136S 05358W 9X5NM ICEBERG1 5654S 04624W 5X3NM ICEBERG2 5910S 05042W 5X3NM ICEBERG3 5759S 04930W 4X3NM ICEBERG4 5820S 04807W 3X1NM ICEBERG5 6102S 05315W 10X3NM 4.ICEBERGS AREA A5600S 02000W 5000S 02000W 5900S 04800W 5300S 04800W 5000S 04000W B5900S 06200W 6500S 06500W 5900S 04800W 5300S 04800W LOW 981HPA 58S 23W MOV E EXTENDS CFNT AT 58S 23W 54S 22W 50S 40W MOV E LOW 984HPA 45S 52W MOV E DPN EXP 48S 40W BY 22/1200 EXTENDS CFNT AT 45S 52W 35S 49W MOV E ASOCIATED WITH WFNT AT 45S 52W 47S 48W 50S 40W PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-22 COASTAL AREAS: INNER RIO DE LA PLATA: SW 6/7 GUST WITH 8 INTENSITY VIS MODERATE OUTER RIO DE LA PLATA: SW 7/8 GUST WITH 8 INTENSITY PROB OF ISOL SH VIS MODERATE OCNL POOR URUGUAY SOUTH EAST COASTS: SW 6/7 GUST WITH 8 INTENSITY INCR 7/8 WITH GUSTS BY 21/2100 PROB OF ISOL SH STARTING NIGTH VIS MODERATE OCNL POOR MAR DEL PLATA COASTS(36�17S - 38�30S): SW 7/8 WITH GUSTS DECR 7/6 WITH GUSTS BY 22/0300 PROB OF ISOL SH IMPR TOWARDS NIGTH VIS POOR TO GOOD RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SW 8 WITH GUSTS DECR 7/5 WITH GUSTS BY 21/2100 PROB OF ISOL SH IMPR TOWARDS EVENING VIS POOR TO GOOD PENINSULA DE VALDES COASTS(41�S - 45�S): S 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 21/2100 PROB OF ISOL SH IMPR TOWARDS MORNING VIS POOR TO GOOD GOLFO DE SAN JORGE COASTS(45�S - 48�S): S 7/6 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY 22/0000 VEER W 4 BY 22/0600 VIS MODERATE TO GOOD SOUTH PATAGONIA COASTS(48�S - 54�S): S 6/5 WITH GUSTS VEER W 4 BY 22/0300 VIS MODERATE TO GOOD FIN DEL MUNDO COASTS(54�S - 55�S): S 5 VEER SECTOR W BY 21/2100 VIS MODERATE TO GOOD ISLAS MALVINAS COASTS: S 6/5 WITH GUSTS VIS MODERATE TO GOOD OCEANIC AREAS: NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: N 8 WITH GUSTS PROB OF HVY STORMS VIS VERY POOR TO POOR REST OF THE AREA: W 7 WITH GUSTS INCR 8 WITH GUSTS BY 21/1800 BACK SW BY 22/0000 PROB OF SH STARTING NIGTH VIS MODERATE OCNL POOR CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 6/7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 22/0000 PROB OF HVY RAIN VIS MODERATE TO VERY POOR REST OF THE AREA: NW 8 WITH GUSTS PROB OF RAIN VIS POOR OCNL VERY POOR CENTRAL WEST AREA (40S- 50S AND 40W- 60W): NE 6/7 GUST WITH 8 INTENSITY VEER SECTOR S 8 WITH GUSTS BY 22/0000 PROB OF HVY RAIN VIS VERY POOR SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR S 6/5 WITH GUSTS BACK E 8 BY 21/2100 PROB OF SNOW FALL VIS VERY POOR REST OF THE AREA: SW 6/5 WITH GUSTS VEER NW WITH GUSTS BY 22/0300 VIS MODERATE SOUTH WEST AREA (50S- 60S AND 40W- 60W) S OF 55S: SECTOR W 6/7 WITH GUSTS PROB OF ISOL SNOW FALL STARTING EARLY MORNING VIS MODERATE OCNL POOR E OF 30 - N OF 55S: SE 7 WITH GUSTS INCR 8 WITH GUSTS BY 21/1800 LOW PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR REST OF THE AREA: SECTOR S 7/6 WITH GUSTS VIS MODERATE DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS PROB OF ISOL SNOW FALL STARTING NIGTH VIS MODERATE OCNL POOR ----------------------------------------------------------------- NNNN=