343  
WWST02 SABM 250000  
1:31:06:01:00  
SECURITE  
WEATHER BULLETIN FOR SHIPPING - METAREA 6-  
2026-09-25, 00:00 UTC.  
NATIONAL WEATHER SERVICE  
SEA ICE AND ICEBERGS ISSUED BY SHN  
PRESSURE HPA  
BEAUFORT SCALE WINDS.  
PART 1 GALE WARNING:  
WARNING 437: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W  
WITH GUST BETWEEN 55S-60S 30W-50W UNTIL 25/2100  
WARNING 436: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 WITH GUST IN  
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) BETWEEN 40S-45S AND 40W-50W  
WARNING 435: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 WITH GUST  
BETWEEN 50S-55S AND 20W-30W UNTIL 25/0600  
 
PART 2 GENERAL SYNOPSIS AT 21:00UTC  
241400 UTC 1.SEA ICE LIMIT 5534S 02000W 5352S 02618W 5434S 03217W 5642S 03758W  
5716S 04316W 5835S 04813W 6034S 05247W 5853S 05655W 5837S 06033W 5902S 06337W  
5941S 06559W 6030S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5659S 04428W 28X25NM  
D33B 5919S 04527W 21X12NM A76C 5426S 02628W 17X6NM A85 6036S 05239W 10X3NM  
ICEBERG1 6048S 05238W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5736S 03900W 9X6NM  
D33C 6155S 05433W 9X5NM ICEBERG2 5633S 04508W 5X3NM ICEBERG3 5831S 04922W 5X3NM  
ICEBERG4 5723S 04826W 4X3NM ICEBERG5 5747S 04748W 3X1NM ICEBERG6 6054S 05305W  
3X2NM 4.ICEBERGS AREA A5610S 02000W 5000S 02000W 5000S 03500W 5610S 03500W  
B5610S 03500W 5000S 03500W 5400S 05000W 5930S 05000W C5930S 05000W 5400S 05000W  
5900S 06716W 6045S 06716W  
HIGH 1023HPA 36S 27W MOV E NC  
CFNT AT 60S 24W 52S 30W 48S 39W 45S 50W MOV E  
CFNT AT 60S 54W 59S 61W 59S 68W MOV NE NC  
HIGH 1000HPA 49S 60W MOV NE WKN  
LOW 996HPA 43S 58W MOV SE NC EXP 50S 30W BY 26/0000 EXTENDS CFNT AT  
 
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-26  
COASTAL AREAS:  
INNER RIO DE LA PLATA: NW 4 WITH GUSTS VEER VRB 3 LOW PROB OF ISOL RAIN DURING  
THE MORNING VIS GOOD OCNL MODERATE  
OUTER RIO DE LA PLATA: NW 4 WITH GUSTS BACK SECTOR S 3/4 PROB OF ISOL RAIN  
DURING THE MORNING VIS GOOD OCNL MODERATE  
URUGUAY SOUTH EAST COASTS: NW 4 BACK W 3 LOW PROB OF ISOL RAIN DURING THE  
EVENING VIS GOOD OCNL MODERATE  
MAR DEL PLATA COASTS(36º17S - 38º30S): NW 4 BACK SECTOR S 3 PROB OF ISOL RAIN  
DURING THE MORNING VIS GOOD OCNL MODERATE  
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR W 5 WITH GUSTS BACK SW 4 WITH  
GUSTS PROB OF RAIN DURING THE EARLY MORNING NEXT IMPR VIS MODERATE TO GOOD  
PENINSULA DE VALDES COASTS(41ºS - 45ºS): VRB 3 BACK SW 6/7 GUST WITH 8 INTENSITY  
BACK S 4 PROB OF SH RAIN VIS MODERATE OCNL POOR  
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): VRB 4 BACK SW 5/4 PROB OF SH RAIN  
STARTING EVENING IMPR VIS MODERATE TO GOOD  
SOUTH PATAGONIA COASTS(48ºS - 54ºS): W 4 WITH GUSTS BACK SW 5 WITH GUSTS VIS  
GOOD OCNL MODERATE  
FIN DEL MUNDO COASTS(54ºS - 55ºS): W 5 WITH GUSTS BACK SW 5 WITH GUSTS PROB OF  
DRIZZLE RAIN VIS MODERATE  
ISLAS MALVINAS COASTS: W 5 WITH GUSTS BACK SW 5/4 WITH GUSTS LOW PROB OF ISOL  
DRIZZLE VIS MODERATE OCNL GOOD  
 
OCEANIC AREAS:  
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: VRB 3 VEER NW 5 WITH GUSTS VIS  
GOOD  
E OF 45W: NW 6/7 GUST WITH 8 INTENSITY WORSENING WITH PROB OF ISOL RAIN STORMS  
TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR  
REST OF THE AREA: NW 6 WITH GUSTS BACK W 5 WITH GUSTS LOW PROB OF ISOL RAIN VIS  
MODERATE  
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 7/8 WITH GUSTS PROB OF SH  
RAIN VIS POOR  
E OF 30 - S OF 45S: NW 8 WITH GUSTS PROB OF SH RAIN VIS POOR  
REST OF THE AREA: NW 7/8 WITH GUSTS BACK SW 5 WITH GUSTS PROB OF SH RAIN VIS  
POOR TO MODERATE  
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: NW 8 WITH GUSTS  
DECR 6 WITH GUSTS BACK W 5 WITH GUSTS PROB OF RAIN STORMS VIS POOR TO MODERATE  
S OF 45S: SE 3 VEER SW 4/5 WITH GUSTS PROB OF ISOL DRIZZLE VIS MODERATE  
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS PROB OF  
SH RAIN VIS MODERATE OCNL POOR  
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: NW 9 WITH GUSTS DECR  
6/5 WITH GUSTS PROB OF SH RAIN DURING THE MORNING IMPR VIS POOR TO MODERATE  
W OF 30 - N OF 55S: SECTOR W 6 GUST WITH 8 INTENSITY WORSENING WITH PROB OF  
SNOW FALL TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR  
E OF 30 - S OF 55S: NW 6 GUST WITH 8 INTENSITY PROB OF ISOL SNOW FALL VIS  
MODERATE OCNL POOR  
REST OF THE AREA: SECTOR W 7/8 WITH GUSTS DECR 6 GUST WITH 8 INTENSITY PROB OF  
ISOL SNOW FALL VIS POOR  
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6 GUST WITH 8  
INTENSITY PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR  
E OF 50 - S OF 55S: SECTOR W 8 WITH GUSTS BACK SW 6 WITH GUSTS PROB OF ISOL  
SNOW FALL VIS POOR TO MODERATE  
REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY PROB OF ISOL SNOW FALL VIS  
MODERATE OCNL POOR  
DRAKE AREA (55S- 60S AND 60W- 67W): SW 7/6 GUST WITH 8 INTENSITY PROB OF RAIN  
AND SNOW MIXTURE VIS MODERATE OCNL POOR  
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