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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