047
WWST02 SABM 231200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-23, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 984HPA 51S 69W MOV E WKN EXP 54S 40W BY 24/1200
RIDGE 35S 53W 45S 50W MOV E INTSF
221400 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 5716S 04457W 28X25NM
D33B 5925S 04514W 21X12NM A76C 5429S 02624W 17X6NM A85 6055S 05330W 10X3NM
ICEBERG1 6055S 05301W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5747S 03830W 9X6NM
D33C 6146S 05424W 9X5NM ICEBERG2 5648S 04555W 5X3NM ICEBERG3 5847S 05030W 5X3NM
ICEBERG4 5752S 04906W 4X3NM ICEBERG5 5808S 04804W 3X1NM ICEBERG6 6109S 05339W
3X2NM 4.ICEBERGS AREA A5609S 02000W 5000S 02000W 5300S 02600W 5438S 02600W
B5438S 02600W 5200S 02600W 5000S 03300W 5300S 04300W 5730S 04300W C5730S 04300W
5400S 04300W 5400S 04700W 6117S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-24
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 5/4 VIS GOOD
OUTER RIO DE LA PLATA: NW 6/5 WITH GUSTS VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: NW 4/5 VIS GOOD
MAR DEL PLATA COASTS(36º17S - 38º30S): NW 7/6 WITH GUSTS DECR /5 BY 24/0900 PROB
OF ISOL RAIN TOWARDS NIGTH IMPR VIS POOR TO MODERATE
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): NW 7/6 GUST WITH 8 INTENSITY DECR 6/5
BY 24/0600 LOW PROB OF ISOL RAIN VIS MODERATE
PENINSULA DE VALDES COASTS(41ºS - 45ºS): NW 5/6 PROB OF RAIN STARTING EVENING
VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): NW 6 BACK SECTOR E /4 BY 24/0000 PROB OF
RAIN STARTING EVENING VIS MODERATE TO VERY POOR OCNL POOR
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 6 WITH GUSTS DECR 5/4 BY 24/0000 BACK NW
/3 BY 24/0900 PROB OF SH DURING THE NIGTH IMPR VIS MODERATE TO GOOD OCNL POOR
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR S 4/5 PROB OF ISOL RAIN TOWARDS NIGTH
IMPR VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: NW 4 BACK S /5 WITH GUSTS BY 24/0000 PROB OF RAIN DURING
THE EARLY MORNING IMPR VIS VERY POOR TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 7 GUST WITH 8 INTENSITY BACK
SECTOR W 5/6 WITH GUSTS PROB OF STORMS TOWARDS NIGTH IMPR VIS POOR TO GOOD
W OF 45W: SECTOR E 4 VEER NW /7 WITH GUSTS BY 23/1800 VIS GOOD TO MODERATE
REST OF THE AREA: SW 6 WITH GUSTS VEER NW 5/4 BY 24/0300 PROB OF SH DURING THE
EVENING IMPR VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: NW 7 GUST WITH 8 INTENSITY
BACK SW 6/7 WITH GUSTS BY 24/0000 PROB OF ISOL RAIN DURING THE EVENING IMPR VIS
MODERATE OCNL POOR
REST OF THE AREA: SW 6/7 WITH GUSTS VEER NW 5/7 GUST WITH 8 INTENSITY BY
24/0000 PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 6 WITH GUSTS VEER 7 GUST
WITH 8 INTENSITY BY 23/2100 PROB OF ISOL RAIN STARTING NIGTH VIS MODERATE OCNL
POOR
REST OF THE AREA: NW 7 GUST WITH 8 INTENSITY BACK SW /5 BY 24/1200 PROB OF ISOL
RAIN TOWARDS NIGTH IMPR VIS POOR TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: S 7/6 WITH GUSTS VEER NW BY
23/2100 VIS MODERATE OCNL POOR
REST OF THE AREA: NW 6/7 GUST WITH 8 INTENSITY PROB OF RAIN TOWARDS THE END OF
THE PERIOD VIS MODERATE TO VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) S OF 55S: SECTOR W 7/6 WITH GUSTS PROB
OF ISOL RAIN DURING THE EARLY MORNING IMPR VIS POOR TO MODERATE
E OF 50 - N OF 55S: NW 6/7 WITH GUSTS PROB OF RAIN STARTING NIGTH VIS MODERATE
TO VERY POOR
REST OF THE AREA: NW 6 WITH GUSTS BACK SW BY 24/0300 PROB OF RAIN TOWARDS THE
END OF THE PERIOD IMPR VIS POOR TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SW 6 WITH GUSTS VEER /7 BY 24/0600 PROB OF
RAIN AND SNOW MIXTURE STARTING NIGTH VIS MODERATE TO POOR
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