100
WWST02 SABM 241200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-24, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 436: STRONG BARIC GRADIENT MOV E EXPECTED CENTRAL EAST AREA (40S- 50S
AND 20W- 40W) BY 24/1500 PROVOKES WINDS FORCE 8 WITH GUST BETWEEN 40S-50S AND
30W-40W
WARNING 435: STRONG BARIC GRADIENT MOV E EXPECTED SOUTH EAST AREA (50S- 60S AND
20W- 40W) BY 24/1500 PROVOKES WINDS FORCE 8 WITH GUST BETWEEN 50S-55S AND
30W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
231400 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 5705S 04438W 28X25NM
D33B 5922S 04518W 21X12NM A76C 5427S 02626W 17X6NM A85 6045S 05251W 10X3NM
ICEBERG1 6051S 05243W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5740S 03856W 9X6NM
D33C 6151S 05432W 9X5NM ICEBERG2 5634S 04517W 5X3NM ICEBERG3 5835S 04955W 5X3NM
ICEBERG4 5728S 04849W 4X3NM ICEBERG5 5758S 04755W 3X1NM ICEBERG6 6101S 05327W
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
STRONG BARIC GRADIENT 40S 55W 30S 40W MOV E
LOW 969HPA 55S 40W MOV E DPN EXTENDS CFNT AT 55S 39W 49S 45W 46S 56W MOV NE
LOW 993HPA 45S 71W MOV NE EXP 45S 60W BY 25/1200 EXTENDS CFNT AT 44S 64W 41S 64W
37S 73W MOV NE
HIGH 1023HPA 33S 36W MOV NE EXP 35S 20W BY 25/0000
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-25
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/3 PROB OF MIST FOG PATCHES STARTING EARLY
MORNING VIS GOOD TO MODERATE
OUTER RIO DE LA PLATA: SECTOR N 5/3 PROB OF MIST FOG PATCHES STARTING EARLY
MORNING VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 5/3 PROB OF MIST FOG PATCHES STARTING EARLY
MORNING VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 5/3 WITH GUSTS BACK SW 3/4 PROB
OF RAIN STORMS IMPR VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): NW 5 BACK SECTOR W PROB OF RAIN
STORMS IMPR VIS MODERATE OCNL GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): VRB 4 BACK SECTOR W 4/5 WITH GUSTS PROB
OF SH RAIN VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR E 3 BACK SECTOR W 5/6 WITH GUSTS
PROB OF RAIN SNOW FALL VIS POOR
SOUTH PATAGONIA COASTS(48ºS - 54ºS): VRB 4 BACK SW 5 WITH GUSTS PROB OF ISOL
RAIN VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 5 WITH GUSTS PROB OF SNOW FALL VIS
POOR OCNL MODERATE
ISLAS MALVINAS COASTS: SECTOR W 4/5 WITH GUSTS PROB OF ISOL SNOW FALL VIS POOR
OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SW 5/3 BACK NW 4 PROB OF SH IMPR
VIS MODERATE TO GOOD
REST OF THE AREA: NW 5/6 WITH GUSTS PROB OF RAIN SPELLS OF GOOD WEATHER VIS
MODERATE OCNL GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 5 VEER NW 7/8 WITH
GUSTS PROB OF SH RAIN VIS POOR OCNL MODERATE
REST OF THE AREA: NW 8/7 WITH GUSTS PROB OF SH RAIN VIS POOR OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) NE OF THE REGION: NW 7/6 WITH GUSTS
PROB OF HVY SH RAIN VIS POOR
SE OF THE REGION: NW 7/6 WITH GUSTS BACK SECTOR E 4/3 PROB OF HVY SH RAIN VIS
POOR
NW OF THE REGION: SECTOR W 7/5 WITH GUSTS PROB OF SH RAIN VIS POOR OCNL
MODERATE
REST OF THE AREA: SECTOR S 4/3 BACK SECTOR E 3 PROB OF RAIN AND SNOW MIXTURE
VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 7/8 WITH GUSTS PROB OF SNOW
FALL VIS POOR
NW OF THE REGION: NW 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS PROB OF SNOW FALL
VIS POOR
REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 7/8 WITH GUSTS PROB OF SNOW
FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 7 WITH GUSTS PROB OF SNOW FALL
VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): W 7 WITH GUSTS BACK SW WITH GUSTS PROB OF
SNOW FALL VIS POOR
-----------------------------------------------------------------
NNNN=
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page