1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-29, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 461: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 WITH GUST IN SOUTH
EAST AREA (50S- 60S AND 20W- 40W) FROM 30/0900
WARNING 460: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS ISLAS MALVINAS COASTS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1018HPA 37S 58W MOV NE NC EXTENDS CFNT AT 37S 58W 35S 55W 33S 58W MOV NE
HIGH 1022HPA 45S 57W MOV NE INTSF EXP 42S 49W BY 30/1200 EXTENDS RIDGE AT 35S
43W 38S 39W 45S 57W MOV NE
LOW 1001HPA 52S 37W MOV NE WKN EXTENDS CFNT AT 52S 37W 50S 38W 48S 38W MOV NE
281400 UTC 1.SEA ICE LIMIT 5317S 02000W 5225S 02618W 5246S 03217W 5533S 03757W
5638S 04317W 5850S 04815W 6050S 05247W 6157S 05655W 6701S 06032W 6219S 06336W
6309S 06558W 6407S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5521S 03650W 28X25NM
D33B 5559S 04221W 21X12NM D35 6006S 04422W 15X6 NM A83 5936S 04930W 12X7NM A85
5721S 04752W 10X3NM ICEBERG1 5700S 04722W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5629S 03908W 9X6NM D33C 6157S 05433W 9X5NM ICEBERG2 5106S 04019W 5X3NM
ICEBERG3 5729S 04654W 5X3NM ICEBERG4 5343S 04314W 4X1NM ICEBERG5 5604S 04148W
2X1NM ICEBERG6 5857S 04903W 2X1NM ICEBERG7 5825S 04348W 2X1NM ICEBERG8 5755S
04529W 6X2NM ICEBERG9 5957S 04342W 2X1NM ICEBERG10 5954S 04206W 4X1NM ICEBERG11
6037S 05240W 4X1NM ICEBERG12 5426S 04330W 2X1NM ICEBERG13 6219S 06237W 4X1NM
4.ICEBERGS AREA A5541S 02000W 5000S 02000W 5000S 03455W 5611S 03500W B5611S
03500W 4800S 03505W 4755S 04458W 5946S 04504W C5946S 04504W 5400S 04505W 6055S
06716W 6537S 067016W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-30
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 TEMPO VEER SECTOR E 4 MIST DISSIPATING PROB
OFHVY RAIN STORMS SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3 VEER SECTOR E 4/5 WITH GUSTS BACK SECTOR N 4
MIST FOG PATCHES DISSIPATING PROB OFHVY RAIN STORMS SPELLS OF GOOD WEATHER VIS
MODERATE
URUGUAY SOUTH EAST COASTS: NW 3/4 PROB OF ISOL RAIN STORMS SPELLS OF GOOD
WEATHER VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 3 BACK NE 3/4 PROB OF ISOL RAIN STORMS
SPELLS OF GOOD WEATHER VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 LOW PROB OF ISOL SH RAIN
VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/6 WITH GUSTS PROB OF DRIZZLE
TOWARDS EVENING IMPR VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 8/6 WITH GUSTS BACK SECTOR S 4
VIS GOOD TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 8/6 WITH GUSTS BACK SECTOR W 6
PROB OF SH RAIN STARTING NIGTH VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/4 WITH GUSTS BACK SECTOR W 6 PROB
OF RAIN STARTING EVENING VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR N 8/6 WITH GUSTS BACK SECTOR W 6 PROB OF SH RAIN
STARTING EARLY MORNING VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4/5 WITH GUSTS PROB OF
ISOL SH RAIN VIS MODERATE
E OF 50W: SECTOR S 4 PROB OF ISOL SH RAIN VIS MODERATE
REST OF THE AREA: SECTOR E 3 BACK SECTOR N 3 PROB OF ISOL RAIN VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 5/4 WITH GUSTS BACK SECTOR S
4 BACK SECTOR E 3 PROB OF ISOL SH RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5 WITH GUSTS BACK
SECTOR S 4/4 WITH GUSTS PROB OF SH RAIN TOWARDS THE END OF THE PERIOD IMPR VIS
GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 3 VEER SECTOR N 4/6 LOW PROB OF DRIZZLE SPELLS OF
GOOD WEATHER VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 4/3 VEER SECTOR W 6/8 WITH GUSTS
PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 4/3 VEER NW 5/6 GUST WITH 8
INTENSITY PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
REST OF THE AREA: NW 5/6 GUST WITH 8 INTENSITY PROB OF ISOL RAIN TOWARDS THE
END OF THE PERIOD VIS GOOD TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/5 WITH GUSTS BACK SECTOR W 4 PROB
OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE
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