1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-09, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 414: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W
BETWEEN 50S-55S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 984HPA 55S 40W MOV E EXTENDS CFNT AT 55S 40W 47S 50W 51S 60W ASOCIATED WITH
OFNT AT 55S 40W 57S 49W 55S 58W
LOW 987HPA 58S 56W MOV NE DPN55S 45W EXP BY 10/1200
081400 UTC 1.SEA ICE LIMIT 5557S 02000W 5414S 02618W 5311S 03217W 5651S 03758W
5713S 04316W 5909S 04815W 6006S 05247W 6223S 05655W 6210S 06032W 6003S 06337W
6117S 06600W 6133S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5738S 04735W 28X25NM
D33B 5849S 05058W 21X12NM A76C 5352S 02625W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D32 5736S 03839W 9X6NM D33C 6139S 05333W 9X5NM ICEBERG1 5921S 04700W 5X3NM
ICEBERG2 6017S 05234W 5X3NM ICEBERG3 5917S 05050W 6X4NM ICEBERG4 5951S 05008W
2X1NM 4.ICEBERGS AREA A5626S 02000W 4900S 02000W 5400S 04000W 5817S 4000S B5817S
04000W 5501S 04000W 5757S 04656W 6102S 6716W 6923S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-10
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 FOG PATCHES DURING THE MORNING DISSIPATING VIS
GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3 FOG PATCHES DURING THE MORNING DISSIPATING VIS
GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 3 FOG PATCHES DURING THE MORNING DISSIPATING
VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 4/3 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4/5 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 6/7 WITH GUSTS BACK SECTOR S WITH
GUSTS BY 10/0000 PROB OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS BACK SECTOR S WITH
GUSTS BY 09/1800 PROB OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS BACK SECTOR S WITH GUSTS BY
10/0300 PROB OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: VRB 4 PROB OF SH RAIN TOWARDS THE
END OF THE PERIOD IMPR VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 4/5 WITH GUSTS PROB OF SH RAIN VIS GOOD OCNL
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 6/5 WITH GUSTS PROB OF ISOL
RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 5 WITH GUSTS SH RAIN SPELLS
OF GOOD WEATHER VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 8 WITH GUSTS DECR 8/5
BY 10/0000 RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR
REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SECTOR S BY 09/1500 LOW PROB OF
ISOL RAIN VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 5/6 WITH GUSTS PROB
OF RAIN AND SNOW MIXTURE VIS MODERATE
REST OF THE AREA: SECTOR E 5 WITH GUSTS VEER SECTOR S /6 WITH GUSTS BY 10/0000
LOW PROB OF ISOL RAIN VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 4/5 WITH GUSTS RAIN AND SNOW
MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 09, SEPTEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 973HPA 67S 31W MOV E WKN
HIGH 1004HPA 67S 63W MOV E INTSF
RIDGE 65S 90W 63S 86W 60S 85W MOV NE INTSF
081400 UTC 1.SEA ICE LIMIT 5557S 02000W 5414S 02618W 5311S 03217W 5651S 03758W 5713S 04316W 5909S 04815W 6006S 05247W 6223S 05655W 6210S 06032W 6003S 06337W 6117S 06600W 6133S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5738S 04735W 28X25NM D33B 5849S 05058W 21X12NM A76C 5352S 02625W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D32 5736S 03839W 9X6NM D33C 6139S 05333W 9X5NM ICEBERG1 5921S 04700W 5X3NM ICEBERG2 6017S 05234W 5X3NM ICEBERG3 5917S 05050W 6X4NM ICEBERG4 5951S 05008W 2X1NM 4.ICEBERGS AREA A5626S 02000W 4900S 02000W 5400S 04000W 5817S 4000S B5817S 04000W 5501S 04000W 5757S 04656W 6102S 6716W 6923S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR E 5/4 WITH GUSTS VEER SE 4 BY 10/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 6/5 WITH GUSTS VEER SECTOR S 5/4 BY 10/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR E 4/5 WITH GUSTS VEER SE 4 BY 10/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 6/5 WITH GUSTS VEER SECTOR S 5/4 BY 10/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SECTOR E 3/4 VEER SE 4 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
MARGARITA BAY : SE 3/4 BACK SECTOR E 4 BY 10/0000 PROB OF MIST VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SECTOR S 4/5 VEER SW 4 BY 09/1800 PROB OF MIST LOW PROB OFINTERMITTENT FOG WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR S 4/5 VEER SW 4/3 BY 09/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 VEER SECTOR W 4 BY 09/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 BACK SW 5 BY 10/0300 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SW 4/5 VEER SECTOR W 4/5 BY 10/0300 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 5/4 BACK SE 4/3 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 4 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR=