1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 02, OCTOBER 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
HIGH 1018HPA 65S 79W MOV E NC
LOW 978HPA 64S 23W MOV E WKN
HIGH 64S 55W 66S 52W 69S 50W MOV E NC
011400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W 5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W 6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5535S 04156W 28X25NM D33B 5818S 04722W 21X12NM A76C 5523S 02515W 17X6NM A83 6049S 05211W 12X7NM A85 5922S 05122W 10X3NM ICEBERG1 5928S 05115W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5633S 03816W 9X6NM D33C 6143S 05357W 9X5NM ICEBERG2 5545S 04257W 5X3NM ICEBERG3 5920S 04732W 5X3NM ICEBERG4 5537S 04703W 4X3NM ICEBERG5 5649S 04529W 3X1NM ICEBERG6 5924S 05115W 3X2NM ICEBERG7 5837S 04556W 3X2NM ICEBERG8 5911S 05012W 2X1NM ICEBERG9 5945S 05104W 6X2NM 4.ICEBERGS AREA A5530S 02000W 5000S 02000W 5000S 03300W 5533S 03300W B5533S 03300W 5000S 03300W 5000S 04500W 5900S 04500W C5900S 04500W 5200S 04500W 5900S 06717W 6100S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SECTOR W 3/4 INCR SW 4/5 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4 INCR SW 5/6 BY 3/0300 VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 INCR SW 4/5 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 INCR SW 5/6 WITH GUSTS BY 3/0000 PROB OF MIST WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
GERLACHE STRAIT : SW 3 INCR SW 4 BY 3/0300 PROB OF ISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE
MARGARITA BAY : SW 3/4 VEER SECTOR W 4 BY 3/0300 PROB OF MIST DISSIPATING STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR W 3/4 BACK SECTOR S 3 BY 3/0300 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 74W: NE 4/5 BACK SECTOR N 5 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3 BACK SECTOR S 3 BY 3/0300 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 VEER SECTOR N 4/5 BY 3/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR S 5/6 VEER SECTOR W 4/5 BY 3/0600 PROB OF INTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 INCR SW 6/7 WITH GUSTS BY 3/0000 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING EVENING VIS MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-02, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 445: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 50S-55S 30W-40W FROM 03/0600
WARNING 443: LOW 978HPA AT 42S 34W MOV SE DEEPENING PROVOKES WINDS FORCE 9
AROUND ITSELF WITH GUST BETWEEN 35S-50S AND 20W-45W FROM 03/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 978HPA 42S 34W MOV SE DPN EXP BY 03/1200 ASOCIATED WITH OFNT AT 46S 29W 44S
39W 39S 39W
LOW 999HPA 49S 70W MOV E DPN EXP 48S 65W BY 03/1200
RIDGE 41S 56W 49S 57W MOV E
CFNT AT 54S 55W 54S 47W MOV E
011400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W
5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W
6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5535S 04156W 28X25NM
D33B 5818S 04722W 21X12NM A76C 5523S 02515W 17X6NM A83 6049S 05211W 12X7NM A85
5922S 05122W 10X3NM ICEBERG1 5928S 05115W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5633S 03816W 9X6NM D33C 6143S 05357W 9X5NM ICEBERG2 5545S 04257W 5X3NM
ICEBERG3 5920S 04732W 5X3NM ICEBERG4 5537S 04703W 4X3NM ICEBERG5 5649S 04529W
3X1NM ICEBERG6 5924S 05115W 3X2NM ICEBERG7 5837S 04556W 3X2NM ICEBERG8 5911S
05012W 2X1NM ICEBERG9 5945S 05104W 6X2NM 4.ICEBERGS AREA A5530S 02000W 5000S
02000W 5000S 03300W 5533S 03300W B5533S 03300W 5000S 03300W 5000S 04500W 5900S
04500W C5900S 04500W 5200S 04500W 5900S 06717W 6100S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-3
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4/5 WITH GUSTS PROB OF ISOL RAIN STORMS STARTING EARLY
MORNING VIS GOOD TO MODERATE OCNL POOR
OUTER RIO DE LA PLATA: VRB 3/4 INCR NE 6/5 WITH GUSTS BY 3/0000 PROB OF ISOL
RAIN STORMS STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: VRB 3/4 INCR NE 6/5 WITH GUSTS BY 3/0000 PROB OF RAIN
STARTING THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 PROB OF ISOL RAIN STORMS
STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6 WITH GUSTS PROB OF HVY
RAIN STORMS STARTING THE END OF THE PERIOD IMPR VIS GOOD TO MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 8/6 GUST WITH 8 INTENSITY BACK
SECTOR W BY 3/0900 PROB OF ISOL RAIN STORMS TOWARDS THE END OF THE PERIOD IMPR
VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6/5 WITH GUSTS BACK SECTOR W BY
3/0000 PROB OF ISOL RAIN STORMS TOWARDS THE END OF THE PERIOD IMPR VIS MODERATE
OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR E 6/7 GUST WITH 8 INTENSITY VEER
SECTOR S /5 WITH GUSTS BY 3/0900 PROB OF HVY RAIN VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR E 5/6 WITH GUSTS PROB OF HVY RAIN VIS
POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: VRB 4 INCR NE 5/7 GUST WITH 8 INTENSITY BY 3/0000 PROB OF
ISOL RAIN NXT DRIZZLE VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 7 GUST WITH 8 INTENSITY INCR 8
WITH GUSTS BY 02/1800 BACK W BY 3/0000 PROB OF RAIN VIS VERY POOR TO POOR
W OF 30 - E OF 40W: SECTOR W 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 3/0300 PROB OF
RAIN NXT ISOL RAIN VIS VERY POOR TO POOR OCNL MODERATE
W OF 40 - E OF 50W: SECTOR S 6/5 WITH GUSTS DECR VRB /4 BY 3/1200 PROB OF ISOL
RAIN TOWARDS NIGTH IMPR VIS MODERATE TO GOOD
REST OF THE AREA: VRB 4/3 INCR SECTOR N /6 WITH GUSTS BY 3/0300 PROB OF ISOL
RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR N 7/8 WITH
GUSTS BACK SECTOR W 8/6 WITH GUSTS BY 02/2100 PROB OF RAIN VIS VERY POOR TO
POOR
E OF 30 - S OF 45S: SECTOR E 7 GUST WITH 8 INTENSITY VEER SECTOR S 9 WITH GUSTS
BY 02/2100 VEER SECTOR W BY 3/1200 PROB OF RAIN AND SNOW MIXTURE NXT SNOW FALL
VIS VERY POOR TO POOR
W OF 30 - N OF 45S: SECTOR S 9 WITH GUSTS VEER SECTOR W BY 3/0900 PROB OF RAIN
VIS VERY POOR
REST OF THE AREA: SECTOR S 9 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE NXT SNOW
FALL VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 45W: SECTOR S 7 GUST WITH 8
INTENSITY INCR /8 WITH GUSTS BY 3/0300 PROB OF RAIN AND SNOW MIXTURE TOWARDS THE
END OF THE PERIOD IMPR VIS POOR OCNL VERY POOR TO MODERATE
REST OF THE AREA: SECTOR N 4/6 WITH GUSTS INCR /7 GUST WITH 8 INTENSITY BY
3/0600 PROB OF RAIN STARTING EVENING VIS GOOD TO MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 5 WITH GUSTS BACK
SECTOR S 6/7 GUST WITH 8 INTENSITY BY 3/0300 PROB OF SNOW FALL VIS MODERATE TO
POOR OCNL VERY POOR
W OF 30 - N OF 55S: SECTOR W 6 WITH GUSTS BACK SECTOR S 7/8 WITH GUSTS BY
3/0600 PROB OF SNOW FALL VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SECTOR S /7 GUST WITH 8 INTENSITY
BY 02/1800 PROB OF SNOW FALL VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 6/7 WITH GUSTS PROB
OF SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
W OF 50 - N OF 55S: SECTOR W 6 BACK NE BY 3/0000 PROB OF ISOL RAIN TOWARDS
NIGTH IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR S 6 DECR VRB /3 BY 02/1800 INCR SECTOR W /6 WITH GUSTS
BY 3/0600 VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 6/5 WITH GUSTS LOW PROB OF ISOL
SNOW FALL STARTING EARLY MORNING VIS MODERATE OCNL GOOD
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