1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 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 21:00UTC
HIGH 1018HPA 65S 81W MOV E WKN
HIGH 1013HPA 65S 59W MOV E WKN
LOW 982HPA 68S 29W MOV E DPN
TROUGH 60S 43W 63S 37W 65S 32W MOV E DPN
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SW 3/4 VEER SECTOR W 3 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 5/6 WITH GUSTS DECR SECTOR S 5/4 BY 2/1500 PROB OF MIST DISSIPATING STARTING EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 DECR SW 4/3 BY 2/1500 PROB OF MIST DISSIPATING STARTING EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 6/7 WITH GUSTS DECR SW 4 BY 2/1200 AFTERWARDS NW 3 BY 2/1800 VIS GOOD
GERLACHE STRAIT : SW 3/4 INCR SW 4/5 BY 2/1800 PROB OF MIST DISSIPATING DURING THE EVENING VIS MODERATE TO GOOD
MARGARITA BAY : SW 4/5 DECR SW 4/3 BY 2/1500 PROB OF FOG AND MIST IN PATCHES DISSIPATING DURING THE EVENING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SECTOR S 5/6 WITH GUSTS DECR SECTOR W 3/4 BY 2/0900 AFTERWARDS SECTOR S 3 BY 2/2100 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR E 5/6 WITH GUSTS BACK NE 5/6 WITH GUSTS BY 2/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: VRB 3 INCR NW 4 BY 2/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SECTOR W 4 BY 2/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE
NORTHERN WEDDELL SEA E OF 35W: SECTOR S 5/6 DECR SW 5/4 BY 2/1500 PROB OF INTERMITTENT SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 BACK SECTOR S 4 BY 2/1800 PROB OF INTERMITTENT SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/6 WITH GUSTS DECR SW 4/5 BY 2/1200 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-2, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 443: LOW 984HPA AT 42S 38W MOV SE DEEPENING EXPECTED 50S 20W BY 03/0000
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-50S AND 20W-45W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
LOW 984HPA 42S 38W MOV SE DPN EXP 50S 20W BY 03/0000 EXTENDS CFNT AT 39S 29W 33S
28W ASOCIATED WITH OFNT AT 39S 29W 44S 35W 43S 43W 40S 44W
HIGH 1020HPA 44S 60W MOV NE NC EXP 35S 45W BY 03/0000 EXTENDS RIDGE AT 44S 60W
50S 59W 57S 60W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4/3 BACK SECTOR E 3/4 BY 2/1800 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR S 4/3 WITH GUSTS BACK SECTOR E 3/5 WITH GUSTS BY
2/2100 WORSENING WITH PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD
TO MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 5/4 WITH GUSTS DECR VRB 3 BY 2/1500 INCR
SECTOR E 3/4 BY 2/2100 LOW PROB OF ISOL DRIZZLE RAIN IMPR TOWARDS NOON VIS GOOD
OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 4 DECR VRB 3 BY 2/0900 INCR NE
4/5 WITH GUSTS BY 2/1500 PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS GOOD
OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3 INCR SECTOR N 5 WITH GUSTS BY
2/1200 WORSENING WITH PROB OF SH RAIN STARTING EVENING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 WITH GUSTS INCR 6 GUST
WITH 8 INTENSITY BY 2/1200 PROB OF SH RAIN TOWARDS EVENING NEXT ISOL RAIN STORMS
VIS GOOD TO MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 WITH GUSTS INCR 6 GUST WITH
8 INTENSITY BY 2/1200 PROB OF SH RAIN TOWARDS EVENING NEXT ISOL RAIN STORMS VIS
GOOD TO MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): NE 6 WITH GUSTS VEER SECTOR E 6/5 WITH
GUSTS BY 2/2100 PROB OF SH RAIN VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4 VEER SECTOR E 5 BY 2/1800 PROB OF
DRIZZLE RAIN VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: VRB 3 INCR NE 5 WITH GUSTS PROB OF DRIZZLE NEXT SH RAIN
VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 8 WITH GUSTS VEER SECTOR W
WITH GUSTS BY 2/1500 PROB OF RAIN STORMS NEXT SH RAIN VIS POOR OCNL VERY POOR
E OF 45W: SECTOR W 8 WITH GUSTS BACK SW 7 GUST WITH 8 INTENSITY BY 2/1800 PROB
OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VEER SW 4 BY 2/1200 DECR VRB 3 PROB
OF SH RAIN IMPR STARTING NOON VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR E 8 WITH
GUSTS BACK NW WITH GUSTS BY 2/1200 BACK W WITH GUSTS BY 2/2100 PROB OF HVY RAIN
STORMS NEXT SH VIS VERY POOR
E OF 30 - S OF 45S: SECTOR E 8 WITH GUSTS VEER SW 8 WITH GUSTS BY 2/1800 PROB
OF HVY RAIN NEXT RAIN AND SNOW MIXTURE VIS VERY POOR
W OF 30 - N OF 45S: SW 8 WITH GUSTS PROB OF SH RAIN NEXT SH OF SNOW SNOW FALL
VIS VERY POOR
REST OF THE AREA: S 8 WITH GUSTS VEER SW WITH GUSTS BY 2/1800 PROB OF SH RAIN
NEXT SH OF SNOW SNOW FALL VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 45W: SECTOR S 8 WITH GUSTS VEER
SW 6 GUST WITH 8 INTENSITY BY 2/0900 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL
MODERATE
E OF 55W: SECTOR S 5 WITH GUSTS VEER SW 4 WITH GUSTS PROB OF SH RAIN SPELLS OF
GOOD WEATHER VIS POOR TO MODERATE
REST OF THE AREA: VRB 3 INCR NE 5/6 GUST WITH 8 INTENSITY BY 2/1500 WORSENING
WITH PROB OF SH RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 4 BACK SW 5/6 GUST
WITH 8 INTENSITY BY 2/2100 PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR
REST OF THE AREA: VRB 5 INCR SECTOR S 6 GUST WITH 8 INTENSITY BY 2/1500 PROB OF
ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 5/6 GUST WITH 8 INTENSITY
PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
W OF 50 - S OF 55S: SW 6/5 WITH GUSTS BACK SECTOR S 5 BY 2/0900 DECR VRB 3 BY
2/1800 LOW PROB OF ISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE OCNL
GOOD
REST OF THE AREA: SECTOR W 4 BACK SECTOR E 3/4 BY 2/1800 BACK NE 4/5 BY 2/2100
PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 4 BACK NE 4/5 PROB OF ISOL DRIZZLE
VIS MODERATE
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