1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-13, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 452: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W)
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1029HPA 47S 50W NOT MOV INTSF
LOW 1009HPA 57S 66W MOV SE WKN EXTENDS CFNT57S 66W 50S 63W MOV E
CFNT AT 47S 20W 46S 29W 50S 38W MOV SE
121400 UTC 1.SEA ICE LIMIT 5335S 02000W 5330S 02618W 5416S 03217W 5556S 03758W
5713S 04316W 5919S 04814W 6103S 05248W 5940S 05654W 5924S 06033W 6010S 06336W
6123S 06559W 6150S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5509S 03952W 28X25NM
D33B 5718S 04748W 21X12NM A83 6020S 05031W 12X7NM A85 5838S 05044W 10X3NM
ICEBERG1 5829S 04852W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5611S 03843W 9X6NM
D33C 6138S 05355W 9X5NM ICEBERG2 5315S 04101W 5X3NM ICEBERG3 5828S 04656W 5X3NM
ICEBERG4 5550S 04432W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W
3X2NM ICEBERG7 5917S 04914W 2X1NM ICEBERG8 5926S 04709W 6X2NM ICEBERG9 5807S
04658W 2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S
04159W B5706S 04159W 5000S 04000W 5800S 06716W 6052S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3 VEER SECTOR S BY 14/0600 PROB OF ISOL DRIZZLE
RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR E 4 VEER SECTOR S 3 BY 14/0600 PROB OF MIST
DRIZZLE PROB OF SH TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 3 VEER SECTOR S BY 14/0900 PROB OF DRIZZLE
VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3/4 VEER SECTOR S BY 14/0300
PROB OF MIST DRIZZLE NXT PROB OF SH TOWARDS THE END OF THE PERIOD VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 VEER E BY 14/0900 PROB
OF MIST DRIZZLE VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4 DECR 3 BY 14/0600 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4 BACK SE 4 BY 13/1800 VEER VRB
3 BY 14/0000 PROB OF SH STARTING NIGTH VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): VRB 3/4 VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 VEER VRB 3 BY 14/0000 PROB OF
DRIZZLE RAIN STARTING NIGTH VIS GOOD
ISLAS MALVINAS COASTS: SECTOR N 4 BACK SECTOR W 3 BY 14/0000 PROB OF DRIZZLE
RAIN IMPR GRADUALLY VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 4 VIS GOOD
REST OF THE AREA: SECTOR E 5/6 PROB OF DRIZZLE SPELLS OF GOOD WEATHER VIS
MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 5/6 BACK SECTOR S BY 13/1800 INCR
6/7 GUST WITH 8 INTENSITY BY 14/1200 VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): VRB 3/4 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 5 VEER SW 5/6 WITH GUSTS BY
13/1800 INCR 7/8 BY 14/0000 VIS MODERATE TO VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): VRB 3/4 VEER SECTOR N BY 13/1800 VIS
GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): NE 4 VEER SECTOR W BY 14/0000 PROB OF
DRIZZLE RAIN NEXT IMPR STARTING NIGTH VIS MODERATE TO GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1230/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 68S-70S 77W-70W FROM 13/0300 UNTIL 14/0500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 65S 66W 63S 62W 61S 57W MOV E NC
TROUGH 61S 45W 63S 45W 66S 44W MOV E NC
TROUGH 70S 42W 73S 42W 75S 43W MOV E NC
121400 UTC 1.SEA ICE LIMIT 5335S 02000W 5330S 02618W 5416S 03217W 5556S 03758W 5713S 04316W 5919S 04814W 6103S 05248W 5940S 05654W 5924S 06033W 6010S 06336W 6123S 06559W 6150S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5509S 03952W 28X25NM D33B 5718S 04748W 21X12NM A83 6020S 05031W 12X7NM A85 5838S 05044W 10X3NM ICEBERG1 5829S 04852W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5611S 03843W 9X6NM D33C 6138S 05355W 9X5NM ICEBERG2 5315S 04101W 5X3NM ICEBERG3 5828S 04656W 5X3NM ICEBERG4 5550S 04432W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W 3X2NM ICEBERG7 5917S 04914W 2X1NM ICEBERG8 5926S 04709W 6X2NM ICEBERG9 5807S 04658W 2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W B5706S 04159W 5000S 04000W 5800S 06716W 6052S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 3/4 DECR NW 3/4 BY 14/0600 PROB OF ISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 3/4 BACK NW 3/4 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NE 3/4 BACK SECTOR N 3/4 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 4/5 BACK NW 5/6 WITH GUSTS BY 14/0000 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 5/6 WITH GUSTS BACK SECTOR N 5/4 BY 14/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE MORNING VIS POOR TO MODERATE
MARGARITA BAY : NW 7/6 WITH GUSTS BACK SECTOR N 5/6 WITH GUSTS BY 14/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SECTOR N 5/6 WITH GUSTS DECR NW 4/3 BY 14/0000 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 75W: SECTOR N 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 14/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 4/5 INCR SECTOR N 5/6 WITH GUSTS BY 14/0300 PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 8/6 WITH GUSTS BACK SECTOR N 8/7 WITH GUSTS BY 14/0300 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS VERY POOR TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR W 3/4 VEER NW 4/5 BY 14/0300 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/7 WITH GUSTS VEER SECTOR W 4/3 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 VEER SECTOR W 4/5 BY 14/0300 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE=