1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 10, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1224/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 65S-68S 60W-50W UNTIL 10/1800
1225/2026 LOW 962HPA NORTHERN WEDDELL SEA MOV E INTENSIFYING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 60S-68S 50W-35W FROM 10/1200 UNTIL 11/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 62S 71W 63S 75W 65S 79W MOV E NC
LOW 964HPA 68S 48W MOV E DPN
TROUGH 67S 40W 65S 38W 63S 36W MOV E NC
091400 UTC 1.SEA ICE LIMIT 5435S 02000W 5341S 02617W 5617S 03218W 5648S 03757W 5721S 04317W 5908S 04813W 6128S 05247W 6234S 05655W 6217S 06033W 5929S 06336W 5949S 06559W 6112S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5458S 04030W 28X25NM D33B 5746S 04812W 21X12NM A83 6017S 05059W 12X7NM A85 5842S 05059W 10X3NM ICEBERG1 5830S 04951W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5616S 03850W 9X6NM D33C 6143S 05354W 9X5NM ICEBERG2 5403S 04059W 5X3NM ICEBERG3 5851S 04635W 5X3NM ICEBERG4 5525S 04519W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5817S 05009W 3X2NM ICEBERG7 5919S 04844W 2X1NM ICEBERG8 5854S 04744W 6X2NM ICEBERG9 5837S 04701W 2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W B5706S 04159W 5000S 04000W 5800S 06600W 6052S 06600W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-11
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 VEER NW 4/5 BY 11/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 6/7 WITH GUSTS DECR SECTOR W 3/4 BY 11/0000 AFTERWARDS NW 5/6 WITH GUSTS BY 11/0900 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 INCR NW 4/5 BY 11/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 6/7 WITH GUSTS DECR SECTOR W 4/5 BY 11/0300 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
GERLACHE STRAIT : SW 4/5 VEER SECTOR N 4/3 BY 11/0000 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 11/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : SECTOR W 5/6 WITH GUSTS VEER SECTOR N 4/3 BY 11/0000 AFTERWARDS NE 6/7 WITH GUSTS BY 11/0900 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE EVENING VIS POOR TO MODERATE OCNL VERY POOR
EREBUS Y TERROR GULF : SW 7/8 WITH GUSTS DECR SW 3/4 BY 10/2100 AFTERWARDS SECTOR N 3/4 BY 11/0900 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 75W: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY 11/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/4 INCR SECTOR N 5/6 WITH GUSTS BY 11/0000 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 11/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 INCR NE 5/6 WITH GUSTS BY 11/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS POOR TO MODERATE
NORTHERN WEDDELL SEA W OF 30W: SW 7/8 WITH GUSTS DECR SW 4/5 BY 11/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 INCR SECTOR S 7/8 WITH GUSTS BY 11/0300 AFTERWARDS SECTOR S 6/5 WITH GUSTS BY 11/0900 PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SW 4/3 BY 11/0300 PROB OF MIST IMPR GRADUALLY DURING THE MORNING VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-10, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 451: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) FROM 10/1800
WARNING 449: LOW 1014HPA AT 36S 43W MOV SE DEEPENING EXPECTED 39S 42W BY 11/1200
PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST BETWEEN 35S-40S AND 35W-55W UNTIL
11/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1014HPA 36S 43W MOV SE DPN EXP 39S 42W BY 11/1200 EXTENDS CFNT AT 36S 43W
35S 40W 30S 39W 25S 44W MOV SE ASOCIATED WITH OFNT AT 35S 48W 36S 52W 32S 50W
HIGH 1035HPA 48S 52W MOV NE WKN EXP 47S 53W BY 11/1200
101400 UTC 1.SEA ICE LIMIT 5435S 02000W 5341S 02617W 5617S 03218W 5648S 03757W
5721S 04317W 5908S 04813W 6128S 05247W 6234S 05655W 6217S 06033W 5929S 06336W
5949S 06559W 6112S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5502S 04020W 28X25NM
D33B 5733S 04803W 21X12NM A83 6017S 05053W 12X7NM A85 5842S 05059W 10X3NM
ICEBERG1 5829S 04935W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5614S 03849W 9X6NM
D33C 6139S 05351W 9X5NM ICEBERG2 5344S 04030W 5X3NM ICEBERG3 5841S 04652W 5X3NM
ICEBERG4 5534S 04447W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W
3X2NM ICEBERG7 5919S 04844W 2X1NM ICEBERG8 5916S 04722W 6X2NM ICEBERG9 5839S
04657W 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 2026-10-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3/4 PROB OF DRIZZLE VIS MODERATE
OUTER RIO DE LA PLATA: SECTOR S 4 PROB OF DRIZZLE RAIN VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3/4 PROB OF DRIZZLE RAIN VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 3/4 VEER SECTOR S BY 10/1800 PROB OF
DRIZZLE RAIN STARTING NIGTH IMPR VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 3/4 BACK SECTOR N BY 11/0300
PROB OF MIST DRIZZLE IMPR GRADUALLY VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS PROB OF MIST
FOG PATCHES VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS PROB OF MIST FOG
PATCHES VIS POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS PROB OF MIST FOG
PATCHES VIS POOR.
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/5 WITH GUSTS DECR 4/3 BY 10/1800
PROB OF MIST FOG PATCHES VIS POOR TO MODERATE
ISLAS MALVINAS COASTS: SECTOR N 5 WITH GUSTS DECR 4 BY 11/0000 PROB OF MIST FOG
PATCHES VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR S 6/5 WITH GUSTS BACK VRB
3/4 BY 10/1500 BACK NE 5 WITH GUSTS BY 11/0000 TOWARDS THE END OF THE PERIOD
WORSENING VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR E 6/8 WITH GUSTS VEER SECTOR S 5/6 WITH GUSTS BY
11/0600 INCR 8 PROB OF RAIN STORMS NXT PROB OF SH VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): NW 6/7 WITH GUSTS DECR 5/4 BY 11/0300
VIS POOR TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: E 5/6 WITH GUSTS INCR 6/7 BY
10/2100 PROB OF RAIN STORMS STARTING NIGTH VIS POOR
REST OF THE AREA: SECTOR S 3 BACK VRB BY 10/1500 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS INCR 7/8 WITH
GUSTS BY 10/1800 VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS DECR 5/4 BY
11/0300 VIS MODERATE TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 3/4 VEER SECTOR N 5/6 WITH GUSTS BY
11/0300 PROB OF DRIZZLE RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
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