1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-06, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 465: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 WITH GUST IN
DRAKE AREA (55S- 60S AND 60W- 67W)
PART 2 GENERAL SYNOPSIS AT 09:00UTC
STRONG BARIC GRADIENT DRAKE AREA (55S- 60S AND 60W- 67W) MOV E WKN
CFNT AT 60S 60W 56S 63W 52S 74W MOV E
HIGH 1026HPA MOV N NC EXP 36S 65W BY 07/1200 EXTENDS RIDGE AT 45S 66W 55S 54W
60S 48W MOV E
LOW 993HPA 56S 38W MOV E NC EXTENDS CFNT AT 56S 38W 44S 50W 37S 63W MOV NE
LOW 999 HPA 39S 43W MOV NE WKN EXP 37S 25W BY 07/1200
LOW 993HPA 42S 28W MOV SE DPN EXP 45S 25W BY 07/1200 EXTENDS CFNT AT 42S 22W 35S
21W 25S 36W MOV NE ASOCIATED WITH OFNT AT 42S 22W 44S 29W 39S 32W
051400 UTC 1.SEA ICE LIMIT 5321S 02000W 5307S 02618W 5416S 03218W 5618S 03757W
5810S 04317W 6016S 04814W 6225S 05247W 6147S 05655W 6152S 06032W 6245S 06336W
6349S 06559W 6431S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5546S 03538W 28X25NM
D33B 5535S 04141W 21X12NM D35 6012S 04437W 15X6 NM A83 5931S 04925W 12X7NM A85
5634S 04457W 10X3NM ICEBERG1 5612S 04537W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5639S 04007W 9X6NM D33C 6149S 05415W 5X3NM ICEBERG2 5059S 03847W 3X1NM
ICEBERG3 5749S 04635W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5754S 04303W
2X1NM ICEBERG6 5805S 04435W 6X2NM ICEBERG7 5947S 04323W 2X1NM ICEBERG8 6001S
05033W 4X1NM ICEBERG9 6147S 06054W 4X1NM ICEBERG10 6134S 05909W 4X3NM ICEBERG11
5537S 03522W 2X1NM ICEBERG12 5607S 04533W 3X1NM ICEBERG13 6021S 04424W 6X2NM
4.ICEBERGS AREA A5420S 02000W 4600S 02000W 4600S 04100W 5800S 04155W B5800S
04155W 5200S 04100W 5500S 05700W 6315S 05700W C6315S 05700W 5700S 05700W 5700S
06405W 6200S 067016W 6602S 067016W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-7
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 VEER SECTOR S 4/5 WITH GUSTS PROB OF RAIN
STORMS STARTING NIGTH VIS GOOD TO MODERATE
OUTER RIO DE LA PLATA: VRB 4 VEER SECTOR S 4/5 WITH GUSTS MIST DISSIPATING PROB
OF RAIN STORMS STARTING NIGTH VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR W 3 BACK SECTOR S 4/5 WITH GUSTS MIST
DISSIPATING PROB OF RAIN STORMS STARTING NIGTH VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 4/5 WITH GUSTS PROB OF HVY RAIN
STORMS IMPR VIS POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6/5 WITH GUSTS VEER SECTOR N
3/4 PROB OF RAIN IMPR VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/5 WITH GUSTS VEER SECTOR N
3/4 PROB OF RAIN IMPR VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 3 VEER SECTOR N 4/5 WITH GUSTS
VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5 WITH GUSTS PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 7 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS POOR
ISLAS MALVINAS COASTS: SECTOR W 5/7 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 6/7 WITH GUSTS PROB OF SH
VIS POOR
REST OF THE AREA: SW 6 WITH GUSTS BACK SECTOR S 7 WITH GUSTS PROB OF SH VIS
POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: NE 7 WITH GUSTS VEER
SECTOR W 7 WITH GUSTS PROB OF HVY SH STORMS VIS POOR
SE OF THE REGION: SECTOR E 6/7 WITH GUSTS VEER SE 7 WITH GUSTS PROB OF SH RAIN
VIS POOR
REST OF THE AREA: SECTOR S 5/7 WITH GUSTS PROB OF SH RAIN IMPR VIS POOR OCNL
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 4 BACK SECTOR S 6/7
WITH GUSTS PROB OF RAIN VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR S 5/7 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS PROB OF
RAIN IMPR VIS POOR TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 5 WITH GUSTS BACK SECTOR W 6/5 WITH
GUSTS PROB OF SNOW FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 5 WITH GUSTS VEER SECTOR W
6/7 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR
REST OF THE AREA: SECTOR W 5/7 WITH GUSTS PROB OF SNOW FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS PROB OF SNOW FALL VIS
POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 06, NOVEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1270/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS SOUTHERN BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 66S-68S 70W-66W UNTIL 06/2100
1271/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-63S 90W-70W UNTIL 07/0000
1272/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 9 WITH GUST IN 63S-69S 90W-80W FROM 06/2100 UNTIL 07/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
TROUGH 65S 87W 63S 86W 61S 86W MOV E NC
RIDGE 63S 47W 66S 50W 68S 53W MOV E NC
LOW 978HPA NOT MOV WKN
051400 UTC 1.SEA ICE LIMIT 5321S 02000W 5307S 02618W 5416S 03218W 5618S 03757W 5810S 04317W 6016S 04814W 6225S 05247W 6147S 05655W 6152S 06032W 6245S 06336W 6349S 06559W 6431S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5546S 03538W 28X25NM D33B 5535S 04141W 21X12NM D35 6012S 04437W 15X6 NM A83 5931S 04925W 12X7NM A85 5634S 04457W 10X3NM ICEBERG1 5612S 04537W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5639S 04007W 9X6NM D33C 6149S 05415W 5X3NM ICEBERG2 5059S 03847W 3X1NM ICEBERG3 5749S 04635W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5754S 04303W 2X1NM ICEBERG6 5805S 04435W 6X2NM ICEBERG7 5947S 04323W 2X1NM ICEBERG8 6001S 05033W 4X1NM ICEBERG9 6147S 06054W 4X1NM ICEBERG10 6134S 05909W 4X3NM ICEBERG11 5537S 03522W 2X1NM ICEBERG12 5607S 04533W 3X1NM ICEBERG13 6021S 04424W 6X2NM 4.ICEBERGS AREA A5420S 02000W 4600S 02000W 4600S 04100W 5800S 04155W B5800S 04155W 5200S 04100W 5500S 05700W 6315S 05700W C6315S 05700W 5700S 05700W 5700S 06405W 6200S 067016W 6602S 067016W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-7
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 7/0000 AFTERWARDS SECTOR W 5/4 BY 7/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 5/4 BACK NW 5/6 WITH GUSTS BY 06/2100 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 7/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 06/2100 AFTERWARDS SECTOR W 5/4 BY 7/0600 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 06/2100 AFTERWARDS SECTOR W 6/7 WITH GUSTS BY 7/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
GERLACHE STRAIT : NE 6/5 WITH GUSTS BACK SECTOR N 6/7 WITH GUSTS BY 06/2100 AFTERWARDS NW 4/5 BY 7/0600 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR OCNL MODERATE
MARGARITA BAY : NE 8/7 WITH GUSTS BACK SECTOR N 7/6 BY 06/2100 AFTERWARDS NW 5/6 WITH GUSTS BY 7/0300 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR OCNL MODERATE
EREBUS Y TERROR GULF : SECTOR N 5/4 BACK NW 5/6 WITH GUSTS BY 06/2100 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 7/0900 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE MORNING VIS POOR OCNL MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR W 8/7 WITH GUSTS DECR NW 7/6 WITH GUSTS BY 7/0000 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 6/7 WITH GUSTS BACK SECTOR W 6/7 WITH GUSTS BY 7/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 8/7 WITH GUSTS VEER NW 9/8 WITH GUSTS BY 06/2100 PROB OF FOG AND MIST IN PATCHES PROB OFHVY SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR W 4/5 VEER SECTOR N 5/6 WITH GUSTS BY 7/0600 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 7/1200 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/3 VEER NW 5/4 BY 7/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 BACK NE 4/5 BY 7/0300 PROB OF ISOL SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE=