1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 12, NOVEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1294/2026 LOW 958HPA GERLACHE STRAIT MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 64S-66S 60W-55W UNTIL 12/0300
1295/2026 LOW 952HPA NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING WILL PROVOKE WINDS FORCE 9 WITH GUST IN 60S-70S 90W-80W FROM 12/0600 UNTIL 12/2100
1296/2026 LOW 952HPA SOUTHERN BELLINGSHAUSEN SEA MOV SE WEAKENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 65S-68S 90W-75W FROM 12/1500 UNTIL 13/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
RIDGE 60S 76W 64S 75W 66S 74W MOV E NC
TROUGH 60S 57W 61S 53W 62S 74W MOV E NC
LOW 945HPA 65S 52W MOV NE WKN
LOW 975HPA 72S 41W NOT MOV WKN
111400 UTC 1.SEA ICE LIMIT 5409S 02000W 5352S 02618W 5441S 03217W 5704S 03757W 5916S 04317W 6131S 04814W 6256S 05247W 6221S 05654W 6231S 06033W 6400S 06337W 6506S 06559W 6528S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5533S 03432W 28X25NM D33B 5513S 04026W 21X12NM D35 5945S 04402W 15X6 NM A83 5858S 04915W 12X7NM A85 5602S 04541W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5636S 03953W 9X6NM ICEBERG2 5059S 03836W 3X1NM ICEBERG3 5719S 04519W 5X3NM ICEBERG4 5506S 04133W 2X1NM ICEBERG5 5803S 04520W 6X2NM ICEBERG6 6004S 04217W 2X1NM ICEBERG7 6003S 05021W 4X1NM ICEBERG8 6120S 06016W 4X1NM ICEBERG9 6142S 05403W 4X3NM ICEBERG10 5537S 03558W 2X1NM ICEBERG11 5454S 04450W 3X1NM ICEBERG12 6008S 04413W 6X2NM ICEBERG13 5943S 04118W 5X3NM ICEBERG14 6141S 05410W 5X3NM 4.ICEBERGS AREA A5500S 02000W 5000S 02000W 5800S 03500W 4600S 03500W B6500S 05600W 5500S 05400W 5800S 03500W 4600S 03500W C6500S 05600W 5500S 05400W 6000S 06716W 6600S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-11-13
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/5 WITH GUSTS VEER NW 5/6 WITH GUSTS BY 12/1200 AFTERWARDS SECTOR W 5/4 BY 12/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/5 INCR SW 5/6 WITH GUSTS BY 12/0900 AFTERWARDS SECTOR W 5/4 BY 12/2100 PROB OF MIST PROB OFSCT SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 6/7 WITH GUSTS VEER SECTOR W 4/5 BY 12/0600 AFTERWARDS NW 5/6 WITH GUSTS BY 12/1500 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 INCR SW 6/7 WITH GUSTS BY 12/0300 AFTERWARDS SECTOR W 5/4 BY 12/1800 PROB OF MIST PROB OFSCT SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
GERLACHE STRAIT : SW 5/6 WITH GUSTS VEER SECTOR W 4/5 BY 12/0900 AFTERWARDS NW 5/6 WITH GUSTS BY 12/1800 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MARGARITA BAY : SW 4/5 VEER NW 4/5 BY 12/0900 AFTERWARDS SECTOR N 6/7 WITH GUSTS BY 12/1500 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS MODERATE OCNL POOR
EREBUS Y TERROR GULF : SECTOR S 6/8 WITH GUSTS DECR SECTOR S 5/4 BY 12/0900 AFTERWARDS SECTOR N 3/4 BY 12/1800 PROB OF MIST PROB OFSCT SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR N 7/6 WITH GUSTS BACK SECTOR W 8/7 WITH GUSTS BY 12/0600 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 12/2100 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER SECTOR N 5/6 WITH GUSTS BY 12/0600 AFTERWARDS NW 5/6 WITH GUSTS BY 12/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 INCR SECTOR N 5/6 WITH GUSTS BY 12/0900 AFTERWARDS SECTOR W 8/7 WITH GUSTS BY 12/2100 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR W 3/4 BACK SECTOR S 4/5 BY 12/0900 AFTERWARDS SECTOR S 3/4 BY 12/2100 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NE 3/4 VEER SECTOR E 5/4 BY 12/1200 AFTERWARDS SE 5/4 BY 12/1800 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 3/4 BY 12/0900 PROB OF SCT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-11, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 473: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 11/1800
WARNING 472: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS FROM 11/1800 UNTIL 12/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
101400 UTC 1.SEA ICE LIMIT 5409S 02000W 5352S 02618W 5441S 03217W 5704S 03757W
5916S 04317W 6131S 04814W 6256S 05247W 6221S 05654W 6231S 06033W 6400S 06337W
6506S 06559W 6528S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5538S 03439W 28X25NM
D33B 5501S 04100W 21X12NM D35 5951S 04419W 15X6 NM A83 5901S 04919W 12X7NM A85
5604S 04533W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5636S 03956W 9X6NM ICEBERG2 5059S 03836W 3X1NM ICEBERG3 5723S 04540W 5X3NM
ICEBERG4 5515S 04145W 2X1NM ICEBERG5 5808S 04518W 6X2NM ICEBERG6 6004S 04217W
2X1NM ICEBERG7 6003S 05021W 4X1NM ICEBERG8 6124S 06013W 4X1NM ICEBERG9 6145S
05346W 4X3NM ICEBERG10 5533S 03523W 2X1NM ICEBERG11 5606S 04543W 3X1NM ICEBERG12
6011S 04421W 6X2NM ICEBERG13 5944S 04121W 5X3NM ICEBERG14 6142S 05355W 5X3NM
4.ICEBERGS AREA A5500S 02000W 5000S 02000W 5800S 03500W 4600S 03500W B6500S
05600W 5500S 05400W 5800S 03500W 4600S 03500W C6500S 05600W 5500S 05400W 6000S
06716W 6600S 06716W
HIGH 1032HPA 35S 35W MOV E DPN
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-12
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 3/4 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3/4 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 BACK SECTOR E BY 12/0600
VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 3/4 INCR 4/5 BY 12/0300 VIS
GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4/5 BACK SECTOR S BY 11/2100
VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 6/7 WITH GUSTS INCR 8 WITH GUSTS
BY 11/1800 VIS VERY POOR TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6/7 WITH GUSTS INCR 8 BY 11/1800
PROB OF SH RAIN DURING THE NIGTH VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR W 6/7 WITH GUSTS VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4/5 WITH GUSTS VEER SECTOR
N 5/6 WITH GUSTS BY 12/0600 VIS GOOD
REST OF THE AREA: SECTOR N 4/5 WITH GUSTS VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS PROB OF SH
RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 6/7 WITH GUSTS BACK SECTOR S
WITH GUSTS BY 12/0600 PROB OF SH RAIN VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS VEER SECTOR N
WITH GUSTS BY 11/1800 PROB OF ISOL RAIN VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/7 GUST WITH 8 INTENSITY PROB
OF SH RAIN VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS INCR 8 WITH GUSTS BY
11/1800 PROB OF ISOL RAIN VIS POOR OCNL VERY POOR
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