1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-11, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 21: LOW 987HPA AT 58S 69W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM W
WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 12/0000
WARNING 20: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH GUST
IN FIN DEL MUNDO COASTS UNTIL 11/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 987HPA 58S 69W MOV SE DPN EXTENDS CFNT AT 58S 69W 51S 62W 45S 65W MOV SE
HIGH 1014HPA 48S 43W MOV E INTSF EXP 48S 30W BY 12/1200
LOW 1005HPA 45S 32W MOV E NC EXTENDS CFNT AT 45S 32W 43S 35W 45S 40W MOV E
LOW 1005HPA 40S 63W MOV E WKN
LOW 1005HPA 35S 53W MOV SE WKN EXP 38S 30W BY 12/1200 EXTENDS OFNT AT 36S 49W
35S 55W 33S 55W MOV SE EXP 38S 30W 39S 35W 35S 34W BY 12/1200
101400 UTC 1.SEA ICE LIMIT 6609S 02023W 6043S 02444W 6522S 02929W 6227S 03317W
6130S 03747W 6122S 04304W 6142S 04902W 6018S 05215W 6148S 05657W 6305S 05915W
6402S 06312W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5256S 04059W 26X22NM
A74A 5820S 02052W 23X13NM A77 4922S 03038W 27X4NM A76C 6030S 03759W 16X7NM B15AB
5736S 03840W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4947S 04025W 7X2NM
ICEBERG2 5251S 03944W 7X3NM ICEBERG3 5148S 03820W 3X1NM ICEBERG4 5245S 03935W
4X1NM ICEBERG5 5352S 04121W 4X1NM ICEBERG6 5029S 03847W 5X4NM ICEBERG7 5101S
03026W 3X1NM ICEBERG8 5013S 02929W 2X1NM ICEBERG9 5248S 04043W 2X2NM ICEBERG10
5228S 04100W 2X1NM ICEBERG11 5104S 03710W 4X1NM ICEBERG12 5214S 03952W 2X1NM
ICEBERG13 6044S 04527W 3X3NM ICEBERG14 6119S 04715W 4X3NM ICEBERG15 5957S 05039W
7X2NM ICEBERG16 5033S 03849W 2X1NM ICEBERG17 5142S 04103W 9X3NM ICEBERG18 5236S
03937W 2X2NM ICEBERG19 5213S 03951W 4X1NM ICEBERG20 5151S 03807W 2X1NM ICEBERG21
5833S 03755W 5X1NM ICEBERG22 5235S 03945W 3X1NM ICEBERG23 5219S 03956W 4X1NM
ICEBERG24 5215S 04006W 2X1NM ICEBERG25 4939S 03940W 3X1NM ICEBERG26 5236S 04113W
9X4NM 4.ICEBERGS AREA A 6141S 02000W 4450S 02000W 4500S 04000W 6140S 03940W B
6140S 03940W 4745S 04000W 5600S 05040W 6220S 04810W C 6220S 04810W 5800S 05020W
6157S 06716W 6645S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-12
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 BACK E 4 BACK N 3 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR S 4 BACK E 4/5 BACK N 3/4 PROB OF ISOL RAIN IMPR
TOWARDS NIGTH MIST FOG PATCHES DISSIPATING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3/4 WITH GUSTS BACK E 3 PROB OF ISOL SH RAIN
IMPR TOWARDS NIGTH MIST FOG PATCHES DISSIPATING VIS MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): NE 3/6 WITH GUSTS BACK N 6/4 WITH GUSTS
MIST FOG PATCHES DISSIPATING VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 3/5 WITH GUSTS BACK SW 3 MIST FOG
PATCHES DISSIPATING PROB OFISOL RAIN TOWARDS THE END OF THE PERIOD VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 4 BACK SECTOR S MIST FOG PATCHES
DISSIPATING PROB OFISOL RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 3/5 WITH GUSTS BACK SECTOR S 5 BACK
SECTOR N 3 VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 6 WITH GUSTS VEER SECTOR N 4/5 WITH
GUSTS PROB OF RAIN STARTING EARLY MORNING SPELLS OF GOOD WEATHER VIS MODERATE
OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SW 8 WITH GUSTS BACK SECTOR E 4 BY 11/1500
BACK SECTOR N 4 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR
ISLAS MALVINAS COASTS: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 5/6 BACK SECTOR S 3
PROB OF ISOL SH RAIN IMPR TOWARDS NIGTH VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: NW 4/5 VEER SECTOR N 4/6 WITH GUSTS
BACK SECTOR S 3/4 PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS
MODERATE TO POOR
REST OF THE AREA: SECTOR E 5/6 DECR 3 PROB OF ISOL RAIN STORMS IMPR TOWARDS
EARLY MORNING VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: W 6/4 WITH GUSTS BACK SECTOR
E 3/5 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
E OF 30 - S OF 45S: SECTOR S 4/3 PROB OF RAIN IMPR TOWARDS EVENING VIS MODERATE
TO GOOD
REST OF THE AREA: SECTOR E 4/3 BACK N 3/4 PROB OF ISOL RAIN IMPR TOWARDS THE
END OF THE PERIOD VIS GOOD OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: E 3 BACK N 3/4 VIS
GOOD
W OF 50 - N OF 45S: N 3/5 WITH GUSTS VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR N 3/5 WITH GUSTS PROB OF RAIN SPELLS OF GOOD WEATHER
VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 5/4 PROB OF ISOL SNOW FALL
IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
REST OF THE AREA: W 3/4 VEER NW 4/5 WITH GUSTS PROB OF ISOL RAIN STARTING EARLY
MORNING VIS GOOD TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: W 3 VEER SECTOR N 4/6 WITH
GUSTS PROB OF RAIN STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 3/6 WITH GUSTS BACK SECTOR W 4/6 WITH GUSTS PROB OF
RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): W 8/5 WITH GUSTS VEER SECTOR N 3/4 PROB OF
RAIN SPELLS OF GOOD WEATHER VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 11, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
17/2026 STRONG BARIC GRADIENT MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N IN MARGARITA BAY IN 66S-70S 65W-70W UNTIL 11/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 976HPA 70S 80W MOV E DPN EXTENDS CFNT AT 70S 80W 65S 70W 60S 70W
RIDGE 60S 50W 65S 40W 70S 40W MOV E WKN
101400 UTC 1.SEA ICE LIMIT 6609S 02023W 6043S 02444W 6522S 02929W 6227S 03317W 6130S 03747W 6122S 04304W 6142S 04902W 6018S 05215W 6148S 05657W 6305S 05915W 6402S 06312W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5256S 04059W 26X22NM A74A 5820S 02052W 23X13NM A77 4922S 03038W 27X4NM A76C 6030S 03759W 16X7NM B15AB 5736S 03840W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4947S 04025W 7X2NM ICEBERG2 5251S 03944W 7X3NM ICEBERG3 5148S 03820W 3X1NM ICEBERG4 5245S 03935W 4X1NM ICEBERG5 5352S 04121W 4X1NM ICEBERG6 5029S 03847W 5X4NM ICEBERG7 5101S 03026W 3X1NM ICEBERG8 5013S 02929W 2X1NM ICEBERG9 5248S 04043W 2X2NM ICEBERG10 5228S 04100W 2X1NM ICEBERG11 5104S 03710W 4X1NM ICEBERG12 5214S 03952W 2X1NM ICEBERG13 6044S 04527W 3X3NM ICEBERG14 6119S 04715W 4X3NM ICEBERG15 5957S 05039W 7X2NM ICEBERG16 5033S 03849W 2X1NM ICEBERG17 5142S 04103W 9X3NM ICEBERG18 5236S 03937W 2X2NM ICEBERG19 5213S 03951W 4X1NM ICEBERG20 5151S 03807W 2X1NM ICEBERG21 5833S 03755W 5X1NM ICEBERG22 5235S 03945W 3X1NM ICEBERG23 5219S 03956W 4X1NM ICEBERG24 5215S 04006W 2X1NM ICEBERG25 4939S 03940W 3X1NM ICEBERG26 5236S 04113W 9X4NM 4.ICEBERGS AREA A 6141S 02000W 4450S 02000W 4500S 04000W 6140S 03940W B 6140S 03940W 4745S 04000W 5600S 05040W 6220S 04810W C 6220S 04810W 5800S 05020W 6157S 06716W 6645S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-01-12
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
GERLACHE STRAIT : SECTOR S 3/4 VEER SECTOR N BY 10/2100 PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MARGARITA BAY : SECTOR N 3/4 INCR 8 BY 10/1800 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
EREBUS Y TERROR GULF : SECTOR N 3/4 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 INCR 8 BY 10/1800 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR W 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR W 3/4 PROB OF ISOL SNOW FALL PROB OF MIST VIS GOOD TO MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 3/4 INCR 6 BY 11/1500 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 3/4 VEER SECTOR E 5 BY 11/1500 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 3/4 INCR 6 BY 11/1500 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 5 BY 11/1800 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
GERLACHE STRAIT : SECTOR N 3/4 VEER SECTOR S 3 BY 11/2100 PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MARGARITA BAY : 8 BACK SW 3 BY 11/0900 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
EREBUS Y TERROR GULF : SECTOR N 3/5 PROB OF MIST FOG PATCHES VIS GOOD TO MODERATE OCNL VERY POOR
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 4/5 PROB OF ISOL SNOW FALL PROB OF MIST VIS GOOD TO MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/5 PROB OF ISOL SNOW FALL PROB OF MIST VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): NW 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR W 3/4 PROB OF ISOL SNOW FALL PROB OF MIST VIS GOOD TO MODERATE OCNL POOR=