1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-11, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 21: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 11/0900
WARNING 20: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST
IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS FROM 11/0300
WARNING 19: LOW 1002HPA AT 36S 54W MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM
SE WITH GUST IN OUTER RIO DE LA PLATA URUGUAY SOUTH EAST COASTS BETWEEN 35S-40S
50W-55W UNTIL 11/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1002HPA 36S 54W MOV SE WKN
LOW 1005HPA 46S 42W MOV E NC EXP 46S 30W BY 11/1200 EXTENDS CFNT AT 46S 42W 44S
45W 42S 50W MOV NE
CFNT AT SOUTH PATAGONIA COASTS MOV NE
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:
INNER RIO DE LA PLATA: SECTOR S 7/6 GUST WITH 8 INTENSITY DECR 4 WITH GUSTS BY
11/0300 BACK SECTOR E 4/5 WITH GUSTS BY 11/1500 PROB OF ISOL RAIN IMPR STARTING
EARLY MORNING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SE 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY 11/0600 BACK
SECTOR E 5 WITH GUSTS BY 11/2100 PROB OF RAIN STORMS IMPR STARTING EVENING VIS
MODERATE OCNL POOR TO GOOD
URUGUAY SOUTH EAST COASTS: SE 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY 11/0600 BACK
SECTOR E 5 WITH GUSTS BY 11/2100 PROB OF RAIN STORMS IMPR STARTING EVENING VIS
MODERATE OCNL POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 4 WITH GUSTS INCR 6/7 GUST WITH 8
INTENSITY BY 11/1800 PROB OF DRIZZLE DURING THE NIGTH NEXT IMPR VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 4/5 WITH GUSTS BACK SECTOR S 5/6
WITH GUSTS BY 11/1500 VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 7/6 GUST WITH 8 INTENSITY BACK
SECTOR S 5 WITH GUSTS BY 11/0900 INCR 5/6 WITH GUSTS BY 11/2100 PROB OF ISOL SH
STORMS VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 7/6 GUST WITH 8 INTENSITY BACK
SECTOR S 6/5 WITH GUSTS BY 11/0900 BACK SECTOR E 5 WITH GUSTS BY 11/1800 PROB OF
SH VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: NE 7/6 GUST WITH 8 INTENSITY BACK
SW 6/7 GUST WITH 8 INTENSITY BY 11/0600 DECR 5/4 WITH GUSTS BY 11/1200 PROB OF
SH VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SW 6/7 WITH GUSTS INCR 7/8
WITH GUSTS BY 11/0300 DECR 7/6 GUST WITH 8 INTENSITY BY 11/1500 PROB OF RAIN VIS
POOR TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S):: SW 6/7 WITH GUSTS INCR 7/8 WITH GUSTS BY
11/0300 DECR 7/6 GUST WITH 8 INTENSITY BY 11/1500 PROB OF RAIN VIS POOR TO
MODERATE.
ISLAS MALVINAS COASTS: NE 5/6 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 11/1800 PROB
OF SH RAIN VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 5/4 WITH GUSTS PROB OF
RAIN STORMS STARTING EVENING VIS GOOD TO MODERATE
E OF 40 - W OF 30W: SECTOR N 4 WITH GUSTS BACK SECTOR E 5/6 WITH GUSTS BY
11/0600 BACK SE 5/6 WITH GUSTS BY 11/1500 PROB OF HVY RAIN STORMS VIS GOOD TO
POOR
E OF 50 - W OF 40W: SECTOR E 6/7 GUST WITH 8 INTENSITY BACK SE 6/5 WITH GUSTS
BY 11/0600 PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE
OCNL POOR
REST OF THE AREA: SE 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY 11/0600 BACK SECTOR
N 5 WITH GUSTS BY 11/1800 PROB OF RAIN STORMS IMPR STARTING EVENING VIS POOR TO
GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 7/6 WITH GUSTS BACK SE 4
BY 11/1500 PROB OF RAIN STORMS IMPR STARTING EVENING VIS MODERATE OCNL POOR TO
GOOD
REST OF THE AREA: SE 4/5 WITH GUSTS BACK SECTOR E 4/3 BY 11/0900 BACK VRB 3 BY
11/2100 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45 - E OF 50W: NW 7/6 GUST WITH 8
INTENSITY BACK SECTOR E 4 BY 11/0600 PROB OF ISOL RAIN IMPR STARTING EARLY
MORNING VIS MODERATE TO GOOD
S OF 45 - E OF 50W: SECTOR S 4/3 BACK SECTOR N 3/4 BY 11/0600 PROB OF SH RAIN
IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS PROB OF SH STARTING EVENING VIS GOOD
OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 5/4 WITH GUSTS VIS GOOD
REST OF THE AREA: SW 3/4 VEER SECTOR W 4/5 WITH GUSTS BY 11/1200 VIS GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: VRB 3/4 BACK SECTOR N 3/4 WITH
GUSTS BY 11/0900 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR N 3/4 WITH GUSTS INCR 5/6 WITH GUSTS BY 11/0600 BACK
SECTOR W 5/6 WITH GUSTS BY 11/2100 PROB OF SH RAIN STARTING EARLY MORNING VIS
GOOD TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/5 WITH GUSTS BACK SECTOR W 7/8
WITH GUSTS BY 11/0900 PROB OF SH RAIN VIS MODERATE TO 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=