1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-25, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 38: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST
IN SOUTH PATAGONIA COASTS FROM 26/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1023HPA 40S 43W MOV E INTSF
LOW 1011HPA 40S 38W MOV E WKN EXTENDS OFNT AT 48S 38W 49S 42W 46S 42W
LOW 1005HPA 42S 64W MOV E WKN EXTENDS CFNT AT 42S 64W 38S 64W 35S 64W MOV E
LOW 993HPA 52S 65W MOV SE NC EXTENDS CFNT AT 52S 55W 49S 66W 46S 68W MOV SE
CFNT AT 60S 45W 57S 48W 55S 55W MOV E
241400 UTC 1.SEA ICE LIMIT 7237S 02012W 6910S 02537W 6146S 02752W 6545S 03022W
6120S 03535W 6105S 03952W 6143S 04420W 6123S 04735W 6018S 04936W 6213S 05628W
6337S 06129W 6558S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5158S 04124W 26X22NM
A23J 5236S 04129W 11X8NM A74A 5811S 02000W 23X13NM A77 4951S 02703W 27X4NM A76C
6002S 03806W 16X7NM B15AB 5654S 03602W 10X4NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5031S 03831W 6X1NM ICEBERG2 5220S 03926W 6X2NM ICEBERG3 5352S 04121W
3X1NM ICEBERG4 5028S 03546W 5X4NM ICEBERG5 4954S 03104W 4X1NM ICEBERG6 6106S
04520W 2X1NM ICEBERG7 5143S 03938W 9X3NM ICEBERG8 5215S 04016W 4X1NM ICEBERG9
5155S 03606W 2X1NM ICEBERG10 5623S 03211W 5X1NM ICEBERG11 5159S 04026W 4X1NM
ICEBERG12 5021S 03713W 3X1NM ICEBERG13 5108S 03951W 5X2NM ICEBERG14 5948S 03418W
5X2NM ICEBERG15 5241S 04121W 8X3NM ICEBERG16 4905S 02626W 4X2NM ICEBERG17 4914S
02634W 4X1NM ICEBERG18 5243S 04127W 3X1NM ICEBERG19 5129S 04112W 3X1NM ICEBERG20
5232S 04117W 3X1NM ICEBERG21 5025S 03720W 3X1NM ICEBERG22 5029S 03848W 6X1NM
ICEBERG23 5155S 04035W 3X1NM 4.ICEBERGS AREA A 6000S 02000W 4500S 02000W 4515S
03540W 6140S 03555W B 6140S 03555W 4650S 03528W 5730S 04615W 6210S 04310W C
7000S 02000W 6010S 02000W 6210S 03500W 7010S 02610W D 6210S 04310W 5730S 04615W
5800S 05920W 6520S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-26
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 TEMPO VEER SECTOR E 4/6 WITH GUSTS VIS
GOOD
OUTER RIO DE LA PLATA: SECTOR N 3/5 WITH GUSTS VEER SECTOR E 4/6 WITH GUSTS VIS
GOOD
URUGUAY SOUTH EAST COASTS: NE 4/6 WITH GUSTS BACK N 5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/5 WITH GUSTS VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/6 WITH GUSTS DECR 4 BY
26/1200 PROB OF RAIN STORMS STARTING EVENING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 3/4 VEER N 5/6 GUST WITH 8 INTENSITY
BY 26/0000 BACK SECTOR W 6 WITH GUSTS PROB OF RAIN STORMS STARTING NIGTH VIS
MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 WITH GUSTS BACK SW 6 WITH
GUSTS BY 26/0600 PROB OF ISOL SH RAIN STARTING EARLY MORNING VIS GOOD TO
MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS BACK SW 6/8 WITH
GUSTS BY 26/0300 PROB OF RAIN STARTING EARLY MORNING VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): E 3 BACK N 4 BACK SECTOR S 5/6 WITH GUSTS
PROB OF RAIN STARTING EVENING VIS GOOD TO MODERATE OCNL POOR
ISLAS MALVINAS COASTS: N 5 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS PROB OF RAIN
TOWARDS THE END OF THE PERIOD VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SE 3/4 PROB OF ISOL SH RAIN VIS
MODERATE
REST OF THE AREA: SECTOR N 3/5 WITH GUSTS PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
E OF 50W: W 3/4 VEER NW 3/5 WITH GUSTS PROB OF ISOL SH RAIN VIS GOOD TO
MODERATE
REST OF THE AREA: SECTOR N 4/6 WITH GUSTS PROB OF ISOL SH RAIN VIS GOOD OCNL
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: W 5 WITH GUSTS VEER SECTOR N 5
BACK SECTOR W 6/5 WITH GUSTS PROB OF RAIN TOWARDS EARLY MORNING IMPR VIS
MODERATE OCNL POOR
REST OF THE AREA: NW 6 WITH GUSTS BACK SECTOR W 6/3 WITH GUSTS PROB OF ISOL
RAIN SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR N 5/4 WITH GUSTS MIST
DISSIPATING PROB OFISOL RAIN STARTING NIGTH VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6/3 WITH GUSTS VEER SECTOR N 3/4 PROB OF RAIN SPELLS
OF GOOD WEATHER VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/3 BACK SW 4 PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 25, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
61/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST BACK SECTOR W WITH GUST IN 62S-65S 56W-40W UNTIL 26/0900
62/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-64S 90W-80W FROM 25/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 60S 60W 63S 62W 65S 64W MOV E WKN
LOW 966HPA 67S 52W MOV SE DPN
LOW 956HPA 65S 90W MOV E DPN
241400 UTC 1.SEA ICE LIMIT 7237S 02012W 6910S 02537W 6146S 02752W 6545S 03022W 6120S 03535W 6105S 03952W 6143S 04420W 6123S 04735W 6018S 04936W 6213S 05628W 6337S 06129W 6558S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5158S 04124W 26X22NM A23J 5236S 04129W 11X8NM A74A 5811S 02000W 23X13NM A77 4951S 02703W 27X4NM A76C 6002S 03806W 16X7NM B15AB 5654S 03602W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5031S 03831W 6X1NM ICEBERG2 5220S 03926W 6X2NM ICEBERG3 5352S 04121W 3X1NM ICEBERG4 5028S 03546W 5X4NM ICEBERG5 4954S 03104W 4X1NM ICEBERG6 6106S 04520W 2X1NM ICEBERG7 5143S 03938W 9X3NM ICEBERG8 5215S 04016W 4X1NM ICEBERG9 5155S 03606W 2X1NM ICEBERG10 5623S 03211W 5X1NM ICEBERG11 5159S 04026W 4X1NM ICEBERG12 5021S 03713W 3X1NM ICEBERG13 5108S 03951W 5X2NM ICEBERG14 5948S 03418W 5X2NM ICEBERG15 5241S 04121W 8X3NM ICEBERG16 4905S 02626W 4X2NM ICEBERG17 4914S 02634W 4X1NM ICEBERG18 5243S 04127W 3X1NM ICEBERG19 5129S 04112W 3X1NM ICEBERG20 5232S 04117W 3X1NM ICEBERG21 5025S 03720W 3X1NM ICEBERG22 5029S 03848W 6X1NM ICEBERG23 5155S 04035W 3X1NM 4.ICEBERGS AREA A 6000S 02000W 4500S 02000W 4515S 03540W 6140S 03555W B 6140S 03555W 4650S 03528W 5730S 04615W 6210S 04310W C 7000S 02000W 6010S 02000W 6210S 03500W 7010S 02610W D 6210S 04310W 5730S 04615W 5800S 05920W 6520S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-26
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT E OF 60W: NW 7/5 DECR SECTOR W 5/4 BY 25/1800 PROB OF MIST PROB OFISOL RAIN WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 6/10 WITH GUSTS VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 25/2100 PROB OF INTERMITTENT DRIZZLE RAIN WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS E OF 60W: NW 7/5 DECR SECTOR W 5/4 BY 25/1800 PROB OF MIST PROB OFISOL RAIN WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/7 WITH GUSTS VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 25/2100 PROB OF INTERMITTENT DRIZZLE RAIN WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NW 3/4 VEER NE 4/5 BY 25/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NE 6/5 WITH GUSTS DECR SECTOR N 5 BY 25/1800 PROB OF ISOL RAIN IMPR DURING THE EVENING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 6/7 GUST WITH 8 INTENSITY DECR NW 4/3 BY 25/1800 PROB OF MIST FOG PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80 - N OF 64S: NW 5/6 WITH GUSTS INCR SECTOR N 7/8 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFSCT DRIZZLE RAIN IMPR DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA E OF 80 - N OF 64S: NW 7/5 WITH GUSTS VEER SECTOR N 5 BY 25/2100 PROB OF MIST PROB OFSCT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 4/5 VEER SECTOR E 6 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 VEER SECTOR E 6 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA N OF 66 - W OF 40W: SECTOR W 7/8 WITH GUSTS INCR NW 9 WITH GUSTS BY 25/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE NIGTH VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 66 - E OF 40W: NW 7/8 WITH GUSTS INCR SECTOR W 9 WITH GUSTS BY 25/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE NIGTH VIS POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 7 GUST WITH 8 INTENSITY VEER SE 7/6 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/5 INCR 6 BY 25/2100 PROB OF ISOL MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR=