1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-23, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 37: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST
IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W)
PART 2 GENERAL SYNOPSIS AT 09:00UTC
CFNT AT 60S 48W 55S 56W 54S 65W MOV E
STATIONARY FRONT 40S 62W 43S 58W 44S 42W
HIGH 1025HPA 39S 42W NOT MOV NC
221400 UTC 1.SEA ICE LIMIT 6956S 02000W 6903S 02710W 6212S 02747W 6606S 02839W
6133S 03510W 6114S 04524W 6000S 05005W 6059S 05546W 6239S 05726W 6347S 06030W
6535S 06425W 6637S 06717W 2.ICEBERGS GREATER THAN 10NM A23A 5216S 04127W 26X22NM
A23J 5236S 04135W 11X8NM A74A 5809S 02007W 23X13NM A77 4945S 02705W 27X4NM A76C
6012S 03808W 16X7NM B15AB 5623S 03720W 10X4NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5000S 03818W 6X2NM ICEBERG2 5221S 03921W 6X2NM ICEBERG3 5131S 03751W
3X1NM ICEBERG4 5030S 03604W 5X4NM ICEBERG5 5003S 03356W 4X1NM ICEBERG6 6145S
04539W 2X1NM ICEBERG7 5039S 03639W 2X1NM ICEBERG8 5140S 03947W 9X3NM ICEBERG9
5218S 04022W 4X1NM ICEBERG10 5154S 03622W 2X1NM ICEBERG11 5623S 03211W 5X1NM
ICEBERG12 5205S 04037W 4X1NM ICEBERG13 5041S 03724W 3X1NM ICEBERG14 5109S 04009W
5X2NM ICEBERG15 5951S 03413W 5X2NM ICEBERG16 5243S 04129W 8X3NM ICEBERG17 5241S
04119W 4X2NM ICEBERG18 4922S 02642W 4X1NM ICEBERG19 5242S 04133W 3X1NM ICEBERG20
5153S 04137W 3X1NM ICEBERG21 5234S 04142W 3X1NM 4.ICEBERGS AREA A 7300S 02000W
4552S 02000W 4700S 03800W 6145S 04000W B 6145S 04000W 4724S 03800W 5700S 05000W
6000S 05100W C 6000S 05100W 5700S 05000W 6235S 06716W 6600S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-24
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 VEER SECTOR E 3/4 BY 23/1800 BACK SECTOR N 4
BY 24/0300 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 4 VEER SECTOR E 4/5 WITH GUSTS BY 23/2100 BACK
SECTOR N 5 WITH GUSTS BY 24/0300 VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 3/4 INCR 5 WITH GUSTS BY 23/2100 VIS GOOD
OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 INCR 5/6 WITH GUSTS BY
23/1800 LOW PROB OF ISOL RAIN VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3/4 BACK SECTOR E 4/5 BY 23/2100
BACK SECTOR N BY 24/0600 PROB OF ISOL MIST FOG PATCHES RAIN NXT PROB OFISOL RAIN
STORMS STARTING EVENING VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): VRB 3/4 BACK SECTOR N 4/5 BY 23/1800
PROB OF MIST FOG PATCHES STARTING EARLY MORNING PROB OF RAIN STORMS STARTING
EVENING VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 WITH GUSTS PROB OF DRIZZLE
IMPR GRADUALLY VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/4 WITH GUSTS VIS GOOD OCNL
MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 3/4 BACK SECTOR N 4/5 BY 23/1800
PROB OF DRIZZLE RAIN VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR W 5 VEER SECTOR N 4/5 WITH GUSTS BY 23/2100 VIS
GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: VRB 3/4 BACK SECTOR E 5/4 BY
23/1800 PROB OF RAIN STORMS VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 3/4 INCR 4/5 WITH GUSTS BY 23/2100 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 6/5 WITH GUSTS DECR 5/4 BY
24/0600 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR N 4/5 WITH GUSTS PROB
OF ISOL DRIZZLE RAIN VIS GOOD
REST OF THE AREA: SECTOR N 3 BACK VRB BY 24/0300 PROB OF ISOL STORMS STARTING
NIGTH VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 7/8 WITH GUSTS PROB OF ISOL
DRIZZLE RAIN VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 7/6 WITH GUSTS DECR 5/4 BY
24/0000 VEER SECTOR N 5 WITH GUSTS BY 24/1200 PROB OF DRIZZLE RAIN VIS POOR TO
GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/5 WITH GUSTS VEER SECTOR N 4 BY
23/2100 INCR 6/7 WITH GUSTS BY 24/0900 PROB OF DRIZZLE RAIN STARTING EVENING VIS
MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 23, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
51/2026 LOW 962HPA AT 64S 54W EREBUS Y TERROR GULF MAR DE LA FLOTA COASTS NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST IN 60S-65S 55W-34W UNTIL 23/1500
52/2026 LOW 949HPA AT 69S 80W SOUTHERN BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 65S-69S 83W-70W UNTIL 23/2300
53/2026 LOW 955HPA AT 64S 87W MOV E WEAKENING PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST IN 60S-65S 90W-80W FROM 24/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 962HPA 64S 54W MOV SE WKN EXTENDS CFNT AT 64S 85W 63S 45W 60S 41W MOV E
RIDGE 65S 65W 63S 65W 60S 65W MOV E WKN
LOW 949HPA 69S 80W MOV SE WKN
211400 UTC 1.SEA ICE LIMIT 6956S 02000W 6903S 02710W 6212S 02747W 6606S 02839W 6133S 03510W 6114S 04524W 6000S 05005W 6059S 05546W 6239S 05726W 6347S 06030W 6535S 06425W 6637S 06717W 2.ICEBERGS GREATER THAN 10NM A23A 5224S 04132W 26X22NM A23J 5236S 04141W 11X8NM A74A 5809S 02012W 23X13NM A77 4946S 02714W 27X4NM A76C 6014S 03808W 16X7NM B15AB 5623S 03720W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4953S 03809W 6X2NM ICEBERG2 5223S 03919W 6X2NM ICEBERG3 5131S 03751W 3X1NM ICEBERG4 5030S 03611W 5X4NM ICEBERG5 5003S 03356W 4X1NM ICEBERG6 5217S 04041W 2X1NM ICEBERG7 6044S 04527W 3X3NM ICEBERG8 6121S 04552W 4X3NM ICEBERG9 5904S 05012W 7X2NM ICEBERG10 5035S 03653W 2X1NM ICEBERG11 5128S 03949W 9X3NM ICEBERG12 5217S 04025W 4X1NM ICEBERG13 5154S 03622W 2X1NM ICEBERG14 5623S 03211W 5X1NM ICEBERG15 5205S 04032W 4X1NM ICEBERG16 5214S 04040W 2X1NM ICEBERG17 5056S 03739W 3X1NM ICEBERG18 5118S 04035W 5X2NM ICEBERG19 5951S 03413W 5X2NM ICEBERG20 5240S 04134W 8X3NM ICEBERG21 5242S 04119W 4X2NM ICEBERG22 4927S 02648W 4X1NM ICEBERG23 5239S 04145W 3X1NM ICEBERG24 5203S 04142W 3X1NM 4.ICEBERGS AREA A 6200S 02000W 4552S 02000W 4500S 04000W 6145S 04000W B 6145S 04000W 4924S 03945W 5830S 05300W 6020S 05100W C 6915S 02000W 6155S 02000W 6230S 03000W 6915S 02720W D 6020S 05100W 5830S 05300W 6235S 06716W 6600S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-24
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT : SECTOR W 7/6 GUST WITH 8 INTENSITY DECR SECTOR W 6/5 WITH GUSTS BY 23/2000 PROB OF SCT MIST DURING THE MORNING IMPR GRADUALLY VIS MODERATE TO GOOD OCNL POOR
MAR DE LA FLOTA COASTS E OF 60W: SECTOR W 7/6 GUST WITH 8 INTENSITY DECR SECTOR W 6/5 WITH GUSTS BY 23/2000 PROB OF SCT MIST DURING THE MORNING IMPR GRADUALLY VIS MODERATE TO GOOD OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/5 DECR SECTOR W 4/5 WITH GUSTS BY 23/2100 PROB OF SCT MIST DURING THE MORNING IMPR VIS MODERATE TO GOOD OCNL POOR
GERLACHE STRAIT : SECTOR N 5/6 WITH GUSTS DECR 4/5 BY 23/2100 PROB OF SCT MIST PROB OFSCT RAIN AND SNOW MIXTURE DURING THE EVENING SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
MARGARITA BAY : SECTOR N 6/7 GUST WITH 8 INTENSITY DECR 4/5 BY 24/0600 PROB OF SCT MIST PROB OFSCT RAIN AND SNOW MIXTURE STARTING EVENING IMPR VIS MODERATE TO POOR OCNL VERY POOR
EREBUS Y TERROR GULF : SW 8/7 GUST WITH 9 INTENSITY DECR SECTOR W 6/5 WITH GUSTS BY 24/0300 PROB OF SCT FOG MIST PROB OFISOL RAIN AND SNOW MIXTURE TOWARDS THE END OF THE PERIOD IMPR VIS POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 6/7 GUST WITH 8 INTENSITY BACK SECTOR W 7 GUST WITH 8 INTENSITY BY 24/0000 PROB OF INTERMITTENT DRIZZLE RAIN DURING THE NIGTH SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL VERY POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 GUST WITH 8 INTENSITY DECR SECTOR N 6/5 WITH GUSTS BY 23/2200 PROB OF SCT DRIZZLE RAIN STARTING NIGTH WORSENING VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 7 GUST WITH 8 INTENSITY DECR SECTOR N 6 BY 23/2300 AFTERWARDS NE 5/6 BY 24/0700 PROB OF SCT RAIN AND SNOW MIXTURE PROB OF MIST DURING THE EVENING SPELLS OF GOOD WEATHER VIS POOR TO MODERATE
NORTHERN WEDDELL SEA W OF 40W: SECTOR W 4/5 WITH GUSTS INCR SECTOR W 7 GUST WITH 8 INTENSITY BY 23/1700 PROB OF INTERMITTENT DRIZZLE RAIN DURING THE MORNING WORSENING VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: VRB 3/4 INCR SECTOR W 5 BY 23/2200 PROB OF SCT MIST PROB OFISOL DRIZZLE RAIN DURING THE EARLY MORNING WORSENING VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): VRB 3/4 PROB OF ISOL MIST PROB OFSCT SH OF SNOW DURING THE EVENING IMPR VIS GOOD TO MODERATE OCNL POOR=