1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-21, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 35: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 21/1500 UNTIL 22/0000
WARNING 33: LOW 996HPA AT 40S 37W MOV SE WEAKENING PROVOKES WINDS FORCE 8 AROUND
ITSELF WITH GUST BETWEEN 35S-45S AND 30W-40W UNTIL 22/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 996HPA 40S 37W MOV SE WKN ASOCIATED WITH OFNT AT 43S 32W 31S 39W 37S 37W
HIGH 1020HPA 37S 48W NOT MOV NC
CFNT AT 43S 64W 51S 56W 59S 49W MOV E
201400 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 5230S 04136W 26X22NM
A23J 5239S 04149W 11X8NM A74A 5812S 02017W 23X13NM A77 4947S 02722W 27X4NM A76C
6018S 03806W 16X7NM B15AB 5623S 03720W 10X4NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 4951S 03804W 7X2NM ICEBERG2 5225S 03920W 7X3NM ICEBERG3 5131S 03751W
3X1NM ICEBERG4 5032S 03617W 5X4NM ICEBERG5 5017S 03449W 4X1NM ICEBERG6 5226S
04030W 2X1NM ICEBERG7 6044S 04527W 3X3NM ICEBERG8 6122S 04607W 4X3NM ICEBERG9
5919S 05022W 7X2NM ICEBERG10 5033S 03710W 2X1NM ICEBERG11 5128S 03949W 9X3NM
ICEBERG12 5222S 04021W 4X1NM ICEBERG13 5154S 03622W 2X1NM ICEBERG14 5634S 03219W
5X1NM ICEBERG15 5210S 04036W 4X1NM ICEBERG16 5214S 04040W 2X1NM ICEBERG17 5049S
03846W 3X1NM ICEBERG18 5118S 04035W 5X2NM ICEBERG19 5951S 03413W 5X2NM ICEBERG20
5240S 04143W 8X3NM ICEBERG21 5246S 04122W 4X2NM ICEBERG22 4935S 02659W 4X1NM
ICEBERG23 5244S 04159W 3X1NM ICEBERG24 5215S 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 2026-01-22
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/5 WITH GUSTS VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 4/5 WITH GUSTS VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6/7 WITH GUSTS PROB OF SH
STARTING EARLY MORNING VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5 WITH GUSTS BACK SECTOR S BY
21/1800 PROB OF STORMS STARTING EVENING VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6/5 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/4 WITH GUSTS VEER SECTOR W BY
22/0000 VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 WITH GUSTS VIS GOOD OCNL
MODERATE
ISLAS MALVINAS COASTS: SECTOR W 5/4 WITH GUSTS VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: VRB 4 VEER SECTOR N 5 BY 21/1800
VIS GOOD OCNL MODERATE
W OF 30 - E OF 40W: SECTOR N 8 WITH GUSTS BACK SECTOR W 5 BY 21/1800 BACK
SECTOR S 3 BY 22/1200 LOW PROB OF ISOL RAIN IMPR STARTING EVENING VIS POOR TO
MODERATE
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS BACK SECTOR W BY 22/0300 VIS GOOD
OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30 - N OF 45S: SECTOR N 8 WITH
GUSTS BACK SECTOR W 5 WITH GUSTS BY 22/0000 LOW PROB OF ISOL RAIN VIS POOR TO
MODERATE
E OF 30 - N OF 45S: SECTOR N 5/6 WITH GUSTS BACK SECTOR W BY 22/0900 LOW PROB
OF ISOL RAIN VIS MODERATE
REST OF THE AREA: SECTOR E 4/5 VEER SECTOR W BY 22/0600 PROB OF RAIN VIS
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR N 5 WITH GUSTS VIS
GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 4 WITH GUSTS BACK SECTOR S BY 22/0000 PROB OF SH
STARTING NIGTH VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR N 5/6 WITH GUSTS BACK SECTOR W
BY 22/0600 PROB OF ISOL RAIN STARTING EVENING VIS GOOD OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7 WITH GUSTS INCR 8 WITH GUSTS BY
21/1500 DECR 6 BY 22/0000 PROB OF ISOL RAIN VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 21, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
42/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN PORTION OF DRAKE STRAIT MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-63S 85W-62W
43/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SW GUST WITH 10 INTENSITY IN 64S-67S 59W-52W FROM 21/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 963HPA 64S 55W MOV SE DPN EXTENDS CFNT AT 66S 55W 66S 40W 60S 40W
LOW 975HPA 66S 68W MOV E WKN
RIDGE 69S 88W 65S 88W 61S 88W MOV E WKN
191400 UTC 1.SEA ICE LIMIT 6635S 01955W 6137S 02057W 6056S 02339W 6214S 03041W 6204S 03518W 6146S 03910W 6132S 04010W 6219S 04452W 6059S 04840W 6045S 05157W 6336S 06030W 6559S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5233S 04134W 26X22NM A23J 5243S 04150W 11X8NM A74A 5811S 02018W 23X13NM A77 4951S 02735W 27X4NM A76C 6023S 03802W 16X7NM B15AB 5846S 03808W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4915S 03756W 7X2NM ICEBERG2 5226S 03917W 7X3NM ICEBERG3 5131S 03751W 3X1NM ICEBERG4 5227S 03912W 4X1NM ICEBERG5 5352S 04121W 4X1NM ICEBERG6 5100S 03714W 5X4NM ICEBERG7 5029S 03021W 3X1NM ICEBERG8 5030S 03618W 4X1NM ICEBERG9 5226S 04030W 2X1NM ICEBERG10 6044S 04527W 3X3NM ICEBERG11 6123S 04618W 4X3NM ICEBERG12 5919S 05022W 7X2NM ICEBERG13 5041S 03732W 2X1NM ICEBERG14 5126S 03948W 9X3NM ICEBERG15 5222S 04021W 4X1NM ICEBERG16 5143S 03613W 2X1NM ICEBERG17 5723S 03347W 5X1NM ICEBERG18 5220S 03915W 3X1NM ICEBERG19 5213S 04035W 4X1NM ICEBERG20 5217S 04040W 2X1NM ICEBERG21 5049S 03846W 3X1NM ICEBERG22 5121S 04042W 5X2NM ICEBERG23 5953S 03406W 5X2NM ICEBERG24 5240S 04143W 8X3NM ICEBERG25 5246S 04122W 4X2NM ICEBERG26 4940S 02718W 4X1NM ICEBERG27 5244S 04159W 3X1NM ICEBERG28 5223S 04140W 3X1NM 4.ICEBERGS AREA A 6700S 02000W 4450S 02000W 4500S 04000W 6150S 03932W B 6150S 03932W 4820S 04000W 5730S 04900W 6120S 04845W C 6120S 04845W 5730S 04900W 6125S 06716W 6600S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-01-22
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT : SECTOR W 6/7 GUST WITH 8 INTENSITY DECR 5 BY 22/0900 PROB OF DRIZZLE RAIN TOWARDS EVENING IMPR VIS MODERATE TO GOOD OCNL POOR
MAR DE LA FLOTA COASTS : SECTOR W 4/5 BACK SW BY 22/0000 PROB OF SCT RAIN AND SNOW MIXTURE DURING THE NIGTH IMPR VIS POOR TO MODERATE
GERLACHE STRAIT : VRB 3/4 INCR SECTOR W 6 WITH GUSTS BY 22/0800 PROB OF ISOL DRIZZLE RAIN PROB OF FOG MIST TOWARDS NOON IMPR VIS POOR TO MODERATE OCNL VERY POOR
MARGARITA BAY : VRB 3 INCR NW 4/5 BY 22/0300 PROB OF ISOL RAIN AND SNOW MIXTURE DURING THE EARLY MORNING WORSENING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 6/7 GUST WITH 8 INTENSITY DECR 6/5 BY 22/0300 PROB OF SCT RAIN AND SNOW MIXTURE TOWARDS NOON WORSENING VIS MODERATE TO POOR OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SW 6/7 GUST WITH 8 INTENSITY DECR 5 BY 21/1800 AFTERWARDS NW 7 BY 22/0600 PROB OF DRIZZLE RAIN TOWARDS EVENING IMPR VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 BACK SW 7 GUST WITH 8 INTENSITY BY 21/1500 PROB OF DRIZZLE RAIN TOWARDS EVENING IMPR VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 5/4 INCR NE 6/7 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFSCT SNOW FALL TOWARDS EVENING IMPR VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA W OF 35W: NW 4/5 BACK SW 7 GUST WITH 8 INTENSITY BY 22/0000 PROB OF RAIN AND SNOW MIXTURE TOWARDS NIGTH WORSENING VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 PROB OF SCT RAIN AND SNOW MIXTURE VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 VEER SECTOR S 3/4 BY 21/1800 PROB OF SCT FOG MIST VIS GOOD TO MODERATE=