1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 27, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
78/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 IN 61S-67S 80W-70W UNTIL 27/0600
79/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 68S-76S 90W-70W UNTIL 27/0900
80/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 67S-70S 70W-67W UNTIL 27/0600
81/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS SOUTHERN PORTION OF DRAKE STRAIT MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 60S-64S 70W-60W FROM 27/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
RIDGE 60S 52W 63S 44W 68S 36W MOV E WKN
LOW 958HPA 65S 90W MOV SE WKN
251400 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 5138S 04124W 26X22NM A23J 5235S 04126W 11X8NM A77 5000S 02703W 27X4NM A76C 5953S 03805W 16X7NM B15AB 5705S 03603W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5029S 03752W 6X1NM ICEBERG2 5225S 03928W 6X2NM ICEBERG3 4938S 03011W 4X1NM ICEBERG4 6103S 04511W 2X1NM ICEBERG5 5144S 03938W 9X3NM ICEBERG6 5220S 04015W 4X1NM ICEBERG7 5153S 03604W 2X1NM ICEBERG8 5546S 03206W 5X1NM ICEBERG9 5157S 04026W 4X1NM ICEBERG10 5013S 03704W 3X1NM ICEBERG11 5107S 03943W 5X2NM ICEBERG12 5936S 03418W 5X2NM ICEBERG13 5231S 04118W 8X3NM ICEBERG14 5228S 04126W 4X2NM ICEBERG15 4839S 02614W 4X1NM ICEBERG16 5227S 04128W 3X1NM ICEBERG17 5052S 04035W 3X1NM ICEBERG18 5217S 04112W 3X1NM ICEBERG19 5016S 03700W 3X1NM ICEBERG20 5037S 03756W 6X1NM ICEBERG21 5154S 04030W 3X1NM ICEBERG22 4844S 02611W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-01-28
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 6/7 WITH GUSTS VEER NE 8 WITH GUSTS BY 27/1500 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING SLOWLY STARTING NIGTH VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: VRB 3/4 INCR NE 7/8 WITH GUSTS BY 27/1800 PROB OF MIST PROB OFISOL RAIN WORSENING SLOWLY STARTING EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS : NW 3/4 INCR NE 7/8 WITH GUSTS BY 27/1800 PROB OF MIST PROB OFISOL RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO POOR
GERLACHE STRAIT : NE 8/10 DECR SECTOR N 6/5 BY 27/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NOON VIS MODERATE TO POOR OCNL VERY POOR
MARGARITA BAY : NE 8/7 WITH GUSTS DECR SECTOR N 6/5 BY 27/0800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS GOOD TO POOR OCNL MODERATE
EREBUS Y TERROR GULF : NW 6/7 WITH GUSTS INCR NW 7/8 BY 27/0600 PROB OF SCT MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): NW 8/7 WITH GUSTS DECR NW 6/5 BY 27/0900 PROB OF SCT MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 7/8 WITH GUSTS DECR NW 7/6 BY 27/0900 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING STARTING EVENING VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): VRB 4/3 PROB OF ISOL FOG MIST TEMPORARILY DISSIPATING DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA W OF 40W: SECTOR N 4/5 PROB OF ISOL MIST PROB OFSCT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA REST OF THE AREA: SE 4/5 PROB OF ISOL MIST PROB OFSCT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-27, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 42: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) FROM 27/2100
WARNING 41: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 9 FROM SECTOR W
WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 27/2100
WARNING 40: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 9 FROM SECTOR N
WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO
COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN 55S-60S
AND 55W-60W FROM 27/0300
WARNING 39: STRONG BARIC GRADIENT MOV SW PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-55S AND 40W-55W UNTIL 27/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
251400 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 5138S 04124W 26X22NM
A23J 5235S 04126W 11X8NM A77 5000S 02703W 27X4NM A76C 5953S 03805W 16X7NM B15AB
5705S 03603W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5029S 03752W 6X1NM
ICEBERG2 5225S 03928W 6X2NM ICEBERG3 4938S 03011W 4X1NM ICEBERG4 6103S 04511W
2X1NM ICEBERG5 5144S 03938W 9X3NM ICEBERG6 5220S 04015W 4X1NM ICEBERG7 5153S
03604W 2X1NM ICEBERG8 5546S 03206W 5X1NM ICEBERG9 5157S 04026W 4X1NM ICEBERG10
5013S 03704W 3X1NM ICEBERG11 5107S 03943W 5X2NM ICEBERG12 5936S 03418W 5X2NM
ICEBERG13 5231S 04118W 8X3NM ICEBERG14 5228S 04126W 4X2NM ICEBERG15 4839S 02614W
4X1NM ICEBERG16 5227S 04128W 3X1NM ICEBERG17 5052S 04035W 3X1NM ICEBERG18 5217S
04112W 3X1NM ICEBERG19 5016S 03700W 3X1NM ICEBERG20 5037S 03756W 6X1NM ICEBERG21
5154S 04030W 3X1NM ICEBERG22 4844S 02611W 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
HIGH 1023HPA 38S 36W MOV NE NC EXP 35S 32W BY 28/0000
LOW 993HPA 53S 51W MOV SE DPN EXP 55S 22W BY 28/0000 EXTENDS CFNT AT 54S 49W 49S
51W 41S 56W 37S 57W MOV E ASOCIATED WITH OFNT AT 53S 49W 54S 52W 53S 54W
LOW 993HPA 59S 45W MOV E DPN EXP 55S 22W BY 28/0000 EXTENDS CFNT AT 59S 42W 56S
46W 54S 49W MOV E ASOCIATED WITH WFNT AT 59S 42W 57S 37W 55S 31W
HIGH 1018HPA 44S 63W MOV E INTSF EXP 44S 50W BY 28/0000
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-01-28
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E 4 WITH GUSTS BY 27/1500 LOW PROB
OF SH DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 3/4 BACK SE 4/5 WITH GUSTS BY 27/1500 LOW PROB
OF ISOL SH STORMS DURING THE EARLY MORNING IMPR VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 4 BACK SECTOR S 4/5 WITH GUSTS BY 27/1800
PROB OF ISOL SH STORMS STARTING EARLY MORNING SPELLS OF GOOD WEATHER VIS GOOD TO
MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): VRB 4 VEER SE 4/5 WITH GUSTS BY 27/0900
PROB OF ISOL SH STORMS NEXT IMPR TOWARDS MORNING VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SE 4 BACK E 5 WITH GUSTS BY 27/1800
VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 5 WITH GUSTS VEER SECTOR N 6 GUST
WITH 8 INTENSITY BY 27/0900 VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6/7 GUST WITH 8 INTENSITY INCR
8 WITH GUSTS BY 27/0300 DECR 7/5 WITH GUSTS BY 27/2100 WORSENING WITH PROB OF
ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 7/9 WITH GUSTS BACK SECTOR S 6
GUST WITH 8 INTENSITY BY 27/1800 PROB OF SH RAIN STARTING EVENING VIS MODERATE
TO POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/7 GUST WITH 8 INTENSITY INCR 8
WITH GUSTS BY 27/0600 AFTERWARDS SW 6/5 GUST WITH 8 INTENSITY BY 27/1800 PROB OF
SH RAIN STARTING EARLY MORNING VIS MODERATE TO POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SECTOR N 5/7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY
27/1800 WORSENING WITH PROB OF SH RAIN STARTING EVENING VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 4/3 VEER SECTOR W 3/4 BY
27/2100 VIS GOOD
E OF 45W: VRB 3 VEER SECTOR N 3/4 BY 27/0900 VIS GOOD
REST OF THE AREA: SECTOR N 4 WITH GUSTS VEER VRB 4/3 BY 27/1800 WORSENING WITH
PROB OF ISOL SH STORMS TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 4/5 WITH GUSTS INCR
6 GUST WITH 8 INTENSITY BY 27/2100 WORSENING WITH PROB OF ISOL RAIN TOWARDS THE
END OF THE PERIOD VIS GOOD TO MODERATE
REST OF THE AREA: NW 5/6 GUST WITH 8 INTENSITY VEER SECTOR W 7/6 GUST WITH 8
INTENSITY BY 27/1200 PROB OF ISOL SH RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: NW 5/4 BACK SECTOR
S 4 BY 27/1200 PROB OF ISOL SH STORMS IMPR VIS MODERATE OCNL POOR TO GOOD
E OF 50 - S OF 45S: NW 6 GUST WITH 8 INTENSITY BACK SW 6/5 GUST WITH 8
INTENSITY BY 27/0300 AFTERWARDS SECTOR S 4 BY 27/1800 PROB OF SH RAIN IMPR VIS
POOR TO MODERATE
REST OF THE AREA: SECTOR S 5/4 VEER VRB 3 BY 27/0900 AFTERWARDS SECTOR N 5/4 BY
27/1800 LOW PROB OF ISOL RAIN DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 5/6 GUST WITH 8 INTENSITY
BACK SECTOR S 7/8 WITH GUSTS BY 27/1500 PROB OF HVY SH RAIN NXT DRIZZLE RAIN VIS
POOR
REST OF THE AREA: SECTOR E 4 VEER SECTOR S 6/7 GUST WITH 8 INTENSITY BY 27/1200
INCR 8 WITH GUSTS BY 27/2100 PROB OF SH RAIN VIS POOR OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 55 - N OF 55S: SW 7/8 WITH GUSTS
DECR 5 WITH GUSTS BY 27/1200 VEER SECTOR N 4/5 WITH GUSTS BY 27/2100 PROB OF HVY
RAIN NEXT IMPR VIS POOR TO MODERATE
W OF 55W: SECTOR W 4 VEER SECTOR N 7/8 WITH GUSTS BY 27/1500 PROB OF HVY RAIN
STARTING EVENING VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 6/7 GUST WITH 8 INTENSITY VEER VRB 4 BY 27/1500
AFTERWARDS SECTOR N 5/6 GUST WITH 8 INTENSITY BY 27/2100 PROB OF DRIZZLE RAIN
SPELLS OF GOOD WEATHER VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/6 GUST WITH 8 INTENSITY INCR
SECTOR N 9 WITH GUSTS BY 27/0900 AFTERWARDS SECTOR W 9/8 WITH GUSTS BY 27/2100
WORSENING WITH PROB OF HVY RAIN VIS POOR OCNL VERY POOR
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