1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 31, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
103/2026 LOW 964HPA AT 74S 42W SOUTHERN WEDDELL SEA PROVOKES WINDS FORCE 8 FROM NE WITH GUST VEER SECTOR E IN 74S-78S 40W-30W UNTIL 31/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 972HPA 71S 85W MOV SE WKN
RIDGE 71S 65W 68S 65W 65S 66W MOV E WKN
LOW 964HPA 74S 42W MOV SE WKN
301400 UTC 1.SEA ICE LIMIT 7203S 02000W 6159S 02723W 6658S 02931W 6054S 03852W 6139S 04457W 6024S 04736W 6217S 05407W 6311S 05735W 6403S 06101W 6424S 06256W 6604S 06549W 6655S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5054S 04037W 26X22NM A23J 5221S 04122W 11X8NM A77 5036S 02636W 27X4NM A76C 5945S 03804W 16X7NM B15AB 5733S 03425W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5014S 03756W 6X1NM ICEBERG2 5226S 03935W 6X2NM ICEBERG3 5154S 03607W 2X1NM ICEBERG4 5546S 03206W 5X1NM ICEBERG5 5157S 04045W 4X1NM ICEBERG6 5103S 03934W 5X2NM ICEBERG7 5924S 03457W 5X2NM ICEBERG8 5224S 04131W 8X3NM ICEBERG9 5224S 04116W 4X2NM ICEBERG10 4826S 02601W 4X1NM ICEBERG11 4933S 04041W 3X1NM ICEBERG12 5016S 03700W 3X1NM ICEBERG13 4955S 03741W 6X1NM ICEBERG14 5154S 04030W 3X1NM ICEBERG15 4832S 02601W 3X1NM ICEBERG16 6052S 05222W 5X4NM 4.ICEBERGS AREA A 6200S 02000W 4500S 02000W 4500S 03450W 6115S 03850W B 6115S 03850W 4805S 03540W 4800S 04128W 6048S 05018W C 7000S 02000W 6200S 02000W 6220S 02750W 7020S 03000W D 6048S 05018W 5650S 04700W 6300S 06716W 6655S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-2-1
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: VRB 3/5 INCR SECTOR W 5/6 WITH GUSTS BY 31/0900 PROB OF MIST PROB OFSCT DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: VRB 3/5 INCR SECTOR W 5/6 WITH GUSTS BY 31/1200 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: VRB 3/5 INCR SECTOR W 5/6 WITH GUSTS BY 31/0900 PROB OF MIST PROB OFSCT DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: VRB 3/5 INCR SECTOR W 5/6 WITH GUSTS BY 31/1200 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : VRB 3/4 INCR SECTOR W 4/5 WITH GUSTS BY 31/1800 PROB OF SCT MIST PROB OFSCT DRIZZLE RAIN WORSENING STARTING NIGTH VIS GOOD TO MODERATE
MARGARITA BAY : NW 5/4 WITH GUSTS DECR NW 3/4 BY 31/1800 PROB OF SCT MIST PROB OFSCT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF N OF 65S: SECTOR W 5/4 DECR VRB 3/4 BY 31/0300 PROB OF SCT MIST DISSIPATING DURING THE MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF REST OF THE AREA: SECTOR W 5/4 INCR SECTOR W 5/6 WITH GUSTS BY 31/0300 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR W 6/7 BACK SW 6/5 BY 31/2000 PROB OF MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 5/6 BACK SECTOR W 5/4 BY 31/0600 PROB OF SCT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 4/5 DECR VRB 3 BY 31/0600 PROB OF SCT MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: VRB 3/4 INCR SECTOR W 4/6 BY 31/1500 PROB OF MIST PROB OFSCT DRIZZLE RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA N OF 72S: VRB 3/4 INCR SW 5/6 BY 31/1800 PROB OF SCT MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA REST OF THE AREA: NE 8/7 WITH GUSTS BACK SECTOR E 7/8 BY 31/0600 DECR SECTOR E 7/6 BY 31/2200 PROB OF INTERMITTENT SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-31, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 45: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR S
WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FROM 30/2100
WARNING 44: STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 50S-55S 30W-40W FROM 31/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1025HPA 43S 43W MOV E NC
LOW 1005HPA 48S 67W MOV E DPN
CFNT AT 59S 52W 55S 60W 50S 68W MOV NE
CFNT AT 58S 65W 57S 67W 65S 70W MOV NE
301400 UTC 1.SEA ICE LIMIT 7203S 02000W 6159S 02723W 6658S 02931W 6054S 03852W
6139S 04457W 6024S 04736W 6217S 05407W 6311S 05735W 6403S 06101W 6424S 06256W
6604S 06549W 6655S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5054S 04037W 26X22NM
A23J 5221S 04122W 11X8NM A77 5036S 02636W 27X4NM A76C 5945S 03804W 16X7NM B15AB
5733S 03425W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5014S 03756W 6X1NM
ICEBERG2 5226S 03935W 6X2NM ICEBERG3 5154S 03607W 2X1NM ICEBERG4 5546S 03206W
5X1NM ICEBERG5 5157S 04045W 4X1NM ICEBERG6 5103S 03934W 5X2NM ICEBERG7 5924S
03457W 5X2NM ICEBERG8 5224S 04131W 8X3NM ICEBERG9 5224S 04116W 4X2NM ICEBERG10
4826S 02601W 4X1NM ICEBERG11 4933S 04041W 3X1NM ICEBERG12 5016S 03700W 3X1NM
ICEBERG13 4955S 03741W 6X1NM ICEBERG14 5154S 04030W 3X1NM ICEBERG15 4832S 02601W
3X1NM ICEBERG16 6052S 05222W 5X4NM 4.ICEBERGS AREA A 6200S 02000W 4500S 02000W
4500S 03450W 6115S 03850W B 6115S 03850W 4805S 03540W 4800S 04128W 6048S 05018W
C 7000S 02000W 6200S 02000W 6220S 02750W 7020S 03000W D 6048S 05018W 5650S
04700W 6300S 06716W 6655S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-2-1
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 7/6 GUST WITH 8 INTENSITY DECR 5/4 WITH GUSTS BY
31/0600 INCR 5/6 WITH GUSTS BY 31/1800 PROB OF RAIN STORMS IMPR STARTING EARLY
MORNING VIS MODERATE OCNL GOOD
OUTER RIO DE LA PLATA: SECTOR E 7/6 GUST WITH 8 INTENSITY DECR 5/4 WITH GUSTS BY
31/0600 INCR 5/6 WITH GUSTS BY 31/1800 PROB OF RAIN STORMS IMPR STARTING EARLY
MORNING VIS MODERATE OCNL GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 5/4 WITH GUSTS PROB OF SH RAIN VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 7/6 GUST WITH 8 INTENSITY BACK
NE 6/5 WITH GUSTS BY 31/0600 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE
PERIOD VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 6/5 WITH GUSTS BACK SECTOR N 5/6
WITH GUSTS BY 31/0900 VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 7/6 GUST WITH 8 INTENSITY DECR
6/5 WITH GUSTS BY 31/0600 PROB OF SH RAIN STARTING EARLY MORNING VIS MODERATE
OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 7/6 GUST WITH 8 INTENSITY BACK
SECTOR S 7/8 BY 31/2100 VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S) N OF 51S: SECTOR S 4/5 WITH GUSTS INCR 6/7
GUST WITH 8 INTENSITY BY 31/1200 INCR 7/8 WITH GUSTS BY 31/2100 PROB OF ISOL
RAIN VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SE 5/6 WITH GUSTS INCR 6/7
GUST WITH 8 INTENSITY BY 31/1500 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4/5 WITH GUSTS BACK SW 5/6 WITH
GUSTS BY 31/0900 PROB OF SH RAIN VIS MODERATE
ISLAS MALVINAS COASTS: NW 6/5 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS BY 31/1500
PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 5 WITH GUSTS BACK NE 4/3
BY 31/1800 PROB OF DRIZZLE RAIN DURING THE EARLY MORNING NEXT IMPR VIS MODERATE
TO GOOD
REST OF THE AREA: SECTOR E 5/6 WITH GUSTS PROB OF SH RAIN STARTING EARLY
MORNING VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) S OF 45 - E OF 30W: SECTOR W 5/6 WITH
GUSTS VIS MODERATE OCNL GOOD
N OF 45 - E OF 30W: SW 5 WITH GUSTS BACK VRB 4/3 BY 31/2100 VIS GOOD
REST OF THE AREA: VRB 4/3 BACK SECTOR W 5/6 WITH GUSTS BY 31/0600 VIS GOOD OCNL
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: VRB 3 BACK NW 3/4 WITH GUSTS
BY 31/0600 VIS GOOD
REST OF THE AREA: SECTOR N 4/5 WITH GUSTS VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55 - W OF 30W: SECTOR W 6/7 GUST
WITH 8 INTENSITY INCR 7/8 WITH GUSTS BY 31/0600 PROB OF ISOL RAIN VIS POOR OCNL
MODERATE
S OF 55 - W OF 30W: SECTOR W 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS INCR 6/7 GUST WITH 8 INTENSITY BY
31/1500 PROB OF RAIN VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: NW 6/5 WITH GUSTS INCR NW 6/7
GUST WITH 8 INTENSITY BY 31/0600 BACK SECTOR W 6/5 WITH GUSTS BY 31/1800 PROB OF
ISOL RAIN VIS MODERATE OCNL GOOD
N OF 55 - W OF 50W: NW 6/5 WITH GUSTS BACK SECTOR S 5 WITH GUSTS BY 31/1800
PROB OF RAIN STORMS VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5 WITH GUSTS INCR 6/7 GUST WITH 8
INTENSITY BY 31/1800 PROB OF SH RAIN VIS MODERATE OCNL POOR
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