1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-31, 12:00 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 MOV NE WILL PROVOKE WINDS FORCE 8 FROM SECTOR
S WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FROM 31/2100
UNTIL 01/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
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
LOW 1006HPA 46S 65W MOV SE DPN EXP 55S 35W BY 01/1200
HIGH 1025HPA 42S 35W MOV NE EXP 37S 20W BY 01/1200
CFNT AT 50S 60W 55S 48W 60S 35W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-2-1
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 WITH GUSTS DECR BY 1/0300 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR E 3/5 WITH GUSTS DECR BY 1/0300 PROB OF ISOL RAIN
IMPR DURING THE EVENING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 WITH GUSTS VEER SECTOR S 5 WITH GUSTS BY
1/0300 PROB OF ISOL SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO
GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 4 WITH GUSTS BACK SECTOR N 3 BY
1/0300 PROB OF ISOL RAIN IMPR DURING THE EVENING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 5/6 WITH GUSTS BACK SECTOR S 4
WITH GUSTS BY 1/0300 PROB OF SH TOWARDS THE END OF THE PERIOD VIS GOOD OCNL
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6 WITH GUSTS BACK SECTOR S 7
WITH GUSTS BY 31/1500 PROB OF ISOL SH STORMS TOWARDS EVENING VIS GOOD TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 4/8 WITH GUSTS DECR BY 1/0300
PROB OF ISOL SH RAIN IMPR DURING THE EVENING VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/8 WITH GUSTS BACK SECTOR W 4 BY
1/0000 PROB OF RAIN IMPR TOWARDS NIGTH VIS POOR TO GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4/7 WITH GUSTS PROB OF RAIN IMPR
TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR S 4/5 WITH GUSTS PROB OF RAIN IMPR TOWARDS NIGTH
VIS MODERATE TO GOOD OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 4 WITH GUSTS BACK SECTOR N
5 WITH GUSTS BY 31/1800 VIS GOOD
W OF 30 - E OF 50W: SECTOR E 6/5 WITH GUSTS PROB OF RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR E 5/4 WITH GUSTS PROB OF ISOL SH RAIN IMPR TOWARDS THE
END OF THE PERIOD VIS MODERATE TO GOOD OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) S OF 45S: SECTOR W 5/6 WITH GUSTS PROB
OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 3/4 WITH GUSTS VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) S OF 45S: NW 5/6 WITH GUSTS BACK
SECTOR S 4 WITH GUSTS BY 1/0000 PROB OF RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 4 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 7/6 GUST WITH 8 INTENSITY PROB
OF RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 6/4 WITH GUSTS PROB
OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL GOOD
REST OF THE AREA: SECTOR W 5/7 WITH GUSTS PROB OF RAIN SPELLS OF GOOD WEATHER
VIS MODERATE TO POOR OCNL GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/7 WITH GUSTS PROB OF RAIN VIS
MODERATE TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 31, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
104/2026 LOW 963HPA AT 73S 43W SOUTHERN WEDDELL SEA PROVOKES WINDS FORCE 8 FROM SECTOR E IN 74S-78S 40W-30W UNTIL 31/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 976HPA 70S 80W MOV SE WKN
RIDGE 68S 67W 65S 65W 63S 61W MOV E WKN
LOW 963HPA 73S 43W 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-2-1
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT : SECTOR W 6/5 WITH GUSTS PROB OF MIST PROB OFSCT DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 INCR SECTOR W 5/6 WITH GUSTS BY 31/1500 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 31/1500 PROB OF MIST DISSIPATING DURING THE NIGTH VIS GOOD TO MODERATE
GERLACHE STRAIT : VRB 3/4 INCR SECTOR W 4/5 WITH GUSTS BY 31/1800 VEER SW BY 1/0600 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 1/0000 PROB OF SCT MIST PROB OFSCT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SECTOR W 3/4 PROB OF SCT MIST WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
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 SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 5/6 BACK SW 5/4 WITH GUSTS BY 31/2300 PROB OF SCT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): 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: SECTOR E 7/8 WITH GUSTS DECR SECTOR E 6/5 BY 1/0300 PROB OF INTERMITTENT SNOW FALL IMPR STARTING NIGTH VIS MODERATE TO POOR=