1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-03, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 443: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W IN
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) UNTIL 04/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 996HPA 48S 66W MOV E DPN EXP 50S 61W BY 04/1200 EXTENDS CFNT AT MOV E
ASOCIATED WITH WFNT AT 48S 66W 49S 58W 46S 49W
RIDGE 34S 44W 56S 55W 59S 58W MOV SE
021400 UTC 1.SEA ICE LIMIT 5513S 02000W 5400S 02618W 5505S 03217W 5704S 03757W
5811S 04316W 5925S 04814W 6122S 05247W 6008S 05654W 5831S 06032W 5901S 06337W
6022S 06559W 6050S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5533S 04142W 28X25NM
D33B 5812S 04724W 21X12NM A76C 5523S 02515W 17X6NM A83 6047S 05205W 12X7NM A85
5913S 05107W 10X3NM ICEBERG1 5914S 05044W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5628S 03823W 9X6NM D33C 6149S 05409W 9X5NM ICEBERG2 5532S 04230W 5X3NM
ICEBERG3 5933S 04712W 5X3NM ICEBERG4 5517S 04617W 4X3NM ICEBERG5 5635S 04527W
3X1NM ICEBERG6 5905S 05031W 3X2NM ICEBERG7 5858S 04957W 2X1NM ICEBERG8 5935S
05121W 6X2NM 4.ICEBERGS AREA A5530S 02000W 5000S 02000W 5000S 03300W 5533S
03300W B5533S 03300W 5000S 03300W 5000S 04500W 5900S 04500W C5900S 04500W 5200S
04500W 5900S 06717W 6100S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-4
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/5 BACK SECTOR N 3/4 BY 03/2300 PROB OF SH RAIN
VIS MODERATE
OUTER RIO DE LA PLATA: SECTOR N 4/5 BACK SECTOR N 3/4 BY 03/2300 PROB OF SH RAIN
VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 BACK SECTOR N BY 03/2300 PROB OF SH RAIN
VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/5 BACK SECTOR W 3/4 BY 03/2300
PROB OF SH RAIN VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 BACK SECTOR W 3/4 BY
03/2300 PROB OF SH RAIN VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 BACK SECTOR W 3/4 BY
03/2300 PROB OF SH RAIN VIS MODERATE.
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4/5 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR E 5/6 WITH GUSTS VEER VRB 3 BY
4/0300 PROB OF SH RAIN VIS MODERATE TO GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR E 5/6 WITH GUSTS PROB OF SH RAIN VIS
MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR E 6/7 WITH GUSTS PROB OF SH RAIN VIS MODERATE TO
POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 6/7 GUST WITH 8 INTENSITY
BACK SECTOR S 5/4 ISOL RAIN VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR N 4/5 INCR 6/7 WITH GUSTS BY 4/0000 PROB OF SH RAIN
VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 8 WITH GUSTS PROB OF ISOL
RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 6/7 PROB OF SH RAIN VIS
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 6/7 VEER SECTOR W BY 4/0600
VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR S 5/6 WITH GUSTS VEER
SECTOR N BY 03/1800 VIS POOR
REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 4/5 PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 03, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1015HPA 64S 78W MOV E NC
LOW 965HPA 72S 23W MOV E DPN
TROUGH 70S 24W 67S 23W 65S 33W MOV E NC
021400 UTC 1.SEA ICE LIMIT 5513S 02000W 5400S 02618W 5505S 03217W 5704S 03757W 5811S 04316W 5925S 04814W 6122S 05247W 6008S 05654W 5831S 06032W 5901S 06337W 6022S 06559W 6050S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5533S 04142W 28X25NM D33B 5812S 04724W 21X12NM A76C 5523S 02515W 17X6NM A83 6047S 05205W 12X7NM A85 5913S 05107W 10X3NM ICEBERG1 5914S 05044W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5628S 03823W 9X6NM D33C 6149S 05409W 9X5NM ICEBERG2 5532S 04230W 5X3NM ICEBERG3 5933S 04712W 5X3NM ICEBERG4 5517S 04617W 4X3NM ICEBERG5 5635S 04527W 3X1NM ICEBERG6 5905S 05031W 3X2NM ICEBERG7 5858S 04957W 2X1NM ICEBERG8 5935S 05121W 6X2NM 4.ICEBERGS AREA A5530S 02000W 5000S 02000W 5000S 03300W 5533S 03300W B5533S 03300W 5000S 03300W 5000S 04500W 5900S 04500W C5900S 04500W 5200S 04500W 5900S 06717W 6100S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-4
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SW 3 BACK SECTOR S 3/4 BY 4/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 4/0000 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 DECR SW 4/3 BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 6/5 WITH GUSTS INCR SECTOR W 6/7 WITH GUSTS BY 4/0000 AFTERWARDS SW 4 BY 4/0900 VIS GOOD
GERLACHE STRAIT : SW 3/4 INCR SW 4/5 BY 4/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR S 3 INCR SW 4/5 BY 4/0000 PROB OF ISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR W 3/4 DECR SW 3 BY 4/0300 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 76W: SECTOR E 4/5 BACK NE 5/6 WITH GUSTS BY 4/0000 PROB OF SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3 INCR NW 4/5 BY 4/0300 PROB OF MIST DISSIPATING STARTING NOON VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 5/6 INCR SECTOR N 6/7 WITH GUSTS BY 4/0000 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR W 4/5 BACK SW 5/6 BY 4/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 6/7 WITH GUSTS DECR SECTOR S 6/5 WITH GUSTS BY 4/0300 PROB OF MIST IMPR STARTING NOON VIS MODERATE TO GOOD=