1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-3, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 446: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 35S-40S 20W-40W
WARNING 443: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SW WITH
GUST BETWEEN 40S-50S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
LOW 965HPA 46S 23W MOV E INTSF
HIGH 1015HPA 55S 57W MOV NE WKN
RIDGE 38S 50W 44S 52W 49S 53W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-4
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4 DECR VRB 3 BY 3/1800 PROB OF RAIN STORMS STARTING
EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
OUTER RIO DE LA PLATA: NE 5/4 WITH GUSTS DECR VRB 3 BY 3/2100 PROB OF ISOL RAIN
STORMS STARTING EARLY MORNING VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: NE 4 PROB OF ISOL RAIN STARTING EVENING VIS GOOD TO
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 5/4 PROB OF SH RAIN VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS BACK NW 4 BY
3/1800 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6 WITH GUSTS BACK NW 4 BY
3/1800 PROB OF ISOL RAIN STORMS STARTING EARLY MORNING IMPR VIS MODERATE TO
GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6 WITH GUSTS BACK SECTOR W 4 BY
3/1200 PROB OF SH RAIN TOWARDS EVENING IMPR VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): NE 7 GUST WITH 8 INTENSITY PROB OF RAIN VIS
POOR
FIN DEL MUNDO COASTS(54S - 55S): NE 6 WITH GUSTS PROB OF RAIN STARTING EARLY
MORNING VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: NE 6/7 GUST WITH 8 INTENSITY PROB OF RAIN STARTING EARLY
MORNING VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 8/7 WITH GUSTS PROB OF SH RAIN
VIS POOR
W OF 40 - E OF 50W: SW 4 BACK NE 4/5 WITH GUSTS BY 3/1800 UNSTABLE VIS GOOD
OCNL MODERATE
REST OF THE AREA: NE 5/6 WITH GUSTS PROB OF SH RAIN STARTING EARLY MORNING VIS
GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 9 WITH GUSTS PROB OF RAIN
SNOW FALL VIS VERY POOR
REST OF THE AREA: SW 8 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 7/6 GUST WITH 8
INTENSITY VEER NE 4 BY 3/2100 PROB OF SH RAIN AND SNOW MIXTURE STARTING EARLY
MORNING IMPR VIS POOR TO MODERATE
REST OF THE AREA: NE 6/7 GUST WITH 8 INTENSITY PROB OF RAIN VIS VERY POOR TO
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR S 6/7 GUST WITH 8
INTENSITY PROB OF SNOW FALL VIS POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS PROB OF ISOL SNOW FALL VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY
PROB OF SH OF SNOW STARTING EARLY MORNING IMPR VIS MODERATE
W OF 50 - N OF 55S: NE 5/6 WITH GUSTS UNSTABLE TOWARDS THE END OF THE PERIOD
VIS MODERATE
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VIS GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): NE 5 WITH GUSTS PROB OF ISOL RAIN STARTING
EVENING VIS GOOD TO MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 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 21:00UTC
HIGH 1014HPA 64S 78W MOV E WKN
TROUGH 73S 52W 75S 47W 76S 39W MOV E DPN
RIDGE 63S 44W 65S 37W 66S 28W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-4
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SW 3/4 DECR SECTOR W 3 BY 3/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS DECR SECTOR W 5/4 BY 3/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 VEER SECTOR W 4 BY 3/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 WITH GUSTS DECR SW 4/3 BY 3/1500 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : SW 5/6 WITH GUSTS INCR SW 6/7 WITH GUSTS BY 3/1800 PROB OF FOG AND MIST IN PATCHES IMPR GRADUALLY DURING THE EVENING VIS POOR TO MODERATE
MARGARITA BAY : SW 3/4 DECR SECTOR E 3 BY 3/1500 PROB OF FOG AND MIST IN PATCHES DISSIPATING STARTING NOON VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : SW 3 VEER SECTOR W 3/4 BY 3/1500 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 76W: NW 5/6 WITH GUSTS VEER SECTOR N 6/7 WITH GUSTS BY 3/1500 PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3/4 BACK SECTOR S 3 BY 3/1500 PROB OF MIST DISSIPATING STARTING NOON VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 INCR SECTOR N 5/6 WITH GUSTS BY 3/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING NOON VIS MODERATE TO POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR S 4/5 VEER SW 4/5 BY 3/1800 PROB OF MIST DISSIPATING STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 INCR SW 6/7 WITH GUSTS BY 3/1500 PROB OF ISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD=