1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 01, 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 1020HPA 64S 82W MOV E NC
LOW 1004HPA 63S 55W MOV NE DPN
LOW 988HPA 72S 35W MOV E WKN
301400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W 5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W 6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5545S 04216W 28X25NM D33B 5829S 04718W 21X12NM A76C 5523S 02515W 17X6NM A83 6050S 05213W 12X7NM A85 5931S 05130W 10X3NM ICEBERG1 5939S 05118W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5636S 03812W 9X6NM D33C 6140S 05352W 9X5NM ICEBERG2 5557S 04323W 5X3NM ICEBERG3 5913S 04733W 5X3NM ICEBERG4 5555S 04715W 4X3NM ICEBERG5 5734S 04534W 3X1NM ICEBERG6 5938S 05128W 3X2NM ICEBERG7 5842S 04535W 3X2NM ICEBERG8 5919S 05018W 2X1NM 4.ICEBERGS AREA A5532S 02000W 5000S 02000W 5000S 04009W 5823S 04001W B5823S 04001W 5300S 04001W 5903S 06716W 6106S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-2
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SW 4 BACK SECTOR S 4 BY 2/0000 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS BY 2/0000 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 5/4 WITH GUSTS DECR SECTOR S 4 BY 2/0000 PROB OF MIST DISSIPATING DURING THE MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 6/5 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS BY 2/0200 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : SW 3/4 INCR SECTOR S 4/5 BY 2/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR GRADUALLY STARTING NOON VIS POOR TO MODERATE
MARGARITA BAY : SECTOR W 3/4 BACK SW 4 BY 01/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR GRADUALLY STARTING NOON VIS POOR TO MODERATE OCNL VERY POOR
EREBUS Y TERROR GULF : SW 4/5 INCR SECTOR S 5/6 WITH GUSTS BY 01/2100 AFTERWARDS SECTOR W 4 BY 2/0300 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR E 4/5 INCR SECTOR E 5/6 WITH GUSTS BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 BACK SECTOR S 3 BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SECTOR W 4 BY 2/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR W 4/5 BACK SECTOR S 5/6 WITH GUSTS BY 01/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/6 WITH GUSTS VEER SW 5/4 BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-1, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 444: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM NE WITH
GUST BETWEEN 35S-45S 20W-30W FROM 01/0600
WARNING 443: LOW 993HPA AT 40S 45W MOV SE DEEPENING PROVOKES WINDS FORCE 9
AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 30W-50W
WARNING 440: STRONG BARIC GRADIENT ON MOV SW PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-60S AND 20W-30W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
301400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W
5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W
6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5545S 04216W 28X25NM
D33B 5829S 04718W 21X12NM A76C 5523S 02515W 17X6NM A83 6050S 05213W 12X7NM A85
5931S 05130W 10X3NM ICEBERG1 5939S 05118W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5636S 03812W 9X6NM D33C 6140S 05352W 9X5NM ICEBERG2 5557S 04323W 5X3NM
ICEBERG3 5913S 04733W 5X3NM ICEBERG4 5555S 04715W 4X3NM ICEBERG5 5734S 04534W
3X1NM ICEBERG6 5938S 05128W 3X2NM ICEBERG7 5842S 04535W 3X2NM ICEBERG8 5919S
05018W 2X1NM 4.ICEBERGS AREA A5532S 02000W 5000S 02000W 5000S 04009W 5823S
04001W B5823S 04001W 5300S 04001W 5903S 06716W 6106S 06716W
LOW 993HPA 40S 45W MOV SE DPN EXP 42S 43W BY 01/1200
HIGH 1023HPA 37S 25W MOV NE NC
HIGH 1023HPA 51S 63W MOV NE NC
CFNT AT 54S 21W 52S 28W 51S 35W MOV NE
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-2
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3/4 VEER SW 4 WITH GUSTS BY 1/0900 PROB OF ISOL
SH RAIN STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SW 4/5 WITH GUSTS UNSTABLE TOWARDS MORNING VIS GOOD OCNL
MODERATE
URUGUAY SOUTH EAST COASTS: SW 4 WITH GUSTS INCR 5 WITH GUSTS BY 1/1200 PROB OF
SH OF RAIN STARTING EVENING VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SW 5 WITH GUSTS INCR 5/6 WITH GUSTS BY
1/0600 PROB OF SH OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4 WITH GUSTS VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 4/5 WITH GUSTS BACK SECTOR N
5/6 WITH GUSTS BY 1/1200 UNSTABLE DURING THE EARLY MORNING VIS GOOD OCNL
MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 3/4 INCR 5/6 WITH GUSTS BY
1/1200 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 1/1200
PROB OF FOG MIST DURING THE EVENING VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): NW 3/4 PROB OF FOG MIST VIS MODERATE TO
GOOD
ISLAS MALVINAS COASTS: SECTOR W 3/4 PROB OF ISOL RAIN STARTING EARLY MORNING
IMPR VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: VRB 3/4 BACK NE 6/7 GUST WITH 8
INTENSITY BY 1/0600 INCR 7/8 WITH GUSTS BY 1/0900 PROB OF RAIN STORMS VIS GOOD
TO POOR
E OF 40 - W OF 30W: NE 8 WITH GUSTS VEER SECTOR W 8/9 WITH GUSTS BY 1/0900 PROB
OF RAIN STORMS VIS POOR OCNL VERY POOR
E OF 50 - W OF 40W: SECTOR W 9/8 WITH GUSTS PROB OF RAIN STORMS VIS POOR OCNL
VERY POOR
REST OF THE AREA: SW 6/7 WITH GUSTS PROB OF SH OF RAIN VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR W 5 WITH
GUSTS VEER NW 7/8 WITH GUSTS BY 1/0600 PROB OF RAIN STORMS VIS MODERATE TO
POOR
W OF 30 - N OF 45S: SECTOR E 9/8 VEER SECTOR S 9/8 BY 1/1800 PROB OF RAIN
STORMS VIS POOR OCNL VERY POOR
E OF 30 - S OF 45S: SECTOR W 7/6 GUST WITH 8 INTENSITY VEER NE 6/5 WITH GUSTS
BY 1/2100 PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
REST OF THE AREA: SECTOR E 5 WITH GUSTS VEER SE 6/7 GUST WITH 8 INTENSITY BY
1/1500 PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR E 7/8 WITH
GUSTS VEER SECTOR S 8/9 WITH GUSTS BY 1/0600 PROB OF RAIN STORMS VIS VERY POOR
TO POOR
W OF 50 - N OF 45S: SECTOR S 6/5 WITH GUSTS DECR 5/4 WITH GUSTS BY 1/1800 PROB
OF SH OF RAIN STARTING EVENING IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SE 6/5 WITH GUSTS VEER SECTOR S 5 WITH GUSTS BY 1/1800 PROB
OF SH OF RAIN STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 8/7 WITH GUSTS VIS POOR
REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY VEER SECTOR W 6/5 WITH GUSTS BY
1/0600 VIS MODERATE TO GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR S 3/4 VEER SW 4 WITH
GUSTS BY 1/1200 PROB OF DRIZZLE STARTING EARLY MORNING IMPR VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF DRIZZLE STARTING EARLY
MORNING IMPR VIS GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 3 PROB OF ISOL RAIN SNOW FALL VIS GOOD
OCNL MODERATE
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