1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 11, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1226/2026 LOW 958HPA NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 60S-65S 50W-35W FROM 10/1200 UNTIL 11/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 985HPA 64S 86W MOV E DPN
RIDGE 61S 62W 63S 64W 66S 66W MOV E NC
LOW 958HPA 63S 24W MOV E DPN
101400 UTC 1.SEA ICE LIMIT 5435S 02000W 5341S 02617W 5617S 03218W 5648S 03757W 5721S 04317W 5908S 04813W 6128S 05247W 6234S 05655W 6217S 06033W 5929S 06336W 5949S 06559W 6112S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5502S 04020W 28X25NM D33B 5733S 04803W 21X12NM A83 6017S 05053W 12X7NM A85 5842S 05059W 10X3NM ICEBERG1 5829S 04935W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5614S 03849W 9X6NM D33C 6139S 05351W 9X5NM ICEBERG2 5344S 04030W 5X3NM ICEBERG3 5841S 04652W 5X3NM ICEBERG4 5534S 04447W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W 3X2NM ICEBERG7 5919S 04844W 2X1NM ICEBERG8 5916S 04722W 6X2NM ICEBERG9 5839S 04657W 2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W B5706S 04159W 5000S 04000W 5800S 06716W 6052S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-12
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 3/4 INCR SECTOR W 5/6 WITH GUSTS BY 11/1200 PROB OF MIST PROB OF SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 4/6 WITH GUSTS BY 11/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 3/4 INCR SECTOR W 4/5 BY 11/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 VEER SECTOR W 5/6 WITH GUSTS BY 11/1200 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
GERLACHE STRAIT : SECTOR N 3/4 INCR NE 5/6 WITH GUSTS BY 11/0600 AFTERWARDS SECTOR W 3/4 BY 11/1800 PROB OF MIST PROB OFMOD SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 3/4 INCR NE 6/7 WITH GUSTS BY 11/0900 AFTERWARDS SECTOR W 3/4 BY 11/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR GRADUALLY DURING THE EVENING VIS MODERATE TO POOR
EREBUS Y TERROR GULF W OF 56W: SECTOR N 3/4 INCR SECTOR N 4/5 BY 11/1200 AFTERWARDS NW 3/4 BY 11/1800 VIS GOOD
EREBUS Y TERROR GULF REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 3/4 BY 11/1200 AFTERWARDS SECTOR W 3 BY 11/2100 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 75W: NW 5/6 WITH GUSTS BACK SECTOR W 6/7 WITH GUSTS BY 11/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY 11/1500 PROB OF INTERMITTENT SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 INCR SECTOR E 5/6 WITH GUSTS BY 11/1200 AFTERWARDS SECTOR N 4/5 BY 11/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 65S: SW 8/7 WITH GUSTS VEER SECTOR W 4/3 BY 11/1200 PROB OF ISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SECTOR W 4/3 BY 11/1500 PROB OF INTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/5 VEER SECTOR W 3/4 BY 11/1500 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-11, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 451: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN
SOUTH EAST AREA (50S- 60S AND 20W- 40W)
WARNING 449: LOW 1012HPA AT 36S 43W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR E WITH GUST BETWEEN 40S-45S
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1012HPA 36S 43W MOV SE DPN EXP 38S 40W BY 11/1800
HIGH 1030HPA 47S 52W NOT MOV NC EXTENDS RIDGE AT PENINSULA DE VALDES COASTS
RINCON BAHIA BLANCA COASTS
1.SEA ICE LIMIT 5435S 02000W 5341S 02617W 5617S 03218W 5648S 03757W 5721S 04317W
5908S 04813W 6128S 05247W 6234S 05655W 6217S 06033W 5929S 06336W 5949S 06559W
6112S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5502S 04020W 28X25NM D33B 5733S
04803W 21X12NM A83 6017S 05053W 12X7NM A85 5842S 05059W 10X3NM ICEBERG1 5829S
04935W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5614S 03849W 9X6NM D33C 6139S
05351W 9X5NM ICEBERG2 5344S 04030W 5X3NM ICEBERG3 5841S 04652W 5X3NM ICEBERG4
5534S 04447W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W 3X2NM
ICEBERG7 5919S 04844W 2X1NM ICEBERG8 5916S 04722W 6X2NM ICEBERG9 5839S 04657W
2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W
B5706S 04159W 5000S 04000W 5800S 06716W 6052S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-12
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 4 PROB OF DRIZZLE STARTING EARLY MORNING IMPR VIS GOOD
OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 4 PROB OF DRIZZLE SPELLS OF GOOD WEATHER VIS
MODERATE
URUGUAY SOUTH EAST COASTS: SW 5/4 WITH GUSTS BACK SECTOR S 4 BY 11/1800 PROB OF
DRIZZLE VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 4 PROB OF DRIZZLE SPELLS OF GOOD
WEATHER VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4 UNSTABLE VIS GOOD OCNL
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 4/5 WITH GUSTS VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 5/6 WITH GUSTS VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): NW 3/4 WITH GUSTS PROB OF MIST FOG PATCHES
STARTING EARLY MORNING DISSIPATING VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: NW 4 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SW 5/4 PROB OF ISOL DRIZZLE VIS
MODERATE
W OF 30 - E OF 40W: NE 6 WITH GUSTS PROB OF HVY RAIN VIS VERY POOR TO POOR
W OF 40 - E OF 50W: SECTOR E 7 GUST WITH 8 INTENSITY VEER SECTOR S 7 GUST WITH
8 INTENSITY BY 11/1800 PROB OF SH RAIN VIS VERY POOR
REST OF THE AREA: SE 6/5 WITH GUSTS PROB OF SH RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 6/7 GUST WITH 8 INTENSITY
PROB OF DRIZZLE VIS MODERATE
W OF 30 - N OF 45S: VRB 3 VEER SECTOR E 6 WITH GUSTS BY 11/1800 PROB OF RAIN
STARTING EARLY MORNING VIS MODERATE TO POOR
REST OF THE AREA: SW 6/4 WITH GUSTS PROB OF ISOL DRIZZLE VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR E 7/8 WITH
GUSTS PROB OF RAIN VIS VERY POOR
W OF 50 - N OF 45S: SE 6/4 PROB OF SH VIS MODERATE
E OF 50 - S OF 45S: SW 4 BACK SECTOR S 4 BY 11/1500 PROB OF DRIZZLE VIS
MODERATE
REST OF THE AREA: VRB 3 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 8 WITH GUSTS PROB OF SH OF
SNOW VIS POOR
REST OF THE AREA: SW 8 WITH GUSTS DECR 5 WITH GUSTS BY 11/1500 PROB OF SH OF
SNOW DURING THE MORNING VIS POOR TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 5/4 PROB OF DRIZZLE
VIS MODERATE
REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF RAIN SNOW FALL STARTING EARLY
MORNING VIS MODERATE TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 5/4 PROB OF RAIN TOWARDS THE END OF THE
PERIOD IMPR VIS MODERATE
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