1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-12, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1008HPA 38S 36W MOV E NC EXP 37S 20W BY 12/1800 EXTENDS CFNT AT 38S 34W 35S
33W MOV E ASOCIATED WITH OFNT AT 38S 34W 40S 40W 37S 48W
LOW 1008HPA 38S 43W MOV E NC EXP 37S 20W BY 12/1800
HIGH 1027HPA 47S 55W MOV E NC EXP 47S 50W BY 13/0000
111400 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 04010W 28X25NM
D33B 5724S 04754W 21X12NM A83 6020S 05031W 12X7NM A85 5840S 05051W 10X3NM
ICEBERG1 5831S 04900W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5612S 03845W 9X6NM
D33C 6138S 05354W 9X5NM ICEBERG2 5328S 04043W 5X3NM ICEBERG3 5835S 04658W 5X3NM
ICEBERG4 5539S 04442W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5755S 04914W
3X2NM ICEBERG7 5919S 04844W 2X1NM ICEBERG8 5925S 04714W 6X2NM ICEBERG9 5838S
04649W 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 2026-10-13
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 4 SECTOR E WITH GUSTS LOW PROB OF INTERMITTENT DRIZZLE
RAIN VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SE 4 VEER SECTOR E WITH GUSTS LOW PROB OF INTERMITTENT
DRIZZLE RAIN VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 4/3 VEER SE STARTING NOON LOW PROB
OFINTERMITTENT DRIZZLE RAIN VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 3 VEER SECTOR E LOW PROB OF
INTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 4 VEER E 5 WITH GUSTS VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6/5 GUST WITH 8 INTENSITY PROB
OF ISOL SH RAIN VIS MODERATE OCNL GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6 GUST WITH 8 INTENSITY PROB OF
ISOL SH RAIN VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6 GUST WITH 8 INTENSITY VEER VRB
5/4 PROB OF ISOL SH RAIN VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4 WITH GUSTS PROB OF ISOL RAIN PROB
OF SH VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR N 4/5 WITH GUSTS PROB OF RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR E 6 GUST WITH 8 INTENSITY
VEER SE 6/5 WITH GUSTS BY 12/1500 PROB OF SH RAIN PROB OF DRIZZLE RAIN VIS POOR
OCNL MODERATE
E OF 45W: VRB 5 VEER SE 6/5 GUST WITH 8 INTENSITY PROB OF DRIZZLE RAIN VIS
MODERATE OCNL POOR
REST OF THE AREA: SE 5 PROB OF DRIZZLE RAIN VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 5/4 PROB OF ISOL
DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR S 4 VEER SW 5/6 WITH GUSTS PROB OF ISOL DRIZZLE RAIN
SPELLS OF GOOD WEATHER VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR E 5/4 WITH GUSTS VIS
GOOD
E OF 50 - S OF 45S: SECTOR S 4 VEER SW 5 LOW PROB OF ISOL RAIN VIS GOOD TO
MODERATE
REST OF THE AREA: VRB 3 VEER N 3 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: VRB 7/6 GUST WITH 8 INTENSITY
VEER S 5 WITH GUSTS PROB OF ISOL RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
W OF 30 - N OF 55S: SECTOR W 5/6 GUST WITH 8 INTENSITY VEER SECTOR S 5 WITH
GUSTS PROB OF ISOL RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER S 4 PROB OF ISOL RAIN AND SNOW
MIXTURE VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 5/4 VIS GOOD
REST OF THE AREA: SECTOR W 6/5 GUST WITH 8 INTENSITY VEER SECTOR S 4/3 VEER VRB
3 LOW PROB OF ISOL RAIN VIS MODERATE TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 3 VEER NE 3/4 PROB OF FOG MIST NXT
PROB OFISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 11, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1227/2026 LOW 958HPA NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 60S-65S 50W-35W UNTIL 12/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 988HPA 67S 57W MOV W WKN
RIDGE 61S 56W 63S 60W 65S 64W MOV E NC
TROUGH 64S 55W 63S 53W 62S 51W MOV E NC
RIDGE 64S 44W 68S 48W 71S 51W MOV E NC
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 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-12
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 WITH GUSTS BACK SW 4/3 BY 11/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/6 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY 12/0000 AFTERWARDS SW 3/4 BY 12/0900 PROB OF ISOL SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 BACK SW 3/4 BY 12/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/6 WITH GUSTS BACK SECTOR W 6/7 WITH GUSTS BY 12/0000 AFTERWARDS SW 4/3 BY 12/0900 PROB OF ISOL SNOW FALL IMPR DURING THE NIGTH VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 6/7 WITH GUSTS BACK SECTOR W 4/5 BY 12/0000 PROB OF INTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : NE 6/7 WITH GUSTS BACK SECTOR W 4/5 BY 12/0000 AFTERWARDS SECTOR N 3 BY 12/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR N 3/4 BACK SW 3/4 BY 12/0600 PROB OF MIST IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 75W: NW 5/6 WITH GUSTS BACK SECTOR N 5/6 WITH GUSTS BY 12/0600 PROB OF SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 WITH GUSTS DECR NW 4/3 BY 12/0000 AFTERWARDS SECTOR N 4/3 BY 12/0900 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 6/7 WITH GUSTS BACK SECTOR N 5/6 WITH GUSTS BY 12/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA W OF 35W: SECTOR W 4/5 DECR VRB 3 BY 12/0600 PROB OF SNOW FALL IMPR DURING THE EVENING VIS GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 7/8 WITH GUSTS DECR SECTOR S 5/4 BY 12/1800 PROB OF MIST IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/5 VEER NW 4/5 BY 12/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE=