1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-13, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 452: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-60S 20W-35W FROM 13/2300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
121400 UTC 1.SEA ICE LIMIT 5335S 02000W 5330S 02618W 5416S 03217W 5556S 03758W
5713S 04316W 5919S 04814W 6103S 05248W 5940S 05654W 5924S 06033W 6010S 06336W
6123S 06559W 6150S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5509S 03952W 28X25NM
D33B 5718S 04748W 21X12NM A83 6020S 05031W 12X7NM A85 5838S 05044W 10X3NM
ICEBERG1 5829S 04852W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5611S 03843W 9X6NM
D33C 6138S 05355W 9X5NM ICEBERG2 5315S 04101W 5X3NM ICEBERG3 5828S 04656W 5X3NM
ICEBERG4 5550S 04432W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5809S 04940W
3X2NM ICEBERG7 5917S 04914W 2X1NM ICEBERG8 5926S 04709W 6X2NM ICEBERG9 5807S
04658W 2X1NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S
04159W B5706S 04159W 5000S 04000W 5800S 06716W 6052S 06716W
HIGH 1026HPA 47S 52W MOV E EXTENDS RIDGE AT 56S 55W 62S 63W
LOW 1002HPA 36S 18W MOV E EXTENDS CFNT AT 34S 20W 31S 40W 24S 58W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
OUTER RIO DE LA PLATA: SECTOR E 4/5 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
URUGUAY SOUTH EAST COASTS: SE 4/5 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 4 PROB OF ISOL DRIZZLE RAIN MIST
VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4 PROB OF ISOL DRIZZLE RAIN
MIST VIS MODERATE.
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 WITH GUSTS SH ISOL STORMS
VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS DECR 4 PROB OF
ISOL SH STORMS VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5 WITH GUSTS BACK SECTOR W 4 PROB
OF ISOL SH RAIN VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5 WITH GUSTS BACK VRB 4 BY 13/1800
PROB OF SH RAIN VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5/4 WITH GUSTS BACK SECTOR W 4 BY
13/1800 PROB OF RAIN VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR N 5/4 PROB OF ISOL SH RAIN VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 5/4 PROB OF ISOL RAIN VIS
MODERATE TO GOOD
REST OF THE AREA: SECTOR E 4/5 PROB OF SH VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 5/5 WITH GUSTS BACK SECTOR S 5/6
WITH GUSTS BY 13/2100 PROB OF ISOL SH RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR E 4 PROB OF ISOL
DRIZZLE RAIN VIS MODERATE
E OF 50 - S OF 45S: SECTOR S 4 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
REST OF THE AREA: SECTOR N 4 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 35W: SECTOR S 5/6 WITH GUSTS VEER
SW 7/8 WITH GUSTS BY 13/2100 PROB OF SH OF RAIN SH OF SNOW VIS MODERATE TO
POOR
REST OF THE AREA: SECTOR S 5/4 UNSTABLE VIS MODERATE TO GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 4 VEER SECTOR N 3/4
BY 13/1800 VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR N 4/5 PROB OF SH VIS MODERATE TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4 BACK SECTOR W 4 BY 13/2100 PROB
OF RAIN VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 12, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1228/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E INTENSIFYING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 68S-70S 77W-70W FROM 13/0000 UNTIL 14/2300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 62S 67W 65S 67W 68S 67W MOV E NC
HIGH 1008HPA 65S 39W MOV E NC
TROUGH 63S 47W 61S 44W 60S 41W MOV E NC
LOW 987HPA 77S 35W MOV NE DPN
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 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-13
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 VEER NE 3/4 BY 13/0300 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 DECR SW 3/4 BY 12/2100 AFTERWARDS SECTOR N 3 BY 13/0300 PROB OF MIST DISSIPATING STARTING NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 VEER SECTOR N 3/4 BY 13/0300 PROB OF ISOL SNOW FALL PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 4/5 VEER SECTOR E 3/4 BY 12/2100 AFTERWARDS SECTOR N 5/4 BY 13/0900 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR W 3/4 VEER SECTOR N 3/4 BY 13/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : SECTOR N 3 INCR NE 5/6 WITH GUSTS BY 13/0000 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
EREBUS Y TERROR GULF : SW 3 VEER SECTOR N 3/4 BY 13/0000 PROB OF MIST WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 5/6 WITH GUSTS INCR SECTOR N 6/7 WITH GUSTS BY 13/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 6/7 WITH GUSTS INCR NE 7/8 WITH GUSTS BY 13/0300 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR S 3/4 VEER SW 3/4 BY 13/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 INCR SW 5/6 WITH GUSTS BY 13/0600 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 5/6 WITH GUSTS DECR SW 4/5 BY 13/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD=