1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-08, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 450: LOW 1006HPA AT 35S 55W MOV SE WEAKENING EXPECTED 36S 47W BY 09/1200
PROVOKES WINDS FORCE 8 FROM SE WITH GUST IN MAR DEL PLATA COASTS FROM 08/1800
WARNING 449: LOW 1006HPA AT 35S 55W MOV SE WEAKENING EXPECTED 36S 47W BY 09/1200
PROVOKES WINDS FORCE 8 FROM E WITH GUST BETWEEN 35S-40S AND 55W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
071400 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 5507S 04058W 28X25NM
D33B 5759S 04814W 21X12NM A83 6030S 05127W 12X7NM A85 5848S 05050W 10X3NM
ICEBERG1 5830S 05002W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5621S 03848W 9X6NM
D33C 6154S 05405W 9X5NM ICEBERG2 5420S 04109W 5X3NM ICEBERG3 5913S 04611W 5X3NM
ICEBERG4 5521S 04539W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5839S 05043W
3X2NM ICEBERG7 5906S 04827W 2X1NM ICEBERG8 5840S 04855W 6X2NM 4.ICEBERGS AREA
A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W B5706S 04159W 5000S 04000W
5800S 06600W 6052S 06600W
LOW 1006HPA 35S 55W MOV SE WKN EXP 36S 47W BY 09/1200 EXTENDS WFNT AT 35S 55W
36S 50W 35S 46W MOV SE EXP 36S 47W 34S 38W 34S 38W BY 09/1200
HIGH 1030HPA 47S 60W MOV E INTSF EXP 47S 55W BY 09/1200
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 INCR 4/5 BY 08/1800 PROB OF MIST DRIZZLE RAIN
SPELLS OF GOOD WEATHER VIS POOR
OUTER RIO DE LA PLATA: SECTOR S 4/5 WITH GUSTS PROB OF DRIZZLE RAIN MIST SPELLS
OF GOOD WEATHER VIS POOR
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 VEER SECTOR S BY 9/0600 PROB OF RAIN
STORMS NXT PROB OF MIST DRIZZLE RAIN STARTING NIGTH VIS VERY POOR TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SE 6/7 GUST WITH 8 INTENSITY DECR 6/5 BY
9/0000 DECR 4/3 BY 9/1200 PROB OF HVY RAIN NXT PROB OF DRIZZLE RAIN STARTING
NIGTH IMPR VIS VERY POOR TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 5 DECR 5/4 BY 9/0300 PROB OF
DRIZZLE RAIN NXT PROB OF MIST FOG PATCHES VIS POOR
PENINSULA DE VALDES COASTS(41S - 45S): E 3/4 BACK SECTOR N BY 08/2100 PROB OF
MIST DRIZZLE VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 3/4 INCR 4/5 BY 9/0900 PROB OF
MIST FOG PATCHES VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 PROB OF MIST FOG PATCHES VIS
MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): W 3/4 VEER SECTOR N BY 9/0000 INCR 4/5 BY
9/1200 PROB OF MIST FOG PATCHES STARTING NIGTH VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: SECTOR W 4/3 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4/5 WITH GUSTS BACK SECTOR
S BY 9/0000 VIS MODERATE TO GOOD
REST OF THE AREA: E 6/8 WITH GUSTS PROB OF RAIN STORMS VIS VERY POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 5 WITH GUSTS VEER SECTOR W 6/7
WITH GUSTS BY 9/0600 VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR E 3 INCR 4/5 BY
9/0300 VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR S 4/3 BACK VRB BY 9/0000 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5/6 WITH GUSTS DECR 6/7 WITH
GUSTS BY 08/2100 BACK SW 6/5 WITH GUSTS BY 9/0900 VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS DECR 6/5 BY
9/0600 VIS POOR TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS DECR 5 BY 08/2100
VIS POOR TO MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 08, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1210/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-64S 90W-70W FROM 08/2100 UNTIL 09/1800
1211/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 62S-64S 60W-50W FROM 09/0300 UNTIL 10/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
TROUGH 68S 89W 67S 83W 66S 79W MOV E DPN
RIDGE 61S 71W 64S 72W 67S 47W MOV E NC
LOW 986HPA 65S 36W MOV E WKN
TROUGH 62S 52W 61S 51W 60S 50W MOV E WKN
071400 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 5507S 04058W 28X25NM D33B 5759S 04814W 21X12NM A83 6030S 05127W 12X7NM A85 5848S 05050W 10X3NM ICEBERG1 5830S 05002W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5621S 03848W 9X6NM D33C 6154S 05405W 9X5NM ICEBERG2 5420S 04109W 5X3NM ICEBERG3 5913S 04611W 5X3NM ICEBERG4 5521S 04539W 4X3NM ICEBERG5 5630S 04421W 3X1NM ICEBERG6 5839S 05043W 3X2NM ICEBERG7 5906S 04827W 2X1NM ICEBERG8 5840S 04855W 6X2NM 4.ICEBERGS AREA A5527S 02000W 5000S 02000W 5000S 04000W 5706S 04159W B5706S 04159W 5000S 04000W 5800S 06600W 6052S 06600W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 WITH GUSTS DECR NW 4/5 BY 08/2100 AFTERWARDS NW 6/5 WITH GUSTS BY 9/0600 PROB OF ISOL SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/6 WITH GUSTS INCR SECTOR W 6/7 WITH GUSTS BY 9/0300 PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 VEER NW 6/7 WITH GUSTS BY 9/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 INCR SECTOR W 7/8 WITH GUSTS BY 9/0300 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : SW 3/4 VEER NW 6/7 WITH GUSTS BY 9/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO POOR
MARGARITA BAY : SECTOR N 3/4 INCR SECTOR N 6/7 WITH GUSTS BY 9/0000 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE MORNING VIS VERY POOR TO POOR
EREBUS Y TERROR GULF : SW 3/4 VEER SECTOR N 5/6 WITH GUSTS BY 9/0600 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 9/0900 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 76W: NW 6/7 WITH GUSTS INCR NW 7/8 WITH GUSTS BY 08/2100 AFTERWARDS SECTOR W 6/7 WITH GUSTS BY 9/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 WITH GUSTS INCR NW 7/8 WITH GUSTS BY 9/0300 PROB OF INTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 6/7 BACK NW 6/7 WITH GUSTS BY 08/1800 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SW 3/4 BACK SECTOR W 5/6 WITH GUSTS BY 9/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/5 DECR SECTOR W 3 BY 9/0300 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD=