1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-8, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 449: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH
GUST IN MAR DEL PLATA COASTS BETWEEN 35S-40S AND 45W-55W FROM 08/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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 1013HPA 41S 24W MOV SE NC EXTENDS CFNT AT ASOCIATED WITH OFNT AT 39S 20W 42S
22W 42S 27W
LOW 1010HPA 48S 34W MOV NE WKN EXTENDS OFNT AT
HIGH 1023HPA 35S 38W MOV NE NC
HIGH 1026HPA 46S 62W MOV E INTSF EXP 47S 58W BY 09/0000
CFNT AT 60S 49W 55S 52W 52S 58W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 3/4 WITH GUSTS INCR 5 WITH GUSTS PROB OF RAIN VIS POOR
OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR E 6 GUST WITH 8 INTENSITY BACK SE 6 WITH GUSTS
PROB OF HVY RAIN NXT DRIZZLE RAIN VIS POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 6 GUST WITH 8 INTENSITY PROB OF HVY RAIN
STORMS NXT DRIZZLE RAIN VIS VERY POOR TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 7/11 WITH GUSTS DECR 6 GUST WITH 8
INTENSITY BY 8/1200 PROB OF HVY RAIN NXT DRIZZLE RAIN VIS VERY POOR OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SE 6/5 GUST WITH 8 INTENSITY DECR 4
PROB OF DRIZZLE RAIN VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4 PROB OF ISOL DRIZZLE NXT FOG
MIST VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 3/4 PROB OF FOG MIST
DISSIPATING VIS MODERATE OCNL GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4 PROB OF FOG MIST DISSIPATING VIS
MODERATE OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 3/4 VEER SECTOR N 3 PROB OF FOG MIST
DISSIPATING VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SECTOR W 4 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SW 4 INCR 5 PROB OF SH RAIN SPELLS
OF GOOD WEATHER VIS MODERATE OCNL GOOD
E OF 45W: VRB 3 VEER SECTOR E 5/6 GUST WITH 8 INTENSITY WORSENING WITH PROB OF
SH RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR
REST OF THE AREA: SECTOR E 7/11 WITH GUSTS PROB OF HVY RAIN STORMS VIS POOR
OCNL VERY POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 5 WITH GUSTS BACK
SW 5 WITH GUSTS PROB OF SH RAIN TOWARDS THE END OF THE PERIOD IMPR VIS MODERATE
TO GOOD
REST OF THE AREA: SW 5 WITH GUSTS INCR 6 GUST WITH 8 INTENSITY PROB OF SH RAIN
NXT RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR S 4 VEER SECTOR E 5
PROB OF ISOL DRIZZLE VIS MODERATE OCNL GOOD
E OF 50 - S OF 45S: SW 4 PROB OF ISOL DRIZZLE VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR S 3 VEER VRB 3 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SW 5/6 WITH GUSTS VEER W 6
GUST WITH 8 INTENSITY WORSENING WITH PROB OF RAIN AND SNOW MIXTURE TOWARDS THE
END OF THE PERIOD VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF ISOL SNOW FALL VIS MODERATE
OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 5/6 WITH GUSTS VIS
GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY PROB OF ISOL RAIN AND SNOW
MIXTURE VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7 GUST WITH 8 INTENSITY DECR 5 WITH
GUSTS LOW PROB OF ISOL RAIN VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 08, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1209/2026 STRONG BARIC GRADIENT MARGARITA BAY WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 66S-68S 70W-68W FROM 08/1500 UNTIL 09/0000
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 990HPA 65S 78W MOV E NC
RIDGE 61S 66W 63S 66W 65S 67W MOV E NC
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: NW 6/5 WITH GUSTS BACK SECTOR W 6/7 WITH GUSTS BY 8/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 6/7 BACK SW 6/5 WITH GUSTS BY 8/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 BACK SW 5/6 WITH GUSTS BY 8/1200 AFTERWARDS NW 5/6 WITH GUSTS BY 8/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 WITH GUSTS INCR SECTOR W 6/7 WITH GUSTS BY 8/0600 AFTERWARDS SW 4/5 BY 8/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
GERLACHE STRAIT : NW 3/4 BACK SECTOR W 5/6 WITH GUSTS BY 8/1200 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 8/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO POOR OCNL MODERATE
MARGARITA BAY : NW 3/4 VEER SECTOR N 6/8 WITH GUSTS BY 8/1500 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS VERY POOR TO POOR
EREBUS Y TERROR GULF : NW 3/4 BACK SECTOR W 3/4 BY 8/1200 AFTERWARDS SECTOR N 4/5 BY 8/2100 PROB OF MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 6/7 WITH GUSTS VEER SECTOR N 6/7 WITH GUSTS BY 8/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 5/6 WITH GUSTS BY 8/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 INCR SECTOR N 6/7 WITH GUSTS BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS VERY POOR TO POOR
NORTHERN WEDDELL SEA W OF 34W: SECTOR W 4/5 DECR SECTOR W 3/4 BY 8/1200 AFTERWARDS SECTOR S 4 BY 8/2100 PROB OF ISOL SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 BACK SECTOR S 3/4 BY 8/1800 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 5/6 WITH GUSTS DECR SW 5/4 BY 8/1500 PROB OF ISOL SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS GOOD=