1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-6, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 448: LOW 988HPA AT 42S 33W MOV E DEEPENING PROVOKES WINDS FORCE 8 AROUND
ITSELF WITH GUST BETWEEN 35S-45S AND 20W-40W UNTIL 06/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
051400 UTC 1.SEA ICE LIMIT 5513S 02000W 5400S 02618W 5505S 03217W 5704S 03757W
5811S 04316W 5925S 04814W 6122S 05247W 6008S 05654W 5831S 06032W 5901S 06337W
6022S 06559W 6050S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5519S 04117W 28X25NM
D33B 5804S 04754W 21X12NM A83 6037S 05146W 12X7NM A85 5855S 05053W 10X3NM
ICEBERG1 5830S 05004W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5623S 03842W 9X6NM
D33C 6155S 05426W 9X5NM ICEBERG2 5450S 04131W 5X3NM ICEBERG3 5934S 04556W 5X3NM
ICEBERG4 5506S 04621W 4X3NM ICEBERG5 5627S 04452W 3X1NM ICEBERG6 5832S 05017W
3X2NM ICEBERG7 5857S 04833W 2X1NM ICEBERG8 5859S 05026W 6X2NM 4.ICEBERGS AREA
A5727S 02000W 5000S 02000W 5000S 04100W 5806S 04959W B5806S 04959W 5200S 04100W
5200S 04700W 5852S 04700W C5852S 04700W 5600S 04700W 5900S 06717W 6118S 06717W
LOW 988HPA 42S 33W MOV E DPN EXTENDS CFNT AT 39S 28W 35S 29W MOV E
LOW 1003HPA 51S 57W MOV E NC EXP 51S 43W BY 06/2100
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-7
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 VEER E 3/4 BY 6/1800 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 3 VEER SECTOR E 4 BY 6/1800 VIS GOOD
URUGUAY SOUTH EAST COASTS: NE 3/4 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 VEER NE 3/4 BY 6/1800 PROB OF
SH IMPR DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3 INCR SE 4 BY 6/1200 PROB OF
ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 4 BACK SE 3/4 BY 6/2100 VIS
GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 4/5 PROB OF ISOL DRIZZLE IMPR
STARTING EVENING VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/4 DECR VRB 3 BY 6/2100 PROB OF
SH SPELLS OF GOOD WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SE 5/4 WITH GUSTS DECR VRB 3 BY 6/1500 PROB
OF DRIZZLE IMPR STARTING EVENING VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SECTOR S 5/4 PROB OF SH VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 8 WITH GUSTS BACK SECTOR W
8/7 WITH GUSTS BY 6/0600 PROB OF SH RAIN VIS VERY POOR TO POOR
W OF 30 - E OF 40W: SECTOR W 8 WITH GUSTS DECR 6/5 BY 6/1500 PROB OF SH IMPR
STARTING EVENING VIS POOR TO MODERATE
W OF 40 - E OF 50W: SECTOR W 4/5 WITH GUSTS PROB OF ISOL RAIN STARTING EARLY
MORNING VIS GOOD OCNL MODERATE
REST OF THE AREA: NW 5 WITH GUSTS DECR VRB 3 BY 6/1500 PROB OF SH IMPR STARTING
EARLY MORNING VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR N 8 WITH
GUSTS BACK SECTOR S 8 WITH GUSTS BY 6/1200 PROB OF RAIN VIS VERY POOR
W OF 30 - N OF 45S: SECTOR S 8 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS BY
6/1800 PROB OF SH RAIN VIS POOR
E OF 30 - S OF 45S: SECTOR E 4/5 VEER SECTOR S 5 BY 6/1200 UNSTABLE VIS GOOD
OCNL MODERATE
REST OF THE AREA: SE 6/5 WITH GUSTS VEER SECTOR N 4 BY 6/1500 PROB OF RAIN
STARTING EVENING VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 4/5 PROB OF SH VIS
MODERATE
E OF 50 - S OF 45S: SECTOR N 4 VEER SW 4 BY 6/1500 PROB OF SH VIS MODERATE OCNL
POOR
REST OF THE AREA: SW 4 PROB OF SH VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 5/6 GUST WITH 8 INTENSITY
PROB OF ISOL SNOW FALL VIS GOOD TO MODERATE
W OF 30 - N OF 55S: VRB 3 PROB OF SH TOWARDS THE END OF THE PERIOD VIS GOOD TO
MODERATE
REST OF THE AREA: SW 4 INCR 6 GUST WITH 8 INTENSITY BY 6/1500 VIS GOOD TO
MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: VRB 3 INCR SECTOR S 3/4 BY
6/1800 PROB OF SH VIS MODERATE
REST OF THE AREA: VRB 3 INCR SECTOR W 4 BY 6/1800 VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SE 4 DECR VRB 3 BY 6/0600 VIS GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 05, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1200/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV SE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 66S-73S 80W-70W FROM 06/0300 UNTIL 06/1800
1201/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV N WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR S IN 74S-77S 42W-26W FROM 05/1800 UNTIL 06/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1019HPA 63S 64W MOV NE INTSF
RIDGE 65S 54W 68S 51W 71S 47W MOV E NC
TROUGH 70S 36W 81S 29W 72S 23W MOV E NC
041400 UTC 1.SEA ICE LIMIT 5513S 02000W 5400S 02618W 5505S 03217W 5704S 03757W 5811S 04316W 5925S 04814W 6122S 05247W 6008S 05654W 5831S 06032W 5901S 06337W 6022S 06559W 6050S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5525S 04129W 28X25NM D33B 5803S 04737W 21X12NM A76C 5604S 02509W 17X6NM A83 6039S 05153W 12X7NM A85 5859S 05058W 10X3NM ICEBERG1 5834S 05002W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5625S 03837W 9X6NM D33C 6147S 05426W 9X5NM ICEBERG2 5513S 04145W 5X3NM ICEBERG3 5937S 04609W 5X3NM ICEBERG4 5503S 04634W 4X3NM ICEBERG5 5635S 04527W 3X1NM ICEBERG6 5835S 05012W 3X2NM ICEBERG7 5848S 04914W 2X1NM ICEBERG8 5917S 05102W 6X2NM 4.ICEBERGS AREA A5727S 02000W 5000S 02000W 5000S 04100W 5806S 04959W B5806S 04959W 5200S 04100W 5200S 04700W 5852S 04700W C5852S 04700W 5600S 04700W 5900S 06717W 6118S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SECTOR E 3 BACK NW 3/4 BY 6/0600 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 3 VEER SECTOR W 3/4 BY 6/0300 AFTERWARDS SECTOR W 5/6 BY 6/0900 VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: VRB 3 INCR SECTOR N 3/4 BY 05/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 3/4 INCR SECTOR W 5/6 WITH GUSTS BY 6/0300 AFTERWARDS SECTOR W 6/7 WITH GUSTS BY 6/0900 VIS GOOD
GERLACHE STRAIT : SECTOR N 3 INCR NE 4/5 BY 6/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MARGARITA BAY : SECTOR N 3 INCR NE 4 BY 6/ AFTERWARDS NE 5/6 WITH GUSTS BY 6/0900 PROB OF INTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SECTOR N 3/4 BACK SECTOR W 3/4 BY 6/0300 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 78W: NE 6/7 WITH GUSTS BACK NW 5/6 WITH GUSTS BY 6/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR GRADUALLY DURING THE EARLY MORNING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 3/4 BACK SECTOR N 5/6 WITH GUSTS BY 6/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 6/7 WITH GUSTS INCR NE 6/8 WITH GUSTS BY 6/0300 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL MODERATE
NORTHERN WEDDELL SEA (60-68S 20-50W): SW 4/5 INCR SE 5/6 WITH GUSTS BY 6/0000 PROB OF ISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 6/7 WITH GUSTS INCR SECTOR S 6/8 WITH GUSTS BY 05/1800 PROB OF ISOL SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD=