1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-05, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 448: LOW 996HPA AT 41S 40W MOV E EXPECTED 44S 22W BY 06/1200 PROVOKES
WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 25W-45W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
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
LOW 996HPA 41S 40W MOV E EXP 44S 22W BY 06/1200
LOW 1002HPA 52S 58W MOV E
HIGH 1032HPA 36S 20W MOV E EXTENDS RIDGE AT 36S 20W 50S 35W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-6
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 4/3 VEER NE BY 05/1800 PROB OF ISOL RAIN IMPR DURING
THE MORNING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: NW 4/3 VEER NE BY 6/0900 PROB OF ISOL RAIN IMPR DURING
THE MORNING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: VRB 3 BACK SECTOR N 4 BY 6/0000 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 4/3 PROB OF ISOL RAIN IMPR DURING THE
EARLY MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 4 BACK SECTOR E BY 05/2100
VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4 BACK SECTOR E BY 6/0000 VIS
GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 4/3 LOW PROB OF ISOL RAIN IMPR DURING
THE NIGTH VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 4 PROB OF MIST IMPR VIS MODERATE TO
GOOD
FIN DEL MUNDO COASTS(54S - 55S): S 4 PROB OF MIST IMPR VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SW 4 PROB OF MIST LOW PROB OFISOL RAIN VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR N 7/8 WITH GUSTS BACK W 8
WITH GUSTS BY 6/0600 PROB OF HVY RAIN WORSENING TOWARDS THE END OF THE PERIOD
VIS VERY POOR TO POOR
W OF 45W: SECTOR W 6/4 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF THE
PERIOD VIS GOOD TO MODERATE
REST OF THE AREA: W 8 WITH GUSTS DECR 5 WITH GUSTS BY 6/0600 LOW PROB OF ISOL
RAIN IMPR DURING THE MORNING VIS POOR TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: W 5 VEER SECTOR N
8 WITH GUSTS BY 05/1500 VEER SECTOR W WITH GUSTS BY 6/0600 PROB OF HVY RAIN
STARTING EVENING VIS MODERATE TO VERY POOR
W OF 30 - N OF 45S: SECTOR E 8 WITH GUSTS VEER SECTOR W WITH GUSTS BY 05/1800
PROB OF RAIN VIS POOR OCNL VERY POOR
E OF 30 - S OF 45S: W 6 WITH GUSTS VEER SW 7 GUST WITH 8 INTENSITY BY 05/2100
VIS MODERATE
REST OF THE AREA: NE 4 VEER SW 7 GUST WITH 8 INTENSITY BY 05/1800 VIS
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50W: NW 4 WITH GUSTS VIS GOOD
E OF 50 - N OF 45S: SECTOR W 8 WITH GUSTS DECR 6 WITH GUSTS BY 6/0000 PROB OF
RAIN IMPR DURING THE NIGTH VIS VERY POOR TO GOOD
REST OF THE AREA: N 6/4 WITH GUSTS BACK SECTOR W 4 BY 6/0900 PROB OF RAIN IMPR
DURING THE NIGTH VIS POOR TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SW 7 WITH GUSTS DECR
5 BY 05/2100 VIS MODERATE
W OF 30 - N OF 55S: SECTOR W 4 WITH GUSTS DECR 3 BY 05/1800 VIS MODERATE
REST OF THE AREA: SW 6/5 WITH GUSTS VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: VRB 4/3 PROB OF MIST NXT PROB
OFISOL RAIN VIS POOR TO MODERATE
REST OF THE AREA: SE 6/5 WITH GUSTS PROB OF MIST VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): E 4 BACK SECTOR N BY 6/0600 PROB OF MIST VIS
MODERATE
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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=