1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 05, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1017HPA 64S 75W MOV NE INTSF
RIDGE 67S 58W 69S 54W 72S 50W MOV E NC
LOW 1002HPA 66S 39W MOV NE WKN
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SE 3/4 BACK SECTOR E 3/4 BY 5/1500 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 3 BACK SECTOR S 3/4 BY 5/1500 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 VEER SECTOR N 3/4 BY 5/1500 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 3 BACK SECTOR S 3/4 BY 5/1200 AFTERWARDS SECTOR W 5 BY 5/2100 VIS GOOD
GERLACHE STRAIT : SECTOR S 3 VEER SECTOR N 3/4 BY 5/1200 PROB OF MIST IMPR DURING THE EVENING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR S 3 VEER SECTOR N 3/4 BY 5/1500 PROB OF MIST WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 3/4 BACK SECTOR N 3/4 BY 5/1500 PROB OF FOG AND MIST IN PATCHES IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 78W: NE 5/6 WITH GUSTS INCR NE 6/7 WITH GUSTS BY 5/1200 AFTERWARDS NW 6/5 WITH GUSTS BY 5/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 3/4 BACK SECTOR N 4/5 BY 5/1500 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 6/7 WITH GUSTS BACK NE 6/7 BY 5/1800 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA (60-68S 20-50W): SW 4/5 INCR SW 5/6 WITH GUSTS BY 5/1800 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 INCR SW 6/7 WITH GUSTS BY 5/1800 PROB OF ISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-5, 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 996HPA AT 38S 46W MOV SE DEEPENING EXPECTED 43S 35W BY 05/2100
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
HIGH 1032HPA 38S 25W MOV E NC
LOW 999HPA 51S 61W MOV E WKN EXP 51S 54W BY 05/2100
LOW 996HPA 38S 46W MOV SE DPN EXP 43S 35W BY 05/2100
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-6
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR W PROB OF MIST STARTING EARLY
MORNING IMPR VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR W PROB OF MIST STARTING EARLY
MORNING IMPR VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: VRB 5/4 PROB OF FOG MIST STARTING EARLY MORNING IMPR
VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 5/4 PROB OF SH STARTING EARLY
MORNING NXT ISOL STORMS VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 4/5 PROB OF STORMS STARTING
EVENING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 3/4 PROB OF ISOL RAIN VIS MODERATE
OCNL GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 4/5 PROB OF ISOL RAIN VIS MODERATE
OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 4/5 PROB OF SH VIS MODERATE
ISLAS MALVINAS COASTS: VRB 3/4 PROB OF SH VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 5/7 WITH GUSTS INCR N 8
WITH GUSTS BY 5/1500 PROB OF RAIN STARTING EARLY MORNING NXT HVY RAIN VIS
MODERATE TO VERY POOR
W OF 30 - E OF 50W: SECTOR N 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 5/1200
PROB OF HVY RAIN STARTING EVENING IMPR VIS VERY POOR
REST OF THE AREA: SECTOR W 7/5 WITH GUSTS UNSTABLE VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR E 7/8 WITH GUSTS PROB
OF HVY RAIN VIS VERY POOR
REST OF THE AREA: SECTOR W 7/6 WITH GUSTS VEER SECTOR W 7 WITH GUSTS BY 5/1500
PROB OF RAIN STARTING EARLY MORNING VIS POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 8 WITH
GUSTS VEER SECTOR W 8 WITH GUSTS PROB OF HVY RAIN NXT SH STARTING EVENING VIS
VERY POOR
E OF 50 - S OF 45S: SECTOR N 7/5 WITH GUSTS PROB OF RAIN VIS POOR TO MODERATE
REST OF THE AREA: SECTOR N 5 BACK SECTOR W 5 BY 5/0900 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 7/5 WITH GUSTS PROB OF SH OF SNOW
VIS POOR OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR E 7/5 WITH GUSTS PROB
OF RAIN VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR E 5/6 WITH GUSTS UNSTABLE VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 4 PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE
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