1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 06, SEPTEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1135/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-55W UNTIL 06/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 962HPA 63S 32W MOV E WKN
LOW 975HPA 68S 70W MOV E DPN
HIGH 983HPA 65S 40W MOV E WKN
051400 UTC 1.SEA ICE LIMIT 5524S 02000W 5401S 02618W 5330S 03217W 5638S 03757W 5756S 04317W 5954S 04813W 6014S 05247W 6159S 05655W 6047S 06032W 6110S 06336W 6118S 06558W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5808S 04743W 28X25NM D33B 5901S 05122W 21X12NM A76C 5316S 02652W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D33C 6151S 05409W 9X5NM ICEBERG1 5851S 04848W 5X3NM ICEBERG2 6029S 05225W 5X3NM ICEBERG3 6005S 05137W 6X4NM ICEBERG4 5842S 04919W 2X1NM ICEBERG5 5902S 04816W 2X1NM ICEBERG6 6020S 05128W 2X1NM 4.ICEBERGS AREA A5626S 02000W 4900S 02000W 5400S 04000W 5817S 4000S B5817S 04000W 5501S 04000W 5757S 04656W 6102S 6716S 6923S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-7
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 7/8 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS BY 06/1800 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 7 WITH GUSTS INCR SECTOR W 6/5 WITH GUSTS BY 06/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 7/8 WITH GUSTS VEER SECTOR W 6/5 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7 WITH GUSTS INCR SECTOR W 5/5 WITH GUSTS BY 06/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : NE 3/4 BACK SW 4/5 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 4/5 WITH GUSTS VEER NE 5/6 BY 06/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : NW 3/4 BACK SW 7/8 WITH GUSTS BY 06/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5 WITH GUSTS BY 06/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 BACK SECTOR S 5/6 BY 06/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SW 7 WITH GUSTS BACK SECTOR S 5/4 WITH GUSTS BY 06/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR S 3/4 VEER SW 5/6 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 3/4 VEER SE 4/3 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-06, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 410: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W-
67W) BETWEEN 50S-60S AND 50W-60W FROM 07/0300
WARNING 408: LOW 948HPA AT 43S 31W MOV E WEAKENING WILL PROVOKE WINDS FORCE 8
FROM SW WITH GUST BETWEEN 35S-40S AND 20W-30W FROM 06/2100
WARNING 407: LOW 948HPA AT 43S 31W MOV E WEAKENING PROVOKES WINDS FORCE 8 AROUND
ITSELF WITH GUST BETWEEN 40S-45S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 984HPA 43S 31W MOV E WKN EXTENDS CFNT44S 24W 37S 30W 35S 35W MOV E ASOCIATED
WITH OFNT AT 44S 24W 45S 32W 42S 32W
HIGH 1035HPA 37S 63W MOV NE
CFNT AT 59S 30W 53S 33W 49S 40W MOV NE
CFNT AT 60S 50W 58S 49W 55S 52W
051400 UTC 1.SEA ICE LIMIT 5524S 02000W 5401S 02618W 5330S 03217W 5638S 03757W
5756S 04317W 5954S 04813W 6014S 05247W 6159S 05655W 6047S 06032W 6110S 06336W
6118S 06558W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5808S 04743W 28X25NM
D33B 5901S 05122W 21X12NM A76C 5316S 02652W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D33C 6151S 05409W 9X5NM ICEBERG1 5851S 04848W 5X3NM ICEBERG2 6029S 05225W 5X3NM
ICEBERG3 6005S 05137W 6X4NM ICEBERG4 5842S 04919W 2X1NM ICEBERG5 5902S 04816W
2X1NM ICEBERG6 6020S 05128W 2X1NM 4.ICEBERGS AREA A5626S 02000W 4900S 02000W
5400S 04000W 5817S 4000S B5817S 04000W 5501S 04000W 5757S 04656W 6102S 6716S
6923S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-7
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3/4 BACK SECTOR N 3 PROB OF SH NEXT IMPR TOWARDS
EVENING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 3/4 BACK SECTOR N 3 PROB OF SH NEXT IMPR TOWARDS
EVENING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3/4 VEER SECTOR W 3 PROB OF SH NEXT IMPR
TOWARDS NIGTH VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3/4 VEER SECTOR W 3 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 3 VEER SECTOR N 4/5 WITH
GUSTS VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4/5 WITH GUSTS VEER SECTOR N
5/6 WITH GUSTS VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4/3 WITH GUSTS VEER SECTOR N
3/4 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 GUST WITH 8 INTENSITY PROB OF
ISOL DRIZZLE SPELLS OF GOOD WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY
7/0300 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS POOR
ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 7/0900 FOG
AND MIST IN PATCHES DISSIPATING PROB OFISOL RAIN SPELLS OF GOOD WEATHER VIS
POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 5 WITH GUSTS VEER SECTOR N
5/5 WITH GUSTS PROB OF HVY RAIN RAIN AND SNOW MIXTURE STORMS VIS POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VEER SECTOR W 4/5 WITH GUSTS PROB OF
SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR W 6/8 WITH
GUSTS BACK SECTOR S 8 WITH GUSTS PROB OF HVY RAIN RAIN AND SNOW MIXTURE STORMS
VIS POOR
W OF 30 - N OF 45S: SECTOR S 8/6 WITH GUSTS VEER SECTOR S 6 WITH GUSTS PROB OF
HVY RAIN RAIN AND SNOW MIXTURE STORMS VIS POOR
: SECTOR S 6 WITH GUSTS VEER SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN RAIN AND
SNOW MIXTURE VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 6/5 WITH GUSTS VEER SECTOR W
6 WITH GUSTS PROB OF ISOL SH RAIN RAIN AND SNOW MIXTURE VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 50W: SECTOR N 6 GUST WITH 8
INTENSITY BACK SECTOR W 6/5 WITH GUSTS PROB OF ISOL SNOW FALL SPELLS OF GOOD
WEATHER VIS MODERATE OCNL POOR
N OF 55 - W OF 50W: SECTOR W 6 GUST WITH 8 INTENSITY PROB OF ISOL SNOW FALL
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY BACK SECTOR S 3/4 PROB OF
ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 6 GUST WITH 8
INTENSITY PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL
POOR
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY INCR 8 BY 7/0900 PROB OF
ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6 GUST WITH 8 INTENSITY INCR 8 BY
7/0300 PROB OF RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS POOR
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