1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-08, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 412: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W)
WARNING 411: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST
IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) FROM 08/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 961HPA 56S 30W MOV SE DPN EXTENDS CFNT56S 30W 48S 32W 46S 46W MOV SE
LOW 984HPA 60S 63W MOV NE EXTENDS CFNT AT 60S 63W 58S 74W MOV NE
LOW 1004HPA 47S 67W MOV E WKN EXTENDS CFNT47S 67W 42S 64W 39S 66W MOV E
071400 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 5749S 04744W 28X25NM
D33B 5849S 05058W 21X12NM A76C 5338S 02618W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D32 5723S 03757W 9X6NM D33C 6139S 05333W 9X5NM ICEBERG1 5921S 04700W 5X3NM
ICEBERG2 6017S 05234W 5X3NM ICEBERG3 5917S 05050W 6X4NM ICEBERG4 5951S 05008W
2X1NM
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 3 VIS GOOD
URUGUAY SOUTH EAST COASTS: VRB 3 VEER SECTOR N BY 08/2100 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6/5 WITH GUSTS BACK SECTOR W
3 BY 9/0600 VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5 BACK SECTOR W 4/3 BY 9/0000
INCR 5/6 BY 9/0900 VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 3 BACK SECTOR S 4/3 BY 08/2100
VEER SECTOR W 4/5 BY 9/0900 LOW PROB OF DRIZZLE TOWARDS THE END OF THE PERIOD
VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): VRB 3 VEER SECTOR W 4/5 BY 9/0900 PROB OF
DRIZZLE RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS INCR 6/7 WITH GUSTS
BY 9/0600 PROB OF RAIN SNOW FALL STARTING EARLY MORNING VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR W 5 PROB OF DRIZZLE SPELLS OF GOOD WEATHER VIS
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 6/5 WITH GUSTS DECR 4/3 BY
9/0600 PROB OF DRIZZLE VIS POOR TO GOOD
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS DECR 4 BY 08/2100 VEER VRB 4 BY
9/0600 PROB OF RAIN STORMS STARTING NIGTH VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 7/8 WITH GUSTS DECR 7/6 BY
9/0900 PROB OF RAIN IMPR GRADUALLY VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 7/5 WITH GUSTS VEER SECTOR N
PROB OF ISOL DRIZZLE STORMS STARTING EARLY MORNING VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 6/7 WITH GUSTS BACK
SECTOR W BY 08/1500 BACK SW 7/8 WITH GUSTS BY 08/2100 PROB OF RAIN SNOW FALL VIS
VERY POOR
REST OF THE AREA: SW 7/8 WITH GUSTS DECR 6/5 BY 9/0600 PROB OF SH OF SNOW NXT
PROB OFISOL RAIN VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/7 WITH GUSTS VEER SECTOR W
BY 08/1800 PROB OF SH OF SNOW NXT PROB OF RAIN SNOW FALL VIS VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS BACK SECTOR S 6/5 BY
08/2100 DECR 5/4 BY 9/0300 PROB OF RAIN SNOW FALL VIS POOR
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
09:00 UTC 08, SEPTEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
SEA ICE AND ICEBERGS REPORT 071400 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 5749S 04744W 28X25NM
D33B 5849S 05058W 21X12NM
A76C 5338S 02618W 17X6NM
3.ICEBERGS SMALLER THAN 10NM
D32 5723S 03757W 9X6NM
D33C 6139S 05333W 9X5NM
ICEBERG1 5921S 04700W 5X3NM
ICEBERG2 6017S 05234W 5X3NM
ICEBERG3 5917S 05050W 6X4NM
ICEBERG4 5951S 05008W 2X1NM
4.ICEBERGS AREA
A5626S 02000W 4900S 02000W 5400S 04000W 5817S 4000S
B5817S 04000W 5501S 04000W 5757S 04656W 6102S 6716W 6923S 06716W
PART 1 GALE WARNING:
1139/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV N DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN 68S-65S 40W-30W UNTIL 08/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 954HPA 62S 65W MOV E DPN
LOW 962HPA 68S 30W MOV E WKN
HIGH 996HPA 65S 55W MOV NE INTSF
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SE 3/4 VEER SECTOR S 4 BY 9/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 5/6 VEER SECTOR E 5/7 WITH GUSTS BY 08/1800 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: SE 3/4 VEER SECTOR S 4 BY 9/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 5/6 VEER SECTOR E 5/7 BY 08/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 7 WITH GUSTS BACK NE 4/5 BY 08/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE
MARGARITA BAY : SECTOR E 7 WITH GUSTS BACK NE 4 BY 08/1800 PROB OF MIST VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 WITH GUSTS BACK SECTOR S 4 BY 08/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EVENING VIS POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR S 5/6 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SW 4 BY 08/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 4/5 WITH GUSTS VEER SECTOR W 5/4 BY 9/0000 FOG AND MIST IN PATCHES ISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SW 4/5 VEER SECTOR W 4/5 BY 9/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY DECR SECTOR W 5 BY 9/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 4 BY 08/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE=