1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-10, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 415: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 55S-60S AND 30W-50W
WARNING 414: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 50S-55S AND 30W-50W FROM 11/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1017HPA 36S 50W MOV E NC EXP 36S 34W BY 11/1200
LOW 978HPA 56S 48W MOV SE DPN EXP 55S 33W BY 11/1200 EXTENDS CFNT AT 54S 48W 48S
56W 46S 66W MOV NE
091400 UTC 1.SEA ICE LIMIT 5557S 02000W 5414S 02618W 5311S 03217W 5651S 03758W
5713S 04316W 5909S 04815W 6006S 05247W 6223S 05655W 6210S 06032W 6003S 06337W
6117S 06600W 6133S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5733S 04729W 28X25NM
D33B 5843S 05038W 21X12NM A76C 5352S 02625W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D32 5747S 03851W 9X6NM D33C 6139S 05333W 9X5NM ICEBERG1 5908S 04636W 5X3NM
ICEBERG2 6015S 05235W 5X3NM ICEBERG3 5917S 05050W 6X4NM ICEBERG4 5951S 05008W
2X1NM 4.ICEBERGS AREA A5620S 02000W 4800S 02000W 5303S 04501W 5940S 04500W
B5940S 04500W 5254S 04500W 6003S 06716W 6149S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 FOG MIST DISSIPATING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR E 3/4 FOG MIST DISSIPATING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 FOG MIST DISSIPATING VIS MODERATE TO
GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 VEER SECTOR S 5/6 WITH
GUSTS BY 11/0900 PROB OF ISOL RAIN DURING THE END OF THE PERIOD VIS GOOD TO
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 3/4 BACK SECTOR S 5/6 WITH
GUSTS BY 10/2100 PROB OF ISOL RAIN DURING THE NIGTH VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 4/5 WITH GUSTS PROB OF ISOL
RAIN DURING THE NIGTH VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/6 WITH GUSTS DECR 4/5 BY 11/0600
PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 5/6 WITH GUSTS PROB OF ISOL SNOW
FALL VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 6/7 WITH GUSTS DECR 4/5 BY 11/0000 PROB OF ISOL
SNOW FALL VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 5/6 WITH GUSTS PROB OF SH
RAIN VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 3/4 VEER SECTOR S BY 11/0600 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): NW 5/6 WITH GUSTS PROB OF SH RAIN VIS
MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 4/5 VIS GOOD
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS BACK SECTOR S BY 11/0000 PROB OF ISOL
RAIN VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55 - W OF 30W: SECTOR N 5/6 WITH
GUSTS BACK SECTOR W 8 WITH GUSTS BY 11/0000 PROB OF RAIN AND SNOW MIXTURE VIS
VERY POOR TO POOR
S OF 55 - W OF 30W: SECTOR E 5/6 WITH GUSTS VEER SECTOR S 8 BY 10/1800 PROB OF
ISOL SNOW FALL VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 4/5 VEER SECTOR N 5/6 WITH GUSTS BY 11/0300 PROB OF
RAIN AND SNOW MIXTURE VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55 - E OF 50W: SECTOR N 6/7 WITH
GUSTS BACK SECTOR W 8 BY 11/0000 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO
POOR
S OF 55 - E OF 50W: SECTOR S 8 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
VERY POOR
REST OF THE AREA: SECTOR S 6/7 GUST WITH 8 INTENSITY DECR 5/6 BY 11/0000 PROB
OF ISOL SNOW FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 4/5 VEER SW 6/7 BY 11/0000 PROB OF
ISOL SNOW FALL VIS MODERATE TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 10, SEPTEMBER 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
LOW 1004HPA 62S 61W MOV E WKN
HIGH 1005HPA 64S 59W MOV E INTSF
HIGH 1017HPA 60S 88W MOV E INTSF EXTENDS RIDGE AT 60S 88W 62S 88W 65S 90W MOV E
091400 UTC 1.SEA ICE LIMIT 5557S 02000W 5414S 02618W 5311S 03217W 5651S 03758W 5713S 04316W 5909S 04815W 6006S 05247W 6223S 05655W 6210S 06032W 6003S 06337W 6117S 06600W 6133S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5733S 04729W 28X25NM D33B 5843S 05038W 21X12NM A76C 5352S 02625W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D32 5747S 03851W 9X6NM D33C 6139S 05333W 9X5NM ICEBERG1 5908S 04636W 5X3NM ICEBERG2 6015S 05235W 5X3NM ICEBERG3 5917S 05050W 6X4NM ICEBERG4 5951S 05008W 2X1NM 4.ICEBERGS AREA A5620S 02000W 4800S 02000W 5303S 04501W 5940S 04500W B5940S 04500W 5254S 04500W 6003S 06716W 6149S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-11
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 3/4 WITH GUSTS VEER SW 4 BY 10/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 5/4 WITH GUSTS VEER SECTOR S 4/3 BY 10/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 WITH GUSTS VEER SW 4 BY 10/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 5/4 WITH GUSTS VEER SECTOR S 4/3 BY 10/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 3/4 VEER SW 4 BY 10/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
MARGARITA BAY : NE 3/4 VEER SECTOR E 4 BY 10/1500 PROB OF MIST VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 VEER NW 4 BY 10/1200 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 4/5 VEER SECTOR W 4/3 BY 10/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 10/1500 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/5 VEER NW 4 BY 10/1800 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SW 4/3 BACK SECTOR S 3/4 BY 10/1500 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER NW 4/3 BY 10/1800 PROB OF MIST VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK NE 4 BY 10/1500 PROB OF MIST VIS GOOD TO MODERATE=