1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-10, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 416: LOW 984HPA AT 54S 54W MOV E DEEPENING EXPECTED 54S 40W BY 11/0000
WILL PROVOKE WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 50S-60S 35W-40W FROM
10/2100
WARNING 415: LOW 984HPA AT 54S 54W MOV E DEEPENING EXPECTED 54S 40W BY 11/0000
WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH GUST IN SOUTH WEST AREA (50S- 60S
AND 40W- 60W) FROM 10/0600
WARNING 414: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 50S-55S AND 20W-30W UNTIL 10/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
LOW 984HPA 54S 54W MOV E DPN EXP 54S 40W BY 11/0000 EXTENDS CFNT AT 54S 54W 52S
62W 51S 68W MOV NE ASOCIATED WITH WFNT AT 54S 54W 54S 47W 53S 42W
LOW 987HPA 55S 28W MOV E NC EXTENDS CFNT AT 55S 28W 53S 33W 53S 41W MOV NE
LOW 999HPA 49S 39W MOV SE WKN EXTENDS CFNT AT 49S 39W 47S 40W 45S 43W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 VEER SECTOR E 3/4 BY 10/1500 PROB OF ISOL RAIN
IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR N 3/4 VEER SECTOR E 3 BY 10/1800 PROB OF ISOL RAIN
IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3 VEER VRB 3 BY 10/0600 AFTERWARDS SECTOR E
3/4 BY 10/1500 LOW PROB OF ISOL RAIN IMPR TOWARDS NOON VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/3 VEER VRB 3 BY 10/1200
WORSENING WITH PROB OF ISOL SH STORMS STARTING EVENING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3 VEER SE 4 WITH GUSTS BY 10/2100
LOW PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4 BACK SE 5/6 WITH GUSTS BY
10/1800 WORSENING WITH PROB OF RAIN AND SNOW MIXTURE TOWARDS THE END OF THE
PERIOD VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5/4 WITH GUSTS BACK S 5 WITH
GUSTS BY 10/1200 PROB OF RAIN AND SNOW MIXTURE STARTING EVENING VIS MODERATE
OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 6 GUST WITH 8 INTENSITY DECR 5 BY
10/2100 PROB OF SH OF SNOW SNOW FALL VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 6 GUST WITH 8 INTENSITY VEER SW 5
WITH GUSTS BY 10/2100 PROB OF SH OF SNOW SNOW FALL IMPR TOWARDS THE END OF THE
PERIOD VIS POOR TO MODERATE
ISLAS MALVINAS COASTS: SECTOR S 6 GUST WITH 8 INTENSITY VEER SW 5 WITH GUSTS BY
10/2100 PROB OF SH OF SNOW SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR
TO MODERATE.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 4 VEER NW 5/6 GUST WITH 8
INTENSITY BY 10/1800 PROB OF ISOL RAIN NXT RAIN STORMS TOWARDS NIGTH VIS
MODERATE OCNL POOR
E OF 40W: NW 5/6 GUST WITH 8 INTENSITY VEER SECTOR E 4 WITH GUSTS BY 10/2100
PROB OF RAIN STORMS NXT SH RAIN VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR W 4 VEER VRB 3 BY 10/1200 LOW PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): NW 6/5 GUST WITH 8 INTENSITY PROB OF
SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 5/4 WITH GUSTS VIS
GOOD
REST OF THE AREA: SECTOR W 5/6 GUST WITH 8 INTENSITY BACK SW 5/5 WITH GUSTS BY
10/1500 WORSENING WITH PROB OF SH RAIN AND SNOW MIXTURE STARTING EARLY MORNING
VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR W 8/6 WITH
GUSTS VEER VRB 5/4 BY 10/0900 AFTERWARDS SECTOR N 6 WITH GUSTS BY 10/1800 PROB
OF ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
E OF 35 - S OF 55S: SECTOR S 4 VEER SECTOR E 5/6 GUST WITH 8 INTENSITY BY
10/1500 PROB OF SH OF SNOW SNOW FALL VIS MODERATE TO POOR
N OF 55 - E OF 35W: SECTOR W 5 WITH GUSTS VEER SECTOR N 6/7 GUST WITH 8
INTENSITY BY 10/1500 PROB OF SH OF SNOW SNOW FALL VIS MODERATE TO POOR
W OF 35 - N OF 55S: NW 5/7 GUST WITH 8 INTENSITY BACK W 8 WITH GUSTS BY 10/2100
PROB OF SH OF SNOW VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR E 6/7 GUST WITH 8 INTENSITY VEER SECTOR S 8 WITH GUSTS
BY 10/2100 PROB OF SH OF SNOW SNOW FALL VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: NW 6 GUST WITH 8
INTENSITY BACK SECTOR S 7/8 WITH GUSTS BY 10/1500 PROB OF SH OF SNOW SNOW FALL
VIS POOR OCNL VERY POOR
E OF 50 - S OF 55S: SECTOR E 6/7 GUST WITH 8 INTENSITY VEER SECTOR S 8 WITH
GUSTS BY 10/0900 PROB OF SH OF SNOW SNOW FALL VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 10/0600
PROB OF SH OF SNOW SNOW FALL VIS POOR OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SW 6
GUST WITH 8 INTENSITY BY 10/1800 PROB OF SH OF SNOW SNOW FALL IMPR TOWARDS THE
END OF THE PERIOD VIS POOR TO MODERATE
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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=