METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 020000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-09-2, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 400: LOW 984HPA AT 54S 34W MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM

SECTOR W WITH GUST BETWEEN 50S-55S AND 20W-40W UNTIL 02/1500

WARNING 399: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR

W WITH GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN

55S-60S AND 50W-60W FROM 02/0600

WARNING 397: LOW 996HPA AT 33S 38W MOV SE DEEPENING EXPECTED 45S 23W BY 03/0000

PROVOKES WINDS FORCE 9 AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 20W-40W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

011400 UTC 1.SEA ICE LIMIT 5558S 02000W 5446S 02618W 5350S 03218W 5557S 03758W

5859S 04317W 6011S 04814W 6040S 05248W 6201S 05655W 6335S 06032W 6312S 06337W

6137S 06559W 6136S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5319S 02811W 17X6NM

A81 5904S 04727W 28X25NM D33B 5914S 05041W 21X12NM 3.ICEBERGS SMALLER THAN 10NM

D33C 6152S 05423W 9X5NM ICEBERG1 5841S 05100W 5X3NM ICEBERG2 6053S 05327W 5X3NM

ICEBERG3 6020S 05228W 6X4NM ICEBERG4 5844S 05055W 2X1NM ICEBERG5 5830S 05050W

2X1NM 4.ICEBERGS AREA A5700S 02000W 4700S 02000W 5200S 04900W 6100S 04900W

B5600S 04900W 6100S 04900W 6600S 06600W 6600S 06600W

HIGH 1020HPA 38S 59W MOV NE NC

LOW 996HPA 33S 38W MOV SE DPN EXP 45S 23W BY 03/0000

LOW 984HPA 54S 34W MOV SE WKN EXTENDS CFNT AT MOV E

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-3

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR E 4 BACK SECTOR N 5 WITH GUSTS BY 2/1200 PROB OF

FOG MIST NXT STORMS DURING THE END OF THE PERIOD VIS MODERATE OCNL POOR

OUTER RIO DE LA PLATA: SECTOR E 4 BACK SECTOR N 5 WITH GUSTS BY 2/1200 PROB OF

FOG MIST NXT STORMS DURING THE END OF THE PERIOD VIS MODERATE OCNL POOR

URUGUAY SOUTH EAST COASTS: VRB 3/4 INCR SECTOR N 5 WITH GUSTS BY 2/1500 PROB OF

FOG MIST NXT ISOL STORMS TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR

MAR DEL PLATA COASTS(3617S - 3830S): VRB 3/4 INCR SECTOR N 5 WITH GUSTS BY

2/1500 PROB OF HVY STORMS STARTING EVENING VIS GOOD POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4 BACK SECTOR N 5 WITH GUSTS

BY 2/0600 BACK SECTOR S BY 2/2100 PROB OF RAIN STORMS VIS MODERATE POOR

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS BACK SECTOR S

BY 2/1800 PROB OF ISOL SH RAIN STARTING EARLY MORNING TOWARDS THE END OF THE

PERIOD IMPR VIS GOOD MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 4 INCR SECTOR S 5/6 WITH GUSTS BY

2/1500 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE GOOD

SOUTH PATAGONIA COASTS(48S - 54S) N OF 51S: SECTOR W 5/6 WITH GUSTS BACK

SECTOR S BY 2/2100 VIS GOOD

SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR W 6/7 GUST WITH 8

INTENSITY LOW PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6/7 GUST WITH 8 INTENSITY INCR 8

WITH GUSTS BY 2/0600 DECR BY 2/2100 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY

MORNING VIS MODERATE VERY POOR

ISLAS MALVINAS COASTS: SECTOR W 5/6 GUST WITH 8 INTENSITY PROB OF ISOL RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR E 9 WITH GUSTS BACK SECTOR N

BY 2/0600 BACK SECTOR S BY 2/2100 PROB OF HVY RAIN STORMS VIS VERY POOR

W OF 30 - E OF 40W: SECTOR S 8 WITH GUSTS PROB OF HVY RAIN STORMS VIS VERY

POOR

W OF 40 - E OF 50W: SECTOR S 5 WITH GUSTS VEER SECTOR W BY 2/1800 LOW PROB OF

ISOL RAIN VIS MODERATE OCNL MODERATE

REST OF THE AREA: SECTOR S 4 VEER SECTOR W VEER SECTOR N 6 WITH GUSTS BY 2/1800

PROB OF RAIN STORMS STARTING EVENING VIS GOOD TO MODERATE OCNL POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR N 6 WITH

GUSTS VEER NE 9 WITH GUSTS BY 2/0900 VEER SECTOR E BY 2/1500 PROB OF HVY RAIN

STORMS STARTING EARLY MORNING VIS GOOD VERY POOR

E OF 30 - S OF 45S: NW 10 GUST WITH 8 INTENSITY BACK SECTOR S 5/6 WITH GUSTS BY

2/1800 PROB OF ISOL RAIN NXT HVY RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE

POOR

W OF 30 - N OF 45S: SECTOR S 5/6 WITH GUSTS VEER SECTOR W BY 2/2100 PROB OF

RAIN STARTING EARLY MORNING VIS GOOD POOR

REST OF THE AREA: SECTOR W 7/6 WITH GUSTS BACK SECTOR S BY 2/2100 PROB OF RAIN

STARTING EARLY MORNING VIS POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 4 VEER

SECTOR W 5 WITH GUSTS BY 2/0600 PROB OF ISOL RAIN VIS MODERATE

E OF 50 - S OF 45S: SECTOR W 6/5 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR N BY 2/1500 PROB OF RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 8 WITH GUSTS DECR 7/6

BY 2/1500 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS VERY POOR

POOR

REST OF THE AREA: SECTOR N 5 BACK SECTOR W 6 WITH GUSTS BY 2/0900 PROB OF SNOW

FALL VIS POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 6/7 PROB OF RAIN AND

SNOW MIXTURE NXT SNOW FALL VIS POOR OCNL VERY POOR

W OF 50 - N OF 55S: VRB 6/7 GUST WITH 8 INTENSITY SECTOR W WITH GUSTS PROB OF

RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 2/1800

BACK SECTOR S BY 2/2100 PROB OF SNOW FALL VIS POOR VERY POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7 GUST WITH 8 INTENSITY INCR 8 WITH

GUSTS BY 2/0600 BACK SECTOR S 7/6 WITH GUSTS BY 2/1500 PROB OF RAIN NXT SNOW

FALL VIS POOR VERY POOR

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 020000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 02, SEPTEMBER 2026.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

1118/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N IN 60S-65S 40W-30W UNTIL 01/2100

1119/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW IN 63S-68S 59W-50W UNTIL 02/2100

1120/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST VEER SECTOR E IN 68S-73S 50W-30W UNTIL 02/1500

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 956HPA 69S 42W MOV E DPN

LOW 962HPA 64S 48W MOV E WKN

LOW 978HPA 61S 75W MOV SE DPN

011400 UTC 1.SEA ICE LIMIT 5558S 02000W 5446S 02618W 5350S 03218W 5557S 03758W 5859S 04317W 6011S 04814W 6040S 05248W 6201S 05655W 6335S 06032W 6312S 06337W 6137S 06559W 6136S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5319S 02811W 17X6NM A81 5904S 04727W 28X25NM D33B 5914S 05041W 21X12NM 3.ICEBERGS SMALLER THAN 10NM D33C 6152S 05423W 9X5NM ICEBERG1 5841S 05100W 5X3NM ICEBERG2 6053S 05327W 5X3NM ICEBERG3 6020S 05228W 6X4NM ICEBERG4 5844S 05055W 2X1NM ICEBERG5 5830S 05050W 2X1NM 4.ICEBERGS AREA A5700S 02000W 4700S 02000W 5200S 04900W 6100S 04900W B5600S 04900W 6100S 04900W 6600S 06600W 6600S 06600W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-3

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/7 WITH GUSTS BACK SECTOR S 5/4 BY 2/1200 PROB OF MIST PROB OFISOL 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: SECTOR W 7 GUST WITH 8 INTENSITY BACK SECTOR S 5 BY 01/0900 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 W OF 60W: SW 6/7 WITH GUSTS BACK SECTOR S 5/4 BY 2/1200 PROB OF MIST PROB OFISOL 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: SECTOR W 7 GUST WITH 8 INTENSITY BACK SECTOR S 5 BY 2/0900 PROB OF MIST BLIZZARD PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

GERLACHE STRAIT : SW 4/5 BACK SECTOR E 4 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

MARGARITA BAY : SE 3/4 BACK NW 4/3 BY 2/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 7/8 GUST WITH 9 INTENSITY DECR SW 7 GUST WITH 8 INTENSITY BY 2/1800 PROB OF FOG AND MIST IN PATCHES PROB OFCOASTAL BLIZZARD IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SE 5/4 BACK SECTOR E 4/3 BY 2/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 BACK SE 4/3 BY 2/1800 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 S 4/5 VEER SW 4/3 BY 2/1200 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: NW 7 GUST WITH 8 INTENSITY BACK SECTOR W 7 WITH GUSTS BY 2/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NE 7 GUST WITH 8 INTENSITY BACK SECTOR N 7 WITH GUSTS BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 VEER SE 5/7 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE=