METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 031200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-09-03, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 403: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH

GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS FROM 04/0600

WARNING 402: LOW 996HPA AT 41S 48W MOV E DEEPENING PROVOKES WINDS FORCE 8 AROUND

ITSELF WITH GUST BETWEEN 35S-45S 25W-55W

WARNING 401: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 WITH GUST

BETWEEN 35S-45S AND 20W-55W

WARNING 397: LOW 972HPA AT 45S 23W MOV SE PROVOKES WINDS FORCE 10 AROUND ITSELF

WITH GUST BETWEEN 35S-55S AND 20W-30W UNTIL 04/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 972HPA 45S 23W MOV SE

LOW 996HPA 41S 48W MOV E DPN EXP 47S 32W BY 04/1200 EXTENDS CFNT AT 41S 48W 38S

49W 35S 52W MOV E

LOW 975HPA 60S 31W MOV SE EXTENDS CFNT AT 60S 31W 55S 40W 51S 68W MOV E

021400 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 5314S 02748W 17X6NM

A81 5850S 04713W 28X25NM D33B 5907S 05051W 21X12NM 3.ICEBERGS SMALLER THAN 10NM

D33C 6155S 05403W 9X5NM ICEBERG1 5832S 05012W 5X3NM ICEBERG2 6045S 05241W 5X3NM

ICEBERG3 6016S 05206W 6X4NM ICEBERG4 5835S 05025W 2X1NM ICEBERG5 5839S 04948W

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

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

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-4

COASTAL AREAS:

INNER RIO DE LA PLATA: SW 4/3 LOW PROB OF ISOL RAIN DURING THE MORNING IMPR VIS

MODERATE TO GOOD

OUTER RIO DE LA PLATA: SW 4 VIS GOOD

URUGUAY SOUTH EAST COASTS: SW 6/5 WITH GUSTS DECR 4 BY 4/0600 PROB OF ISOL

STORMS TOWARDS NIGTH IMPR VIS MODERATE TO GOOD OCNL POOR

MAR DEL PLATA COASTS(3617S - 3830S): SW 5/4 VIS GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 4 VIS GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SW 4/5 VIS GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): SW 5/4 INCR 6/7 GUST WITH 8 INTENSITY BY

4/0900 VIS GOOD TO MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SW 6/5 WITH GUSTS BACK S 7/8 BY 4/0600 PROB

OF RAIN AND SNOW MIXTURE STARTING NIGTH VIS GOOD TO POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 4 VEER SE 7/8 WITH GUSTS BY 4/0600

PROB OF RAIN AND SNOW MIXTURE STARTING NIGTH VIS GOOD TO POOR

ISLAS MALVINAS COASTS: W 6 WITH GUSTS BACK SW 5/4 BY 03/1200 PROB OF RAIN AND

SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: W 5/6 WITH GUSTS VEER NW 7/8 WITH

GUSTS BY 03/2100 PROB OF STORMS STARTING NIGTH VIS MODERATE TO VERY POOR

REST OF THE AREA: NW 8 VEER SW 6 WITH GUSTS BY 03/1800 PROB OF STORMS DURING

THE EARLY MORNING IMPR VIS VERY POOR TO MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 50S: W 10 WITH GUSTS

DECR 6 WITH GUSTS BY 4/0000 VEER NW 8 WITH GUSTS BY 4/0600 PROB OF ISOL RAIN VIS

VERY POOR TO MODERATE

W OF 30 - N OF 45S: W 6 WITH GUSTS VEER N 8 WITH GUSTS BY 03/1800 VEER SW 6

WITH GUSTS BY 4/0900 PROB OF STORMS DURING THE EARLY MORNING IMPR VIS VERY POOR

TO GOOD

E OF 30 - S OF 50S: SW 9 WITH GUSTS VEER W 6/5 WITH GUSTS BY 4/0000 PROB OF HVY

RAIN DURING THE EVENING IMPR VIS VERY POOR TO GOOD

REST OF THE AREA: SW 5 PROB OF ISOL RAIN VIS MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: NE 5/6 GUST WITH 8

INTENSITY VEER SW 6 WITH GUSTS BY 03/1500 PROB OF HVY STORMS VIS VERY POOR TO

MODERATE

W OF 50 - N OF 45S: SW 5/6 WITH GUSTS PROB OF ISOL SH VIS MODERATE

E OF 50 - S OF 45S: W 5 WITH GUSTS BACK SW 6 WITH GUSTS BY 4/0000 PROB OF ISOL

SH STARTING NIGTH VIS GOOD TO MODERATE

REST OF THE AREA: W 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR S 8 WITH

GUSTS VEER NW 6 WITH GUSTS BY 03/2100 VIS MODERATE

W OF 30 - N OF 55S: NW 5/6 WITH GUSTS BACK SE 4 BY 4/0900 PROB OF ISOL SNOW

FALL STARTING NIGTH VIS MODERATE

E OF 30 - S OF 55S: NW 4/5 WITH GUSTS BACK SW 5/4 BY 4/0300 VIS GOOD

REST OF THE AREA: NW 6/7 WITH GUSTS BACK SW 5/4 BY 03/1500 PROB OF SNOW FALL

DURING THE MORNING IMPR VIS MODERATE TO GOOD

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 5/6 PROB OF SNOW FALL VIS

MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SW 4 BACK SE 5/6 WITH GUSTS BY 4/0300 VIS

GOOD TO MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 031200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 03, SEPTEMBER 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1125/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 63S-72S 38W-30W FROM 04/0300 UNTIL 04/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 971HPA 61S 34W MOV E WKN

LOW 991HPA 62S 55W MOV E WKN

HIGH 1005HPA 68S 83W MOV NE INTSF

LOW 999HPA 61S 80W MOV E WKN

021400 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 5314S 02748W 17X6NM A81 5850S 04713W 28X25NM D33B 5907S 05051W 21X12NM 3.ICEBERGS SMALLER THAN 10NM D33C 6155S 05403W 9X5NM ICEBERG1 5832S 05012W 5X3NM ICEBERG2 6045S 05241W 5X3NM ICEBERG3 6016S 05206W 6X4NM ICEBERG4 5835S 05025W 2X1NM ICEBERG5 5839S 04948W 2X1NM 4.ICEBERGS AREA A5700S 02000W 4700S 02000W 5200S 04900W 6100S 04900W B5600S 04900W 6100S 04900W 6600S 06600W 6600S 06600W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-4

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 INCR SW 6 BY 03/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SW 5/6 WITH GUSTS BY 03/1800 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 4/5 INCR SW 6 BY 03/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SW 5/6 WITH GUSTS BY 03/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

GERLACHE STRAIT : SE 4/3 VEER SECTOR S 4 BY 03/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

MARGARITA BAY : SECTOR S 3/4 BACK SE 4/3 BY 03/2100 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 6/5 WITH GUSTS VEER SECTOR S 5/6 WITH GUSTS BY 03/1800 PROB OF MIST VIS MODERATE TO GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 3/4 VEER SE 4/3 BY 03/1800 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: SW 3/4 VEER NE 4 BY 03/1800 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 W 4/3 VEER NW 4/5 BY 03/1800 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SW 5/6 VEER SECTOR W 5 WITH GUSTS BY 4/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 6/5 WITH GUSTS BACK SW 7/5 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK NE 5/7 BY 03/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD=