METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 030000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-09-3, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 401: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH

GUST BETWEEN 35S-40S 35W-55W FROM 03/0900

WARNING 397: LOW 984HPA AT 39S 30W MOV SE DEEPENING PROVOKES WINDS FORCE 10

AROUND ITSELF WITH GUST BETWEEN 35S-50S AND 20W-35W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

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

LOW 984HPA 39S 30W MOV SE DPN

LOW 1005HPA 39S 58W MOV E DPN EXP 40S 40W BY 03/2100

LOW 1005HPA 44S 60W MOV E WKN EXTENDS CFNT AT 44S 60W 41S 60W 38S 62W MOV NE

LOW 975HPA 58S 50W MOV SE WKN

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

COASTAL AREAS:

INNER RIO DE LA PLATA: NW 4/5 WITH GUSTS BACK SECTOR W WITH GUSTS BY 3/0600 PROB

OF HVY STORMS NXT ISOL STORMS STARTING EVENING IMPR VIS MODERATE OCNL POOR TO

GOOD

OUTER RIO DE LA PLATA: NW 4/5 WITH GUSTS BACK SECTOR W WITH GUSTS BY 3/0600 PROB

OF HVY STORMS NXT ISOL STORMS STARTING EVENING IMPR VIS MODERATE OCNL POOR TO

GOOD

URUGUAY SOUTH EAST COASTS: NW 5/6 WITH GUSTS BACK SECTOR W 6/5 BY 3/1200 PROB OF

HVY STORMS STARTING EARLY MORNING VIS MODERATE TO POOR

MAR DEL PLATA COASTS(3617S - 3830S): NW 5/6 WITH GUSTS BACK SECTOR W 5 BY

3/0600 PROB OF HVY STORMS NXT SH VIS POOR TO MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 5/6 WITH GUSTS PROB OF ISOL STORMS

STARTING EARLY MORNING IMPR VIS MODERATE OCNL GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SW 5 PROB OF ISOL STORMS STARTING EARLY

MORNING IMPR VIS MODERATE TO GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5/6 WITH GUSTS VIS GOOD TO

MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 7/6 GUST WITH 8 INTENSITY BACK

SECTOR S 6 WITH GUSTS BY 3/1500 PROB OF RAIN VIS POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6 WITH GUSTS BACK SECTOR S 5/6 WITH

GUSTS BY 3/1200 PROB OF SH RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE

ISLAS MALVINAS COASTS: SECTOR W 7/6 GUST WITH 8 INTENSITY BACK SECTOR S 5 BY

3/0300 PROB OF RAIN NXT PROB OF RAIN AND SNOW MIXTURE VIS POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR N 10/9 WITH GUSTS BACK

SECTOR W 9/7 WITH GUSTS BY 3/0900 PROB OF RAIN VIS VERY POOR

REST OF THE AREA: SECTOR N 6/8 WITH GUSTS PROB OF HVY RAIN NXT RAIN VIS VERY

POOR OCNL POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 35 - N OF 45S: SECTOR N 9 WITH

GUSTS BACK SECTOR W 9/7 WITH GUSTS BY 3/1200 PROB OF HVY RAIN NXT SH VIS VERY

POOR TO POOR

E OF 35 - S OF 45S: SECTOR S 8/7 WITH GUSTS PROB OF HVY RAIN NXT SH VIS VERY

POOR TO POOR

REST OF THE AREA: SECTOR S 7 WITH GUSTS VEER SECTOR W 6 WITH GUSTS PROB OF RAIN

NXT HVY RAIN VIS POOR OCNL VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: VRB 5/6 WITH GUSTS PROB OF

HVY RAIN VIS POOR

REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF SH VIS MODERATE OCNL POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 6/7 WITH GUSTS PROB OF SH OF SNOW

VIS POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W): NW 7 WITH GUSTS BACK SECTOR S 6 WITH

GUSTS BY 3/1200 PROB OF SNOW FALL VIS POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 5/4 PROB OF SNOW FALL VIS MODERATE

OCNL POOR

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 030000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 03, SEPTEMBER 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1124/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-64S 38W-30W UNTIL 03/0600

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 955HPA 70S 35W MOV E WKN

LOW 974HPA 63S 35W MOV E WKN

LOW 992HPA 62S 63W MOV E WKN

HIGH 997HPA 64S 75W MOV NE INTSF

LOW 993HPA 61S 81W MOV E DPN

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 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-4

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 INCR SW 6 BY 3/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING 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 3/1500 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 3/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING 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 3/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

GERLACHE STRAIT : SE 4/5 BACK SECTOR E 4 BY 3/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

MARGARITA BAY : SW 3/4 BACK SE 4/3 BY 3/1500 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 7/6 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS BY 3/1800 PROB OF FOG AND MIST IN PATCHES PROB OFCOASTAL BLIZZARD SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 3/4 VEER SE 4/3 BY 3/1500 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 3/1500 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 4/3 VEER NW 4/5 BY 3/1800 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: NW 8 WITH GUSTS BACK SW 6 WITH GUSTS BY 3/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NW 7 GUST WITH 8 INTENSITY BACK SW 7/5 WITH GUSTS BY 3/0900 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 3/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR=