METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 120000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 12, 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 996HPA 66S 48W MOV E WKN

LOW 994HPA 69S 48W MOV E WKN

LOW 999HPA 68S 59W MOV E WKN

LOW 1007HPA 65S 75W MOV SE DPN

111400 UTC 1.SEA ICE LIMIT 5545S 02000W 5412S 02618W 5547S 03218W 5632S 03758W 5720S 04317W 5923S 04813W 6002S 05247W 6126S 05654W 6005S 06032W 6010S 06337W 6026S 06559W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5714S 04700W 28X25NM D33B 5842S 04939W 21X12NM A76C 5407S 02620W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D32 5757S 03911W 9X6NM D33C 6152S 05420W 9X5NM ICEBERG1 5852S 04703W 5X3NM ICEBERG2 6014S 05224W 5X3NM ICEBERG3 5845S 05108W 6X4NM ICEBERG4 6012S 05130W 2X1NM ICEBERG5 5844S 05130W 2X1NM 4.ICEBERGS AREA A5616S 02000W 4901S 02000W 5200S 04009W 5820S 04000W B5820S 04000W 5317S 03933W 5903S 06716W 6145S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-13

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS VEER SECTOR W 5/4 BY 12/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 5/4 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 WITH GUSTS VEER SECTOR W 5/4 BY 12/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 5/4 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SECTOR E 3/4 VEER SE 4 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MARGARITA BAY : SECTOR N 3/4 VEER SE 5 BY 12/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

EREBUS Y TERROR GULF : SW 6/5 VEER NW 4 BY 12/1500 PROB OF MIST VIS MODERATE TO GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 3/4 BACK SE 4/5 BY 12/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 BACK SW 4/5 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 4/3 VEER SECTOR W 4/3 BY 12/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SECTOR S 3/4 VEER NE 4/5 BY 12/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 BACK SECTOR S 3/4 BY 12/1200 PROB OF MIST VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 4 BY 12/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 120000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-09-12, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 420: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR

W WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 12/0600

WARNING 419: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM S WITH

GUST BETWEEN 35S-45S 20W-40W FROM 12/1500

WARNING 418: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 GUST WITH 9

INTENSITY BETWEEN 35S-45S 20W-30W

WARNING 417: LOW 975HPA AT 57S 25W MOV E NOT CHANGE PROVOKES WINDS FORCE 8 FROM

SECTOR W WITH GUST BETWEEN 50S-60S AND 20W-40W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

111400 UTC 1.SEA ICE LIMIT 5545S 02000W 5412S 02618W 5547S 03218W 5632S 03758W

5720S 04317W 5923S 04813W 6002S 05247W 6126S 05654W 6005S 06032W 6010S 06337W

6026S 06559W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5714S 04700W 28X25NM

D33B 5842S 04939W 21X12NM A76C 5407S 02620W 17X6NM 3.ICEBERGS SMALLER THAN 10NM

D32 5757S 03911W 9X6NM D33C 6152S 05420W 9X5NM ICEBERG1 5852S 04703W 5X3NM

ICEBERG2 6014S 05224W 5X3NM ICEBERG3 5845S 05108W 6X4NM ICEBERG4 6012S 05130W

2X1NM ICEBERG5 5844S 05130W 2X1NM 4.ICEBERGS AREA A5616S 02000W 4901S 02000W

5200S 04009W 5820S 04000W B5820S 04000W 5317S 03933W 5903S 06716W 6145S 06716W

LOW 975HPA 57S 25W MOV E NC EXTENDS CFNT AT 49S 20W 47S 23W 45S 27W MOV NE

CFNT AT 51S 49W 50S 52W 49S 54W MOV NE

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-13

COASTAL AREAS:

INNER RIO DE LA PLATA: SE 4/5 WITH GUSTS PROB OF SH TOWARDS THE END OF THE

PERIOD IMPR VIS MODERATE

OUTER RIO DE LA PLATA: SE 5/6 WITH GUSTS PROB OF SH TOWARDS THE END OF THE

PERIOD IMPR VIS MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR S 4/5 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE

END OF THE PERIOD IMPR VIS MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 5/6 WITH GUSTS PROB OF SH SPELLS

OF GOOD WEATHER VIS MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 5/4 WITH GUSTS PROB OF ISOL

RAIN STARTING EVENING IMPR VIS MODERATE TO GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 4 VEER NW 3/4 BY 12/1500 PROB

OF SH TOWARDS EVENING IMPR VIS MODERATE TO GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): NW 4/5 WITH GUSTS PROB OF SH TOWARDS

MORNING IMPR VIS MODERATE TO GOOD

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 WITH GUSTS PROB OF SH RAIN AND

SNOW MIXTURE STARTING EARLY MORNING IMPR VIS MODERATE

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

RAIN AND SNOW MIXTURE VIS MODERATE TO POOR

ISLAS MALVINAS COASTS: SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF SH RAIN AND

SNOW MIXTURE VIS MODERATE OCNL POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8 WITH GUSTS PROB OF HVY RAIN

VIS VERY POOR

W OF 30 - E OF 40W: SECTOR S 6/8 WITH GUSTS PROB OF RAIN VIS VERY POOR

REST OF THE AREA: SE 6/5 PROB OF SH RAIN VIS POOR

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

BACK SECTOR S 6 WITH GUSTS BY 12/0600 PROB OF SH RAIN VIS POOR TO MODERATE

W OF 30 - N OF 45S: SECTOR S 5 WITH GUSTS PROB OF SH VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY PROB OF SH RAIN AND SNOW

MIXTURE VIS POOR

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

OF SH VIS MODERATE OCNL POOR

REST OF THE AREA: SW 6 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE

OCNL POOR

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

SNOW FALL VIS VERY POOR

E OF 30 - S OF 55S: SECTOR S 6 WITH GUSTS PROB OF SNOW FALL VIS VERY POOR

REST OF THE AREA: SW 8/6 WITH GUSTS PROB OF SNOW FALL TOWARDS THE END OF THE

PERIOD IMPR VIS POOR TO MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 6/7 GUST WITH 8 INTENSITY

PROB OF SH RAIN AND SNOW MIXTURE VIS POOR

REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY PROB OF SH RAIN AND SNOW MIXTURE

VIS POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/8 WITH GUSTS PROB OF RAIN SNOW

FALL VIS VERY POOR TO POOR

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