METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 300000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-09-30, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 443: LOW 1000HPA AT 37S 52W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM

SECTOR E WITH GUST BETWEEN 40S-45S AND 40W-50W FROM 30/0900

WARNING 442: LOW 1000HPA AT 37S 52W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM

SW WITH GUST BETWEEN 35S-40S AND 50W-55W

WARNING 441: STRONG BARIC GRADIENT MOV NE PROVOKES WINDS FORCE 8 AROUND ITSELF

WITH GUST BETWEEN 35S-40S AND 40W-50W

WARNING 440: STRONG BARIC GRADIENT MOV SW WILL PROVOKE WINDS FORCE 8 AROUND

ITSELF WITH GUST BETWEEN 55S-60S AND 20W-40W FROM 30/0900

PART 2 GENERAL SYNOPSIS AT 21:00UTC

291400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W

5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W

6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5557S 04254W 28X25NM

D33B 5847S 04702W 21X12NM A76C 5507S 02526W 17X6NM A83 6053S 05217 12X7NM A85

5952S 05120W 10X3NM ICEBERG1 6002S 05126W 10X3NM 3.ICEBERGS SMALLER THAN 10NM

D32 5642S 03809W 9X6NM D33C 6144S 05348W 9X5NM ICEBERG2 5604S 04336W 5X3NM

ICEBERG3 5905S 04731W 5X3NM ICEBERG4 5613S 04732W 4X3NM ICEBERG5 5712S 04541W

3X1NM ICEBERG6 6003S 05143W 3X2NM ICEBERG7 5842S 04535W 3X2NM 4.ICEBERGS AREA

A5532S 02000W 5000S 02000W 5000S 04009W 5823S 04001W B5823S 04001W 5300S 04001W

5903S 06716W 6106S 06716W

LOW 1000HPA 37S 52W MOV SE DPN EXP 40S 46W BY 30/2100

HIGH 1025HPA 41S 37W MOV NE NC EXP 37S 25W ISLAS MALVINAS COASTS SOUTH PATAGONIA

COASTS BY 30/2100 EXTENDS RIDGE AT

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-1

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 4 DECR VRB 3 BY 30/1800 VIS GOOD

OUTER RIO DE LA PLATA: SW 6/5 WITH GUSTS VIS MODERATE TO GOOD

URUGUAY SOUTH EAST COASTS: SW 7/6 GUST WITH 8 INTENSITY DECR 5 WITH GUSTS BY

30/1500 UNSTABLE VIS MODERATE TO GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SW 6 WITH GUSTS PROB OF ISOL RAIN

STARTING EARLY MORNING IMPR VIS POOR TO MODERATE

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

SPELLS OF GOOD WEATHER VIS MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6 WITH GUSTS PROB OF DRIZZLE

SPELLS OF GOOD WEATHER VIS MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SE 6/5 WITH GUSTS PROB OF DRIZZLE VIS

MODERATE OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S): NE 4/3 VIS GOOD

FIN DEL MUNDO COASTS(54S - 55S): NW 4/3 PROB OF ISOL RAIN STARTING EARLY

MORNING VIS GOOD TO MODERATE

ISLAS MALVINAS COASTS: VRB 3 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD

OCNL MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 5 WITH GUSTS DECR VRB 3 BY

30/1800 PROB OF SH STARTING EARLY MORNING VIS MODERATE TO GOOD

W OF 30 - E OF 40W: SECTOR E 3 BACK NE 6/7 GUST WITH 8 INTENSITY BY 30/0900

PROB OF RAIN STARTING EARLY MORNING VIS MODERATE TO POOR

W OF 40 - E OF 50W: NE 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 30/1800 PROB

OF HVY RAIN VIS VERY POOR

REST OF THE AREA: SW 8/7 WITH GUSTS PROB OF SH RAIN VIS POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR S 6/5 WITH

GUSTS PROB OF SH STARTING EVENING IMPR VIS MODERATE TO GOOD

W OF 30 - N OF 45S: VRB 3 INCR NE 6/7 GUST WITH 8 INTENSITY BY 30/2100 PROB OF

RAIN STARTING EVENING VIS MODERATE TO POOR

REST OF THE AREA: SW 5/6 WITH GUSTS PROB OF SH VIS MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) S OF 50 - N OF 45S: SECTOR E 7/8 WITH

GUSTS PROB OF HVY RAIN VIS VERY POOR

E OF 50 - S OF 45S: VRB 3 INCR SECTOR E 5/6 WITH GUSTS BY 30/1500 PROB OF RAIN

STARTING EVENING VIS GOOD TO MODERATE

W OF 50 - N OF 45S: SECTOR E 6 WITH GUSTS VEER SW 6 BY 30/1500 PROB OF RAIN VIS

POOR

REST OF THE AREA: SECTOR E 6 GUST WITH 8 INTENSITY PROB OF RAIN VIS VERY POOR

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

INTENSITY PROB OF SH OF SNOW VIS POOR

REST OF THE AREA: SW 7/8 WITH GUSTS PROB OF SNOW FALL TOWARDS THE END OF THE

PERIOD IMPR VIS VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 4 DECR VRB 3 BY 30/1800

UNSTABLE VIS GOOD OCNL MODERATE

E OF 50 - S OF 55S: SECTOR S 6/5 WITH GUSTS PROB OF SH OF RAIN STARTING EARLY

MORNING IMPR VIS MODERATE GOOD

REST OF THE AREA: SW 5/4 VIS GOOD

DRAKE AREA (55S- 60S AND 60W- 67W): VRB 3 VIS GOOD

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 300000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 30, SEPTEMBER 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1197/2026 LOW 958HPA NORTHERN WEDDELL SEA MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 64S-70S 50W-20W UNTIL 30/2300

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 968HPA 67S 29W MOV E WKN

RIDGE 62S 71W 65S 70W 67S 68W MOV E NC

TROUGH 61S 44W 63S 37W 65S 31W MOV E NC

291400 UTC 1.SEA ICE LIMIT 5513S 02000W 5350S 02618W 5449S 03217W 5728S 03757W 5810S 04317W 5856S 04813W 6103S 05247W 6220S 05654W 6156S 06032W 6502S 06337W 6000S 06559W 6100S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5557S 04254W 28X25NM D33B 5847S 04702W 21X12NM A76C 5507S 02526W 17X6NM A83 6053S 05217 12X7NM A85 5952S 05120W 10X3NM ICEBERG1 6002S 05126W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5642S 03809W 9X6NM D33C 6144S 05348W 9X5NM ICEBERG2 5604S 04336W 5X3NM ICEBERG3 5905S 04731W 5X3NM ICEBERG4 5613S 04732W 4X3NM ICEBERG5 5712S 04541W 3X1NM ICEBERG6 6003S 05143W 3X2NM ICEBERG7 5842S 04535W 3X2NM 4.ICEBERGS AREA A5532S 02000W 5000S 02000W 5000S 04009W 5823S 04001W B5823S 04001W 5300S 04001W 5903S 06716W 6106S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-1

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 50W: SW 5 DECR SECTOR W 3 BY 30/1500 VIS GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS DECR SECTOR W 4/5 BY 30/1800 VIS GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 6/7 WITH GUSTS DECR SECTOR W 5/4 BY 30/1500 PROB OF ISOL SNOW FALL IMPR STARTING EARLY MORNING VIS GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 5 VEER SECTOR W 5/6 WITH GUSTS BY 30/1800 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD

GERLACHE STRAIT : SW 4/3 VEER SECTOR W 4 BY 30/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS MODERATE OCNL POOR

MARGARITA BAY : NW 4 BACK SECTOR W 3/4 BY 30/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE OCNL POOR

EREBUS Y TERROR GULF : SECTOR S 3/4 VEER NW 4/5 BY 30/1200 AFTERWARDS SW 4 BY 30/1800 VIS GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): NW 4/5 DECR NW 3/4 BY 30/1500 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 4/3 INCR NW 4/5 BY 30/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE

NORTHERN WEDDELL SEA W OF 35W: SW 8 WITH GUSTS DECR SW 5/6 WITH GUSTS BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 6/7 WITH GUSTS INCR SW 8 WITH GUSTS BY 30/1200 PROB OF INTERMITTENT SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/6 WITH GUSTS DECR SECTOR S 3/4 BY 30/1500 AFTERWARDS SECTOR W 3 BY 30/2100 PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD=