METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 300000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-30, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 395: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 WITH GUST BETWEEN

35S-45S AND 20W-30W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

291400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W

5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W

6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM

A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM

ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W

6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W

5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W

6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W

LOW 1000HPA 41S 26W MOV SE DPN EXTENDS CFNT MOV NE

CFNT AT 56S 33W 55S 36W 54S 41W MOV E

RIDGE GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS MOV

E MOV E

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-31

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR E 3 VIS GOOD

OUTER RIO DE LA PLATA: NE 3/4 VIS GOOD

URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 VIS GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 UNSTABLE DURING THE EARLY

MORNING VIS GOOD OCNL MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 4 PROB OF ISOL SH STORMS VIS

MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): NW 4 PROB OF SH STARTING EVENING IMPR

VIS MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 UNSTABLE VIS GOOD OCNL

MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 PROB OF SH STARTING EVENING

VIS GOOD TO MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4 PROB OF SH STARTING NOON VIS

MODERATE

ISLAS MALVINAS COASTS: SECTOR S 4 VEER SECTOR N 4 BY 30/1500 PROB OF RAIN AND

SNOW MIXTURE VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8/7 BACK SW 5 BY 30/1200 PROB OF

HVY RAIN VIS VERY POOR

W OF 30 - E OF 40W: SECTOR S 5/4 DECR VRB 3 BY 30/1500 PROB OF RAIN STARTING

NOON IMPR VIS MODERATE TO GOOD

REST OF THE AREA: VRB 3 INCR NW 4 BY 30/0600 VIS GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 8 WITH GUSTS

BACK 6 WITH GUSTS SH RAIN VIS GOOD

E OF 30 - S OF 45S: SECTOR W 5 PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE

REST OF THE AREA: NW 5/6 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS

MODERATE TO POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5/6 PROB OF SH VIS

MODERATE OCNL POOR

W OF 50 - N OF 45S: NW 4/5 WITH GUSTS PROB OF ISOL SH STORMS STARTING EARLY

MORNING VIS MODERATE OCNL POOR

REST OF THE AREA: SW 4/5 DECR VRB 3 BY 30/1500 PROB OF SH STARTING EVENING IMPR

VIS MODERATE TO GOOD

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 6/5 PROB OF SNOW FALL

VIS POOR TO MODERATE

REST OF THE AREA: SECTOR W 6/5 PROB OF SH OF SNOW VIS MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 4 PROB OF SH RAIN AND SNOW

MIXTURE VIS MODERATE

REST OF THE AREA: SECTOR W 5/6 PROB OF SH OF SNOW STARTING EVENING IMPR VIS

MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SW 4 VEER SECTOR N 4 BY 30/1200 UNSTABLE VIS

GOOD OCNL MODERATE

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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, AUGUST 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 991HPA 62S 58W MOV E WKN

LOW 995HPA 62S 44W MOV E DPN

HIGH 999HPA 64S 80W MOV E INTSF

91400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W 5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W 6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W 6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W 5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W 6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-31

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4 VEER SECTOR W 3/4 BY 29/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 VEER SW 3/4 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 4 VEER SECTOR W 3/4 BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/3 VEER NW 3/4 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR S 3/4 VEER SW 4/3 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE

MARGARITA BAY : NE 4/3 BACK NW 4/3 BY 30/1200 PROB OF MIST VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : SW 4/5 VEER NW 4/3 BY 30/1500 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 4/3 VEER SECTOR W 4/3 BY 30/1200 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 VEER NE 4/3 BY 30/0900 PROB OF MIST IMPR DURING THE NOON VIS MODERATE TO GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 2/4 BACK SW 4/3 BY 30/1200 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SW 4/5 BACK SECTOR S 5/6 BY 30/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 5/6 WITH GUSTS BACK SW 5/4 BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/6 WITH GUSTS BACK SECTOR E 5/4 BY 30/1500 PROB OF MIST PROB OFCOASTAL BLIZZARD WORSENING STARTING NOON VIS GOOD TO MODERATE=