METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 281200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-07-28, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 350: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR

N WITH GUST BETWEEN 35S-45S 20W-40W FROM 28/2100

WARNING 349: LOW 972HPA AT 58S 32W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM

SECTOR W WITH GUST BETWEEN 50S-60S AND 20W-40W UNTIL 29/0900

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 972HPA 58S 32W MOV SE DPN EXTENDS CFNT AT 58S 32W 53S 37W 52S 45W

LOW 1000HPA 41S 49W MOV SE DPN EXP 45S 21W BY 29/1200 EXTENDS CFNT AT 41S 49W

35S 53W 33S 57W MOV NE ASOCIATED WITH OFNT AT 41S 49W 44S 57W 41S 59W

271400 UTC 1.SEA ICE LIMIT 5800S 02000W 5607S 02618W 5752S 03217W 5807S 03758W

5824S 04317W 5925S 04813W 6125S 05247W 6219S 05654W 6313S 06033W 6407S 06337W

6522S 06558W 6444S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6103S 05131W 21X12NM

A81 6025S 05247W 28X25NM A76C 5242S 03120W 16X6NM 3.ICEBERGS SMALLER THAN 10NM

ICEBERG1 6130S 05129W 6X3NM 4.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S

03800W 5830S 03800W B5830S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S

05000W 5800S 05000W 6300S 06716W 6620S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-29

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E 3/4 MIST FOG PATCHES DISSIPATING

VIS GOOD OCNL MODERATE

OUTER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E 3/4 MIST FOG PATCHES DISSIPATING

VIS GOOD OCNL MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR S 3 FOG MIST DISSIPATING PROB OF SH RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3/4 MIST FOG PATCHES DISSIPATING

PROB OFISOL RAIN STARTING NIGTH VIS GOOD OCNL MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 3 VEER SECTOR E 3 MIST FOG

PATCHES DISSIPATING PROB OFISOL SH RAIN TOWARDS THE END OF THE PERIOD VIS GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 5/4 WITH GUSTS BACK SECTOR S

4/3 BACK SECTOR N 3 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/3 WITH GUSTS VEER SECTOR W

3/4 PROB OF ISOL SH RAIN ISOL RAIN AND SNOW MIXTURE VIS GOOD OCNL MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/4 WITH GUSTS PROB OF ISOL RAIN

RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/4 WITH GUSTS PROB OF ISOL RAIN AND

SNOW MIXTURE VIS MODERATE OCNL GOOD

ISLAS MALVINAS COASTS: SECTOR W 5/4 WITH GUSTS ISOL RAIN AND SNOW MIXTURE SPELLS

OF GOOD WEATHER VIS MODERATE OCNL GOOD

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 5/3 VEER SECTOR W 3 VEER

SECTOR N 6/8 WITH GUSTS PROB OF ISOL HVY RAIN STORMS STARTING NIGTH VIS MODERATE

TO POOR

E OF 40W: SECTOR N 5/8 WITH GUSTS BACK SECTOR W 5/3 WITH GUSTS PROB OF HVY RAIN

STORMS VIS POOR

REST OF THE AREA: SECTOR N 5 WITH GUSTS BACK SECTOR S 5/3 WITH GUSTS PROB OF

ISOL STORMS TOWARDS EARLY MORNING IMPR VIS MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 5/4 VEER SECTOR N

6/8 WITH GUSTS BACK SECTOR S 4/3 PROB OF HVY RAIN STORMS VIS POOR

REST OF THE AREA: SECTOR W 5 WITH GUSTS TEMPO VEER SECTOR N 5/6 WITH GUSTS PROB

OF ISOL RAIN RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR N 3 BACK SECTOR W 4/5

VEER SECTOR S 4/3 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 4/5 WITH GUSTS TEMPO VEER SECTOR S 4/5 WITH GUSTS

PROB OF ISOL SH RAIN RAIN AND SNOW MIXTURE VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/8 WITH GUSTS DECR 6/5 WITH

GUSTS PROB OF SNOW FALL VIS POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SW 5/6 WITH GUSTS PROB OF ISOL SNOW

FALL VIS MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SW 5/4 WITH GUSTS PROB OF ISOL SNOW FALL

SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 281200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 28, JULY 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 09:00UTC

LOW 992HPA 61S 42W MOV E DPN

LOW 993HPA 63S 56W MOV E WKN

HIGH 999HPA 70S 50W MOV E WKN

LOW 991HPA 73S 52W MOV E WKN

271400 UTC 1.SEA ICE LIMIT 5800S 02000W 5607S 02618W 5752S 03217W 5807S 03758W 5824S 04317W 5925S 04813W 6125S 05247W 6219S 05654W 6313S 06033W 6407S 06337W 6522S 06558W 6444S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6103S 05131W 21X12NM A81 6025S 05247W 28X25NM A76C 5242S 03120W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6130S 05129W 6X3NM 4.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 03800W 5830S 03800W B5830S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-29

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS DECR SW 4 BY 29/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/3 BACK SE 4/3 BY 28/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 WITH GUSTS DECR SW 4 BY 29/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/3 BACK SE 4/3 BY 29/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/3 BY 29/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE

MARGARITA BAY : SECTOR E 3/4 BACK NE 4/3 BY 28/2100 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SECTOR S 5/6 WITH GUSTS BACK SECTOR E 4/3 BY 29/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 4/5 WITH GUSTS DECR SW 3/3 WITH GUSTS BY 29/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 6/5 WITH GUSTS DECR SECTOR W 5/4 WITH GUSTS BY 29/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 7 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 28/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 65S: SE 3/4 WITH GUSTS VEER SW 4/3 WITH GUSTS BY 28/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SE 3/4 VEER SECTOR S 4/4 BY 28/1200 PROB OF MIST VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 BACK NE 4/5 BY 28/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS GOOD TO MODERATE=