METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 280000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 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 21:00UTC

LOW 973HPA 61S 40W MOV SE DPN

LOW 993HPA 70S 75W MOV E WKN

HIGH 992HPA 63S 57W MOV E WKN

HIGH 996HPA 71S 51W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-29

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS DECR SW 5/3 BY 28/1200 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 4/5 WITH GUSTS BACK SE 4/3 BY 28/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 WITH GUSTS DECR SW 5/4 BY 28/1200 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 4/5 WITH GUSTS BACK SE 3/3 BY 27/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/3 BY 28/0900 PROB OF MIST VIS MODERATE TO GOOD

MARGARITA BAY : SECTOR E 3/4 BACK NE 4/3 BY 28/1200 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 5/6 WITH GUSTS BACK SECTOR S 4 BY 28/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 6/4 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 28/1500 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 7/5 WITH GUSTS DECR SW 5 WITH GUSTS BY 28/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 7 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 28/1200 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 3/3 WITH GUSTS BY 27/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SE 3/4 VEER SECTOR S 4/5 BY 28/1200 PROB OF MIST VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 BACK NE 4/4 BY 28/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS GOOD TO MODERATE=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 280000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-07-28, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 349: LOW 975HPA AT 60S 39W MOV E DEEPENING EXPECTED 60S 27W BY 29/0000

WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST BETWEEN 50S-60S 30W-40W FROM

28/0300 UNTIL 28/1800

WARNING 347: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH

GUST BETWEEN 40S-50S AND 20W-30W UNTIL 28/0600

PART 2 GENERAL SYNOPSIS AT 21:00UTC

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

LOW 1002HPA 45S 64W MOV E WKN EXP BY 29/0000 ASOCIATED WITH OFNT AT 46S 63W 45S

66W 43S 65W

LOW 1005HPA 40S 56W MOV SE DPN EXP 42S 33W BY 29/0000 EXTENDS CFNT AT MAR DEL

PLATA COASTS MOV NE

RIDGE 38S 40W 41S 44W 45S 47W

LOW 975HPA 60S 39W MOV E DPN EXP 60S 27W BY 29/0000

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

COASTAL AREAS:

INNER RIO DE LA PLATA: VRB 3/4 INCR SECTOR E 5 WITH GUSTS BY 28/1800 PROB OF

MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD

OUTER RIO DE LA PLATA: VRB 3/4 INCR SECTOR E 5 WITH GUSTS BY 28/1800 PROB OF

MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD

URUGUAY SOUTH EAST COASTS: SECTOR N 4 BACK SECTOR W BY 28/0600 BACK SE BY

28/1500 PROB OF MIST FOG PATCHES DISSIPATING DURING THE MORNING VIS MODERATE

OCNL POOR TO GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5 WITH GUSTS BACK SECTOR W 4 BY

28/0300 BACK SECTOR S 5 WITH GUSTS BY 28/0900 PROB OF ISOL RAIN IMPR DURING THE

EARLY MORNING VIS MODERATE OCNL POOR TO GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 5 WITH GUSTS BACK SECTOR S

BY 28/0600 DECR VRB 3 BY 28/2300 LOW PROB OF COASTAL MIST DURING THE EARLY

MORNING DISSIPATING DURING THE MORNING VIS GOOD OCNL MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6 WITH GUSTS DECR VRB 4/3 BY

28/1800 PROB OF ISOL RAIN VIS MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6 WITH GUSTS DECR VRB 4/3 BY

28/1800 PROB OF ISOL RAIN VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): VRB 4 INCR SECTOR S 5 WITH GUSTS BY 28/0300

VEER SECTOR W BY 28/0900 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER

VIS MODERATE OCNL GOOD

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6 WITH GUSTS LOW PROB OF RAIN AND

SNOW MIXTURE VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS LOW PROB OF RAIN AND SNOW MIXTURE

VIS MODERATE OCNL POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 6 WITH GUSTS VEER SECTOR N 6/7

GUST WITH 8 INTENSITY BY 28/1500 PROB OF ISOL RAIN STORMS STARTING EARLY MORNING

VIS GOOD TO POOR OCNL VERY POOR

W OF 40 - E OF 50W: VRB 4 INCR SECTOR N 6 WITH GUSTS BY 28/0300 BACK SW BY

28/1500 PROB OF ISOL RAIN STORMS STARTING EARLY MORNING IMPR TOWARDS THE END OF

THE PERIOD VIS GOOD TO MODERATE OCNL POOR

REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR W BY 28/0600 BACK SECTOR S

BY 28/1200 PROB OF ISOL SH RAIN IMPR DURING THE EARLY MORNING VIS MODERATE TO

GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 8 WITH GUSTS DECR

7/6 WITH GUSTS BY 28/0600 VEER SECTOR N BY 28/2100 PROB OF RAIN AND SNOW MIXTURE

VIS VERY POOR TO POOR

W OF 30 - N OF 45S: SECTOR W 6/5 WITH GUSTS VEER SECTOR N 6 WITH GUSTS BY

28/1500 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS

MODERATE OCNL POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: VRB 4/3 INCR

SECTOR N 5/6 WITH GUSTS BY 28/0300 BACK SW BY 28/0900 PROB OF RAIN NEXT ISOL

RAIN VIS MODERATE OCNL POOR

E OF 50 - S OF 45S: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 6 WITH GUSTS BY

28/1800 PROB OF ISOL RAIN VIS MODERATE

W OF 50 - N OF 45S: SECTOR N 5 WITH GUSTS BACK SECTOR W 6 WITH GUSTS BY 28/0300

BACK SECTOR S BY 28/1800 PROB OF RAIN NEXT ISOL RAIN VIS MODERATE

REST OF THE AREA: SECTOR E 4 VEER SECTOR S 5/6 WITH GUSTS BY 28/0900 PROB OF

ISOL RAIN VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR S 7 GUST WITH

8 INTENSITY VEER SECTOR W BY 28/0600 PROB OF SNOW FALL VIS POOR OCNL VERY POOR

E OF 30 - S OF 55S: VRB 5 INCR SECTOR N 6 WITH GUSTS BY 28/0600 BACK SECTOR W

BY 28/1200 PROB OF SNOW FALL VIS POOR OCNL VERY POOR

REST OF THE AREA: SECTOR W 7/8 WITH GUSTS BACK SW 7 WITH GUSTS BY 28/1800 PROB

OF SNOW FALL VIS VERY POOR TO POOR

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

INTENSITY BACK SECTOR S BY 28/1800 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL

VERY POOR

REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY BACK SECTOR S BY 28/0600

PROB OF SNOW FALL VIS POOR OCNL VERY POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SW 7/6 WITH GUSTS PROB OF SNOW FALL VIS POOR

OCNL VERY POOR

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