METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 071200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-07, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 365: LOW 975HPA AT 37S 49W MOV SE DEEPENING EXPECTED 47S 38W BY 08/1200

PROVOKES WINDS FORCE 9 AROUND ITSELF WITH GUST BETWEEN 35S-55S AND 20W-55W

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 975HPA 37S 49W MOV SE DPN EXP 47S 38W BY 08/1200 EXTENDS CFNT AT 37S 45W 35S

43W 32S 44W MOV E ASOCIATED WITH OFNT AT 37S 45W 42S 49W 35S 50W

RIDGE 50S 23W 54S 34W 57S 52W MOV SE

061400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W

5737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W

6408S 06559W 6257S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6112S 053 31W

21X12NM A81 5932S 050 52W 28X25NM A76C 52 52S 03108W 16X6NM 3.ICEBERGS AREA

A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 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 2026-08-8

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 4/5 WITH GUSTS VEER SECTOR N WITH GUSTS BY

8/0300 VIS GOOD OCNL MODERATE

OUTER RIO DE LA PLATA: SECTOR S 4/5 WITH GUSTS VEER SECTOR N WITH GUSTS BY

8/0300 VIS GOOD OCNL MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR S 4/5 WITH GUSTS VEER SECTOR N WITH GUSTS BY

8/0300 VIS GOOD OCNL MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/5 WITH GUSTS VEER SECTOR N

WITH GUSTS BY 8/0300 VIS GOOD OCNL MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 5/6 WITH GUSTS PROB OF SH

STARTING NIGTH VIS MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 5/6 WITH GUSTS RAIN AND SNOW

MIXTURE STARTING NIGTH VIS MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/6 WITH GUSTS PROB OF RAIN AND

SNOW MIXTURE VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): VRB 4 VEER SECTOR S 5 WITH GUSTS BY 8/0300

RAIN AND SNOW MIXTURE VIS MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 WITH GUSTS VEER SECTOR S BY

8/0300 RAIN AND SNOW MIXTURE VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR N 4/5 WITH GUSTS VEER SECTOR S WITH GUSTS BY

8/0300 RAIN AND SNOW MIXTURE VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: SECTOR W 9 WITH GUSTS DECR 6 WITH

GUSTS BY 8/0600 SH RAIN VIS VERY POOR

W OF 30 - E OF 40W: SECTOR N 6 WITH GUSTS INCR 9 WITH GUSTS BY 07/2100 BACK

SECTOR W WITH GUSTS BY 8/0000 RAIN SPELLS OF GOOD WEATHER VIS VERY POOR

REST OF THE AREA: SECTOR N 5/7 WITH GUSTS RAIN SPELLS OF GOOD WEATHER VIS

POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR E 5/6 WITH GUSTS INCR 9 WITH

GUSTS BY 07/2100 BACK SECTOR N BY 8/0300 RAIN VIS VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50W: VRB 4/5 WITH GUSTS PROB OF

SH STARTING NIGTH VIS MODERATE

REST OF THE AREA: SECTOR S 8 WITH GUSTS VEER SECTOR W 9 WITH GUSTS BY 8/0000

HVY RAIN VIS VERY POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR E 4/5 WITH GUSTS INCR 9

WITH GUSTS BY 8/0300 RAIN STARTING NIGTH VIS MODERATE TO VERY POOR

REST OF THE AREA: SECTOR W 4 WITH GUSTS VEER SECTOR N WITH GUSTS BY 8/0000 RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR N 5/7 WITH GUSTS VEER SECTOR S

WITH GUSTS BY 8/0300 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): VRB 3 BACK SECTOR S 4 WITH GUSTS BY 8/0300

LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 071200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 07, 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 09:00UTC

LOW 989HPA 67S 56W MOV E WKN

RIDGE 60S 39W 63S 39W 66S 40W MOV E WKN

HIGH 999HPA 60S 62W MOV NE WKN

RIDGE 64S 90W 66S 82W 65S 70W MOV E INTSF

LOW 996HPA 62S 77W MOV E DPN

061400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W 5737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W 6408S 06559W 6257S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6112S 053 31W 21X12NM A81 5932S 050 52W 28X25NM A76C 52 52S 03108W 16X6NM 3.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 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 2026-08-8

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 3/4 BACK SW 4/5 BY 8/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 BY 8/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: NW 3/4 BACK SW 4/5 BY 8/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/5 WITH GUSTS BACK SW 5/6 BY 8/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SECTOR S 4/3 BACK SE 3 BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR

MARGARITA BAY : NE 3/4 BACK SECTOR N 4/3 BY 8/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : SW 3/4 INCR SW 5/6 WITH GUSTS BY 8/0000 PROB OF MIST VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SE 4/6 WITH GUSTS VEER SECTOR S 7 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 BACK SW 4/6 BY 8/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 4/5 BACK SECTOR W 4/5 WITH GUSTS BY 8/0000 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 64S: NW 5/6 WITH GUSTS BACK SECTOR W 5 BY 8/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 VEER SECTOR N 3 BY 8/0000 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/6 WITH GUSTS VEER SECTOR E 4/3 BY 8/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR=