METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 051200 CCA

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-05, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

SEA ICE AND ICEBERGS REPORT 051400 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 6109S 053 22W 21X12NM

A81 5940S 050 56W 28X25NM

A76C 52 39S 03049W 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 1 GALE WARNING:

WARNING 361: LOW 999HPA AT 47S 36W MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH

GUST BETWEEN 40S-45S AND 20W-40W

PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 1017HPA 37S 54W MOV E DPN

LOW 1011HPA 37S 37W MOV E WKN

HIGH 1014HPA 57S 59W MOV E WKN EXP 55S 44W BY 06/1200

LOW 999HPA 47S 36W MOV E DPN EXTENDS CFNT AT 47S 36W 43S 35W 41S 38W MOV E

ASOCIATED WITH OFNT AT 47S 36W 51S 38W 49S 43W

LOW 1003HPA 49S 56W MOV E DPN EXP 49S 37W BY 06/1200 EXTENDS CFNT AT 46S 56W 40S

58W 38S 63W ASOCIATED WITH OFNT AT 46S 56W 46S 59W 45S 58W

LOW 1002HPA 49S 56W MOV E WKN

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-6

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E /3 PROB OF ISOL RAIN SPELLS OF

GOOD WEATHER VIS MODERATE OCNL GOOD

OUTER RIO DE LA PLATA: SECTOR E 3 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS

MODERATE OCNL GOOD

URUGUAY SOUTH EAST COASTS: SECTOR N 3 VEER SECTOR E /3 WITH GUSTS PROB OF ISOL

SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3 TEMPO BACK SECTOR E /3 MIST

FOG PATCHES PROB OFISOL RAIN STARTING EARLY MORNING VIS GOOD OCNL MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 3/4 BACK SECTOR E /3 BACK SECTOR S

3/4 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 3/4 BACK SECTOR S /3 PROB OF

ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 3/4 PROB OF ISOL RAIN RAIN AND

SNOW MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 3/4 WITH GUSTS VEER SECTOR N 3/4

PROB OF ISOL RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL

MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 3/4 PROB OF ISOL RAIN RAIN AND SNOW

MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

ISLAS MALVINAS COASTS: SW 5/3 WITH GUSTS PROB OF ISOL RAIN RAIN AND SNOW MIXTURE

SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 5/6 WITH GUSTS BACK SECTOR

W /3 PROB OF HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR S 3 VEER SECTOR N /3 PROB OF ISOL RAIN STORMS STARTING

EVENING VIS MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 6/8 WITH GUSTS BACK

SECTOR W 6/5 WITH GUSTS PROB OF ISOL HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS

POOR

REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY BACK SECTOR S 5/3 PROB OF

ISOL SH RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5/4 TEMPO VEER

SECTOR N 5/6 WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS

MODERATE

N OF 45 - W OF 50W: SECTOR N 6 WITH GUSTS VEER SECTOR W 5/3 PROB OF ISOL SH

RAIN SPELLS OF GOOD WEATHER VIS MODERATE

REST OF THE AREA: SECTOR S 3 VEER SECTOR E 3/4 PROB OF ISOL SH RAIN RAIN AND

SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 5/4 WITH GUSTS PROB OF ISOL

SNOW FALL VIS MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR E 4/5 WITH GUSTS DECR

4/3 PROB OF ISOL SNOW FALL VIS MODERATE

REST OF THE AREA: SECTOR S 3 VEER SECTOR W 3/4 PROB OF ISOL SNOW FALL VIS GOOD

OCNL MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 3/5 WITH GUSTS PROB OF ISOL SNOW

FALL SPELLS OF GOOD WEATHER VIS MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 051200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 05, 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 1010HPA 61S 52W MOV E WKN

HIGH 1010HPA 61S 46W MOV NE WKN EXTENDS RIDGE AT 61S 46W 65S 52W 71S 57W MOV E

LOW 1005HPA 62S 63W MOV E WKN

LOW 996HPA 62S 85W MOV E DPN

041400 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 6110S 053 16W 21X12NM A81 5948S 051 13W 28X25NM A76C 52 39S 03049W 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 2026-08-6

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR E 3/4 BACK SECTOR N 3/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR E 3/4 BACK NW 3/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR S 4/3 BACK SE 3 BY 05/2100 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD

MARGARITA BAY : NE 3/4 VEER SECTOR E 4/3 BY 05/2100 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SECTOR W 3/4 BACK SECTOR S 3/4 BY 6/0000 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 4/5 WITH GUSTS BACK NE 4/3 BY 05/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 3/4 VEER SE 4/5 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/3 VEER NE 3 BY 6/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SW 4/5 WITH GUSTS VEER NW 5/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 GUST WITH 8 INTENSITY VEER SECTOR W 4/5 BY 6/0000 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS BACK SECTOR N 5/4 WITH GUSTS BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR=