METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 041200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-04, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 359: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN

SOUTH EAST AREA (50S- 60S AND 20W- 40W)

PART 2 GENERAL SYNOPSIS AT 09:00UTC

031400 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 04W

21X12NM A81 5956S 051 31W 28X25NM A76C 52 23S 03114W 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

HIGH 1029HPA 35S 45W MOV E WKN

LOW 1014HPA 34S 51W MOV SE NC EXP 37S 34W BY 05/1200 EXTENDS WFNT AT 34S 51W 35S

46W 33S 41W MOV SE

LOW 1005HPA 50S 54W MOV NE DPN EXP 46S 34W BY 05/1200 EXTENDS CFNT AT 50S 54W

43S 49W 39S 52W MOV NE EXP 46S 34W 44S 37W 44S 37W BY 05/1200 ASOCIATED WITH

OFNT AT 50S 54W 51S 66W 47S 61W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-5

COASTAL AREAS:

INNER RIO DE LA PLATA: SE 3 VEER E 4/3 BY 04/2100 AFTERWARDS N 3 BY 5/0900 PROB

OF MIST DRIZZLE VIS GOOD OCNL MODERATE

OUTER RIO DE LA PLATA: SE 3 VEER E 4/3 BY 04/2100 AFTERWARDS N 3 BY 5/0900 PROB

OF MIST DRIZZLE VIS GOOD OCNL MODERATE

URUGUAY SOUTH EAST COASTS: SE 3 VEER E 4/3 BY 04/2100 AFTERWARDS N 3 BY 5/0900

PROB OF MIST DRIZZLE VIS GOOD OCNL MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): VRB 3/4 PROB OF MIST DURING THE END OF

THE PERIOD NEXT WORSENING VIS MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4/3 INCR 5 BY 5/0000 BACK

SECTOR W BY 5/0600 PROB OF DRIZZLE RAIN STARTING EVENING STARTING NIGTH IMPR VIS

MODERATE OCNL GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 3/4 VEER SECTOR W 5 BY 5/0000

PROB OF ISOL DRIZZLE RAIN VIS MODERATE OCNL GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 VEER SECTOR W BY 5/0900 PROB OF

ISOL DRIZZLE RAIN VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): VRB 5 VEER SECTOR S 4 BY 04/2100 PROB OF

RAIN VIS MODERATE OCNL POOR

FIN DEL MUNDO COASTS(54S - 55S): E 4 BACK N 3 BY 5/0300 PROB OF MIST DRIZZLE

VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: E 5/6 WITH GUSTS PROB OF RAIN VIS POOR OCNL VERY POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: VRB 3/4 VEER SECTOR N 5/6 WITH

GUSTS BY 5/0000 PROB OF RAIN STORMS STARTING NIGTH VIS MODERATE TO POOR

REST OF THE AREA: N 5 BACK S 4 BY 04/2100 BACK VRB 3 PROB OF RAIN STORMS

STARTING NIGTH IMPR VIS MODERATE TO GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6/5 VEER SECTOR W 4 BY 04/1500

VEER NW 5/6 WITH GUSTS BY 5/0300 PROB OF STORMS STARTING NIGTH VIS POOR TO

MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W): VRB 4 BACK SECTOR W INCR 5/6 WITH

GUSTS BY 5/0600 PROB OF RAIN STORMS IMPR GRADUALLY VIS MODERATE OCNL POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 8/6 WITH GUSTS DECR 6/5 BY 5/0600

DECR VIS VERY POOR TO POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W): W 5 BACK VRB 4/3 PROB OF MIST RAIN AND

SNOW MIXTURE VIS GOOD OCNL MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/3 PROB OF ISOL RAIN AND SNOW

MIXTURE VIS GOOD OCNL MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 041200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 04, 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 1009HPA 64S 57W MOV E WKN

HIGH 1018HPA 67S 76W MOV NE WKN

LOW 1011HPA 62S 59W MOV E WKN

HIGH 1012HPA 67S 58W MOV NE WKN

031400 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 04W 21X12NM A81 5956S 051 31W 28X25NM A76C 52 23S 03114W 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 2026-08-5

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 BACK SECTOR E 3/4 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 VEER SECTOR W 4/3 BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 BACK SECTOR E 3/4 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 4/5 VEER SECTOR W 4/3 BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR S 4/3 BACK SE 3 BY 04/2100 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD

MARGARITA BAY : SECTOR S 3/4 BACK NE 4/3 BY 5/0300 PROB OF MIST VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 4/5 WITH GUSTS BACK NE 3/4 BY 5/0000 PROB OF FOG MIST WORSENING DURING THE NIGTH 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 5/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/3 VEER NE 4/5 BY 5/0300 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 4/5 WITH GUSTS VEER NE 5 BY 5/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 64S: SW 5/6 GUST WITH 8 INTENSITY BACK SECTOR S 5/4 BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/7 WITH GUSTS DECR SECTOR W 5/4 WITH GUSTS BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK SECTOR E 5/6 WITH GUSTS BY 5/0000 PROB OF MIST VIS MODERATE TO GOOD=