METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 100000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 10, AUGUST 2026.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

1038/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-58W UNTIL 11/0000

1039/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-68S 90W-70W UNTIL 10/1800

1040/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV NE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 66S-72S 50W-40W FROM 10/0600 UNTIL 11/1500

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 983HPA 63S 53W MOV E DPN

LOW 985HPA 70S 75W MOV E WKN

RIDGE 60S 58W 65S 53W 68S 52W MOV E INTSF

RIDGE 60S 45W 63S 43W 65S 41W MOV E INTSF

LOW 974HPA 71S 42W MOV E DPN

091400 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 30W 21X12NM A81 5919S 050 50W 28X25NM A76C 52 43S 03122W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-11

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 10/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 7/8 WITH GUSTS VEER SECTOR W 8 WITH GUSTS BY 10/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 10/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 7/8 WITH GUSTS VEER SECTOR W 8 WITH GUSTS BY 10/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/3 BY 10/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

MARGARITA BAY : SECTOR N 3/4 BACK NW 4/2 BY 10/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

EREBUS Y TERROR GULF : SECTOR S 4/5 VEER SW 5/5 BY 10/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/8 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 10/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/5 GUST WITH 8 INTENSITY BACK SECTOR W 8 WITH GUSTS BY 10/0600 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS MORNING VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/5 BACK NW 5/4 BY 10/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 64S: SECTOR W 3/4 VEER NW 5/6 BY 10/0600 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: SW 4/5 WITH GUSTS INCR SW 7/8 WITH GUSTS BY 10/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA REST OF THE AREA: SE 4 BACK SECTOR E 5/6 BY 10/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 100000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-10, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 372: LOW 957HPA AT 45S 32W MOV SE PROVOKES WINDS FORCE 8 AROUND ITSELF

WITH GUST IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W)

WARNING 371: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH

GUST IN DRAKE AREA (55S- 60S AND 60W- 67W)

WARNING 370: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR S WITH

GUST IN CENTRAL WEST AREA (40S- 50S AND 40W- 60W)

WARNING 367: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST IN NORTH AREA (35S- 40S AND 20W- 55W)

WARNING 366: STRONG BARIC GRADIENT MOV SW PROVOKES WINDS FORCE 8 FROM SECTOR S

WITH GUST IN ISLAS MALVINAS COASTS BETWEEN 50S-60S AND 50W-60W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 957HPA 45S 32W MOV SE DPN EXTENDS CFNT AT 45S 29W 39S 24W 37S 25W

091400 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 30W

21X12NM A81 5919S 050 50W 28X25NM A76C 52 43S 03122W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-11

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3/4 BACK SECTOR E 3 BY 10/2100 VIS GOOD

OUTER RIO DE LA PLATA: SECTOR S 3/4 BACK SECTOR E 3 BY 10/2100 VIS GOOD

URUGUAY SOUTH EAST COASTS: SECTOR S 6/5 WITH GUSTS DECR 4 BY 10/1500 VIS

MODERATE TO GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6 WITH GUSTS DECR 4 BY 10/1500

PROB OF SH IMPR STARTING EVENING VIS MODERATE TO GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6/5 WITH GUSTS DECR 4 BY

10/1500 LOW PROB OF SH IMPR STARTING EVENING VIS MODERATE TO GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5/4 VEER SECTOR W 4 BY 10/2100

LOW PROB OF SH IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): SW 5/4 VIS GOOD

SOUTH PATAGONIA COASTS(48S - 54S): SW 5 WITH GUSTS LOW PROB OF ISOL RAIN VIS

GOOD

FIN DEL MUNDO COASTS(54S - 55S): SW 7 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE

VIS MODERATE

ISLAS MALVINAS COASTS: SW 8 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 45W: SECTOR W 8 WITH GUSTS PROB OF RAIN

VIS VERY POOR

REST OF THE AREA: SECTOR W 8 BACK SECTOR S 7/6 WITH GUSTS BY 10/1500 PROB OF

RAIN VIS VERY POOR TO MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 9 WITH GUSTS BACK

SECTOR W 8 WITH GUSTS BY 10/1200 PROB OF RAIN VIS VERY POOR

REST OF THE AREA: SECTOR W 8 DECR 7/6 WITH GUSTS BY 10/1200 PROB OF RAIN AND

SNOW MIXTURE VIS VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 8 WITH GUSTS DECR 7 WITH

GUSTS BY 10/1500 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 7 WITH GUSTS VEER SECTOR W 6

WITH GUSTS BY 10/1800 VIS POOR OCNL MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W) W OF 50W: SECTOR S 8 WITH GUSTS PROB OF

RAIN AND SNOW MIXTURE VIS POOR

REST OF THE AREA: SECTOR S 7/6 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS

POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS PROB OF RAIN AND SNOW

MIXTURE VIS POOR

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