METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 140000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-08-14, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 376: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH

GUST BETWEEN 35S-40S AND 20W-40W UNTIL 14/1200

PART 2 GENERAL SYNOPSIS AT 21:00UTC

131400 UTC 1.SEA ICE LIMIT 5448S 02000W 6458S 06350W 6453S 06351W 6403S 06137W

6116S 05515W 6213S 05906W 6228S 06019W 6455S 06324W 6348S 06140W 6210S 05834W

6240S 06055W 6220S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6038S 05238W 21X12NM

A81 5911S 05115W 28X25NM A76C 5243S 03048W 16X6NM 3.ICEBERGS SMALLER THAN 10NM

D33C 6129S 05345W 9X5NM ICEBERG1 6132S 05303W 5X3NM ICEBERG2 6121S 05300W 5X3NM

ICEBERG3 6044S 05201W 6X4NM 4.ICEBERGS AREA A5800S 02000W 4557S 02000W 5001S

03200W 5605S 03200W B5605S 03200W 5300S 03200W 5400S 04000W 5734S 04000W C5734S

04000W 5500S 04000W 5500S 05100W 6106S 05100W D6106S 05100W 5700S 05100W 6050S

06716W 6233S 06716W

HIGH 1029HPA 42S 56W MOV NE NC

LOW 993HPA 40S 25W MOV NE DPN

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-15

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR E 4 WITH GUSTS PROB OF DRIZZLE VIS MODERATE

OUTER RIO DE LA PLATA: SECTOR E 4/5 WITH GUSTS UNSTABLE VIS GOOD OCNL MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR E 4 WITH GUSTS UNSTABLE VIS GOOD OCNL

MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): NE 4 WITH GUSTS UNSTABLE STARTING EARLY

MORNING IMPR VIS MODERATE OCNL GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 WITH GUSTS UNSTABLE

STARTING EARLY MORNING IMPR VIS MODERATE OCNL GOOD

PENINSULA DE VALDES COASTS(41S - 45S): N 6 WITH GUSTS UNSTABLE DURING THE

EVENING VIS MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): N 6/5 WITH GUSTS PROB OF MIST STARTING

EARLY MORNING IMPR PROB OF SH RAIN STARTING EARLY MORNING VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4 WITH GUSTS PROB OF MIST STARTING

EARLY MORNING IMPR PROB OF RAIN STARTING EVENING VIS MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 VEER SECTOR N 4 BY 14/0600 PROB OF

FOG MIST STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD

ISLAS MALVINAS COASTS: SECTOR W 5 WITH GUSTS VEER SW 5 WITH GUSTS BY 14/1200

PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 8/7 WITH GUSTS 7/6 BY 14/1200

DECR 6 WITH GUSTS BY 14/2100 PROB OF RAIN STORMS STARTING EVENING IMPR VIS POOR

MODERATE

E OF 50 - W OF 40W: SW 6/5 WITH GUSTS DECR 4/3 BY 14/1800 VIS MODERATE TO

GOOD

REST OF THE AREA: E 3 BACK NE 3/4 BY 14/0900 UNSTABLE VIS GOOD OCNL MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 7/6 GUST WITH 8 INTENSITY DECR 6/5

WITH GUSTS BY 14/2100 PROB OF RAIN STORMS STARTING EARLY MORNING IMPR PROB OF SH

STARTING EVENING VIS MODERATE OCNL POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY

DECR 5 WITH GUSTS BY 14/1500 PROB OF SH STARTING EVENING IMPR VIS MODERATE TO

GOOD

REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR N 5 WITH GUSTS BY 14/1200

UNSTABLE VIS MODERATE OCNL GOOD

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 6/5 WITH GUSTS VEER SECTOR W 5 WITH

GUSTS BY 14/0900 INCR 5/6 WITH GUSTS BY 14/1800 PROB OF ISOL RAIN SNOW FALL VIS

MODERATE GOOD

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY

PROB OF ISOL RAIN SNOW FALL STARTING EVENING IMPR VIS MODERATE OCNL POOR

REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY VEER SECTOR W 5 WITH GUSTS BY

14/0600 PROB OF ISOL RAIN SNOW FALL STARTING EARLY MORNING IMPR VIS MODERATE

OCNL POOR TO GOOD

DRAKE AREA (55S- 60S AND 60W- 67W): SW 5 WITH GUSTS VEER NW 4/3 BY 14/1500 PROB

OF ISOL RAIN TOWARDS THE END OF THE PERIOD PROB OF FOG MIST STARTING EARLY

MORNING IMPR VIS MODERATE OCNL GOOD

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 131200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 13, AUGUST 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1049/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 61S-64S 65W-55W FROM 13/2100 UNTIL 14/1800

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 992HPA 64S 55W MOV SE DPN

LOW 993HPA 67S 59W MOV E WKN

RIDGE 60S 48W 63S 46W 66S 42W MOV E INTSF

121400 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 6047S 05248W 21X12NM A81 5911S 05114W 28X25NM A76C 5248S 03055W 16X6NM 3.ICEBERGS SMALLER THAN 10NM D33C 6129S 05345W 9X5NM ICEBERG1 6132S 05303W 5X3NM ICEBERG2 6121S 05300W 5X3NM ICEBERG3 6044S 05201W 6X4NM 4.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 2026-08-14

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/7 WITH GUSTS VEER SECTOR W 5/4 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH 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 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 6/7 WITH GUSTS VEER SECTOR W 5/4 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : NE 4/3 VEER SECTOR S 4/2 BY 13/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE

MARGARITA BAY : NE 3/4 BACK SECTOR N 4/3 BY 13/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR

EREBUS Y TERROR GULF : SW 6/7 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 14/0300 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 W 5/6 WITH GUSTS VEER NW 4/5 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER NW 5 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SW 4/5 BY 14/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 64S: SECTOR W 3/4 WITH GUSTS VEER NW 4/5 BY 13/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 14/0300 PROB OF MIST VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK NE 4/5 BY 13/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE=