METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 191200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-06-19, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 270: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH

GUST BETWEEN 35S-40S AND 25W-50W

WARNING 269: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH

GUST BETWEEN 40S-50S AND 20W-45W FROM 20/0600

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 987HPA 52S 42W MOV E DPN EXTENDS CFNT AT 52S 42W 47S 45W 43S 50W MOV E

ASOCIATED WITH OFNT AT 52S 42W 58S 44W 52S 49W

HIGH 1029HPA 35S 32W MOV E NC

LOW 1005HPA 37S 53W MOV SE DPN EXP 47S 34W BY 20/1200 EXTENDS CFNT AT 37S 53W

36S 52W 34S 53W MOV SE EXP 35S 35W 40S 33W 47S 34W BY 20/1200

181400 UTC 1.SEA ICE LIMIT 6015S 02000W 5826S 02618W 5906S 03217W 5918S 03757W

5959S 04317W 6000S 04813W 6154S 05248W 6239S 05654W 6225S 06033W 6405S 06337W

6531S 06559W 6611S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5340S 03142W 16X7NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4925S 02347W 4X1NM ICEBERG2 6145S 05555W

2X1NM 4.ICEBERGS AREA A6102S 02000W 4500S 02000W 4300S 03400W 5900S 03500W

B5900S 03500W 5400S 03700W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W

6500S 06716W 6723S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-20

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR W 4/3 DRIZZLE DURING THE MORNING IMPR VIS MODERATE

TO GOOD

OUTER RIO DE LA PLATA: SECTOR W 4/3 DRIZZLE DURING THE MORNING IMPR VIS MODERATE

TO GOOD

URUGUAY SOUTH EAST COASTS: SECTOR W 4/3 DRIZZLE DURING THE MORNING IMPR VIS

MODERATE TO GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SW 5/4 VEER SECTOR W BY 20/0600 LOW PROB

OF SH DURING THE MORNING IMPR VIS MODERATE TO GOOD

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

GUSTS BY 20/0000 VIS GOOD OCNL MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SW 5 WITH GUSTS VEER SECTOR N WITH

GUSTS BY 20/0000 PROB OF ISOL RAIN STARTING NIGTH VIS GOOD OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SW 5/6 WITH GUSTS VEER SECTOR N WITH

GUSTS BY 19/1800 PROB OF ISOL RAIN STARTING NIGTH VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS PROB OF ISOL RAIN

STARTING NIGTH VIS MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5 WITH GUSTS PROB OF RAIN STARTING

NIGTH VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: SECTOR S 5 WITH GUSTS VEER SECTOR N BY 19/2100 TOWARDS

THE END OF THE PERIOD WORSENING VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) W OF 50W: SECTOR W 5/6 WITH GUSTS SH RAIN

STARTING NIGTH IMPR VIS MODERATE

W OF 35 - E OF 50W: SECTOR N 8 WITH GUSTS BACK SECTOR W 5 WITH GUSTS BY 19/2100

SH RAIN VIS POOR TO MODERATE

W OF 25 - E OF 35W: VRB 4 VEER SECTOR N 8 GUST WITH 9 INTENSITY BY 20/0000 PROB

OF RAIN STARTING EVENING VIS MODERATE TO POOR

REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SECTOR N BY 20/0000 VIS GOOD

OCNL MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR N 8 GUST WITH 9 INTENSITY VEER

SECTOR W BY 20/0900 PROB OF RAIN VIS POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50W: SW 6 WITH GUSTS VEER SECTOR

N BY 20/0600 LOW PROB OF ISOL RAIN VIS MODERATE

REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SW WITH GUSTS BY 19/1800 PROB OF

RAIN VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR N 5 WITH GUSTS BACK

SECTOR S BY 20/0300 PROB OF RAIN DURING THE EARLY MORNING IMPR VIS MODERATE OCNL

POOR

REST OF THE AREA: SECTOR W 5 WITH GUSTS BACK SECTOR S BY 19/1800 PROB OF ISOL

RAIN DURING THE EVENING IMPR VIS MODERATE OCNL POOR

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

SNOW MIXTURE STARTING NIGTH IMPR VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR S 5 WITH GUSTS VEER SECTOR W BY 20/0600 LOW PROB OF

RAIN DURING THE EVENING VIS MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/5 WITH GUSTS PROB OF RAIN FROM

20/0600 VIS GOOD OCNL MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 191200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 19, JUNE 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

807/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 62S-67S 90W-80W FROM 20/0300 UNTIL 20/1800

808/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 68S-73S 90W-70W UNTIL 19/1800

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 974HPA 68S 88W MOV E DPN

LOW 977HPA 62S 61W MOV E DPN

HIGH 999HPA 67S 55W MOV E INTSF

181400 UTC 1.SEA ICE LIMIT 6015S 02000W 5826S 02618W 5906S 03217W 5918S 03757W 5959S 04317W 6000S 04813W 6154S 05248W 6239S 05654W 6225S 06033W 6405S 06337W 6531S 06559W 6611S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5340S 03142W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4925S 02347W 4X1NM ICEBERG2 6145S 05555W 2X1NM 4.ICEBERGS AREA A6102S 02000W 4500S 02000W 4300S 03400W 5900S 03500W B5900S 03500W 5400S 03700W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-20

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 5/4 BACK NW 6 BY 19/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/5 VEER SECTOR W 4/5 BY 20/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 5/4 BACK NW 6 BY 19/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/5 VEER NW 5/7 WITH GUSTS BY 20/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 5/7 WITH GUSTS BY 20/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE

MARGARITA BAY : SECTOR E 3/4 BACK NE 5/7 WITH GUSTS BY 19/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : SECTOR W 3/4 VEER NW 4/5 BY 19/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 6/7 GUST WITH 8 INTENSITY BACK SECTOR W 5/4 WITH GUSTS BY 19/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 7/8 WITH GUSTS BACK NW 5 BY 19/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS BACK NE 5/4 BY 19/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: SE 4/3 VEER SECTOR S 4/3 BY 19/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 VEER SECTOR W 4/5 BY 19/1800 PROB OF MIST VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SW 5/4 BY 20/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD=