METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 180000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-06-18, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 268: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR N

WITH GUST BETWEEN 40S-50S AND 50W-60W FROM 18/0600

WARNING 265: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR N WITH

GUST IN PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS UNTIL 18/1200

WARNING 264: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR S WITH

GUST BETWEEN 34S-45S AND 30W-40W UNTIL 18/1800

PART 2 GENERAL SYNOPSIS AT 21:00UTC

HIGH 1026HPA 36S 54W MOV E INTSF EXP 36S 39W BY 18/2100

LOW 997HPA 52S 69W MOV NE DPN EXP 51S 54W BY 18/2100 EXTENDS CFNT AT 52S 69W 49S

68W MOV NE

LOW 1002HPA 43S 38W MOV NE WKN EXTENDS OFNT AT

LOW 987HPA 46S 23W MOV SE EXTENDS CFNT AT 46S 23W 39S 29W 32S 38W MOV E

171400 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 5344S 03145W 16X7NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4923S 02358W 4X1NM ICEBERG2 6145S 05555W

2X1NM ICEBERG3 6043S 05211W 2X1NM 4.ICEBERGS AREA A6102S 02000W 4400S 02000W

4300S 03400W 5900S 03500W B5900S 03500W 5400S 03800W 6000S 05500W 6212S 05500W

C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-19

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR N 3/4 PROB OF RAIN STARTING EVENING VIS GOOD TO

MODERATE

OUTER RIO DE LA PLATA: SECTOR N 4/5 PROB OF ISOL RAIN TOWARDS THE END OF THE

PERIOD VIS GOOD TO MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR N 4/6 WITH GUSTS VIS GOOD TO MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/6 WITH GUSTS PROB OF RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6/7 WITH GUSTS PROB OF RAIN

STARTING EARLY MORNING VIS MODERATE TO POOR

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 8/7 WITH GUSTS BACK SW 6/5

WITH GUSTS BY 18/1500 PROB OF SH IMPR STARTING EARLY MORNING VIS VERY POOR TO

MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 8/7 WITH GUSTS BACK SW 6/5 WITH

GUSTS BY 18/1500 VIS VERY POOR TO MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS BACK SW 6 WITH

GUSTS BY 18/1200 PROB OF ISOL RAIN VIS MODERATE OCNL POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5 BACK SECTOR S 5 BY 18/1200 PROB OF

SH RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: SECTOR N 5/6 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 18/1500

PROB OF SH OF RAIN NXT RAIN VIS POOR OCNL MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 6 WITH GUSTS BACK SW 6 WITH

GUSTS PROB OF HVY RAIN NXT RAIN VIS POOR

W OF 30 - E OF 40W: SECTOR S 6/8 WITH GUSTS PROB OF RAIN VIS VERY POOR TO

POOR

REST OF THE AREA: SECTOR S 7/6 WITH GUSTS BACK SECTOR N 6 WITH GUSTS BY 18/1200

PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS POOR TO MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 7 WITH GUSTS BACK

SW 6/7 WITH GUSTS BY 18/0300 PROB OF RAIN SNOW FALL VIS POOR

N OF 45 - W OF 30W: SECTOR S 8/7 WITH GUSTS PROB OF RAIN VIS VERY POOR TO

POOR

REST OF THE AREA: SW 7/5 WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 7/6 WITH GUSTS VEER NW

6/7 GUST WITH 8 INTENSITY BY 18/1200 PROB OF ISOL RAIN NXT RAIN VIS POOR

REST OF THE AREA: SECTOR N 6/8 WITH GUSTS PROB OF RAIN STARTING EARLY MORNING

VIS MODERATE TO POOR OCNL VERY POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 7 WITH GUSTS PROB OF

SNOW FALL VIS VERY POOR

REST OF THE AREA: SW 5/6 WITH GUSTS PROB OF SNOW FALL VIS POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6 WITH GUSTS VEER VRB

5 BY 18/1500 PROB OF ISOL RAIN NXT HVY RAIN VIS POOR OCNL MODERATE

REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR

DRAKE AREA (55S- 60S AND 60W- 67W): NW 4 BACK SW 5 PROB OF SH RAIN AND SNOW

MIXTURE VIS MODERATE OCNL POOR

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 171200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 17, JUNE 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 982HPA 69S 78W MOV E WKN

LOW 993HPA 621S 55W MOV E WKN

HIGH 995HPA 67S 55W MOV E WKN

161400 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 5344S 03145W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4920S 02418W 4X1NM ICEBERG2 6156S 05537W 2X1NM ICEBERG3 6043S 05211W 2X1NM ICEBERG4 6200S 05543W 2X1NM 4.ICEBERGS AREA A6102S 02000W 4400S 02000W 4300S 03400W 5900S 03500W B5900S 03500W 5400S 03800W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-18

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/4 BACK SW 4/3 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR W 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/4 BACK SW 4/3 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR W 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/5 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR

MARGARITA BAY : NE 3/4 INCR NE 5 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE NOON VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : NE 4/5 INCR NE 6 BY 17/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/3 BACK SW 3/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 BACK SW 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 5/6 WITH GUSTS VEER SE 5/4 BY 17/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: SW 5/7 WITH GUSTS BACK SECTOR S 5/4 BY 18/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO VERY POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 VEER SECTOR W 4 BY 17/2100 PROB OF MIST VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK SECTOR E 4/3 BY 18/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE=