METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 251200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-05-25, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 231: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S

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

WARNING 226: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST BETWEEN 40S-50S AND 20W-30W

PART 2 GENERAL SYNOPSIS AT 09:00UTC

251400 UTC 1.SEA ICE LIMIT 6529S 02000W 6349S 02618W 5935S 03218W 6025S 03757W

5956S 04316W 6023S 04814W 6013S 05247W 6201S 05654W 6340S 06033W 6412S 06336W

6532S 06559W 6642S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5740S 03412W 16X7NM

3.ICEBERGS SMALLER THAN ICEBERG1 4905S 02659W 5X1NM 4.ICEBERGS AREA A6537S

02000W 4500S 02000W 4500S 02400S 4800S 03300W 5800S 03300W B5800S 03300W 5100S

03300W 5100S 03500W 5900S 05200W 6037S 05200W C6037S 05200W 6000S 05200W 6000S

05700W 6600S 06716W 6644S 06716W

HIGH 1024HPA 35S 46W MOV SE INTSF EXP 36S 40W BY 26/1200

LOW 1010HPA 48S 53W MOV SE WKN EXP 47S 45W BY 26/1200 EXTENDS CFNT AT 48S 53W

44S 58W 40S 64W EXP 47S 45W 43S 50W 40S 56W BY 26/1200

HIGH 1012HPA 54S 52W MOV NE EXP 44S 30W BY 26/1200 EXTENDS RIDGE AT 54S 52W 56S

46W 60S 46W

CFNT AT 51S 66W 58S 59W 60S 58W MOV E WKN

LOW 981HPA 55S 27W MOV E DPN EXTENDS CFNT AT 55S 27W 48S 27W 47S 41W MOV E

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-26

COASTAL AREAS:

INNER RIO DE LA PLATA: VRB 3 VEER SECTOR S PROB OF MIST FOG PATCHES DURING THE

MORNING TEMPORARILY DISSIPATING VIS MODERATE OCNL POOR

OUTER RIO DE LA PLATA: VRB 3 VEER SECTOR S PROB OF MIST FOG PATCHES DURING THE

MORNING TEMPORARILY DISSIPATING VIS MODERATE OCNL POOR

URUGUAY SOUTH EAST COASTS: SECTOR N 3/4 BACK SECTOR S PROB OF MIST DURING THE

MORNING TEMPORARILY DISSIPATING DRIZZLE DURING THE EARLY MORNING VIS GOOD OCNL

MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 BACK SECTOR W PROB OF MIST FOG

PATCHES DURING THE MORNING TEMPORARILY DISSIPATING VIS MODERATE OCNL POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4 BACK SECTOR W VIS GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4 BACK SECTOR N VIS GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4 BACK VRB 3 BACK SECTOR N 4

PROB OF MIST FOG PATCHES DISSIPATING VIS GOOD OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S): VRB 3/4 PROB OF FOG PATCHES DISSIPATING

PROB OF DRIZZLE TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 BACK SECTOR E PROB OF ISOL DRIZZLE

FOG PATCHES SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: VRB 3/4 VEER SECTOR W PROB OF MIST FOG PATCHES SPELLS OF

GOOD WEATHER VIS MODERATE OCNL POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 6/4 WITH GUSTS BACK SECTOR

S PROB OF SH SPELLS OF GOOD WEATHER VIS POOR TO MODERATE

REST OF THE AREA: VRB 3/4 PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS GOOD

OCNL MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 8 WITH GUSTS BACK

SECTOR S 7/5 WITH GUSTS PROB OF SH OF RAIN SH OF SNOW IMPR TOWARDS THE END OF

THE PERIOD VIS VERY POOR TO GOOD

N OF 45 - W OF 30W: SECTOR W 7/5 WITH GUSTS BACK VRB 4 PROB OF ISOL SH RAIN

SPELLS OF GOOD WEATHER VIS POOR TO GOOD OCNL MODERATE

REST OF THE AREA: SECTOR S 6/4 WITH GUSTS BACK VRB PROB OF ISOL RAIN SPELLS OF

GOOD WEATHER VIS POOR TO GOOD OCNL MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 6/4 WITH GUSTS LOW

PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

REST OF THE AREA: VRB 4 LOW PROB OF ISOL RAIN VIS GOOD

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR S 8/7 WITH GUSTS PROB

OF SH OF SNOW SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR

REST OF THE AREA: SECTOR S 8/6 WITH GUSTS VEER SECTOR W PROB OF SH OF SNOW SNOW

FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: VRB 4 VEER SECTOR W 5 PROB OF

ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

REST OF THE AREA: SECTOR W 4/5 WITH GUSTS PROB OF ISOL SNOW FALL SPELLS OF GOOD

WEATHER VIS GOOD OCNL MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS PROB OF SH OF SNOW

IMPR VIS MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 251200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 25, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

714/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 66S-72S 82W-70W UNTIL 25/1800

715/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 61S-64S 90W-80W UNTIL 25/1500

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 975HPA 68S 80W MOV E DPN

RIDGE 60S 45W 64S 48W 72S 53W MOV E WKN

LOW 972HPA 67S 87W MOV E WKN

241400 UTC 1.SEA ICE LIMIT 6529S 02000W 6349S 02618W 5935S 03218W 6025S 03757W 5956S 04316W 6023S 04814W 6013S 05247W 6201S 05654W 6340S 06033W 6412S 06336W 6532S 06559W 6642S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5740S 03412W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4853S 02631W 5X1NM 4.ICEBERGS AREA A6537S 02000W 4500S 02000W 4500S 02400S 4800S 03300W 5800S 03300W B5800S 03300W 5100S 03300W 5100S 03500W 5900S 05200W 6037S 05200W C6037S 05200W 6000S 05200W 6000S 05700W 6600S 06716W 6644S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-26

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 4/5 BACK SECTOR W 7 WITH GUSTS BY 26/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT : SECTOR N 4/5 BACK NW 5/6 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 BACK SECTOR W 7 WITH GUSTS BY 26/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 4/5 BACK NW 5/6 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD

GERLACHE STRAIT : NE 5/7 DECR NE 5/4 BY 25/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE

MARGARITA BAY : NE 5/7 WITH GUSTS DECR NE 5/4 WITH GUSTS BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

EREBUS Y TERROR GULF : NW 5/7 WITH GUSTS BACK SW 4/3 BY 25/1800 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 6/7 GUST WITH 8 INTENSITY VEER NW 5/6 WITH GUSTS BY 26/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 7 WITH GUSTS BACK SECTOR N 6/5 BY 25/1500 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS DECR SECTOR E 5 BY 25/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 64S: SW 5/4 VEER SECTOR N 5/6 WITH GUSTS BY 25/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 VEER SECTOR N 4/5 BY 25/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 BACK NE 4/3 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO POOR=