METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 261200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 26, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

717/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 61S-72S 90W-80W UNTIL 27/1800

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 985HPA 65S 49W MOV E DPN

HIGH 992HPA 71S 48W MOV E INTSF

RIDGE 60S 75W 64S 75W 72S 75W MOV E INTSF

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

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-27

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/7 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 26/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY BACK SW 5/6 BY 26/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/7 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 26/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY BACK SW 5/6 BY 26/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SW 3/4 BACK SE 3/4 BY 26/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MARGARITA BAY : NE 3/4 INCR NE 5/7 WITH GUSTS BY 27/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE

EREBUS Y TERROR GULF : SW 4/5 INCR SW 7 WITH GUSTS BY 26/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 7/8 GUST WITH 9 INTENSITY INCR NW 9 BY 27/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER NW 6/7 WITH GUSTS BY 26/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 BACK SECTOR N 7/8 WITH GUSTS BY 26/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO VERY POOR

NORTHERN WEDDELL SEA N OF 64S: NW 5/6 WITH GUSTS BACK SW 5/4 BY 27/0000 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 4/3 VEER SE 3/4 BY 26/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 VEER SE 4/5 BY 26/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 260000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-05-26, 00:00 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 E

WITH GUST BETWEEN 40S-55S AND 20W-30W UNTIL 26/0900

PART 2 GENERAL SYNOPSIS AT 21:00UTC

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

LOW 1015HPA 46S 48W MOV E EXP 47S 42W BY 26/1800 EXTENDS CFNT AT RINCON BAHIA

BLANCA COASTS 44S 50W 42S 53W MOV E

HIGH 1019HPA 50S 43W MOV NE WKN EXTENDS RIDGE AT 53S 40W 56S 39W 59S 37W

CFNT AT 59S 45W 57S 50W 55S 54W MOV E

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-27

COASTAL AREAS:

INNER RIO DE LA PLATA: VRB 3 FOG STARTING EARLY MORNING VIS MODERATE TO POOR

OUTER RIO DE LA PLATA: VRB 3 FOG STARTING EARLY MORNING VIS MODERATE TO POOR

URUGUAY SOUTH EAST COASTS: SECTOR S 3 PROB OF MIST FOG PATCHES DRIZZLE VIS

MODERATE OCNL POOR

MAR DEL PLATA COASTS(3617S - 3830S): NW 3 VEER VRB 3 BY 26/1800 PROB OF MIST

FOG PATCHES VIS MODERATE OCNL POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 3 VEER VRB 3 BY 26/1500 PROB OF

MIST FOG PATCHES VIS MODERATE OCNL POOR

PENINSULA DE VALDES COASTS(41S - 45S): VRB 3 VEER SECTOR N 4 BY 26/1500 PROB

OF MIST FOG PATCHES VIS MODERATE OCNL POOR

GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 VEER SECTOR N 4 BY 26/0600 PROB OF

MIST FOG PATCHES PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL

POOR

SOUTH PATAGONIA COASTS(48S - 54S): NW 3 VEER VRB 3 BY 26/1200 PROB OF DRIZZLE

RAIN STARTING EARLY MORNING VIS MODERATE TO POOR

FIN DEL MUNDO COASTS(54S - 55S): SW 4/5 WITH GUSTS PROB OF ISOL RAIN SPELLS OF

GOOD WEATHER VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR W 4 PROB OF DRIZZLE STARTING EARLY MORNING VIS

MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SW 6/5 WITH GUSTS VEER VRB 3 BY

26/1800 PROB OF SH SPELLS OF GOOD WEATHER VIS MODERATE

W OF 30 - E OF 50W: SECTOR W 3/4 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

REST OF THE AREA: VRB 3 PROB OF MIST FOG PATCHES VIS MODERATE OCNL POOR

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

SW 5 BY 26/1500 PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE

W OF 30 - N OF 45S: SECTOR S 4 VEER SECTOR W 4 PROB OF ISOL RAIN VIS MODERATE

REST OF THE AREA: SECTOR S 6 WITH GUSTS DECR VRB 3 BY 26/0900 PROB OF ISOL RAIN

STARTING EVENING VIS MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 3/4 PROB OF MIST

DRIZZLE VIS MODERATE

REST OF THE AREA: VRB 3 VEER SECTOR W 4/5 WITH GUSTS BY 26/1500 PROB OF ISOL

RAIN VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 8/7 WITH GUSTS VEER W 6

WITH GUSTS BY 26/1500 PROB OF SNOW FALL VIS POOR

REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF SNOW FALL VIS MODERATE TO

POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 5/6 WITH GUSTS PROB

OF SNOW FALL VIS MODERATE TO POOR

REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF SH RAIN AND SNOW

MIXTURE VIS MODERATE TO VERY POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6 GUST WITH 8 INTENSITY PROB OF SH

RAIN AND SNOW MIXTURE VIS MODERATE TO POOR

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