METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 250000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-05-25, 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 ON 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 ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

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

PART 2 GENERAL SYNOPSIS AT 21:00UTC

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

LOW 972HPA 54S 20W MOV E NC EXTENDS OFNT AT 52S 20W 54S 23W 57S 22W MOV E

LOW 980HPA 59S 32W MOV NE NC EXP 50S 20W BY 26/0000 EXTENDS CFNT AT 59S 32W 55S

34W 52S 44W MOV NE

HIGH 1024HPA 35S 48W MOV E NC EXP 35S 43W BY 26/0000

HIGH 1006HPA 55S 58W MOV NE WKN EXP 47S 40W BY 26/0000

TROUGH 48S 59W 44S 62W 40S 67W MOV NE WKN

CFNT AT 60S 69W 56S 67W 54S 69W MOV E NC

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

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR N 3 VEER VRB BY 25/1200 PROB OF MIST FOG PATCHES

LOW PROB OF DRIZZLE VIS MODERATE OCNL POOR

OUTER RIO DE LA PLATA: SECTOR N 3 VEER VRB BY 25/1200 PROB OF MIST FOG PATCHES

LOW PROB OF DRIZZLE VIS MODERATE OCNL POOR

URUGUAY SOUTH EAST COASTS: SECTOR N 3 VEER VRB BY 25/1200 PROB OF MIST FOG

PATCHES LOW PROB OF DRIZZLE VIS MODERATE OCNL POOR

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/3 VEER VRB 3 BY 25/1800 PROB

OF MIST FOG PATCHES LOW PROB OF DRIZZLE VIS MODERATE OCNL POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/3 BACK SECTOR W 3 PROB OF

MIST FOG PATCHES DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4/3 BACK SECTOR S 3 BY 25/1500

VIS GOOD

GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 VEER SECTOR N BY 25/1500 VIS

GOOD

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 3 VEER VRB BY 25/1200 PROB OF MIST

FOG PATCHES DISSIPATING DURING THE MORNING VIS MODERATE OCNL POOR TO GOOD

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 WITH GUSTS VEER VRB BY 25/1200

INCR W 4 BY 25/2100 PROB OF ISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS GOOD

OCNL MODERATE

ISLAS MALVINAS COASTS: VRB 3 VEER SECTOR W BY 25/1800 PROB OF MIST FOG PATCHES

PROB OFISOL DRIZZLE RAIN VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 4/5 WITH GUSTS BACK SW 4

BY 25/2100 PROB OF ISOL DRIZZLE VIS MODERATE

E OF 45W: SECTOR S 3 VEER VRB BY 25/2100 PROB OF ISOL DRIZZLE VIS MODERATE OCNL

GOOD

REST OF THE AREA: VRB 3 VEER NW 3/4 BY 25/1200 PROB OF SH RAIN SPELLS OF GOOD

WEATHER PROB OF FOG MIST VIS MODERATE

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

SW 8/7 WITH GUSTS BY 25/1500 PROB OF SH RAIN VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY BACK SW 5/4 WITH GUSTS BY

25/1800 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 5/4 WITH GUSTS LOW

PROB OF ISOL DRIZZLE VIS MODERATE OCNL GOOD

REST OF THE AREA: SECTOR W 5/4 DECR VRB 3 BY 25/1800 PROB OF ISOL DRIZZLE RAIN

SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

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

WITH 8 INTENSITY BY 25/2100 PROB OF SH OF SNOW SNOW FALL VIS POOR OCNL

MODERATE

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

25/1800 PROB OF ISOL SNOW FALL IMPR VIS POOR TO MODERATE

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

SECTOR W 4 PROB OF ISOL DRIZZLE RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE

OCNL GOOD

REST OF THE AREA: SECTOR S 3 VEER SECTOR W 4/5 WITH GUSTS BY 25/1200 LOW PROB

OF ISOL SNOW FALL STARTING NOON VIS GOOD TO MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): NW 5 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS

BY 25/1200 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

OCNL POOR

-----------------------------------------------------------------

NNNN=


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 250000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 25, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

712/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 64S-72S 90W-72W UNTIL 25/1500

713/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 61S-64S 90W-80W FROM 25/0600 UNTIL 25/1500

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 980HPA 64S 78W MOV E DPN

HIGH 1002HPA 60S 52W MOV E WKN EXTENDS RIDGE AT 60S 52W 64S 53W 69S 55W MOV E

LOW 970HPA 67S 88W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-26

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 4/5 BACK NW 7 GUST WITH 8 INTENSITY BY 25/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 VEER NW 5/6 BY 25/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: NE 4/5 BACK NW 7 GUST WITH 8 INTENSITY BY 25/0600 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 W 4/3 VEER NW 5/6 BY 25/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

GERLACHE STRAIT : NE 4/5 INCR NE 6/7 WITH GUSTS BY 25/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

MARGARITA BAY : NE 3/4 INCR NE 5/7 WITH GUSTS BY 25/1500 PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : NW 4/5 INCR NW 6/7 WITH GUSTS BY 25/1200 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: NW 4/5 INCR SECTOR W 5/7 GUST WITH 8 INTENSITY BY 25/0600 PROB OF MIST PROB OFINTERMITTENT 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 SECTOR N 6/5 BY 25/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 7/8 WITH GUSTS VEER SECTOR E 8 WITH GUSTS BY 25/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SW 5/6 VEER NW 5/4 WITH GUSTS BY 25/1200 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 VEER SECTOR W 5/6 BY 25/0900 PROB OF MIST IMPR TOWARDS MORNING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 BACK NE 4/3 BY 25/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR=