METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 281200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2025-11-28, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 481: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 29/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 1026HPA 44S 61W MOV NE WKN EXP 42S 56W BY 29/1200

LOW 1007HPA 35S 54W MOV NE WKN EXTENDS CFNT AT 37S 54W 35S 55W 33S 58W MOV NE

LOW 999HPA 46S 36W MOV SE DPN EXTENDS CFNT AT 46S 36W 44S 38W 42S 42W MOV SE

LOW 994HPA 51S 36W MOV E NC EXTENDS CFNT AT 51S 36W 49S 43W 48S 49W MOV E

CFNT AT 59S 62W 5S 61W 52S 65W MOV NE

261400 UTC 1.SEA ICE LIMIT 6924S 02000W 6538S 05335W 6248S 04454W 6225S 03158W

6209S 02048W 6310S 05921W 6421S 06351W 5700S 03143W 5815S 04942W 5842S 05257W

6028S 05527W 6156S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5227S 04030W 32X24NM

A74A 5430S 02626W 27X17NM A77 5330S 04012W 27X4NM A76C 5930S 03836W 16X7NM B15AB

5805S 04622W 11X4NM A23G 5317S 03824W 11X3NM 3.ICEBERGS SMALLER THAN 10NM

ICEBERG1 5140S 03442W 3X1NM ICEBERG2 5535S 04102W 9X2NM ICEBERG3 5124S 03440W

3X1NM ICEBERG4 5249S 03900W 7X3NM ICEBERG5 4859S 02233W 4X2NM ICEBERG6 5208S

03755W 2X1NM ICEBERG7 5049S 03622W 6X2NM ICEBERG8 5208S 03843W 3X3NM ICEBERG9

5230S 04142W 2X2NM ICEBERG10 5327S 03859W 3X3NM ICEBERG11 5327S 03859W 2X1NM

ICEBERG12 5122S 03913W 4X2NM ICEBERG13 5020S 02345W 2X1NM ICEBERG14 5304S 03734W

3X1NM ICEBERG15 5255S 04013W 4X1NM ICEBERG16 5242S 04152W 2X1NM ICEBERG17 4948S

03825W 2X1NM ICEBERG18 5002S 03834W 2X1NM ICEBERG19 5239S 04148W 3X1NM ICEBERG20

5349S 04059W 2X1NM ICEBERG21 5236S 04146W 2X1NM ICEBERG22 5244S 04155W 2X2NM

ICEBERG23 5053S 02144W 3X1NM ICEBERG24 4939S 02746W 3X1NM ICEBERG25 5205S 04118W

2X1NM ICEBERG26 5227S 04139W 2X1NM ICEBERG27 5549S 04131W 4X1NM ICEBERG28 5044S

03847W 9X6NM ICEBERG29 5129S 03645W 8X2NM 4.ICEBERGS AREA A 5930S 02000W 4500S

02000W 4500S 03500W 5810S 03525W B 5810S 03525W 4700S 03440W 4700S 04600W 5820S

05100W C 5820S 05100W 5710S 05200W 6350S 06716W 6638S 05700W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-11-29

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3/4 BACK 6/3 WITH GUSTS ISOL RAIN STORMS TOWARDS

THE END OF THE PERIOD VIS GOOD TO MODERATE

OUTER RIO DE LA PLATA: SECTOR S 3/4 BACK 6/3 WITH GUSTS ISOL RAIN STORMS TOWARDS

THE END OF THE PERIOD VIS GOOD TO MODERATE

URUGUAY SOUTH EAST COASTS: SW 5/6 WITH GUSTS BACK SE 6/3 WITH GUSTS PROB OF ISOL

RAIN STORMS VIS MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 5/6 WITH GUSTS BACK SECTOR E 5/3

PROB OF ISOL RAIN DURING THE MORNING VIS MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SE 5 BACK NE 4/3 PROB OF ISOL SH RAIN

TOWARDS THE END OF THE PERIOD VIS MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SE 3/4 BACK SECTOR N 4/5 WITH GUSTS

PROB OF SH STARTING NIGTH VIS MODERATE OCNL POOR

GOLFO DE SAN JORGE COASTS(45S - 48S): NW 4/5 WITH GUSTS BACK SECTOR W 4 PROB

OF SH STARTING EARLY MORNING VIS MODERATE OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 6 WITH GUSTS BACK SECTOR S 5/4

WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6 GUST WITH 8 INTENSITY PROB OF ISOL

RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: SECTOR W 8 WITH GUSTS BACK SW 6/4 WITH GUSTS PROB OF ISOL

RAIN AND SNOW MIXTURE VIS POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: NW 4 BACK SECTOR S 4/5 PROB OF ISOL

SH STORMS STARTING EVENING VIS MODERATE OCNL POOR

E OF 45W: NW 4 BACK W 3 PROB OF ISOL SH RAIN VIS MODERATE OCNL POOR

REST OF THE AREA: NW 4 BACK SECTOR S 6/4 WITH GUSTS PROB OF ISOL SH STORMS VIS

MODERATE OCNL POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 6 GUST WITH 8

INTENSITY BACK SW 5/4 WITH GUSTS PROB OF RAIN VIS POOR TO MODERATE

W OF 30 - N OF 45S: NW 6 WITH GUSTS BACK SECTOR S 5/3 BY 28/2100 PROB OF RAIN

VIS POOR TO MODERATE

REST OF THE AREA: W 4/5 TEMPO BACK SW 4/6 PROB OF ISOL RAIN AND SNOW MIXTURE

VIS MODERATE OCNL POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: S 6/3 WITH GUSTS PROB OF

ISOL RAIN STORMS TOWARDS THE END OF THE PERIOD IMPR VIS MODERATE OCNL POOR TO

GOOD

REST OF THE AREA: S 6/3 WITH GUSTS VEER W 5/6 WITH GUSTS PROB OF ISOL RAIN

STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 4/3 VEER W 3/5 PROB OF ISOL RAIN AND

SNOW MIXTURE VIS MODERATE OCNL POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 5/3 WITH GUSTS VEER NW 5/6

WITH GUSTS BACK W 6 WITH GUSTS PROB OF SH OF RAIN SH OF SNOW VIS MODERATE TO

POOR

REST OF THE AREA: SW 4/3 VEER SECTOR W 6 WITH GUSTS BACK SE 6 WITH GUSTS PROB

OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): W 8 WITH GUSTS BACK SECTOR S 6/4 WITH GUSTS

PROB OF RAIN AND SNOW MIXTURE VIS POOR TO MODERATE

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 281200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 28, NOVEMBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1381/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W IN 60S-65S 70W-90W UNTIL 28/1200

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 989HPA 65S 80W MOV E WKN

LOW 990HPA 61S 65W MOV E WKN

261400 UTC 1.SEA ICE LIMIT 6924S 02000W 6538S 05335W 6248S 04454W 6225S 03158W 6209S 02048W 6310S 05921W 6421S 06351W 5700S 03143W 5815S 04942W 5842S 05257W 6028S 05527W 6156S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5227S 04030W 32X24NM A74A 5430S 02626W 27X17NM A77 5330S 04012W 27X4NM A76C 5930S 03836W 16X7NM B15AB 5805S 04622W 11X4NM A23G 5317S 03824W 11X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5140S 03442W 3X1NM ICEBERG2 5535S 04102W 9X2NM ICEBERG3 5124S 03440W 3X1NM ICEBERG4 5249S 03900W 7X3NM ICEBERG5 4859S 02233W 4X2NM ICEBERG6 5208S 03755W 2X1NM ICEBERG7 5049S 03622W 6X2NM ICEBERG8 5208S 03843W 3X3NM ICEBERG9 5230S 04142W 2X2NM ICEBERG10 5327S 03859W 3X3NM ICEBERG11 5327S 03859W 2X1NM ICEBERG12 5122S 03913W 4X2NM ICEBERG13 5020S 02345W 2X1NM ICEBERG14 5304S 03734W 3X1NM ICEBERG15 5255S 04013W 4X1NM ICEBERG16 5242S 04152W 2X1NM ICEBERG17 4948S 03825W 2X1NM ICEBERG18 5002S 03834W 2X1NM ICEBERG19 5239S 04148W 3X1NM ICEBERG20 5349S 04059W 2X1NM ICEBERG21 5236S 04146W 2X1NM ICEBERG22 5244S 04155W 2X2NM ICEBERG23 5053S 02144W 3X1NM ICEBERG24 4939S 02746W 3X1NM ICEBERG25 5205S 04118W 2X1NM ICEBERG26 5227S 04139W 2X1NM ICEBERG27 5549S 04131W 4X1NM ICEBERG28 5044S 03847W 9X6NM ICEBERG29 5129S 03645W 8X2NM 4.ICEBERGS AREA A 5930S 02000W 4500S 02000W 4500S 03500W 5810S 03525W B 5810S 03525W 4700S 03440W 4700S 04600W 5820S 05100W C 5820S 05100W 5710S 05200W 6350S 06716W 6638S 05700W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-11-29

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 BACK SECTOR E BY 29/0000 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR E 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR E 3/4 PROB OF MIST VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR E 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : SECTOR W 3/4 TEMPO VEER NE BY 29/0000 VIS GOOD

MARGARITA BAY : SECTOR W 3/4 VEER NE BY 29/0000 VIS GOOD

EREBUS Y TERROR GULF : SW 3/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES TOWARDS NIGTH WORSENING VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR W 8 DECR 4 BY 28/2100 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 3/4 VEER SECTOR S BY 28/1800 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR S 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR=