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WWST02 SABM 010000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2025-04-1, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 134: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 WITH GUST

BETWEEN 45S-55S 50W-60W FROM 01/1200

WARNING 133: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SE WITH

GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) FROM 01/1500

WARNING 131: LOW 966HPA AT 57S 43W MOV E INTENSIFYING PROVOKES WINDS FORCE 9

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

50S-60S AND 40W-50W





PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 1012HPA 37S 25W MOV SE WKN EXTENDS CFNT AT 37S 24W 34S 23W 30S 28W MOV E

LOW 1001HPA 42S 43W MOV SE NC EXP 50S 20W BY 01/2100 EXTENDS CFNT AT 42S 43W 37S

46W 35S 47W MOV E

LOW 966HPA 57S 43W MOV E INTSF EXTENDS CFNT AT 59S 37W 55S 33W 45S 41W MOV E

ASOCIATED WITH OFNT AT 59S 37W 59S 46W 54S 53W

HIGH 1022HPA 37S 60W MOV E NC EXP 40S 44W BY 02/0000

311400 UTC 1.SEA ICE LIMIT 7139S 02000W 7032S 02622W 6817S 02832W 6547S 03052W

6510S 03730W 6527S 04311W 6425S 04417W 6203S 04828W 6136S 05339W 6300S 05912W

6405S 06418W 6547S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5445S 03856W 40X32NM

A23B 5635S 03729W 10X2NM A76C 6157S 05217W 16X7NM A74A 6253S 05340W 30X18NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6137S 05427W 9X3NM ICEBERG2 5525S 03545W

2X1NM ICEBERG3 6227S 04627W 8X3NM ICEBERG4 6215S 04236W 3X1NM ICEBERG5 6138S

05330W 2X1NM ICEBERG6 5650S 03535W 7X1NM ICEBERG7 6239S 04236W 2X1NM ICEBERG8

5632S 03451W 3X1NM ICEBERG9 6227S 05512W 2X1NM ICEBERG10 5639S 03724W 4X1NM

ICEBERG11 5505S 03743W 3X1NM ICEBERG12 5455S 03754W 2X1NM ICEBERG13 5440S 03819W

2X1NM 4.ICEBERGS AREA A: 7250S 02000W 4300S 02000W 4300S 02300W 7442S 02300W B:

7442S 02300W 5300S 02300W 5000S 03200W 5400S 04100W 6612S 04100W C: 6612S 04100W

6000S 04100W 5600S 05000W 6302S 06716W 6638S 06716W





PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-4-2

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 5/4 WITH GUSTS BACK SECTOR E 4/3 BY 1/1500 LOW

PROB OF SH DURING THE EARLY MORNING VIS GOOD OCNL MODERATE

OUTER RIO DE LA PLATA: SECTOR S 6/5 WITH GUSTS BACK SECTOR E 4 BY 1/1500 LOW

PROB OF SH DURING THE EARLY MORNING LOW PROB OF DRIZZLE STARTING NIGTH VIS

MODERATE OCNL GOOD

URUGUAY SOUTH EAST COASTS: SECTOR S 6/5 WITH GUSTS BACK SECTOR E 5 WITH GUSTS

PROB OF SH SPELLS OF GOOD WEATHER VIS MODERATE

MAR DEL PLATA COASTS(36�17S - 38�30S): SECTOR S 5/4 BACK SECTOR N 4/5 BY 1/1500

LOW PROB OF FOG MIST VIS GOOD OCNL MODERATE

RINCON BAHIA BLANCA COASTS(38�30S - 41�S): VRB 3 VEER SECTOR N 4/5 BY 1/1200 LOW

PROB OF MIST FOG PATCHES DURING THE MORNING VIS GOOD OCNL MODERATE

PENINSULA DE VALDES COASTS(41�S - 45�S): NW 6/7 GUST WITH 8 INTENSITY VIS GOOD

TO MODERATE

GOLFO DE SAN JORGE COASTS(45�S - 48�S): NW 6/7 GUST WITH 8 INTENSITY BACK SW 6

GUST WITH 8 INTENSITY BY 1/2100 WORSENING WITH PROB OF RAIN SH TOWARDS THE END

OF THE PERIOD VIS MODERATE OCNL POOR

SOUTH PATAGONIA COASTS(48�S - 54�S): NW 6/7 GUST WITH 8 INTENSITY BACK SECTOR S

6/7 GUST WITH 8 INTENSITY BY 1/1800 PROB OF RAIN SH NEXT RAIN AND SNOW MIXTURE

VIS POOR OCNL MODERATE

FIN DEL MUNDO COASTS(54�S - 55�S): SECTOR N 5/6 GUST WITH 8 INTENSITY BACK

SECTOR W 6 GUST WITH 8 INTENSITY BY 1/0900 BACK SECTOR S 7/8 WITH GUSTS BY

1/2100 PROB OF SH RAIN NXT RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR

ISLAS MALVINAS COASTS: SECTOR W 6 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY

1/0900 PROB OF DRIZZLE RAIN VIS MODERATE OCNL POOR



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 4 BACK SECTOR S 5/6 WITH

GUSTS BY 1/2100 WORSENING WITH PROB OF SH RAIN TOWARDS THE END OF THE PERIOD VIS

GOOD TO MODERATE

 E OF 45W: NW 6 GUST WITH 8 INTENSITY BACK SECTOR S 6/5 WITH GUSTS BY 1/0600

BACK SECTOR E 5 BY 1/2100 PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD

VIS POOR TO MODERATE

 REST OF THE AREA: SECTOR S 6 WITH GUSTS BACK SECTOR E 5 BY 1/1200 BACK SECTOR N

5/4 BY 1/2100 PROB OF SH IMPR VIS MODERATE TO GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 4/5 BACK SECTOR

S 6 WITH GUSTS BY 1/1800 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE

 E OF 30 - S OF 45S: NW 6/5 WITH GUSTS BACK SW 7 GUST WITH 8 INTENSITY BY 1/1800

PROB OF SH RAIN VIS MODERATE OCNL POOR

 REST OF THE AREA: NW 5 BACK SW 6 GUST WITH 8 INTENSITY BY 1/0600 DECR 5 BY

1/2100 PROB OF RAIN STORMS NXT SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS

POOR TO MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SW 6/5 WITH GUSTS

VEER VRB 4 BY 1/1500 LOW PROB OF SH RAIN VIS MODERATE TO GOOD

 E OF 50 - S OF 45S: SW 7/6 GUST WITH 8 INTENSITY VEER NW 6/7 GUST WITH 8

INTENSITY BY 1/1800 PROB OF SH RAIN IMPR STARTING NOON VIS POOR OCNL MODERATE

 REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 1/1200 VIS

MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 6 GUST WITH 8 INTENSITY

BACK W 8/9 WITH GUSTS BY 1/0600 PROB OF SH RAIN NXT ISOL SNOW FALL VIS MODERATE

TO POOR OCNL VERY POOR

 REST OF THE AREA: NW 6 GUST WITH 8 INTENSITY INCR NW 8 WITH GUSTS BY 1/0600

VEER SW 9 BY 1/1500 PROB OF SH RAIN NXT SH OF SNOW SNOW FALL VIS POOR OCNL VERY

POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 9/8 WITH GUSTS DECR 7/6

GUST WITH 8 INTENSITY BY 1/1500 NW 6 GUST WITH 8 INTENSITY BY 1/2100 PROB OF SH

OF SNOW SNOW FALL VIS POOR OCNL VERY POOR

 W OF 50 - N OF 55S: SECTOR W 7 GUST WITH 8 INTENSITY VEER SECTOR N 7/8 WITH

GUSTS BY 1/1200 PROB OF RAIN AND SNOW MIXTURE NXT SH RAIN VIS POOR

 REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR E 6/7 WITH GUSTS BY 1/1800 PROB

OF ISOL SNOW FALL NXT HVY RAIN VIS POOR OCNL VERY POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR E 6 GUST WITH 8 INTENSITY VEER SE 7/8

WITH GUSTS BY 1/1500 VEER S 8 WITH GUSTS BY 1/2100 PROB OF HVY RAIN NXT SNOW

FALL VIS POOR OCNL VERY POOR

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