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WWST02 SABM 310000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2025-03-31, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 130: LOW 990HPA AT 50S 54W MOV SE DEEPENING EXPECTED 58S 42W BY 31/2100

WILL PROVOKE WINDS FORCE 8 AROUND ITSELF WITH GUST IN SOUTH WEST AREA (50S- 60S

AND 40W- 60W) FROM 31/0900

WARNING 129: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM NW WITH GUST

BETWEEN 50S-60S 30W-40W FROM 31/1200

WARNING 128: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR S WITH

GUST IN INNER RIO DE LA PLATA OUTER RIO DE LA PLATA UNTIL 31/0900

WARNING 127: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM NW WITH GUST

BETWEEN 45S-55S AND 40W-60W UNTIL 31/1200

WARNING 126: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN

PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS UNTIL 31/0300

WARNING 125: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN

SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA

(55S- 60S AND 60W- 67W)





PART 2 GENERAL SYNOPSIS AT 21:00UTC

301400 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 5449S 03902W 40X32NM

A23B 5641S 03747W 10X2NM A76C 6159S 05226W 16X7NM A74A 6257S 05328W 30X18NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6137S 05425W 9X3NM ICEBERG2 5525S 03545W

2X1NM ICEBERG3 6225S 04642W 8X3NM ICEBERG4 6221S 04240W 3X1NM ICEBERG5 6140S

05832W 2X1NM ICEBERG6 5650S 03535W 7X1NM ICEBERG7 6243S 04247W 2X1NM ICEBERG8

5632S 03451W 3X1NM ICEBERG9 6227S 05512W 2X1NM ICEBERG10 5643S 03752W 4X1NM

ICEBERG11 5449S 03752W 3X1NM ICEBERG12 5500S 03756W 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

LOW 1002HPA 43S 38W MOV SE WKN

LOW 990HPA 50S 54W MOV SE DPN EXP 58S 42W BY 31/2100 EXTENDS CFNT AT MAR DEL

PLATA COASTS

LOW 987HPA 56S 64W MOV E WKN EXP 55S 53W BY 31/2100





PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-4-1

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 8/6 WITH GUSTS DECR SECTOR S 5/4 BY 31/1500 PROB

OF HVY STORMS NXT STORMS IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE

OUTER RIO DE LA PLATA: SECTOR S 8/6 WITH GUSTS DECR SECTOR S 5 BY 31/1500 PROB

OF HVY STORMS NXT STORMS IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR N 6/7 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS

BY 31/1500 PROB OF HVY STORMS NXT STORMS VIS VERY POOR TO POOR

MAR DEL PLATA COASTS(36�17S - 38�30S): SW 6/7 WITH GUSTS PROB OF HVY STORMS NXT

SH STARTING EARLY MORNING VIS POOR TO MODERATE

RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SW 6 WITH GUSTS PROB OF RAIN NXT SH

VIS POOR OCNL MODERATE

PENINSULA DE VALDES COASTS(41�S - 45�S): SW 8/6 WITH GUSTS PROB OF SH IMPR

STARTING EARLY MORNING VIS VERY POOR TO MODERATE

GOLFO DE SAN JORGE COASTS(45�S - 48�S): SW 8/6 WITH GUSTS PROB OF SH VIS VERY

POOR TO MODERATE

SOUTH PATAGONIA COASTS(48�S - 54�S): SW 8/7 WITH GUSTS PROB OF SH VIS VERY POOR

TO POOR

FIN DEL MUNDO COASTS(54�S - 55�S): SW 8/7 WITH GUSTS PROB OF SH OF RAIN SH OF

SNOW VIS VERY POOR TO POOR

ISLAS MALVINAS COASTS: SW 7/8 WITH GUSTS PROB OF SH OF RAIN SH OF SNOW VIS VERY

POOR TO POOR



OCEANIC AREAS:

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

GUSTS BY 31/1800 PROB OF HVY RAIN VIS POOR

 W OF 30 - E OF 40W: SECTOR N 6/5 WITH GUSTS BACK SECTOR W 4/3 BY 31/0900 PROB

OF SH IMPR STARTING EARLY MORNING VIS POOR TO GOOD

 REST OF THE AREA: SECTOR N 6/7 GUST WITH 8 INTENSITY BACK SW 7 WITH GUSTS PROB

OF HVY STORMS NXT STORMS VIS POOR OCNL VERY POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR N 6/7 WITH GUSTS PROB OF SH

VIS POOR

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

BACK SECTOR S 7 GUST WITH 8 INTENSITY BY 31/1500 PROB OF HVY RAIN STARTING EARLY

MORNING VIS MODERATE TO POOR

 W OF 50 - N OF 45S: NW 7 WITH GUSTS BACK SW 7 WITH GUSTS BY 31/0900 PROB OF HVY

RAIN IMPR STARTING EVENING VIS POOR

 E OF 50 - S OF 45S: NW 8/7 WITH GUSTS BACK SW 7/6 WITH GUSTS BY 31/1800 PROB OF

RAIN VIS VERY POOR TO POOR

 REST OF THE AREA: NW 8 WITH GUSTS BACK SW 7/6 WITH GUSTS BY 31/0600 PROB OF

RAIN NXT SH VIS VERY POOR TO POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 5 VEER SECTOR N 6/7

WITH GUSTS BY 31/0600 PROB OF RAIN VIS POOR

 REST OF THE AREA: NW 7/8 WITH GUSTS PROB OF RAIN VIS VERY POOR TO POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: NW 7/8 WITH GUSTS BACK SECTOR

W 8 WITH GUSTS BY 31/1200 PROB OF RAIN VIS VERY POOR TO POOR

 REST OF THE AREA: SECTOR N 5/6 WITH GUSTS VEER SW 7/8 WITH GUSTS BY 31/1200

PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SW 8 WITH GUSTS PROB OF RAIN SNOW FALL VIS

VERY POOR

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