WWST02 SABM 210000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-03-21, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 116: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W

WITH GUST IN MAR DEL PLATA COASTS RINCON BAHIA BLANCA COASTS FROM 21/2100





PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 996HPA 55S 45W MOV SE WKN EXP 57S 31W BY 21/1500 EXTENDS CFNT AT 52S 45W 51S

46W 50S 49W MOV E

HIGH 1023HPA 47S 24W MOV E INTSF EXTENDS RIDGE AT 45S 38W 42S 45W 39S 48W

201400 UTC 1.SEA ICE LIMIT 7156S 02000W 7021S 02830W 6804S 03032W 7245S 03044W

6118S 03316W 6521S 03319W 6144S 04115W 6129S 04355W 6213S 04949W 6437S 05542W

6416S 06354W 6634S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5002S 03430W 10X7NM

A76C 5900S 03619W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4832S 03035W 9X7NM

ICEBERG1 5812S 03538W 3X2NM ICEBERG2 4841S 03304W 3X2NM ICEBERG3 5229S 03243W

7X2NM ICEBERG4 4722S 03117W 3X1NM ICEBERG5 4844S 03057W 4X2NM ICEBERG6 4843S

03010W 4X1NM ICEBERG7 4840S 03021W 3X2NM ICEBERG8 4838S 03014W 2X2NM ICEBERG9

4600S 03050W 3X2NM 4.ICEBERGS AREA A 7303S 02000W 4555S 02000W 4400S 03100W

4900S 04000W 6136S 04000W B 6136S 04000W 5800S 04000W 5800S 04900W 6211S 04900W

C 6211S 04900W 5900S 04900W 6100S 06100W 6600S 06716W 6644S 06716W





PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-22

COASTAL AREAS:

INNER RIO DE LA PLATA: NE 4/5 WITH GUSTS BACK SECTOR W 5 WITH GUSTS BY 21/1800

PROB OF RAIN HVY STORMS STARTING EARLY MORNING IMPR TOWARDS EVENING VIS MODERATE

TO POOR

OUTER RIO DE LA PLATA: NE 5/6 WITH GUSTS BACK 6/7 GUST WITH 8 INTENSITY BY

21/2100 PROB OF RAIN HVY STORMS STARTING EARLY MORNING VIS MODERATE TO VERY

POOR

URUGUAY SOUTH EAST COASTS: NE 5/6 WITH GUSTS PROB OF RAIN STORMS STARTING

EVENING VIS MODERATE TO POOR

MAR DEL PLATA COASTS(36�17S - 38�30S): NE 5/6 WITH GUSTS BACK SECTOR W 7/8 WITH

GUSTS BY 21/2100 PROB OF STORMS HVY RAIN STARTING EARLY MORNING VIS MODERATE TO

VERY POOR

RINCON BAHIA BLANCA COASTS(38�30S - 41�S): NE 5/6 WITH GUSTS BACK SW 6 INCR 8

WITH GUSTS BY 21/2100 PROB OF STORMS HVY RAIN STARTING EARLY MORNING VIS VERY

POOR TO POOR

PENINSULA DE VALDES COASTS(41�S - 45�S): SECTOR S 5/6 WITH GUSTS PROB OF RAIN

VIS POOR OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45�S - 48�S): SECTOR N 5 WITH GUSTS BACK SECTOR S 5/6

WITH GUSTS BY 21/2100 PROB OF RAIN IMPR STARTING EARLY MORNING VIS MODERATE

SOUTH PATAGONIA COASTS(48�S - 54�S): SECTOR N 6 WITH GUSTS BACK SW 6/7 GUST WITH

8 INTENSITY BY 21/1500 PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE TO

POOR

FIN DEL MUNDO COASTS(54�S - 55�S): SECTOR N 6 WITH GUSTS BACK 6/7 GUST WITH 8

INTENSITY BY 21/2100 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR N 5 WITH GUSTS PROB OF RAIN STARTING EARLY MORNING

VIS MODERATE



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR E 4 PROB OF ISOL RAIN SPELLS

OF GOOD WEATHER VIS GOOD OCNL MODERATE

 W OF 40 - E OF 50W: SECTOR E 4 BACK NE 5 WITH GUSTS BY 21/1800 VIS GOOD TO

MODERATE

 REST OF THE AREA: NE 5/6 WITH GUSTS INCR 7 GUST WITH 8 INTENSITY BY 21/1800

PROB OF STORMS HVY RAIN STARTING EVENING VIS MODERATE TO VERY POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: VRB 3 PROB OF ISOL RAIN

SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE

 W OF 30 - N OF 45S: VRB 3 VIS GOOD

 REST OF THE AREA: NW 4 VIS GOOD

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

OF ISOL RAIN STARTING EARLY MORNING VIS GOOD OCNL MODERATE

 W OF 50 - N OF 45S: NE 4 WITH GUSTS INCR 7 GUST WITH 8 INTENSITY BY 21/1500

PROB OF SH RAIN VIS MODERATE TO POOR

 REST OF THE AREA: VRB 3 BACK NE 5 BY 21/1200 PROB OF SH DURING THE EARLY

MORNING VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6/7 WITH GUSTS PROB

OF RAIN VIS MODERATE TO POOR

 REST OF THE AREA: NE 5 BACK SECTOR S 4 BY 21/1800 PROB OF RAIN SPELLS OF GOOD

WEATHER VIS MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SECTOR W 6 WITH

GUSTS DECR VRB 3 BY 21/1500 PROB OF RAIN IMPR DURING THE EARLY MORNING VIS

MODERATE OCNL POOR

 W OF 50 - N OF 55S: VRB 3 BACK SECTOR N 4 BY 21/1500 PROB OF SH STARTING EARLY

MORNING VIS GOOD TO MODERATE

 E OF 50 - S OF 55S: VRB 3 BACK NW 5 BY 21/1800 PROB OF RAIN IMPR STARTING EARLY

MORNING VIS MODERATE TO GOOD

 REST OF THE AREA: SECTOR N 4/5 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD

WEATHER VIS GOOD TO MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5 WITH GUSTS BACK SECTOR S 6/7 GUST

WITH 8 INTENSITY BY 21/1800 PROB OF RAIN VIS MODERATE OCNL POOR

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