WWST02 SABM 151200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-04-15, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 158: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH

GUST IN SOUTH PATAGONIA COASTS ISLAS MALVINAS COASTS FROM 16/0600

WARNING 157: COLD FRONT AT 60S 40W 53S 41W 45S 51W PROVOKES WINDS FORCE 8 FROM

SECTOR N WITH GUST BETWEEN 50S-60S AND 30W-40W

WARNING 156: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 WITH GUST IN FIN DEL

MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W)

WARNING 151: COLD FRONT AT 60S 40W 53S 41W 45S 51W PROVOKES WINDS FORCE 8 WITH

GUST BETWEEN 55S-60S AND 40W-60W

PART 2 GENERAL SYNOPSIS AT 09:00UTC

STRONG BARIC GRADIENT FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W)

MOV E WKN

CFNT AT 60S 40W 53S 41W 45S 51W MOV E

LOW 1014HPA 41S 56W MOV E WKN EXTENDS CFNT AT 41S 56W 37S 61W 35S 65W MOV E

HIGH 1020HPA 42S 63W MOV SE INTSF EXP 53S 40W BY 16/1200 EXTENDS RIDGE AT 42S

64W 45S 57W 50S 53W MOV E

HIGH 1026HPA 40S 43W MOV SE NC EXP 48S 38W BY 16/1200 EXTENDS RIDGE AT 35S 45W

40S 43W 52S 29W MOV E

LOW 1008HPA 43S 31W NOT MOV WKN EXTENDS CFNT AT 43S 29W 40S 29W 34S 38W MOV SLWY

ASOCIATED WITH OFNT AT 45S 29W 45S 32W 42S 34W

151400 UTC 1.SEA ICE LIMIT 6840S 02000W 6828S 02729W 6327S 03132W 6009S 03309W

6059S 03952W 6217S 05036W 6337S 05311W 6313S 05740W 6339S 06042W 6431S 06416W

6601S 06544W 6644S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5920S 03602W 16X7NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5025S 03003W 2X1NM ICEBERG2 4640S 02749W

6X3NM ICEBERG3 4928S 03034W 5X3NM ICEBERG4 4657S 02747W 4X2NM ICEBERG5 4656S

02738W 3X1NM ICEBERG6 5825S 03611W 3X1NM ICEBERG7 4313S 03411W 2X1NM 4.ICEBERGS

AREA A6853S 02000W 4447S 02000W 4257S 03200W 6025S 03445W B6025S 03445W 4245S

03220W 4246S 03500W 5655S 04500W 6150S 04300W C6150S 04300W 5700S 04500W 6235S

06716W 6712S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-16

COASTAL AREAS:

INNER RIO DE LA PLATA: SE 4/5 WITH GUSTS PROB OF HVY RAIN STARTING NIGTH VIS

MODERATE TO POOR

OUTER RIO DE LA PLATA: SECTOR E 3/5 WITH GUSTS PROB OF HVY RAIN STARTING NIGTH

VIS MODERATE TO POOR

URUGUAY SOUTH EAST COASTS: NE 4/6 WITH GUSTS PROB OF HVY RAIN STARTING NIGTH FOG

AND MIST IN PATCHES DISSIPATING VIS MODERATE TO POOR

MAR DEL PLATA COASTS(3617S - 3830S): NE 3 VEER SECTOR S 4/5 WITH GUSTS BY

16/0600 PROB OF HVY RAIN STARTING NIGTH FOG AND MIST IN PATCHES DISSIPATING VIS

POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 3/4 VEER SECTOR N 3 FOG AND

MIST IN PATCHES DISSIPATING PROB OF RAIN IMPR FOG AND MIST IN PATCHES STARTING

EARLY MORNING VIS GOOD OCNL MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): VRB 3 BACK SECTOR N 5/6 WITH GUSTS BY

15/1800 VIS GOOD TO MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6/7 WITH GUSTS BACK NW 5 WITH

GUSTS VIS GOOD OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S) E OF 65W: SECTOR N 7 WITH GUSTS INCR 8 WITH

GUSTS BY 16/0600 VIS MODERATE TO POOR

SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR N 7/5 WITH GUSTS

MIST VIS MODERATE OCNL GOOD

FIN DEL MUNDO COASTS(54S - 55S): NW 8/6 WITH GUSTS PROB OF RAIN SPELLS OF GOOD

WEATHER VIS POOR OCNL MODERATE

ISLAS MALVINAS COASTS: SECTOR N 7 WITH GUSTS INCR 8 WITH GUSTS BY 16/0600 VIS

MODERATE TO POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR E 5/7 WITH GUSTS PROB OF HVY

RAIN STORMS STARTING NIGTH VIS MODERATE TO POOR

 E OF 40W: SECTOR S 4 WITH GUSTS PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

 E OF 50W: E 3 BACK NE 3/4 VIS GOOD

 REST OF THE AREA: NE 5/6 WITH GUSTS PROB OF RAIN STORMS VIS GOOD TO POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: NE 5/6 WITH GUSTS

PROB OF RAIN STORMS VIS POOR

 SE OF THE REGION: SECTOR E 7/5 WITH GUSTS PROB OF RAIN STORMS VIS POOR

 REST OF THE AREA: SECTOR S 7/5 WITH GUSTS PROB OF SH IMPR VIS POOR TO

MODERATE

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

OF ISOL RAIN VIS GOOD OCNL MODERATE

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

OCNL MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W) NE OF THE REGION: NW 5/6 WITH GUSTS PROB

OF DRIZZLE VIS MODERATE OCNL GOOD

 SE OF THE REGION: SECTOR W 7/8 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS

POOR

 NW OF THE REGION: SECTOR N 8/5 WITH GUSTS BACK VRB 4 PROB OF SH RAIN IMPR FOG

AND MIST IN PATCHES STARTING NIGTH VIS POOR

 REST OF THE AREA: SECTOR N 8 WITH GUSTS BACK SECTOR W 8/7 WITH GUSTS PROB OF

RAIN AND SNOW MIXTURE VIS POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR N 5 WITH GUSTS PROB OF

ISOL RAIN VIS GOOD OCNL MODERATE

 REST OF THE AREA: NW 8/7 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR

DRAKE AREA (55S- 60S AND 60W- 67W): NW 8/7 WITH GUSTS PROB OF RAIN VIS POOR

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