WWST02 SABM 121200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-07-12, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 320: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH

GUST IN PENINSULA DE VALDES COASTS FROM 13/0900

PART 2 GENERAL SYNOPSIS AT 09:00UTC

111400 UTC 1.SEA ICE LIMIT 5910S 02000W 5744S 02618W 5837S 03217W 5927S 03758W

5950S 04317W 6214S 04813W 6309S 05247W 6308S 05655W 6246S 06032W 6412S 06337W

6615S 06559W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6216S 05328W 21X12NM

A81 6113S 05219W 28X25NM A76C 5229S 03145W 16X6NM D33C 6320S 05311W 9X4NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5234S 03147W 2X1NM ICEBERG2 6252S 05309W

6X3NM ICEBERG3 6321S 05304W 5X2NM ICEBERG4 6311S 05300W 4X3NM ICEBERG5 6308S

05250W 2X1NM ICEBERG6 5954S 03614W 4X2NM 4.ICEBERGS AREA A6000S 02000W 4300S

02000W 5000S 03300W 6000S 03400W B6000S 03400W 5000S 03300W 6020S 05000W 6300S

04900W C6300S 04900W 6020S 05000W 6200S 06716W 6800S 06716W

HIGH 1028HPA 45S 45W MOV NE INTSF EXP 41S 40W BY 13/1200

LOW 1001HPA 58S 62W MOV SE DPN EXP 59S 33W BY 13/1200 EXTENDS CFNT AT 58S 62W

54S 64W 52S 68W MOV SE EXP 59S 33W 54S 39W 50S 50W BY 13/1200

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-13

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 4/5 BACK SECTOR N 3 BY 13/0000 PROB OF FOG AND

MIST IN PATCHES TEMPORARILY DISSIPATING VIS MODERATE OCNL GOOD

OUTER RIO DE LA PLATA: SECTOR S 6/5 WITH GUSTS DECR 4/3 BY 13/0000 BACK VRB 3 BY

13/0900 PROB OF SH MIST IMPR GRADUALLY VIS MODERATE TO GOOD

URUGUAY SOUTH EAST COASTS: SECTOR S 6/5 WITH GUSTS DECR 4/3 BY 13/0000 BACK VRB

3 BY 13/0900 PROB OF SH MIST IMPR GRADUALLY VIS MODERATE TO GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/5 WITH GUSTS DECR 4/3 BY

12/1800 VEER SECTOR N 3/5 BY 13/0900 PROB OF MIST FOG PATCHES IMPR STARTING

EVENING VIS MODERATE TO GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 INCR 5/6 WITH GUSTS BY

13/0000 PROB OF FOG AND MIST IN PATCHES STARTING EARLY MORNING VIS GOOD TO

POOR

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS INCR 7/8 WITH

GUSTS BY 13/0600 PROB OF FOG AND MIST IN PATCHES STARTING NIGTH VIS MODERATE TO

VERY POOR

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS BACK VRB 3/4 BY

13/1200 PROB OF DRIZZLE RAIN STARTING EVENING VIS POOR

SOUTH PATAGONIA COASTS(48S - 54S): VRB 3/4 VEER SECTOR E 6/7 WITH GUSTS BY

13/0000 PROB OF HVY RAIN STARTING EVENING VIS MODERATE TO POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/4 BACK SECTOR S 5/6 WITH GUSTS BY

12/2100 BACK SECTOR E 6/7 WITH GUSTS BY 13/0300 PROB OF DRIZZLE RAIN STARTING

EVENING VIS MODERATE TO POOR

ISLAS MALVINAS COASTS: NW 5/6 WITH GUSTS VEER VRB 4 BY 12/2100 BACK E 6/7 WITH

GUSTS BY 13/0600 PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO

POOR

OCEANIC AREAS:

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

E 5 WITH GUSTS BY 12/2100 PROB OF DRIZZLE STARTING EARLY MORNING VIS MODERATE

 REST OF THE AREA: SECTOR E 5/4 BACK SECTOR N BY 13/0300 PROB OF RAIN IMPR

STARTING EARLY MORNING VIS MODERATE TO GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR S 6/7 WITH GUSTS DECR

6/5 BY 13/0000 DECR 5/4 BY 13/0900 PROB OF SH RAIN DURING THE MORNING VIS POOR

TO GOOD

 REST OF THE AREA: SECTOR S 5/4 DECR 4/3 BY 12/1800 VEER VRB 3 BY 13/0300 VIS

GOOD

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: VRB 3/4 VEER SECTOR N 5/6

WITH GUSTS BY 13/0000 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD

TO MODERATE

 REST OF THE AREA: VRB 3/4 VEER SECTOR N 5/6 WITH GUSTS BY 13/0000 PROB OF ISOL

RAIN IMPR TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5/6 WITH GUSTS VEER NW 6/7

WITH GUSTS BY 13/0300 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS

MODERATE TO POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS BACK SECTOR S

WITH GUSTS BY 13/0000 PROB OF RAIN AND SNOW MIXTURE VIS POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5 WITH GUSTS BACK SECTOR S WITH

GUSTS BY 12/1500 DECR 4 BY 13/0600 PROB OF RAIN SNOW FALL IMPR STARTING NIGTH

VIS POOR TO GOOD

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