WWST02 SABM 241200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2025-10-24, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 431: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH

GUST IN SOUTH PATAGONIA COASTS FROM 25/0600

WARNING 430: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 AROUND ITSELF WITH

GUST BETWEEN 45S-50S AND 20W-40W FROM 25/0300





PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 1039HPA 36S 25W NC

LOW 1000HPA 53S 50W MOV E WKN EXTENDS CFNT AT 53S 50W 45S 53W 39S 63W MOV E

231400 UTC 1.SEA ICE LIMIT 5712S 02000W 5732S 02212W 5659S 02321W 5711S 02421W

5621S 02848W 5828S 03226W 5906S 04032W 6158S 05543W 6113S 05135W 6146S 05741W

6401S 06310W 6609S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5307S 04010W 32X24NM

A74A 5407S 03318W 27X17NM A77 5656S 04117W 27X4NM A76C 6026S 04257W 16X7NM B15AB

5805S 04834W 11X4NM A23G 5213S 03900W 20X8NM A23H 5141S 03937W 10X2NM A23I 5113S

04044W 19X8NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4923S 03549W 7X1NM ICEBERG2

5129S 03834W 3X1NM ICEBERG3 5535S 04521W 9X2NM ICEBERG4 5514S 04502W 2X1NM

ICEBERG5 5232S 03729W 3X1NM ICEBERG6 5105S 03853W 9X4NM ICEBERG7 5133S 03602W

3X1NM ICEBERG8 5109S 04003W 7X3NM ICEBERG9 4957S 02435W 6X3NM ICEBERG10 5311S

03743W 2X1NM ICEBERG11 5253S 04113W 2X2NM ICEBERG12 5342S 04104W 3X1NM ICEBERG13

5301S 03642W 3X1NM ICEBERG14 5015S 02431W 3X1NM ICEBERG15 5021S 02929W 6X4NM

ICEBERG16 5008S 02215W 2X1NM ICEBERG17 5332S 02621W 3X1NM ICEBERG18 5333S 03654W

2X1NM ICEBERG19 4921S 03841W 4X1NM ICEBERG20 5147S 03905W 3X2NM ICEBERG21 6058S

04629W 3X2NM ICEBERG22 5251S 03657W 2X1NM ICEBERG23 5300S 03635W 3X1NM

4.ICEBERGS AREA A 5729S 02000W 4500S 02000W 4500S 03700W 5840S 03620W B 5840S

03620W 4500S 03700W 4500S 04450W 6115S 04527W C 6115S 04527W 5448S 04500W 5900S

05430W 6200S 05340W D 6200S 05240W 5900S 05430W 6230S 06716W 6638S 06716W





PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-10-25

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 24/1800 VEER SECTOR S

BY 25/1200 HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS POOR

OUTER RIO DE LA PLATA: SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 24/1800 VEER SECTOR S

BY 25/1200 HVY RAIN STORMS VIS POOR

URUGUAY SOUTH EAST COASTS: SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 24/1800 VEER

SECTOR S BY 25/1200 HVY RAIN STORMS VIS POOR

MAR DEL PLATA COASTS(36�17S - 38�30S): SECTOR N 3/4 BACK SECTOR S 6 WITH GUSTS

BY 25/0300 MIST DISSIPATINGHVY RAIN STORMS SPELLS OF GOOD WEATHER VIS POOR

RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SECTOR N 3/4 BACK SECTOR S BY 24/1800

MIST DURING THE MORNING DISSIPATING VIS MODERATE TO GOOD

PENINSULA DE VALDES COASTS(41�S - 45�S): SECTOR S 4 INCR 5 WITH GUSTS BY 25/0300

VIS GOOD OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45�S - 48�S): SECTOR W 4/5 WITH GUSTS INCR 6 BY

25/0300 PROB OF RAIN SNOW FALL STARTING EVENING VIS MODERATE OCNL POOR

SOUTH PATAGONIA COASTS(48�S - 54�S): SECTOR N 4/5 BACK SECTOR W 8 WITH GUSTS BY

25/0600 PROB OF RAIN SNOW FALL STARTING EVENING VIS MODERATE TO VERY POOR

FIN DEL MUNDO COASTS(54�S - 55�S): SECTOR N 5 WITH GUSTS BACK SECTOR W BY

25/0000 PROB OF RAIN SNOW FALL STARTING EVENING VIS MODERATE OCNL POOR

ISLAS MALVINAS COASTS: SECTOR N 3/4 BACK SECTOR W 5 WITH GUSTS BY 25/0600 PROB

OF RAIN SNOW FALL STARTING EVENING VIS MODERATE



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) W OF 30W: SECTOR N 5/6 WITH GUSTS PROB OF

RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

 REST OF THE AREA: SECTOR W 3/4 VIS GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): NW 6 WITH GUSTS INCR 8 BY 25/0300

PROB OF ISOL RAIN VIS MODERATE TO VERY POOR

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

PROB OF ISOL RAIN VIS MODERATE

 REST OF THE AREA: SECTOR N 6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5/6 WITH GUSTS PROB OF RAIN

AND SNOW MIXTURE TOWARDS THE END OF THE PERIOD IMPR VIS MODERATE OCNL POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 5 WITH GUSTS VEER SECTOR N BY

24/2100 LOW PROB OF ISOL RAIN AND SNOW MIXTURE VIS GOOD OCNL MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4 VEER SECTOR S 7 GUST WITH 8

INTENSITY BY 25/0900 PROB OF RAIN AND SNOW MIXTURE STARTING EVENING VIS

MODERATE

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