487
WWST02 SABM 311200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-10-31, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 437: LOW 994HPA AT 30S 34W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SE WITH GUST UNTIL 01/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 994HPA 30S 34W MOV SE DPN EXP 44S 26W BY 01/1200 EXTENDS CFNT AT 30S 34W 38S
28W 35S 27W MOV SE
HIGH 1022HPA 35S 54W MOV E EXP 35S 40W BY 01/1200
LOW 994HPA 51S 63W MOV SE DPN EXTENDS CFNT AT 51S 63W 45S 61W 40S 63W MOV E
301400 UTC 1.SEA ICE LIMIT 5735S 02000W 5724S 02309W 5620S 02529W 5647S 02648W
5722S 02714W 5825S 03213W 5857S 03800W 5955S 04241W 6033S 04702W 6141S 05332W
6313S 06000W 6600S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5246S 04024W 32X24NM
A74A 5347S 03211W 27X17NM A77 5625S 04113W 27X4NM A76C 6029S 04211W 16X7NM B15AB
5839S 04704W 11X4NM A23G 5212S 03857W 11X3NM A23I 5016S 03954W 19X8NM 3.ICEBERGS
SMALLER THAN 10NM ICEBERG1 4948S 03508W 7X1NM ICEBERG2 5112S 03804W 3X1NM
ICEBERG3 5516S 04505W 9X2NM ICEBERG4 5531S 04348W 2X1NM ICEBERG5 5314S 03718W
3X1NM ICEBERG6 5103S 03752W 9X4NM ICEBERG7 5100S 03532W 3X1NM ICEBERG8 5210S
03950W 7X3NM ICEBERG9 5025S 02333W 4X2NM ICEBERG10 5327S 03732W 2X1NM ICEBERG11
5225S 04140W 2X2NM ICEBERG12 5341S 04100W 3X1NM ICEBERG13 5205S 03709W 3X1NM
ICEBERG14 5131S 02709W 6X4NM ICEBERG15 5258S 02547W 3X1NM ICEBERG16 5316S 03702W
2X1NM ICEBERG17 4957S 03822W 4X1NM ICEBERG18 5141S 03833W 3X1NM ICEBERG19 6104S
04533W 3X2NM ICEBERG20 5215S 03713W 2X1NM ICEBERG21 5245S 03451W 3X1NM ICEBERG22
5126S 03900W 7X2NM ICEBERG23 5210S 03903W 8X2NM ICEBERG24 5202S 03854W 3X3NM
ICEBERG25 5227S 03839W 7X6NM ICEBERG26 5222S 03836W 3X1NM ICEBERG27 5233S 03833W
2X1NM ICEBERG28 5208S 03857W 3X3NM ICEBERG29 5206S 03844W 2X1NM ICEBERG30 5113S
03951W 4X2NM ICEBERG31 5113S 02706W 3X1NM 4.ICEBERGS AREA A 5850S 02000W 4300S
02000W 4600S 03550W 5900S 03700W B 5900S 03700W 4800S 03600W 4840S 05000W 6125S
04900W C 6125S 04900W 5830S 04900W 6200S 06716W 6620S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-11-1
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 4/5 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 VIS GOOD
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 5 VIS GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): NW 6 GUST WITH 8 INTENSITY BACK SW 5
BY 1/0600 PROB OF ISOL RAIN STORMS STARTING EARLY MORNING IMPR VIS MODERATE TO
GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): NW 6 WITH GUSTS BACK SW 5 BY 1/0000
PROB OF SH RAIN STARTING NIGTH IMPR VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SW 5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 5/6 WITH GUSTS PROB OF ISOL RAIN
STARTING NIGTH VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 4/6 GUST WITH 8 INTENSITY PROB OF
PRECIPITATIONS STARTING EVENING VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: NW 7 GUST WITH 8 INTENSITY BACK SECTOR W GUST WITH 8
INTENSITY PROB OF PRECIPITATIONS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 8 WITH GUSTS SH RAIN
STARTING EARLY MORNING IMPR VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45 - E OF 35W: SECTOR E 8 WITH
GUSTS VEER SECTOR W BY 1/0600 SH RAIN VIS POOR
S OF 45 - E OF 35W: SECTOR W 4 VEER SECTOR S 5/6 WITH GUSTS BY 1/0000 PROB OF
SH RAIN STARTING EVENING VIS GOOD TO MODERATE
REST OF THE AREA: SW 6 GUST WITH 8 INTENSITY VEER NW GUST WITH 8 INTENSITY BY
1/0600 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): NW 6 GUST WITH 8 INTENSITY PROB OF
ISOL SH RAIN VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 7 GUST WITH 8
INTENSITY VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY PROB OF ISOL RAIN VIS
MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): NW 6 WITH GUSTS INCR 7 WITH GUSTS BY
1/0600 PROB OF ISOL PRECIPITATIONS VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF
RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
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