873
WWST02 SABM 170000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-09-17, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 378: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SW WITH
GUST IN FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W-
67W) FROM 17/0900
WARNING 377: STRONG BARIC GRADIENT MOV SE WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST BETWEEN 50S-55S AND 20W-40W FROM 17/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 161400 UTC
1.SEA ICE LIMIT
5524S 02000W 5440S 02329W 5458S 02857W 5559S 03044W 5723S 03435W 5846S 03916W
5933S 04428W 6019S 04821W 6219S 05344W 6320S 05935W 6413S 06354W 6616S 06716W
2.ICEBERGS GREATER THAN 10NM
A23A 5233S 03712W 32X24NM
A74A 5451S 04158W 27X17NM
A77 5802S 04950W 27X4NM
A76C 5955S 04734W 16X7NM
B15AB 6013S 05243W 11X4NM
A23G 5330S 03857W 20X8NM
A23H 5308S 03722W 10X2NM
A23I 5232S 03646W 19X8NM
ICEBERG1 5232S 04058W 12X2NM
3.ICEBERGS SMALLER THAN 10NM
A23E 5105S 03331W 9X4NM
ICEBERG2 5331S 03736W 3X1NM
ICEBERG3 5906S 05107W 9X2NM
ICEBERG4 5452S 03712W 3X1NM
ICEBERG5 4935S 02521W 3X2NM
ICEBERG6 5308S 02915W 3X1NM
ICEBERG7 5325S 03800W 4X1NM
ICEBERG8 5745S 04844W 6X4NM
ICEBERG9 4955S 02830W 2X1NM
ICEBERG10 5047S 03355W 3X3NM
ICEBERG11 5915S 05138W 2X1NM
ICEBERG12 5116S 03147W 3X1NM
ICEBERG13 5254S 03700W 3X1NM
ICEBERG14 5323S 03849W 9X4NM
ICEBERG15 5148S 03925W 3X1NM
ICEBERG16 5314S 03721W 7X3NM
ICEBERG17 5218S 03253W 2X1NM
ICEBERG18 4953S 02838W 2X1NM
ICEBERG19 5007S 03023W 3X1NM
ICEBERG20 4955S 02907W 6X4NM
ICEBERG21 5250S 03717W 2X1NM
ICEBERG22 5436S 03730W 2X1NM
ICEBERG23 5300S 03708W 2X2NM
ICEBERG24 5250S 03650W 3X1NM
ICEBERG25 5600S 04313W 3X1NM
4.ICEBERGS AREA
A: 5547S 02000W 4500S 02000W 4800S 03954W 5917S 04000W
B: 5917S 04000W 5000S 04000W 5140S 05000W 6047S 04955W
C: 6047S 04955W 5700S 05036W 6330S 06716W 6700S 06716W
HIGH 1031HPA 38S 33W MOV NE EXP 35S 30W BY 17/2100
LOW 1002HPA 50S 48W MOV SE DPN EXP 53S 35W BY 17/1500 EXTENDS CFNT AT 46S 51W
46S 52W 45S 56W MOV NE
CFNT AT 58S 39W 56S 40W 53S 44W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-09-18
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 VEER SECTOR E 3/4 BY 17/1800 PROB OF FOG AND MIST IN
PATCHES STARTING EARLY MORNING VIS GOOD TO MODERATE
OUTER RIO DE LA PLATA: NE 3/4 VEER SECTOR E 3/4 BY 17/1800 PROB OF FOG VIS POOR
OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NE 3/4 FOG VIS POOR OCNL MODERATE
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 4 VEER SECTOR E 3/4 BY 17/1800
FOG MIST VIS MODERATE TO POOR
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR N 4 BACK SECTOR E 5 WITH GUSTS
BY 17/0900 PROB OF ISOL SH STORMS VIS MODERATE
PENINSULA DE VALDES COASTS(41ºS - 45ºS): SE 4 BACK E 5 WITH GUSTS BY 17/1500
PROB OF ISOL RAIN DURING THE MORNING VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SW 4 DECR VRB 3 BY 17/1500 VIS GOOD
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 5/6 GUST WITH 8 INTENSITY PROB OF SH
RAIN AND SNOW MIXTURE IMPR DURING THE MORNING VIS MODERATE TO GOOD
FIN DEL MUNDO COASTS(54ºS - 55ºS): SW 6/8 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SW 6/8 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE TO POOR.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 4 PROB OF DRIZZLE VIS
MODERATE
W OF 30 - E OF 40W: VRB 3 INCR SECTOR N 5/6 WITH GUSTS BY 17/1800 VIS GOOD
W OF 40 - E OF 50W: SECTOR N 5 WITH GUSTS BACK NW 5 WITH GUSTS BY 17/1800 PROB
OF SH STARTING EVENING VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR N 4/5 DECR VRB 3 BY 17/1800 PROB OF FOG AND MIST IN
PATCHES NXT SH STARTING EVENING VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR S 4 VEER NW
5 BY 17/1800 PROB OF DRIZZLE IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
REST OF THE AREA: NW 6/7 GUST WITH 8 INTENSITY PROB OF RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 6/7 GUST WITH 8
INTENSITY BACK SW 6/7 GUST WITH 8 INTENSITY BY 17/1200 PROB OF RAIN VIS POOR
W OF 50 - N OF 45S: NW 5 WITH GUSTS BACK SECTOR S 4 BY 17/0900 PROB OF SH
SPELLS OF GOOD WEATHER VIS MODERATE
REST OF THE AREA: SW 5 WITH GUSTS INCR 6/7 GUST WITH 8 INTENSITY BY 17/0900
PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 6 WITH GUSTS INCR 8
BY 17/1500 PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR
W OF 30 - N OF 55S: SECTOR N 5 INCR 8 WITH GUSTS BY 17/1200 BACK SECTOR W 7
GUST WITH 8 INTENSITY BY 17/1800 PROB OF RAIN SNOW FALL VIS VERY POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS DECR VRB 3 BY 17/0900 PROB OF RAIN SNOW
FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - S OF 55S: SECTOR W 4/5 PROB OF
ISOL SNOW FALL VIS MODERATE
REST OF THE AREA: SW 6/7 GUST WITH 8 INTENSITY PROB OF ISOL RAIN VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 7/8 WITH GUSTS PROB OF SH RAIN AND SNOW
MIXTURE VIS VERY POOR
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