676
WWST02 SABM 251200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-08-25, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 352: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
W WITH GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) FROM
26/0300
WARNING 351: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 35S-45S AND 40W-55W
WARNING 350: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 WITH GUST IN
CENTRAL WEST AREA (40S- 50S AND 40W- 60W)
WARNING 349: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SECTOR W
WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) UNTIL 25/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
241400 UTC 1.SEA ICE LIMIT 5626S 02000W 5535S 02406W 5510S 02707W 5547S 03121W
5703S 03618W 5754S 04111W 5913S 04403W 5915S 04740W 6106S 05119W 6203S 05615W
6342S 06218W 6553S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5336S 03619W 40X32NM
A74A 5718S 04514W 27X17NM A77 6025S 05539W 27X4NM A76C 5952S 04802W 16X7NM B15AB
6121S 05249W 11X4NM ICEBERG1 5319S 04026W 12X2NM 3.ICEBERGS SMALLER THAN 10NM
A23D 5125S 03732W 8X4NM A23E 5201S 03341W 9X4NM A23F 5350S 03552W 9X4NM ICEBERG2
5342S 03617W 3X1NM ICEBERG3 5118S 03038W 3X3NM ICEBERG4 6024S 05223W 9X2NM
ICEBERG5 5519S 04008W 4X2NM ICEBERG6 5216S 03735W 2X2NM ICEBERG7 4815S 02622W
3X2NM ICEBERG8 5257S 03255W 3X1NM ICEBERG9 5206S 03614W 3X1NM ICEBERG10 4720S
02639W 2X1NM ICEBERG11 5258S 03641W 4X1NM ICEBERG12 5112S 03638W 3X1NM ICEBERG13
5352S 03458W 3X1NM ICEBERG14 6020S 05359W 6X4NM ICEBERG15 5329S 03527W 4X1NM
ICEBERG16 5218S 03502W 2X1NM ICEBERG17 5246S 03745W 3X2NM ICEBERG18 5346S 03532W
3X3NM ICEBERG19 6036S 05534W 2X1NM ICEBERG20 5331S 03519W 2X1NM 4.ICEBERGS AREA
A: 5725S 02000W 4500S 02000W 4500S 03500W 5727S 03520W B: 5727S 03520W 4900S
03500W 5300S 05000W 6000S 04738W C: 6000S 04738W 5700S 04900W 6310S 06716W 6750S
06716W
LOW 993HPA 52S 57W MOV NE WKN
LOW 987HPA 45S 45W MOV SE EXTENDS CFNT AT 45S 45W 41S 47W 38S 53W MOV SE
ASOCIATED WITH WFNT AT 45S 45W 48S 37W 48S 31W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-08-26
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 5 VEER VRB 3 BY 26/0000 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 3/4 BACK VRB 3 BY 26/0000 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 5 WITH GUSTS BACK SW 3 BY 25/1800 VIS GOOD
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR W 5 BACK SECTOR S 3 BY 25/1500
VEER SECTOR N BY 26/0600 VIS GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SW 5/3 BACK VRB 3 BY 25/2100 VEER
SECTOR N 4/5 BY 26/0600 VIS GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): VRB 3/4 VEER SECTOR N 4/5 BY 26/0000
VIS GOOD
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): VRB 3 BACK SECTOR N 5 BY 25/1800 BACK
SECTOR W WITH GUSTS BY 26/0600 VIS GOOD
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 5 VEER SECTOR N 5/6 WITH GUSTS BY
26/0000 BACK SECTOR W 6/7 WITH GUSTS BY 26/0600 VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY
26/0300 DECR 7/6 WITH GUSTS BY 26/1200 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER
VIS VERY POOR TO POOR
ISLAS MALVINAS COASTS: SECTOR W 6/7 WITH GUSTS DECR 5 WITH GUSTS BY 25/2100 INCR
6 BY 26/0900 WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: NW 5/7 GUST WITH 8 INTENSITY BACK
SECTOR W 7/6 WITH GUSTS BY 26/0600 PROB OF ISOL RAIN STORMS IMPR TOWARDS THE END
OF THE PERIOD VIS POOR
REST OF THE AREA: SECTOR W 8/7 WITH GUSTS DECR 7/6 WITH GUSTS BY 25/2100 DECR
5/4 WITH GUSTS BY 26/0600 PROB OF ISOL RAIN IMPR STARTING EVENING VIS VERY POOR
TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): NW 8 WITH GUSTS BACK SECTOR S 6/7
GUST WITH 8 INTENSITY BY 26/0300 PROB OF RAIN STORMS VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 7/8 WITH GUSTS BACK
SECTOR S 5/6 WITH GUSTS BY 26/0000 VEER SECTOR W 5 WITH GUSTS BY 26/0900 PROB OF
SH RAIN IMPR STARTING EVENING VIS VERY POOR TO MODERATE
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SECTOR W WITH GUSTS BY 26/0000
VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 9 WITH GUSTS DECR 7/6 WITH
GUSTS BY 25/2100 PROB OF SH OF SNOW DURING THE MORNING VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 6/5 WITH GUSTS VEER
SECTOR W 5/6 WITH GUSTS BY 26/0900 WORSENING TOWARDS THE END OF THE PERIOD VIS
POOR TO MODERATE
REST OF THE AREA: VRB 3/4 VEER SECTOR W 5/6 WITH GUSTS BY 25/2100 INCR 6/7 WITH
GUSTS BY 26/0900 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS GOOD
TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY
26/0300 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO VERY POOR
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