622
WWST02 SABM 250000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-08-25, 00:00 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 ON 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 ON MOV E PROVOKES WINDS FORCE 9 FROM SECTOR W
WITH GUST BETWEEN 40S-45S 20W-60W
WARNING 350: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN NORTH AREA (35S- 40S AND 20W- 55W)
WARNING 349: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 9 FROM SECTOR W
WITH GUST BETWEEN 45S-60S AND 20W-40W
WARNING 348: STRONG BARIC GRADIENT ON MOV NE PROVOKES WINDS FORCE 8 FROM SW WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE
AREA (55S- 60S AND 60W- 67W) UNTIL 25/0900
WARNING 345: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-60S AND 40W-50W UNTIL 25/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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 939HPA 58S 34W MOV E WKN
LOW 987HPA 46S 52W MOV SE WKN EXTENDS CFNT AT 45S 52W 41S 53W 39S 60W MOV NE
LOW 987HPA 56S 65W MOV NE WKN EXP 53S 57W BY 25/1200
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-08-26
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 5/6 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY 25/1200
DECR 4/3 BY 25/1500 VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: NW 5/6 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY 25/1200
DECR 4/3 BY 25/1500 VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NW 5/6 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY
25/1200 DECR 4/3 BY 25/1500 VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(36º17S - 38º30S): NW 7/6 GUST WITH 8 INTENSITY BACK SECTOR
W 6/5 WITH GUSTS BY 25/0900 BACK SW 4/3 BY 25/1500 VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR W 6/5 WITH GUSTS DECR 4 BY
25/0600 BACK VRB 4/3 BY 25/1500 VIS GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): SW 5/4 WITH GUSTS BACK VRB 4/3 BY
25/0900 BACK SECTOR N 4/5 WITH GUSTS BY 25/2100 PROB OF FOG MIST TOWARDS THE END
OF THE PERIOD VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SW 6/5 WITH GUSTS DECR 4 WITH GUSTS BY
25/1500 VEER SECTOR N 4/5 WITH GUSTS BY 25/1800 VIS MODERATE OCNL GOOD
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY
25/0900 VEER SECTOR N 5 WITH GUSTS BY 25/1800 PROB OF ISOL RAIN TOWARDS THE END
OF THE PERIOD VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54ºS - 55ºS): SW 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY
25/0900 VEER NW 5/6 WITH GUSTS BY 25/1800 PROB OF RAIN SNOW FALL VIS MODERATE
OCNL POOR
ISLAS MALVINAS COASTS: SW 8/7 WITH GUSTS DECR 7/6 GUST WITH 8 INTENSITY BY
25/0900 VEER NW 6/5 WITH GUSTS BY 25/2100 PROB OF RAIN SNOW FALL VIS MODERATE
OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 5/6 WITH GUSTS INCR 6/7 GUST
WITH 8 INTENSITY BY 25/2100 PROB OF RAIN STORMS VIS MODERATE OCNL POOR
E OF 50 - W OF 30W: NW 7/8 WITH GUSTS BACK SECTOR W 7/8 WITH GUSTS BY 25/1200
PROB OF SH RAIN VIS POOR
REST OF THE AREA: NW 8/7 WITH GUSTS BACK SECTOR W 7/8 WITH GUSTS BY 25/0900
BACK SW 6/5 WITH GUSTS BY 25/2100 PROB OF RAIN STORMS IMPR TOWARDS THE END OF
THE PERIOD VIS POOR TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 9/8 WITH GUSTS DECR 8/7
WITH GUSTS BY 25/0900 PROB OF RAIN STORMS VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 9/8 WITH GUSTS VEER NW 8/7 WITH GUSTS BY 25/1200
PROB OF RAIN STORMS VIS POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: NW 8/7 WITH GUSTS BACK
SECTOR W 8/7 WITH GUSTS BY 25/0900 PROB OF RAIN STORMS IMPR TOWARDS THE END OF
THE PERIOD VIS POOR
W OF 50 - S OF 45S: SW 7 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY 25/1200
PROB OF RAIN STORMS IMPR STARTING EARLY MORNING VIS POOR TO MODERATE
REST OF THE AREA: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SW 6/5 WITH GUSTS BY
25/1800 PROB OF RAIN STORMS VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 9/8 WITH GUSTS PROB
OF RAIN SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR OCNL POOR
REST OF THE AREA: SECTOR W 9/8 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 25/1500
PROB OF RAIN SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 8/7 WITH GUSTS DECR 6/5
WITH GUSTS BY 25/0300 PROB OF RAIN SNOW FALL IMPR STARTING EARLY MORNING VIS
POOR TO MODERATE
REST OF THE AREA: SECTOR S 4 BACK NW 5/6 WITH GUSTS BY 25/2100 PROB OF ISOL
RAIN SNOW FALL VIS MODERATE OCNL GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SW 8/7 WITH GUSTS VEER NW 5/6 WITH GUSTS BY
25/0900 PROB OF RAIN SNOW FALL VIS POOR TO MODERATE
-----------------------------------------------------------------
NNNN=
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page