007
WWST02 SABM 180000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-09-18, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 381: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM NW WITH GUST
BETWEEN 40S-50S 20W-35W UNTIL 18/1800
WARNING 380: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S 50W-60W FROM 18/1200
WARNING 379: LOW 981HPA AT 56S 29W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
NW WITH GUST BETWEEN 50S-60S AND 20W-30W UNTIL 18/0900
WARNING 378: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W)
PART 2 GENERAL SYNOPSIS AT 21:00UTC
171400 UTC 1.SEA ICE LIMIT 55 24S 020 00W 54 40S 023 29W 54 58S 028 57W 55 59S
030 44W 57 23S 034 35W 58 46S 039 16W 59 33S 044 28W 60 19S 048 21W 62 19S 053
44W 63 20S 059 35W 64 13S 063 54W 66 16S 067 16W 2.ICEBERGS GREATER THAN 10NM
A23A 52 40S 037 18W 32X24NM A74A 55 05S 041 46W 27X17NM A77 58 00S 049 15W
27X4NM A76C 59 55S 047 22W 16X7NM B15AB 60 11S 052 39W 11X4NM A23G 53 27S 039
07W 20X8NM A23H 53 17S 037 29W 10X2NM A23I 52 26S 036 53W 19X8NM ICEBERG1 52 31S
040 57W 12X2NM 3.ICEBERGS SMALLER THAN 10NM A23E 51 05S 033 31W 9X4NM ICEBERG2
53 31S 037 37W 3X1NM ICEBERG3 59 01S 050 58W 9X2NM ICEBERG4 54 52S 037 12W 3X1NM
ICEBERG5 49 05S 025 07W 3X2NM ICEBERG6 53 08S 029 15W 3X1NM ICEBERG7 53 32S 038
26W 4X1NM ICEBERG8 57 34S 049 25W 6X4NM ICEBERG9 49 55S 028 30W 2X1NM ICEBERG10
50 47S 033 55W 3X3NM ICEBERG11 59 15S 051 20W 2X1NM ICEBERG12 51 16S 031 47W
3X1NM ICEBERG13 52 59S 036 59W 3X1NM ICEBERG14 53 21S 039 22W 9X4NM ICEBERG15 51
47S 039 23W 3X1NM ICEBERG16 53 22S 037 34W 7X3NM ICEBERG17 52 18S 032 53W 2X1NM
ICEBERG18 50 01S 028 15W 2X1NM ICEBERG19 50 07S 030 23W 3X1NM ICEBERG20 49 54S
028 38W 6X4NM ICEBERG21 53 02S 037 07W 2X1NM ICEBERG22 54 36S 037 30W 2X1NM
ICEBERG23 53 03S 036 54W 2X2NM ICEBERG24 52 40S 036 45W 3X1NM ICEBERG25 56 00S
043 13W 3X1NM 4.ICEBERGS AREA A: 55 47S 020 00W 45 00S 020 00W 48 00S 039 54W 59
17S 040 00W B: 59 17S 040 00W 50 00S 040 00W 51 40S 050 00W 60 47S 049 55W C: 60
47S 049 55W 57 00S 050 36W 63 30S 067 16W 67 00S 067 16W
LOW 981HPA 56S 29W MOV SE DPN EXTENDS CFNT AT 56S 29W 45S 36W 40S 46W MOV E
HIGH 1025HPA 44S 59W MOV NE INTSF
STATIONARY FRONT 39S 50W 39S 56W 39S 62W
HIGH 1029HPA 34S 31W MOV NE NC
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-09-19
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 PROB OF MIST VIS GOOD TO MODERATE
OUTER RIO DE LA PLATA: NE 4 PROB OF MIST VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: NE 4 PROB OF MIST VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR E 3 BACK NE 4 BY 18/0900 PROB OF
MIST VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR E 6 WITH GUSTS BACK NE 4 BY
18/1200 PROB OF HVY STORMS NXT ISOL STORMS VIS VERY POOR TO POOR
PENINSULA DE VALDES COASTS(41ºS - 45ºS): SECTOR E 6/7 WITH GUSTS BACK NE BY
18/1200 PROB OF HVY STORMS NXT ISOL STORMS VIS VERY POOR TO POOR
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR E 3 BACK SECTOR N 4/5 WITH GUSTS
BY 18/0600 PROB OF SH RAIN VIS POOR OCNL VERY POOR
SOUTH PATAGONIA COASTS(48ºS - 54ºS) N OF 50S: SECTOR W 5 VEER SECTOR N 5/6 WITH
GUSTS BY 18/0600 PROB OF RAIN VIS MODERATE
SOUTH PATAGONIA COASTS(48ºS - 54ºS) REST OF THE AREA: SECTOR W 5/6 WITH GUSTS
VIS MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 7/6 GUST WITH 8 INTENSITY PROB OF SH
TOWARDS NIGTH VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: VRB 7/6 GUST WITH 8 INTENSITY LOW PROB OF RAIN VIS
MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 4/5 INCR NW 6/7 GUST WITH
8 INTENSITY BY 18/1200 PROB OF RAIN STORMS STARTING EARLY MORNING VIS GOOD TO
MODERATE OCNL POOR
W OF 50W: VRB 4 VEER SECTOR N 5 WITH GUSTS LOW PROB OF RAIN VIS MODERATE
REST OF THE AREA: NW 6/5 WITH GUSTS BACK SECTOR S 4 BY 18/1200 PROB OF RAIN
STORMS STARTING EARLY MORNING VIS POOR TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 35W: NW 8 BACK SW 5 WITH GUSTS BY
18/1200 PROB OF RAIN STORMS VIS VERY POOR TO MODERATE
REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY BACK SW 6 WITH GUSTS BY
18/0600 PROB OF RAIN STORMS VIS VERY POOR TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SW 5 VIS GOOD
W OF 50 - N OF 45S: VRB 4 PROB OF RAIN STORMS STARTING EVENING VIS GOOD TO
POOR
REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF RAIN VIS MODERATE
OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 8 WITH GUSTS BACK SECTOR W
5 BY 18/0900 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6/7 GUST WITH 8
INTENSITY PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR
E OF 50 - S OF 55S: SECTOR W 6/7 WITH GUSTS LOW PROB OF RAIN AND SNOW MIXTURE
VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 6/7 WITH GUSTS INCR 8 BY 18/1200 PROB OF RAIN AND
SNOW MIXTURE VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS POOR OCNL VERY POOR
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