977
WWST02 SABM 041200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-06-04, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 231: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH PATAGONIA COASTS FROM 05/0000
WARNING 230: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 40S-50S 50W-60W FROM 05/0000
WARNING 229: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 40S-50S AND 40W-50W FROM 04/2100
WARNING 228: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN
PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS
WARNING 227: LOW 981HPA AT 50S 22W MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 40S-50S AND 20W-30W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 981HPA 50S 22W MOV E WKN EXTENDS OFNT AT 48S 23W 52S 22W 52S 20W MOV E
RIDGE 35S 35W 45S 38W 57S 37W MOV E NC EXP 40S 25W 50S 28W 60S 25W BY 05/0900
LOW 982HPA 52S 56W MOV SE WKN EXTENDS CFNT AT 53S 53W 45S 57W 39S 64W MOV NE
ASOCIATED WITH OFNT AT 53S 53W 54S 57W 52S 59W
STRONG BARIC GRADIENT IN PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS
SOUTH PATAGONIA COASTS MOV E
041400 UTC 1.SEA ICE LIMIT 6557S 02000W 5952S 02457W 5951S 03002W 5939S 03458W
5920S 03914W 5958S 04339W 6008S 04822W 5916S 05120W 6049S 05448W 6148S 05912W
6329S 06315W 6517S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5513S 03754W 40X32NM
A76C 6036S 04815W 16X7NM A74A 5901S 05015W 30X18NM 3.ICEBERGS SMALLER THAN 10NM
A23C 5356S 03421W 6X3NM A80A 6140S 05336W 8X5NM ICEBERG1 6200S 05414W 9X3NM
ICEBERG2 5336S 03311W 3X1NM ICEBERG3 5630S 03427W 4X1NM ICEBERG4 5205S 03756W
6X2NM ICEBERG5 6059S 04806W 6X3NM ICEBERG6 5248S 03627W 4X1NM ICEBERG7 5230S
03650W 3X1NM ICEBERG8 5353S 03423W 3X1NM ICEBERG9 5557S 03615W 5X3NM ICEBERG10
5401S 03414W 4X3NM ICEBERG11 5348S 03444W 2X1NM 4.ICEBERGS AREA A:5940S 02000W
5220S 02000W 5100S 02800W 5520S 03000W 6030S 03000W B:6030S 03000W 5500S 03000W
5200S 03700W 5200S 04100W 6000S 04100W C:6000S 04100W 5800S 04100W 5500S 05000W
6526S 06716W 6635S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-06-5
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR S BY 04/1500 MIST FOG PATCHES
DISSIPATING VIS POOR TO GOOD
OUTER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR S 4/5 WITH GUSTS MIST FOG PATCHES
DISSIPATING VIS POOR TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3 BACK SECTOR S 4/5 WITH GUSTS MIST FOG
PATCHES DISSIPATING VIS POOR TO GOOD
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 4/3 BACK SW 6/5 WITH GUSTS BY
04/1800 PROB OF ISOL RAIN NXT SH VIS MODERATE OCNL GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR W 4 BACK SW 6/7 WITH GUSTS BY
04/1500 DECR PROB OF SH IMPR VIS POOR TO GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): SW 8/6 WITH GUSTS VEER SECTOR W 5 WITH
GUSTS PROB OF SH IMPR VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SW 8/7 WITH GUSTS VEER SECTOR W 7 WITH
GUSTS PROB OF SH RAIN AND SNOW MIXTURE IMPR VIS POOR TO MODERATE
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SW 8/7 WITH GUSTS VEER SECTOR W 7/8 WITH
GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SW 7 WITH GUSTS PROB OF SH RAIN AND SNOW
MIXTURE VIS POOR
ISLAS MALVINAS COASTS: SW 7 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS
POOR.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SW 7/5 WITH GUSTS PROB OF SH IMPR
VIS POOR TO GOOD
W OF 30W - E OF 40W: VRB 3 VEER SECTOR N 5/6 WITH GUSTS WORSENING TOWARDS THE
END OF THE PERIOD VIS GOOD TO POOR
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS BACK SW 7 WITH GUSTS PROB OF SH RAIN
VIS POOR OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 8/5 WITH GUSTS PROB
OF SH IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER SECTOR N 6/7 WITH GUSTS PROB OF
ISOL RAIN NXT RAIN STORMS TOWARDS THE END OF THE PERIOD VIS POOR OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 7/8 WITH GUSTS BACK
SECTOR W 8 WITH GUSTS PROB OF SH RAIN VIS POOR
REST OF THE AREA: SECTOR N 7/6 WITH GUSTS BACK SECTOR W 7/8 WITH GUSTS BY
5/0000 PROB OF RAIN STORMS NXT SH RAIN AND SNOW MIXTURE VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) NE OF THE REGION: SECTOR E 7 WITH GUSTS
VEER SECTOR S WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR
SE OF THE REGION: SECTOR E 7/6 WITH GUSTS BACK SECTOR N 6 WITH GUSTS PROB OF
RAIN SNOW FALL VIS POOR
REST OF THE AREA: VRB 5 VEER SECTOR N 6/7 WITH GUSTS PROB OF SNOW FALL VIS
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) NE OF THE REGION: SECTOR N 6/7 WITH
GUSTS BACK SECTOR W 7 WITH GUSTS PROB OF RAIN NXT SNOW FALL VIS POOR
SE OF THE REGION: SECTOR E 5/7 WITH GUSTS BACK SECTOR N 6 WITH GUSTS PROB OF
RAIN NXT SNOW FALL VIS POOR
NW OF THE REGION: SECTOR W 6/7 WITH GUSTS PROB OF SNOW FALL VIS POOR
REST OF THE AREA: SECTOR E 5 WITH GUSTS VEER SW 6/7 WITH GUSTS PROB OF SNOW
FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 5/6 WITH GUSTS PROB OF SH OF SNOW VIS
POOR
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