####018004495####
WWST02 SABM 161200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2025-05-16, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 192: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SECTOR W

WITH GUST BETWEEN 50S-57S AND 40W-60W UNTIL 17/0300

WARNING 191: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST BETWEEN 50S-60S AND 20W-40W UNTIL 17/1200





PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 1008HPA 45S 50W MOV E WKN EXTENDS STATIONARY FRONT AT 38S 58W 40S 54W 44S

50W

LOW 980HPA 56S 52W MOV E WKN

HIGH 1030HPA 35S 31W MOV NE NC EXP 33S 29W BY 17/1200

STRONG BARIC GRADIENT 50S 57W 40S 60W MOV E

STRONG BARIC GRADIENT 50S 60W 20S 40W MOV E

151400 UTC 1.SEA ICE LIMIT 6223S 02000W 6223S 02624W 6312S 03152W 6310S 03503W

6124S 03927W 6200S 04434W 6051S 04807W 6143S 05249W 6247S 05604W 6333S 06045W

6510S 06523W 6207S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5449S 03902W 40X32NM

A76C 6056S 04822W 16X7NM A74A 6035S 05155W 30X18NM A77 6352S 05422W 27X4NM A23C

5420S 03413W 10X5NM 3.ICEBERGS SMALLER THAN 10NM A80A 6125S 05244W 8X5NM

ICEBERG1 6102S 05055W 9X3NM ICEBERG2 5525S 03543W 2X1NM ICEBERG3 6132S 03735W

3X1NM ICEBERG4 5249S 03450W 4X1NM ICEBERG5 5517S 03401W 3X1NM ICEBERG6 5651S

03457W 4X1NM ICEBERG7 5503S 03720W 2X1NM ICEBERG8 5255S 03708W 6X2NM ICEBERG9

6040S 04845W 6X5NM ICEBERG10 6120S 04846W 3X1NM ICEBERG11 6327S 05358W 4X2NM

ICEBERG12 5211S 03755W 2X1NM ICEBERG13 6122S 04900W 2X1NM ICEBERG14 5208S 03740W

3X1NM ICEBERG15 6313S 05348W 3X1NM 4.ICEBERGS AREA A: 6235S 02000W 4800S 02000W

4900S 03500W 6230S 03600W B: 6230S 03600W 5000S 03400W 5000S 04500W 6120S 04900W

C: 6120S 04900W 5400S 04700W 5500S 06716W 6500S 06716W





PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-05-17

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR N 3 PROB OF STORMS VIS MODERATE OCNL POOR

OUTER RIO DE LA PLATA: SECTOR N 3/4 WITH GUSTS PROB OF STORMS VIS MODERATE OCNL

POOR

URUGUAY SOUTH EAST COASTS: SECTOR N 3/4 WITH GUSTS PROB OF ISOL RAIN VIS

MODERATE OCNL GOOD

MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 3/4 WITH GUSTS PROB OF STORMS

PROB OF FOG TOWARDS EVENING VIS MODERATE TO POOR

RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR N 3/5 WITH GUSTS PROB OF RAIN

STARTING NIGTH MIST DURING THE EVENING VIS POOR TO MODERATE

PENINSULA DE VALDES COASTS(41ºS - 45ºS): SECTOR N 5/6 WITH GUSTS PROB OF RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR N 5/6 WITH GUSTS PROB OF RAIN VIS

MODERATE TO POOR

SOUTH PATAGONIA COASTS(48ºS - 54ºS): NW 5 WITH GUSTS BACK BY 16/1500 PROB OF

RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR

FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 7/4 WITH GUSTS BACK SECTOR S BY

17/0300 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS POOR TO MODERATE

ISLAS MALVINAS COASTS: SECTOR N 6/5 WITH GUSTS BACK SECTOR S 4 WITH GUSTS BY

17/0000 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: NW 5 WITH GUSTS PROB OF ISOL RAIN

VIS MODERATE

 REST OF THE AREA: SECTOR N 5/4 WITH GUSTS PROB OF SH STORMS VIS MODERATE OCNL

POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) S OF 45S: SECTOR W 7 WITH GUSTS PROB

OF ISOL RAIN TOWARDS THE END OF THE PERIOD IMPR VIS POOR OCNL MODERATE

 REST OF THE AREA: SECTOR W 5 WITH GUSTS PROB OF SH TOWARDS NIGTH VIS GOOD TO

MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50W: SECTOR N 4/6 WITH GUSTS PROB

OF STORMS SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE

 REST OF THE AREA: NW 5 WITH GUSTS BACK NE 6 WITH GUSTS BY 16/1500 PROB OF

STORMS SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 8/7 WITH GUSTS PROB OF RAIN

AND SNOW MIXTURE SNOW FALL VIS VERY POOR TO POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 57S: SECTOR W 9 WITH GUSTS VEER

SECTOR N 6 WITH GUSTS BY 17/0000 PROB OF ISOL RAIN VIS VERY POOR TO MODERATE

 REST OF THE AREA: SECTOR S 5 WITH GUSTS BACK SECTOR W BY 16/1500 PROB OF RAIN

AND SNOW MIXTURE SNOW FALL VIS MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/4 WITH GUSTS PROB OF RAIN AND

SNOW MIXTURE SNOW FALL VIS POOR OCNL MODERATE

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####018004665####
WWST01 SABM 161200

1:31:06:01:00

SEGURIDAD

BOLETIN METEOROLOGICO PARA NAVEGANTES - METAREA 6 -

16-05-2025, 12:00 UTC.

SERVICIO METEOROLOGICO NACIONAL

INFORMACION DE HIELOS MARINOS Y TEMPANOS SUMINISTRADA POR EL SHN,

PRESION EN HPA, ESCALA BEAUFORT PARA VIENTO.

1 PARTE AVISO DE TEMPORAL:

AVISO 192: FUERTE GRADIENTE BARICO MOV E PROVOCA VIENTO FUERZA 9 DEL SECTOR W

CON RAFAGAS EN 50S-57S 40W-60W HASTA EL 17/0300

AVISO 191: FUERTE GRADIENTE BARICO MOV E PROVOCA VIENTO FUERZA 8 DEL SECTOR W

CON RAFAGAS EN 50S-60S 20W-40W HASTA EL 17/1200





2 PARTE SINOPSIS GENERAL A LAS 09:00UTC

DEPRESION 1008HPA 45S 50W MOV E WKN EXTIENDE FRENTE ESTACIONARIO EN 38S 58W 40S

54W 44S 50W

DEPRESION 980HPA 56S 52W MOV E WKN

ANTICICLON 1030HPA 35S 31W MOV NE NC EXP 33S 29W EL 17/1200

FUERTE GRADIENTE BARICO 50S 57W 40S 60W MOV E

FUERTE GRADIENTE BARICO 50S 60W 20S 40W MOV E

151400 UTC 1.LIMITE DE HIELO MARINO 6223S 02000W 6223S 02624W 6312S 03152W 6310S

03503W 6124S 03927W 6200S 04434W 6051S 04807W 6143S 05249W 6247S 05604W 6333S

06045W 6510S 06523W 6207S 06716W 2.TEMPANOS MAYORES A 10MN A23A 5449S 03902W

40X32MN A76C 6056S 04822W 16X7MN A74A 6035S 05155W 30X18MN A77 6352S 05422W

27X4MN A23C 5420S 03413W 10X5MN 3.TEMPANOS MENORES A 10MN A80A 6125S 05244W

8X5MN ICEBERG1 6102S 05055W 9X3MN TEMPANO2 5525S 03543W 2X1MN TEMPANO3 6132S

03735W 3X1MN TEMPANO4 5249S 03450W 4X1MN TEMPANO5 5517S 03401W 3X1MN TEMPANO6

5651S 03457W 4X1MN TEMPANO7 5503S 03720W 2X1MN TEMPANO8 5255S 03708W 6X2MN

TEMPANO9 6040S 04845W 6X5MN TEMPANO10 6120S 04846W 3X1MN TEMPANO11 6327S 05358W

4X2MN TEMPANO12 5211S 03755W 2X1MN TEMPANO13 6122S 04900W 2X1MN TEMPANO14 5208S

03740W 3X1MN TEMPANO15 6313S 05348W 3X1MN 4.AREA DE TEMPANOS A: 6235S 02000W

4800S 02000W 4900S 03500W 6230S 03600W B: 6230S 03600W 5000S 03400W 5000S 04500W

6120S 04900W C: 6120S 04900W 5400S 04700W 5500S 06716W 6500S 06716W





3 PARTE PRONOSTICO DE LAS 12:00 UTC VALIDO HASTA LAS 12:00 UTC DEL DIA

17-05-2025

ZONAS COSTERAS:

RIO DE LA PLATA INTERIOR: SECTOR N 3 PROB DE TORMENTAS VIS REGULAR OCNL MALA

RIO DE LA PLATA EXTERIOR: SECTOR N 3/4 CON RAFAGAS PROB DE TORMENTAS VIS REGULAR

OCNL MALA

COSTA SUDESTE DEL URUGUAY: SECTOR N 3/4 CON RAFAGAS PROB DE LLUVIAS AISLADAS VIS

REGULAR OCNL BUENA

COSTA MAR DEL PLATA(36º17S - 38º30S): SECTOR N 3/4 CON RAFAGAS PROB DE TORMENTAS

PROB DE NIEBLAS HACIA LA TARDE VIS REGULAR A MALA

RINCON BAHIA BLANCA(38º30S - 41ºS): SECTOR N 3/5 CON RAFAGAS PROB DE LLUVIAS A

PARTIR DE LA NOCHE NEBLINAS HASTA LA TARDE VIS MALA A REGULAR

COSTA PENINSULA DE VALDES(41ºS - 45ºS): SECTOR N 5/6 CON RAFAGAS PROB DE LLUVIAS

HACIA EL FINAL DEL PERIODO VIS BUENA A REGULAR

GOLFO DE SAN JORGE(45ºS - 48ºS): SECTOR N 5/6 CON RAFAGAS PROB DE LLUVIAS VIS

REGULAR A MALA

COSTA PATAGONIA SUR(48ºS - 54ºS): NW 5 CON RAFAGAS BACK EL 16/1500 PROB DE

LLUVIAS HACIA EL FINAL DEL PERIODO VIS BUENA A MALA

COSTA FIN DEL MUNDO(54ºS - 55ºS): SECTOR W 7/4 CON RAFAGAS BACK SECTOR S EL

17/0300 PROB DE LLUVIAS AISLADAS MEJORAMIENTOS TEMPORARIOS VIS MALA A REGULAR

COSTA DE ISLAS MALVINAS: SECTOR N 6/5 CON RAFAGAS BACK SECTOR S 4 CON RAFAGAS EL

17/0000 PROB DE LLUVIAS AISLADAS HACIA EL FINAL DEL PERIODO VIS REGULAR OCNL

BUENA



AREAS OCEANICAS:

AREA NORTE (35S- 40S Y 20W- 55W) E DE 40W: NW 5 CON RAFAGAS PROB DE LLUVIAS

AISLADAS VIS REGULAR

 RESTO DEL AREA: SECTOR N 5/4 CON RAFAGAS PROB DE SH TORMENTAS VIS REGULAR OCNL

MALA

AREA CENTRO ESTE (40S- 50S Y 20W- 40W) S DE 45S: SECTOR W 7 CON RAFAGAS PROB DE

LLUVIAS AISLADAS HACIA EL FINAL DEL PERIODO MEJORANDO VIS MALA OCNL REGULAR

 RESTO DEL AREA: SECTOR W 5 CON RAFAGAS PROB DE SH HACIA LA NOCHE VIS BUENA A

REGULAR

AREA CENTRO OESTE (40S- 50S Y 40W- 60W) W DE 50W: SECTOR N 4/6 CON RAFAGAS PROB

DE TORMENTAS MEJORAMIENTOS TEMPORARIOS VIS MALA OCNL REGULAR

 RESTO DEL AREA: NW 5 CON RAFAGAS BACK NE 6 CON RAFAGAS EL 16/1500 PROB DE

TORMENTAS MEJORAMIENTOS TEMPORARIOS VIS MALA OCNL REGULAR

AREA SUDESTE (50S- 60S Y 20W- 40W): SECTOR W 8/7 CON RAFAGAS PROB DE LLUVIA Y

NIEVE MEZCLADA NEVADAS VIS MUY MALA A MALA

AREA SUDOESTE (50S- 60S Y 40W- 60W) N DE 57S: SECTOR W 9 CON RAFAGAS VEER SECTOR

N 6 CON RAFAGAS EL 17/0000 PROB DE LLUVIAS AISLADAS VIS MUY MALA A REGULAR

 RESTO DEL AREA: SECTOR S 5 CON RAFAGAS BACK SECTOR W EL 16/1500 PROB DE LLUVIA

Y NIEVE MEZCLADA NEVADAS VIS REGULAR OCNL MALA

AREA PASAJE DE DRAKE (55S- 60S Y 60W- 67W): SECTOR W 7/4 CON RAFAGAS PROB DE

LLUVIA Y NIEVE MEZCLADA NEVADAS VIS MALA OCNL REGULAR



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####018001119####
WWST03 SABM 161200

WEATHER BULLETIN FOR NAVTEX STATIONS - METAREA 6 -

MAY 16, 12:00UTC

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.









NO WARNINGS



GENERAL SINOPSIS:

LOW 1008HPA 45S 50W MOV E WKN EXTENDS STATIONARY FRONT AT 38S 58W 40S 54W 44S

50W

FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-05-17

NAVTEX STATIONS FCST:

BUENOS AIRES:  SECTOR N 3 PROB OF STORMS VIS MODERATE OCNL POOR

BAHIA BLANCA:    SECTOR N 3/5 WITH GUSTS PROB OF RAIN STARTING NIGTH MIST DURING

THE EVENING VIS POOR TO MODERATE.

MAR DEL PLATA:    SECTOR N 3/4 WITH GUSTS PROB OF STORMS PROB OF FOG TOWARDS

EVENING VIS MODERATE TO POOR.

COMODORO RIVADAVIA:    SECTOR N 5/6 WITH GUSTS PROB OF RAIN VIS MODERATE TO

POOR.

RIO GALLEGOS:    NW 5 WITH GUSTS BACK BY 16/1500 PROB OF RAIN TOWARDS THE END OF

THE PERIOD VIS GOOD TO POOR.

USHUAIA:    SECTOR W 7/4 WITH GUSTS BACK SECTOR S BY 17/0300 PROB OF ISOL RAIN

SPELLS OF GOOD WEATHER VIS POOR TO MODERATE.



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