####018001651####
WWST03 SABM 271200

WEATHER BULLETIN FOR NAVTEX STATIONS - METAREA 6 -

APRIL 27, 12:00UTC

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS.



GALE WARNING:



WARNING 200: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS UNTIL 27/0000



WARNING 201: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 9 FROM SW WITH GUST

IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS

MALVINAS COASTS FROM 28/0000



GENERAL SINOPSIS:



LOW 965HPA 59S 54W MOV SE WKN EXTENDS CFNT AT 59S 54W 44S 44W MOV SE



FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-04-28

NAVTEX STATIONS FCST:



BUENOS AIRES: SECTOR S 3/4 VEER SECTOR W BY 28/0600 VIS GOOD



BAHIA BLANCA: SECTOR W 6/7 WITH GUSTS DECR 6/5 BY 27/2100 INCR 6/7 WITH GUSTS BY

28/0600 VIS MODERATE OCNL POOR.



MAR DEL PLATA: SECTOR W 5/6 WITH GUSTS VIS MODERATE.



COMODORO RIVADAVIA: SECTOR W 6/7 GUST WITH 8 INTENSITY INCR 8 GUST WITH 9

INTENSITY BY 28/0000 DECR 6/5 BY 28/0900 PROB OF SH DURING THE MORNING NXT PROB

OF SH STARTING NIGTH VIS VERY POOR.



RIO GALLEGOS: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SW 8/9 WITH GUSTS BY

28/0000 DECR 7/6 BY 28/1200 PROB OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD

VIS VERY POOR.



USHUAIA: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SW 7/8 GUST WITH 9 INTENSITY BY

28/0000 DECR 7/6 BY 28/1200 PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END

OF THE PERIOD VIS VERY POOR.

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####018005038####
WWST01 SABM 271200

1:31:06:01:00

SEGURIDAD

BOLETIN METEOROLOGICO PARA NAVEGANTES - METAREA 6 -

27-04-2024, 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 201: FUERTE GRADIENTE BARICO PROVOCARA VIENTO FUERZA 9 DEL SW CON RAFAGAS

EN GOLFO DE SAN JORGE COSTA PATAGONIA SUR COSTA FIN DEL MUNDO COSTA DE ISLAS

MALVINAS A PARTIR DEL 28/0000

AVISO 200: FUERTE GRADIENTE BARICO MOV E PROVOCA VIENTO FUERZA 8 DEL SECTOR W

CON RAFAGAS EN GOLFO DE SAN JORGE COSTA PATAGONIA SUR HASTA EL 27/0000

AVISO 199: FUERTE GRADIENTE BARICO MOV E PROVOCA VIENTO FUERZA 9 DEL SECTOR N

CON RAFAGAS EN 35S-60S 40W-20W



2 PARTE SINOPSIS GENERAL A LAS 09:00UTC

ANTICICLON 1027HPA 47S 24W MOV SE INTSF EXTIENDE EJE DE CUŅA EN 34S 31W 50S 20W

MOV SE

DEPRESION 999HPA 39S 47W MOV SE DPN EXP 52S 32W EL 28/1200 EXTIENDE CFNT EN 39S

47W 33S 52W MOV SE EXP 52S 35W 45S 32W EL 28/1200

DEPRESION 965HPA 59S 54W MOV SE WKN EXTIENDE CFNT EN 59S 54W 44S 44W MOV SE

DEPRESION 955HPA 60S 70W MOV NE WKN EXP 56S 58W EL 28/1200 EXTIENDE CFNT EN 60S

70W 48S 87W MOV NE EXP 56S 58W 49S 62W EL 28/1200

271400 UTC 1.LIMITE DE HIELO MARINO 6654S 02000W 6539S 02620W 6518S 03346W 6327S

03819W 6122S 03746W 6106S 04207W 6107S 04807W 6034S 05030W 6137S 05305W 6253S

05806W 6358S 06400W 6525S 06716W 2.ICEBERGS GREATER THAN 10NM 2.TEMPANOS MAYORES

A 10MN A23A 5905S 04443W 40X32MN D28A 5144S 02456W 16X13MN A78 5805S 02610W

18X4MN D29C 5356S 03027W 12X5MN D31 5622S 03004W 10X3MN D20A 6143S 04238W 13X6MN

A74B 6211S 05413W 11X5MN 3.TEMPANOS MENORES A 10MN TEMPANO1 5816S 02037W 5X2MN

TEMPANO2 6106S 03615W 10X1MN TEMPANO3 5936S 03609W 5X2MN TEMPANO4 6017S 03859W

4X2MN TEMPANO5 5913S 02315W 4X1MN TEMPANO6 6054S 04051W 4X3MN TEMPANO7 5724S

02606W 4X1MN 4. AREA DE TEMPANOS A: 6740S 02000W 4700S 02000W 4500S 02900W 6430S

02900W B: 6430S 02900W 4800S 02900W 4900S 04400W 6200S 04400W C: 6200S 04400W

5200S 04400W 5900S 06716W 6640S 06716W



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

28-04-2024

ZONAS COSTERAS:

RIO DE LA PLATA INTERIOR: SECTOR S 3/4 VEER SECTOR W EL 28/0600 VIS BUENA

RIO DE LA PLATA EXTERIOR: SECTOR S 4 VEER SECTOR W 4/3 EL 28/0300 VIS BUENA

COSTA SUDESTE DEL URUGUAY: SECTOR S 4/3 VEER SECTOR W EL 28/0300 VIS BUENA

COSTA MAR DEL PLATA(36š17S - 38š30S): SECTOR W 5/6 CON RAFAGAS VIS REGULAR

RINCON BAHIA BLANCA(38š30S - 41šS): SECTOR W 6/7 CON RAFAGAS DECR 6/5 EL 27/2100

INCR 6/7 CON RAFAGAS EL 28/0600 VIS REGULAR OCNL MALA

COSTA PENINSULA DE VALDES(41šS - 45šS): SECTOR W 6/7 CON RAFAGAS DECR 6/5 EL

28/1200 PROB DE SH DURANTE LA MAŅANA LUEGO PROB DE SH A PARTIR DE LA MADRUGADA

VIS MALA

GOLFO DE SAN JORGE(45šS - 48šS): SECTOR W 6/7 RAFAGAS CON INTENSIDAD 8 INCR 8

RAFAGAS CON INTENSIDAD 9 EL 28/0000 DECR 6/5 EL 28/0900 PROB DE SH DURANTE LA

MAŅANA LUEGO PROB DE SH A PARTIR DE LA NOCHE VIS MUY MALA

COSTA PATAGONIA SUR(48šS - 54šS): SECTOR W 6/7 RAFAGAS CON INTENSIDAD 8 BACK SW

8/9 CON RAFAGAS EL 28/0000 DECR 7/6 EL 28/1200 PROB DE SH LLUVIAS MEJORANDO

HACIA EL FINAL DEL PERIODO VIS MUY MALA

COSTA FIN DEL MUNDO(54šS - 55šS): SECTOR W 6/7 RAFAGAS CON INTENSIDAD 8 BACK SW

7/8 RAFAGAS CON INTENSIDAD 9 EL 28/0000 DECR 7/6 EL 28/1200 PROB DE LLUVIA Y

NIEVE MEZCLADA MEJORANDO HACIA EL FINAL DEL PERIODO VIS MUY MALA

COSTA DE ISLAS MALVINAS: SECTOR W 5/6 CON RAFAGAS INCR 6/7 RAFAGAS CON

INTENSIDAD 8 EL 28/0300 PROB DE LLUVIAS NEVADAS VIS MUY MALA



AREAS OCEANICAS:

AREA NORTE (35S- 40S Y 20W- 55W) E DE 40W: SECTOR N 6/7 RAFAGAS CON INTENSIDAD 8

INCR 9 CON RAFAGAS EL 27/2100 PROB DE LLUVIAS TORMENTAS A PARTIR DEL MEDIODIA

VIS MALA A MUY MALA

 RESTO DEL AREA: SECTOR W 5/6 CON RAFAGAS PROB DE LLUVIAS TORMENTAS MEJORANDO A

PARTIR DEL MEDIODIA VIS MUY MALA A MALA

AREA CENTRO ESTE (40S- 50S Y 20W- 40W): SECTOR N 7/8 CON RAFAGAS INCR 9 CON

RAFAGAS EL 27/1800 PROB DE LLUVIAS TORMENTAS VIS MUY MALA

AREA CENTRO OESTE (40S- 50S Y 40W- 60W): SECTOR W 6/7 CON RAFAGAS PROB DE

LLUVIAS TORMENTAS MEJORANDO A PARTIR DE LA TARDE PROB DE SH VIS MUY MALA A

MALA

AREA SUDESTE (50S- 60S Y 20W- 40W): SECTOR N 6/7 CON RAFAGAS INCR 7/9 CON

RAFAGAS EL 27/2100 PROB DE LLUVIAS A PARTIR DEL MEDIODIA VIS MUY MALA

AREA SUDOESTE (50S- 60S Y 40W- 60W) E DE 50W: SECTOR N 5/6 CON RAFAGAS PROB DE

LLUVIAS VIS MALA

 W DE 50 - N DE 55S: SECTOR N 5/6 CON RAFAGAS BACK SECTOR W EL 27/1800 VEER NW

6/7 CON RAFAGAS EL 28/0000 PROB DE SH LLUVIAS MEJORAMIENTOS TEMPORARIOS VIS

MALA

 RESTO DEL AREA: SECTOR N 5 BACK VRB 4 EL 27/2100 PROB DE LLUVIAS NEVADAS

MEJORAMIENTOS TEMPORARIOS VIS REGULAR OCNL MALA

AREA PASAJE DE DRAKE (55S- 60S Y 60W- 67W): SECTOR N 5/6 CON RAFAGAS BACK VRB

3/4 EL 27/2100 VEER SW 5/6 CON RAFAGAS EL 28/0600 PROB DE LLUVIAS NEVADAS VIS

REGULAR A MALA



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####018004785####
WWST02 SABM 271200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2024-04-27, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.



PART 1 GALE WARNING:

WARNING 201: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 9 FROM SW WITH GUST

IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS

MALVINAS COASTS FROM 28/0000

WARNING 200: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS UNTIL 27/0000

WARNING 199: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SECTOR N

WITH GUST BETWEEN 35S-60S AND 40W-20W



PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 1027HPA 47S 24W MOV SE INTSF EXTENDS RIDGE AT 34S 31W 50S 20W MOV SE

LOW 999HPA 39S 47W MOV SE DPN EXP 52S 32W BY 28/1200 EXTENDS CFNT AT 39S 47W 33S

52W MOV SE EXP 52S 35W 45S 32W BY 28/1200

LOW 965HPA 59S 54W MOV SE WKN EXTENDS CFNT AT 59S 54W 44S 44W MOV SE

LOW 955HPA 60S 70W MOV NE WKN EXP 56S 58W BY 28/1200 EXTENDS CFNT AT 60S 70W 48S

87W MOV NE EXP 56S 58W 49S 62W BY 28/1200

271400 UTC 1.SEA ICE LIMIT 6654S 02000W 6539S 02620W 6518S 03346W 6327S 03819W

6122S 03746W 6106S 04207W 6107S 04807W 6034S 05030W 6137S 05305W 6253S 05806W

6358S 06400W 6525S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5905S 04443W 40X32NM

D28A 5144S 02456W 16X13NM A78 5805S 02610W 18X4NM D29C 5356S 03027W 12X5NM D31

5622S 03004W 10X3NM D20A 6143S 04238W 13X6NM A74B 6211S 05413W 11X5NM 3.ICEBERGS

SMALLER THAN 10NM ICEBERG1 5816S 02037W 5X2NM ICEBERG2 6106S 03615W 10X1NM

ICEBERG3 5936S 03609W 5X2NM ICEBERG4 6017S 03859W 4X2NM ICEBERG5 5913S 02315W

4X1NM ICEBERG6 6054S 04051W 4X3NM ICEBERG7 5724S 02606W 4X1NM 4.ICEBERGS AREA A:

6740S 02000W 4700S 02000W 4500S 02900W 6430S 02900W B: 6430S 02900W 4800S 02900W

4900S 04400W 6200S 04400W C: 6200S 04400W 5200S 04400W 5900S 06716W 6640S

06716W



PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-04-28

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3/4 VEER SECTOR W BY 28/0600 VIS GOOD

OUTER RIO DE LA PLATA: SECTOR S 4 VEER SECTOR W 4/3 BY 28/0300 VIS GOOD

URUGUAY SOUTH EAST COASTS: SECTOR S 4/3 VEER SECTOR W BY 28/0300 VIS GOOD

MAR DEL PLATA COASTS(36š17S - 38š30S): SECTOR W 5/6 WITH GUSTS VIS MODERATE

RINCON BAHIA BLANCA COASTS(38š30S - 41šS): SECTOR W 6/7 WITH GUSTS DECR 6/5 BY

27/2100 INCR 6/7 WITH GUSTS BY 28/0600 VIS MODERATE OCNL POOR

PENINSULA DE VALDES COASTS(41šS - 45šS): SECTOR W 6/7 WITH GUSTS DECR 6/5 BY

28/1200 PROB OF SH DURING THE MORNING NXT PROB OF SH STARTING EARLY MORNING VIS

POOR

GOLFO DE SAN JORGE COASTS(45šS - 48šS): SECTOR W 6/7 GUST WITH 8 INTENSITY INCR

8 GUST WITH 9 INTENSITY BY 28/0000 DECR 6/5 BY 28/0900 PROB OF SH DURING THE

MORNING NXT PROB OF SH STARTING NIGTH VIS VERY POOR

SOUTH PATAGONIA COASTS(48šS - 54šS): SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SW

8/9 WITH GUSTS BY 28/0000 DECR 7/6 BY 28/1200 PROB OF SH RAIN IMPR TOWARDS THE

END OF THE PERIOD VIS VERY POOR

FIN DEL MUNDO COASTS(54šS - 55šS): SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SW

7/8 GUST WITH 9 INTENSITY BY 28/0000 DECR 7/6 BY 28/1200 PROB OF RAIN AND SNOW

MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR

ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS INCR 6/7 GUST WITH 8 INTENSITY BY

28/0300 PROB OF RAIN SNOW FALL VIS VERY POOR



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 6/7 GUST WITH 8 INTENSITY

INCR 9 WITH GUSTS BY 27/2100 PROB OF RAIN STORMS STARTING NOON VIS VERY POOR TO

POOR

 REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF RAIN STORMS IMPR STARTING

NOON VIS VERY POOR TO POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR N 7/8 WITH GUSTS INCR 9 WITH

GUSTS BY 27/1800 PROB OF RAIN STORMS VIS VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS PROB OF RAIN

STORMS IMPR STARTING EVENING PROB OF SH VIS VERY POOR TO POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR N 6/7 WITH GUSTS INCR 7/9 WITH

GUSTS BY 27/2100 PROB OF RAIN STARTING NOON VIS VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR N 5/6 WITH GUSTS PROB

OF RAIN VIS POOR

 W OF 50 - N OF 55S: SECTOR N 5/6 WITH GUSTS BACK SECTOR W BY 27/1800 VEER NW

6/7 WITH GUSTS BY 28/0000 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS POOR

 REST OF THE AREA: SECTOR N 5 BACK VRB 4 BY 27/2100 PROB OF RAIN SNOW FALL

SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/6 WITH GUSTS BACK VRB 3/4 BY

27/2100 VEER SW 5/6 WITH GUSTS BY 28/0600 PROB OF RAIN SNOW FALL VIS MODERATE TO

POOR

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