####018000535####
WWST03 SABM 251200

WEATHER BULLETIN FOR NAVTEX STATIONS - METAREA 6 -

APRIL 25, 12:00UTC

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.









NO WARNINGS



GENERAL SINOPSIS:

NO SIGNIFICATIVE WEATHERFORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC

2024-04-26

NAVTEX STATIONS FCST:

BUENOS AIRES:

BAHIA BLANCA:

MAR DEL PLATA:

COMODORO RIVADAVIA:

RIO GALLEGOS:

USHUAIA:



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####018004442####
WWST01 SABM 251200

1:31:06:01:00

SEGURIDAD

BOLETIN METEOROLOGICO PARA NAVEGANTES - METAREA 6 -

25-04-2024, 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 195: FUERTE GRADIENTE BARICO MOV E PROVOCA VIENTO FUERZA 8 DEL SECTOR S

CON RAFAGAS EN 40S-45S 20W-30W





2 PARTE SINOPSIS GENERAL A LAS 09:00UTC

241400 UTC 1.LIMITE DE HIELO MARINO 6615S 02000W 6525S 02847W 6515S 03644W 6130S

03918W 6140S 04429W 6119S 04841W 6135S 05142W 6238S 05401W 6251S 05616W 6328S

06014W 6406S 06410W 6606S 06716W 2.ICEBERGS GREATER THAN 10NM 2.TEMPANOS MAYORES

A 10MN A23A 5903S 04446W 40X32MN D28A 5156S 02521W 16X13MN A78 5919S 02609W

18X4MN D29C 5407S 03055W 12X5MN D31 5636S 03000W 10X3MN D20A 6149S 04232W 13X6MN

A74B 6222S 05402W 11X5MN 3.TEMPANOS MENORES A 10MN TEMPANO1 5824S 02240W 5X2MN

TEMPANO2 6116S 03642W 10X1MN TEMPANO3 5954S 03623W 5X2MN TEMPANO4 6032S 03910W

4X2MN TEMPANO5 6128S 04658W 4X2MN TEMPANO6 5750S 02341W 4X1MN TEMPANO7 6054S

04051W 4X3MN TEMPANO8 5129S 02916W 3X1MN TEMPANO9 5145S 03041W 4X1MN TEMPANO10

5109S 03036W 3X1MN TEMPANO11 5131S 02900W 4X2MN TEMPANO12 5129S 02901W 5X3MN

TEMPANO13 5140S 02902W 2X1MN TEMPANO14 5756S 02612W 4X1MN TEMPANO15 5853S 02611W

3X2MN TEMPANO16 5148S 02847W 4X1MN 4. AREA DE TEMPANOS A: 7020S 02000W 4700S

02000W 4500S 02900W 6200S 04100W B: 6200S 04100W 4800S 03030W 4900S 04600W 6314S

05716W C: 5600S 05030W 5600S 06100W 5900S 06716W 6900S 06716W

ANTICICLON 1017HPA 36S 53W MOV E INTSF EXP 35S 36W EL 26/1200 EXTIENDE EJE DE

CUÑA EN 41S 48W 44S 46W 50S 42W MOV E

DEPRESION 981HPA 53S 67W MOV SE DPN EXTIENDE CFNT EN 51S 66W 48S 66W 46S 66W MOV

E

DEPRESION 990HPA 44S 23W MOV E DPN





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

26-04-2024

ZONAS COSTERAS:

RIO DE LA PLATA INTERIOR: SECTOR E 3/4 PROB DE LLOVIZNAS LLUVIAS VIS BUENA OCNL

REGULAR

RIO DE LA PLATA EXTERIOR: SECTOR E 3/4 PROB DE LLOVIZNAS LLUVIAS VIS BUENA OCNL

REGULAR

COSTA SUDESTE DEL URUGUAY: SECTOR E 4/5 BAJA PROB DE LLOVIZNAS MEJORAMIENTOS

TEMPORARIOS VIS BUENA OCNL REGULAR

COSTA MAR DEL PLATA(36º17S - 38º30S): SECTOR N 4/5 DESMEJORANDO HACIA EL FINAL

DEL PERIODO VIS BUENA

RINCON BAHIA BLANCA(38º30S - 41ºS): SECTOR N 6/5 CON RAFAGAS PROB DE SH DESDE EL

26/0900 VIS REGULAR

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

HACIA EL FINAL DEL PERIODO VIS REGULAR

GOLFO DE SAN JORGE(45ºS - 48ºS): SECTOR W 6/7 CON RAFAGAS VEER SECTOR N 5 CON

RAFAGAS EL 25/2100 BACK SECTOR W EL 26/0600 VIS REGULAR

COSTA PATAGONIA SUR(48ºS - 54ºS): SECTOR N 5/4 CON RAFAGAS BACK SECTOR W EL

26/0300 BAJA PROB DE LLUVIA Y NIEVE MEZCLADA MEJORAMIENTOS TEMPORARIOS VIS

REGULAR

COSTA FIN DEL MUNDO(54ºS - 55ºS): SECTOR N 5 CON RAFAGAS BACK SECTOR W EL

25/2100 PROB DE LLUVIA Y NIEVE MEZCLADA MEJORAMIENTOS TEMPORARIOS VIS REGULAR

COSTA DE ISLAS MALVINAS: SECTOR N 6/5 CON RAFAGAS LLUVIA Y NIEVE MEZCLADA

MEJORAMIENTOS TEMPORARIOS VIS REGULAR



AREAS OCEANICAS:

AREA NORTE (35S- 40S Y 20W- 55W) W DE 40W: VRB 3 VEER SECTOR N 4 EL 26/0000 PROB

DE SH A PARTIR DE LA NOCHE VIS BUENA OCNL REGULAR

 W DE 30 - E DE 40W: SECTOR S 6/5 CON RAFAGAS PROB DE LLUVIAS VIS REGULAR OCNL

MALA

 RESTO DEL AREA: SECTOR N 6 CON RAFAGAS BACK SECTOR S CON RAFAGAS EL 25/1800

LLUVIAS VIS MALA

AREA CENTRO ESTE (40S- 50S Y 20W- 40W) W DE 30W: SECTOR S 6 CON RAFAGAS VEER

SECTOR N CON RAFAGAS EL 26/1200 BAJA PROB DE LLUVIAS AISLADAS VIS BUENA OCNL

REGULAR

 N DE 45 - E DE 30W: SECTOR S 8 CON RAFAGAS LLUVIAS VIS MALA

 RESTO DEL AREA: SECTOR S 6/5 CON RAFAGAS BAJA PROB DE LLUVIA Y NIEVE MEZCLADA

AISLADAS VIS BUENA OCNL REGULAR

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

BUENA OCNL REGULAR

AREA SUDESTE (50S- 60S Y 20W- 40W): SECTOR W 5 CON RAFAGAS BAJA PROB DE LLUVIA Y

NIEVE MEZCLADA AISLADAS VIS BUENA OCNL REGULAR

AREA SUDOESTE (50S- 60S Y 40W- 60W): SECTOR W 5 VEER SECTOR N 7 CON RAFAGAS EL

25/1800 PROB DE LLUVIAS MEJORAMIENTOS TEMPORARIOS VIS REGULAR

AREA PASAJE DE DRAKE (55S- 60S Y 60W- 67W): SECTOR N 4 CON RAFAGAS BACK SECTOR S

EL 25/2100 PROB DE LLUVIA Y NIEVE MEZCLADA VIS BUENA OCNL REGULAR



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####018004223####
WWST02 SABM 251200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2024-04-25, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 195: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S

WITH GUST BETWEEN 40S-45S AND 20W-30W





PART 2 GENERAL SYNOPSIS AT 09:00UTC

241400 UTC 1.SEA ICE LIMIT 6615S 02000W 6525S 02847W 6515S 03644W 6130S 03918W

6140S 04429W 6119S 04841W 6135S 05142W 6238S 05401W 6251S 05616W 6328S 06014W

6406S 06410W 6606S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5903S 04446W 40X32NM

D28A 5156S 02521W 16X13NM A78 5919S 02609W 18X4NM D29C 5407S 03055W 12X5NM D31

5636S 03000W 10X3NM D20A 6149S 04232W 13X6NM A74B 6222S 05402W 11X5NM 3.ICEBERGS

SMALLER THAN 10NM ICEBERG1 5824S 02240W 5X2NM ICEBERG2 6116S 03642W 10X1NM

ICEBERG3 5954S 03623W 5X2NM ICEBERG4 6032S 03910W 4X2NM ICEBERG5 6128S 04658W

4X2NM ICEBERG6 5750S 02341W 4X1NM ICEBERG7 6054S 04051W 4X3NM ICEBERG8 5129S

02916W 3X1NM ICEBERG9 5145S 03041W 4X1NM ICEBERG10 5109S 03036W 3X1NM ICEBERG11

5131S 02900W 4X2NM ICEBERG12 5129S 02901W 5X3NM ICEBERG13 5140S 02902W 2X1NM

ICEBERG14 5756S 02612W 4X1NM ICEBERG15 5853S 02611W 3X2NM ICEBERG16 5148S 02847W

4X1NM 4.ICEBERGS AREA A: 7020S 02000W 4700S 02000W 4500S 02900W 6200S 04100W B:

6200S 04100W 4800S 03030W 4900S 04600W 6314S 05716W C: 5600S 05030W 5600S 06100W

5900S 06716W 6900S 06716W

HIGH 1017HPA 36S 53W MOV E INTSF EXP 35S 36W BY 26/1200 EXTENDS RIDGE AT 41S 48W

44S 46W 50S 42W MOV E

LOW 981HPA 53S 67W MOV SE DPN EXTENDS CFNT AT 51S 66W 48S 66W 46S 66W MOV E

LOW 990HPA 44S 23W MOV E DPN





PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2024-04-26

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR E 3/4 PROB OF DRIZZLE RAIN VIS GOOD OCNL

MODERATE

OUTER RIO DE LA PLATA: SECTOR E 3/4 PROB OF DRIZZLE RAIN VIS GOOD OCNL

MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR E 4/5 LOW PROB OF DRIZZLE SPELLS OF GOOD

WEATHER VIS GOOD OCNL MODERATE

MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 4/5 WORSENING TOWARDS THE END OF

THE PERIOD VIS GOOD

RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR N 6/5 WITH GUSTS PROB OF SH

FROM 26/0900 VIS MODERATE

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

TOWARDS THE END OF THE PERIOD VIS MODERATE

GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR W 6/7 WITH GUSTS VEER SECTOR N 5

WITH GUSTS BY 25/2100 BACK SECTOR W BY 26/0600 VIS MODERATE

SOUTH PATAGONIA COASTS(48ºS - 54ºS): SECTOR N 5/4 WITH GUSTS BACK SECTOR W BY

26/0300 LOW PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR N 5 WITH GUSTS BACK SECTOR W BY

25/2100 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR N 6/5 WITH GUSTS RAIN AND SNOW MIXTURE SPELLS OF

GOOD WEATHER VIS MODERATE



OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: VRB 3 VEER SECTOR N 4 BY 26/0000

PROB OF SH STARTING NIGTH VIS GOOD OCNL MODERATE

 W OF 30 - E OF 40W: SECTOR S 6/5 WITH GUSTS PROB OF RAIN VIS MODERATE OCNL

POOR

 REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR S WITH GUSTS BY 25/1800

RAIN VIS POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30W: SECTOR S 6 WITH GUSTS VEER

SECTOR N WITH GUSTS BY 26/1200 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE

 N OF 45 - E OF 30W: SECTOR S 8 WITH GUSTS RAIN VIS POOR

 REST OF THE AREA: SECTOR S 6/5 WITH GUSTS LOW PROB OF ISOL RAIN AND SNOW

MIXTURE VIS GOOD OCNL MODERATE

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

GOOD OCNL MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5 WITH GUSTS LOW PROB OF ISOL

RAIN AND SNOW MIXTURE VIS GOOD OCNL MODERATE

SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 5 VEER SECTOR N 7 WITH GUSTS

BY 25/1800 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4 WITH GUSTS BACK SECTOR S BY

25/2100 PROB OF RAIN AND SNOW MIXTURE VIS GOOD OCNL MODERATE

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