####018005041#### WWST01 SABM 200000 1:31:06:01:00 SEGURIDAD BOLETIN METEOROLOGICO PARA NAVEGANTES - METAREA 6 - 20-11-2025, 00:00 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 472: FUERTE GRADIENTE BARICO PROVOCARA VIENTO FUERZA 8 DEL SECTOR E CON RAFAGAS EN RIO DE LA PLATA INTERIOR RIO DE LA PLATA EXTERIOR A PARTIR DEL 20/2100 AVISO 471: FUERTE GRADIENTE BARICO PROVOCA VIENTO FUERZA 8 DEL NW CON RAFAGAS EN 35S-40S 20W-30W AVISO 469: DEPRESION 963HPA EN 53S 33W MOV SE DEBILITANDOSE PREVISTO EN 56S 26W EL 20/1200 PROVOCA VIENTO FUERZA 8 DEL NW CON RAFAGAS EN 50S-55S 20W-40W 2 PARTE SINOPSIS GENERAL A LAS 21:00UTC DEPRESION 963HPA 53S 33W MOV SE WKN EXP 56S 26W EL 20/1200 EXTIENDE CFNT EN 53S 23W 52S 19W 41S 26W MOV NE CFNT LINEA 41S 20W 37S 24W 35S 27W MOV NE 3 PARTE PRONOSTICO DE LAS 00:00 UTC VALIDO HASTA LAS 00:00 UTC DEL DIA 21-11-2025 ZONAS COSTERAS: RIO DE LA PLATA INTERIOR: NE 4/5 CON RAFAGAS BACK SE 6/7 RAFAGAS CON INTENSIDAD 8 EL 20/1800 INCR 7/8 CON RAFAGAS PROB DE LLUVIAS TORMENTAS FUERTES A PARTIR DE LA TARDE VIS BUENA A MALA RIO DE LA PLATA EXTERIOR: NE 4/5 CON RAFAGAS BACK SE 6/7 RAFAGAS CON INTENSIDAD 8 EL 20/1800 INCR 7/8 CON RAFAGAS PROB DE LLUVIAS TORMENTAS FUERTES A PARTIR DE LA TARDE VIS BUENA A MALA COSTA SUDESTE DEL URUGUAY: NE 4/5 CON RAFAGAS VEER SECTOR E 6/7 RAFAGAS CON INTENSIDAD 8 EL 20/2100 PROB DE LLUVIAS TORMENTAS A PARTIR DE LA TARDE VIS BUENA A REGULAR COSTA MAR DEL PLATA(36�17S - 38�30S): NE 4/5 CON RAFAGAS BACK SW 4/5 CON RAFAGAS EL 20/1800 PROB DE LLOVIZNAS DURANTE LA MA�ANA PROB DE LLUVIAS TORMENTAS A PARTIR DE LA MADRUGADA VIS BUENA A REGULAR RINCON BAHIA BLANCA(38�30S - 41�S): SECTOR E 5 CON RAFAGAS VEER SE 6/7 RAFAGAS CON INTENSIDAD 8 EL 20/1200 PROB DE SH LLUVIAS A PARTIR DE LA TARDE VIS BUENA A REGULAR COSTA PENINSULA DE VALDES(41�S - 45�S): NE 5 CON RAFAGAS VEER SECTOR E 5/6 CON RAFAGAS EL 20/1500 VEER SE 5 CON RAFAGAS EL 20/2100 PROB DE LLUVIAS AISLADAS MEJORAMIENTOS TEMPORARIOS PROB DE TORMENTAS AISLADAS DURANTE LA TARDE VIS BUENA A REGULAR GOLFO DE SAN JORGE(45�S - 48�S): NE 4/5 CON RAFAGAS BACK VRB 4/3 EL 20/0900 BACK NE 3/4 CON RAFAGAS EL 20/1800 PROB DE LLOVIZNAS LLUVIAS MEJORANDO A PARTIR DE LA MA�ANA VIS REGULAR A BUENA COSTA PATAGONIA SUR(48�S - 54�S): SECTOR W 4 CON RAFAGAS BACK SW 4/5 CON RAFAGAS EL 20/0900 PROB DE LLOVIZNAS LLUVIAS MEJORANDO A PARTIR DE LA MA�ANA VIS REGULAR A BUENA COSTA FIN DEL MUNDO(54�S - 55�S): SW 4/5 CON RAFAGAS VEER SECTOR W 4 CON RAFAGAS EL 20/1800 PROB DE SH LLUVIAS MEJORANDO A PARTIR DE LA TARDE VIS REGULAR A BUENA COSTA DE ISLAS MALVINAS: SW 4/5 CON RAFAGAS PROB DE SH LLUVIAS MEJORANDO A PARTIR DE LA NOCHE VIS REGULAR A BUENA AREAS OCEANICAS: AREA NORTE (35S- 40S Y 20W- 55W) E DE 30W: NW 8/7 CON RAFAGAS PROB DE LLUVIAS TORMENTAS VIS MALA E DE 50 - W DE 30W: SW 7/6 RAFAGAS CON INTENSIDAD 8 DECR 6/5 CON RAFAGAS EL 20/1200 VEER SECTOR W 5 CON RAFAGAS EL 20/1800 PROB DE SH LLUVIAS MEJORANDO HACIA EL FINAL DEL PERIODO VIS REGULAR OCNL MALA A BUENA RESTO DEL AREA: SW 7/6 RAFAGAS CON INTENSIDAD 8 VEER SECTOR N 5 CON RAFAGAS EL 20/1200 PROB DE LLUVIAS TORMENTAS A PARTIR DE LA TARDE VIS REGULAR OCNL MALA AREA CENTRO ESTE (40S- 50S Y 20W- 40W) E DE 30W: NW 7/6 RAFAGAS CON INTENSIDAD 8 DECR 4/5 CON RAFAGAS EL 20/0600 LUEGO SECTOR W 5/6 CON RAFAGAS EL 20/1800 PROB DE LLUVIAS TORMENTAS AISLADAS VIS REGULAR OCNL MALA N DE 45 - W DE 30W: SECTOR W 5/4 CON RAFAGAS INCR 5/6 CON RAFAGAS EL 20/0900 PROB DE LLUVIAS TORMENTAS MEJORANDO A PARTIR DE LA TARDE VIS REGULAR RESTO DEL AREA: SECTOR W 7/6 RAFAGAS CON INTENSIDAD 8 DECR 5 CON RAFAGAS EL 20/0600 PROB DE SH LLUVIAS AISLADOS VIS BUENA OCNL REGULAR AREA CENTRO OESTE (40S- 50S Y 40W- 60W) N DE 45 - W DE 50W: SW 4/5 CON RAFAGAS BACK SECTOR E 6/7 RAFAGAS CON INTENSIDAD 8 EL 20/0600 PROB DE LLUVIAS SH AISLADOS VIS REGULAR RESTO DEL AREA: SW 7/6 RAFAGAS CON INTENSIDAD 8 DECR 5 CON RAFAGAS EL 20/1500 PROB DE LLUVIAS TORMENTAS AISLADAS VIS REGULAR AREA SUDESTE (50S- 60S Y 20W- 40W) N DE 55S: NW 8/7 CON RAFAGAS PROB DE LLUVIAS AISLADAS VIS MALA OCNL REGULAR E DE 30 - S DE 55S: SECTOR N 5/6 CON RAFAGAS VEER SECTOR W 5/6 CON RAFAGAS EL 20/0900 PROB DE LLUVIAS AISLADAS VIS REGULAR RESTO DEL AREA: SECTOR S 5/6 CON RAFAGAS BACK SW 5 CON RAFAGAS EL 20/1200 PROB DE LLUVIAS AISLADAS VIS REGULAR OCNL BUENA AREA SUDOESTE (50S- 60S Y 40W- 60W) E DE 50W: SW 4/5 CON RAFAGAS VIS BUENA RESTO DEL AREA: SECTOR S 7/6 RAFAGAS CON INTENSIDAD 8 VEER SW 5 CON RAFAGAS EL 20/1200 PROB DE LLUVIAS AISLADAS MEJORANDO A PARTIR DE LA MA�ANA VIS REGULAR A BUENA AREA PASAJE DE DRAKE (55S- 60S Y 60W- 67W): SW 4 CON RAFAGAS BACK VRB 4/3 EL 20/1800 PROB DE LLUVIAS AISLADAS VIS BUENA OCNL REGULAR ----------------------------------------------------------------- NNNN= ####018001524#### WWST03 SABM 200000 WEATHER BULLETIN FOR NAVTEX STATIONS - METAREA 6 - NOVEMBER 20, 00:00UTC NATIONAL WEATHER SERVICE SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS. GALE WARNING: WARNING 472: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST IN INNER RIO DE LA PLATA OUTER RIO DE LA PLATA FROM 20/2100 GENERAL SINOPSIS: NO SIGNIFICATIVE WEATHERFORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-11-21 NAVTEX STATIONS FCST: BUENOS AIRES: NE 4/5 WITH GUSTS BACK SE 6/7 GUST WITH 8 INTENSITY BY 20/1800 INCR 7/8 WITH GUSTS PROB OF HVY RAIN STORMS STARTING EVENING VIS GOOD TO POOR BAHIA BLANCA: SECTOR E 5 WITH GUSTS VEER SE 6/7 GUST WITH 8 INTENSITY BY 20/1200 PROB OF SH RAIN STARTING EVENING VIS GOOD TO MODERATE. MAR DEL PLATA: NE 4/5 WITH GUSTS BACK SW 4/5 WITH GUSTS BY 20/1800 PROB OF DRIZZLE DURING THE MORNING PROB OF RAIN STORMS STARTING EARLY MORNING VIS GOOD TO MODERATE. COMODORO RIVADAVIA: NE 4/5 WITH GUSTS BACK VRB 4/3 BY 20/0900 BACK NE 3/4 WITH GUSTS BY 20/1800 PROB OF DRIZZLE RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD. RIO GALLEGOS: SECTOR W 4 WITH GUSTS BACK SW 4/5 WITH GUSTS BY 20/0900 PROB OF DRIZZLE RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD. USHUAIA: SW 4/5 WITH GUSTS VEER SECTOR W 4 WITH GUSTS BY 20/1800 PROB OF SH RAIN IMPR STARTING EVENING VIS MODERATE TO GOOD. ----------------------------------------------------------------- NNNN= ####018004678#### WWST02 SABM 200000 1:31:06:01:00 SECURITE WEATHER BULLETIN FOR SHIPPING - METAREA 6- 2025-11-20, 00:00 UTC. NATIONAL WEATHER SERVICE SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS. PART 1 GALE WARNING: WARNING 472: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST IN INNER RIO DE LA PLATA OUTER RIO DE LA PLATA FROM 20/2100 WARNING 471: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM NW WITH GUST BETWEEN 35S-40S AND 20W-30W WARNING 469: LOW 963HPA AT 53S 33W MOV SE WEAKENING EXPECTED 56S 26W BY 20/1200 PROVOKES WINDS FORCE 8 FROM NW WITH GUST BETWEEN 50S-55S AND 20W-40W PART 2 GENERAL SYNOPSIS AT 21:00UTC LOW 963HPA 53S 33W MOV SE WKN EXP 56S 26W BY 20/1200 EXTENDS CFNT AT 53S 23W 52S 19W 41S 26W MOV NE CFNT AT 41S 20W 37S 24W 35S 27W MOV NE PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-11-21 COASTAL AREAS: INNER RIO DE LA PLATA: NE 4/5 WITH GUSTS BACK SE 6/7 GUST WITH 8 INTENSITY BY 20/1800 INCR 7/8 WITH GUSTS PROB OF HVY RAIN STORMS STARTING EVENING VIS GOOD TO POOR OUTER RIO DE LA PLATA: NE 4/5 WITH GUSTS BACK SE 6/7 GUST WITH 8 INTENSITY BY 20/1800 INCR 7/8 WITH GUSTS PROB OF HVY RAIN STORMS STARTING EVENING VIS GOOD TO POOR URUGUAY SOUTH EAST COASTS: NE 4/5 WITH GUSTS VEER SECTOR E 6/7 GUST WITH 8 INTENSITY BY 20/2100 PROB OF RAIN STORMS STARTING EVENING VIS GOOD TO MODERATE MAR DEL PLATA COASTS(36�17S - 38�30S): NE 4/5 WITH GUSTS BACK SW 4/5 WITH GUSTS BY 20/1800 PROB OF DRIZZLE DURING THE MORNING PROB OF RAIN STORMS STARTING EARLY MORNING VIS GOOD TO MODERATE RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SECTOR E 5 WITH GUSTS VEER SE 6/7 GUST WITH 8 INTENSITY BY 20/1200 PROB OF SH RAIN STARTING EVENING VIS GOOD TO MODERATE PENINSULA DE VALDES COASTS(41�S - 45�S): NE 5 WITH GUSTS VEER SECTOR E 5/6 WITH GUSTS BY 20/1500 VEER SE 5 WITH GUSTS BY 20/2100 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER PROB OFISOL STORMS DURING THE EVENING VIS GOOD TO MODERATE GOLFO DE SAN JORGE COASTS(45�S - 48�S): NE 4/5 WITH GUSTS BACK VRB 4/3 BY 20/0900 BACK NE 3/4 WITH GUSTS BY 20/1800 PROB OF DRIZZLE RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD SOUTH PATAGONIA COASTS(48�S - 54�S): SECTOR W 4 WITH GUSTS BACK SW 4/5 WITH GUSTS BY 20/0900 PROB OF DRIZZLE RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD FIN DEL MUNDO COASTS(54�S - 55�S): SW 4/5 WITH GUSTS VEER SECTOR W 4 WITH GUSTS BY 20/1800 PROB OF SH RAIN IMPR STARTING EVENING VIS MODERATE TO GOOD ISLAS MALVINAS COASTS: SW 4/5 WITH GUSTS PROB OF SH RAIN IMPR STARTING NIGTH VIS MODERATE TO GOOD OCEANIC AREAS: NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8/7 WITH GUSTS PROB OF RAIN STORMS VIS POOR E OF 50 - W OF 30W: SW 7/6 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY 20/1200 VEER SECTOR W 5 WITH GUSTS BY 20/1800 PROB OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR TO GOOD REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY VEER SECTOR N 5 WITH GUSTS BY 20/1200 PROB OF RAIN STORMS STARTING EVENING VIS MODERATE OCNL POOR CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: NW 7/6 GUST WITH 8 INTENSITY DECR 4/5 WITH GUSTS BY 20/0600 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 20/1800 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR N OF 45 - W OF 30W: SECTOR W 5/4 WITH GUSTS INCR 5/6 WITH GUSTS BY 20/0900 PROB OF RAIN STORMS IMPR STARTING EVENING VIS MODERATE REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY DECR 5 WITH GUSTS BY 20/0600 PROB OF ISOL SH RAIN VIS GOOD OCNL MODERATE CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45 - W OF 50W: SW 4/5 WITH GUSTS BACK SECTOR E 6/7 GUST WITH 8 INTENSITY BY 20/0600 PROB OF RAIN ISOL SH VIS MODERATE REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY DECR 5 WITH GUSTS BY 20/1500 PROB OF ISOL RAIN STORMS VIS MODERATE SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 8/7 WITH GUSTS PROB OF ISOL RAIN VIS POOR OCNL MODERATE E OF 30 - S OF 55S: SECTOR N 5/6 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 20/0900 PROB OF ISOL RAIN VIS MODERATE REST OF THE AREA: SECTOR S 5/6 WITH GUSTS BACK SW 5 WITH GUSTS BY 20/1200 PROB OF ISOL RAIN VIS MODERATE OCNL GOOD SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 4/5 WITH GUSTS VIS GOOD REST OF THE AREA: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SW 5 WITH GUSTS BY 20/1200 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD DRAKE AREA (55S- 60S AND 60W- 67W): SW 4 WITH GUSTS BACK VRB 4/3 BY 20/1800 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE ----------------------------------------------------------------- NNNN=