####018005401#### WWST01 SABM 230000 1:31:06:01:00 SEGURIDAD BOLETIN METEOROLOGICO PARA NAVEGANTES - METAREA 6 - 23-08-2025, 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 346: FUERTE GRADIENTE BARICO PROVOCARA VIENTO FUERZA 8 DEL SECTOR W CON RAFAGAS ENTRE 40S-50S 40W-60W A PARTIR DEL 23/1500 AVISO 345: DEPRESION 987HPA EN 51S 54W MOV SE PROFUNDIZANDOSE PREVISTO EN 54S 50W EL 23/1500 PROVOCARA VIENTO FUERZA 8 ALREDEDOR DE LA MISMA CON RAFAGAS EN AREA SUDOESTE (50S- 60S Y 40W- 60W) A PARTIR DEL 23/1500 AVISO 344: FUERTE GRADIENTE BARICO PROVOCARA VIENTO FUERZA 8 DEL SECTOR N CON RAFAGAS ENTRE 40S-50S 30W-40W A PARTIR DEL 23/1500 AVISO 343: FUERTE GRADIENTE BARICO PROVOCAR� VIENTO FUERZA 8 DEL SECTOR N CON RAFAGAS EN 35S-40S 30W-45W A PARTIR DEL 23/0900 2 PARTE SINOPSIS GENERAL A LAS 21:00UTC 221400 UTC 1.LIMITE DE HIELO MARINO 5626S 02000W 5535S 02406W 5510S 02707W 5547S 03121W 5703S 03618W 5754S 04111W 5913S 04403W 5915S 04740W 6106S 05119W 6203S 05615W 6342S 06218W 6553S 06716W 2.TEMPANOS MAYORES A 10MN A23A 5338S 03536W 40X32MN A74A 5745S 04601W 27X17MN A77 6035S 05603W 27X4MN A76C 5952S 04757W 16X7MN B15AB 6117S 05233W 11X4MN TEMPANO1 5330S 04001W 12X2MN 3.TEMPANOS MENORES A 10MN A23D 5140S 03757W 8X4MN A23E 5203S 03341W 9X4MN A23F 5347S 03556W 9X4MN TEMPANO2 5340S 03601W 3X1MN TEMPANO3 5118S 03038W 3X3MN TEMPANO4 6021S 05207W 9X2MN TEMPANO5 5519S 04008W 4X2MN TEMPANO6 5216S 03735W 2X2MN TEMPANO7 4815S 02622W 3X2MN TEMPANO8 5317S 03324W 3X1MN TEMPANO9 5226S 03455W 3X1MN TEMPANO10 5158S 03703W 3X1MN TEMPANO11 4720S 02639W 2X1MN TEMPANO12 5259S 03640W 4X1MN TEMPANO13 5119S 03704W 3X1MN TEMPANO14 5356S 03452W 3X1MN TEMPANO15 6025S 05420W 6X4MN TEMPANO16 5336S 03504W 4X1MN TEMPANO17 5221S 03522W 2X1MN TEMPANO18 5246S 03745W 3X2MN TEMPANO19 5334S 05352W 3X3MN TEMPANO20 5351S 03552W 2X1MN TEMPANO21 6054S 05608W 2X1MN TEMPANO22 5338S 03508W 2X1MN 4.AREA DE TEMPANOS A: 5725S 02000W 4500S 02000W 4500S 03500W 5737S 03500W B: 5737S 03500W 4900S 03500W 4900S 04200W 5852S 04200W C: 5852S 04200W 5300S 04200W 5300S 05000W 6116S 05000W D: 6116S 05000W 5800S 05000W 5800S 05800W 6300S 06716W 6623S 06716W DEPRESION 987HPA 50S 54W MOV SE DPN EXP 54S 50W EL 23/1500 EXTIENDE CFNT EN 48S 52W 46S 53W 44S 52W MOV E DEPRESION 999HPA 39S 51W MOV SE DPN EXP 42S 46W EL 23/0900 EXTIENDE CFNT EN COSTA SUDESTE DEL URUGUAY MOV NE DEPRESION 991HPA 50S 32W MOV SE NC EXTIENDE CFNT EN 46S 26W 42S 24W 39S 22W MOV E 3 PARTE PRONOSTICO DE LAS 00:00 UTC VALIDO HASTA LAS 00:00 UTC DEL DIA 24-08-2025 ZONAS COSTERAS: RIO DE LA PLATA INTERIOR: SW 4 CON RAFAGAS VIS BUENA RIO DE LA PLATA EXTERIOR: SW 5/4 CON RAFAGAS VIS BUENA COSTA SUDESTE DEL URUGUAY: SECTOR S 5/6 CON RAFAGAS PROB DE LLOVIZNAS MEJORANDO A PARTIR DE LA MA�ANA VIS REGULAR A BUENA COSTA MAR DEL PLATA(36�17S - 38�30S): SW 6/5 CON RAFAGAS VIS REGULAR A BUENA RINCON BAHIA BLANCA(38�30S - 41�S): SECTOR W 5/6 CON RAFAGAS PROB DE LLUVIAS AISLADAS A PARTIR DE LA MADRUGADA VIS REGULAR COSTA PENINSULA DE VALDES(41�S - 45�S): SECTOR W 5/6 CON RAFAGAS PROB DE LLUVIAS AISLADAS MEJORANDO A PARTIR DE LA MA�ANA VIS REGULAR GOLFO DE SAN JORGE(45�S - 48�S): SW 6 CON RAFAGAS PROB DE SH LLUVIA Y NIEVE MEZCLADA MEJORANDO A PARTIR DE LA TARDE VIS REGULAR A BUENA COSTA PATAGONIA SUR(48�S - 54�S): SW 6 CON RAFAGAS PROB DE SH LLUVIA Y NIEVE MEZCLADA VIS MALA A REGULAR COSTA FIN DEL MUNDO(54�S - 55�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�17S - 38�30S): SW 6/5 WITH GUSTS VIS MODERATE TO GOOD RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SECTOR W 5/6 WITH GUSTS PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE PENINSULA DE VALDES COASTS(41�S - 45�S): SECTOR W 5/6 WITH GUSTS PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE GOLFO DE SAN JORGE COASTS(45�S - 48�S): SW 6 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE IMPR STARTING EVENING VIS MODERATE TO GOOD SOUTH PATAGONIA COASTS(48�S - 54�S): SW 6 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS POOR TO MODERATE FIN DEL MUNDO COASTS(54�S - 55�S): SW 6 WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR ISLAS MALVINAS COASTS: SW 6/7 GUST WITH 8 INTENSITY PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR OCEANIC AREAS: NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 6 WITH GUSTS VEER NW 6 WITH GUSTS BY 23/1800 PROB OF SH RAIN VIS MODERATE TO POOR W OF 30 - E OF 45W: SECTOR N 7/8 WITH GUSTS PROB OF HVY RAIN ISOL STORMS VIS POOR REST OF THE AREA: SW 6/7 GUST WITH 8 INTENSITY PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS POOR TO MODERATE CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 7/6 GUST WITH 8 INTENSITY PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY VEER SECTOR N 7/8 WITH GUSTS BY 23/1200 PROB OF RAIN STARTING NOON VIS VERY POOR TO POOR CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 6/7 GUST WITH 8 INTENSITY BACK SECTOR W 7/8 WITH GUSTS BY 23/1200 PROB OF RAIN SH RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR REST OF THE AREA: SECTOR W 7/8 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NE 6 WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR REST OF THE AREA: SECTOR N 5/6 WITH GUSTS PROB OF SNOW FALL VIS VERY POOR TO POOR SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR N 7/8 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR REST OF THE AREA: SECTOR S 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 23/1500 PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR DRAKE AREA (55S- 60S AND 60W- 67W): SW 5/6 WITH GUSTS BACK SECTOR E 4 BY 23/1800 PROB OF SH OF SNOW VIS MODERATE OCNL POOR ----------------------------------------------------------------- NNNN=