WWST02 SABM 281200 1:31:06:01:00 SECURITE WEATHER BULLETIN FOR SHIPPING - METAREA 6- 12:00 UTC 28, OCTOBER 2025. NATIONAL WEATHER SERVICE SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS. PART 1 GALE WARNING: WARNING 436: STRONG BARIC GRADIENT EXPECTED BY 28/2100 WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS UNTIL 29/0900 PART 2 GENERAL SYNOPSIS AT 09:00UTC STRONG BARIC GRADIENT SOUTH PATAGONIA COASTSINTSF HIGH 1035HPA 40S 61W MOV E NC EXP 40S 55W BY 29/1200 EXTENDS RIDGE AT 40S 61W 47S 60W 56S 56W MOV E LOW 1005HPA 42S 40W MOV SE WKN EXP 42S 25W BY 29/ EXTENDS OFNT AT 41S 41W 46S 41W 44S 34W MOV SE LOW 1011HPA 42S 29W MOV SE DPN EXP 48S 20W BY 29/0900 EXTENDS CFNT AT 42S 29W 34S 33W 30S 43W MOV E 261400 UTC 1.SEA ICE LIMIT 5656S 02000W 5700S 02247W 5632S 02649W 5805S 03027W 5826S 03530W 5932S 03944W 6003S 04401W 6100S 04711W 6120S 05219W 6220S 05709W 6354S 06238W 6548S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5258S 04022W 32X24NM A74A 5407S 03248W 27X17NM A77 5645S 04047W 27X4NM A76C 6026S 04257W 16X7NM B15AB 5837S 04744W 11X4NM A23G 5221S 03848W 20X8NM A23I 5043S 04014W 19X8NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4928S 03522W 7X1NM ICEBERG2 5123S 03812W 3X1NM ICEBERG3 5529S 04527W 9X2NM ICEBERG4 5503S 04419W 2X1NM ICEBERG5 5255S 03729W 3X1NM ICEBERG6 5103S 03756W 9X4NM ICEBERG7 5124S 03542W 3X1NM ICEBERG8 5138S 03939W 7X3NM ICEBERG9 4957S 02435W 6X3NM ICEBERG10 5323S 03721W 2X1NM ICEBERG11 5250S 04123W 2X2NM ICEBERG12 5341S 04103W 3X1NM ICEBERG13 5222S 03631W 3X1NM ICEBERG14 5015S 02400W 3X1NM ICEBERG15 4934S 02846W 6X4NM ICEBERG16 4944S 02212W 2X1NM ICEBERG17 5258S 02547W 3X1NM ICEBERG18 5324S 03652W 2X1NM ICEBERG19 4944S 03833W 4X1NM ICEBERG20 5151S 03846W 3X2NM ICEBERG21 6100S 04608W 3X2NM ICEBERG22 5228S 03638W 2X1NM ICEBERG23 5213S 03605W 3X1NM ICEBERG24 5127S 03912W 7X2NM 4.ICEBERGS AREA A 5800S 02000W 4600S 02000W 4500S 04100W 6000S 04200W B 6000S 04200W 4500S 04100W 6000S 05500W 6200S 05500W C 6200S 05500W 6000S 05500W 6400S 06716W 6700S 06716W POSITION, TIME AND SIZE OF ICEBERGS OR STATIONARY RADAR TARGETS TO THE ARGENTINE HYDROGRAPHIC NAVAL SERVICE TO hielo.marino@hidro.gov.ar INFORME DE HIELOS MARINOS Y TEMPANOS 261400 UTC 1.LIMITE DE HIELO MARINO 5656S 02000W 5700S 02247W 5632S 02649W 5805S 03027W 5826S 03530W 5932S 03944W 6003S 04401W 6100S 04711W 6120S 05219W 6220S 05709W 6354S 06238W 6548S 06716W 2.TEMPANOS MAYORES A 10MN A23A 5258S 04022W 32X24MN A74A 5407S 03248W 27X17MN A77 5645S 04047W 27X4MN A76C 6026S 04257W 16X7MN B15AB 5837S 04744W 11X4MN A23G 5221S 03848W 20X8MN A23I 5043S 04014W 19X8MN 3.TEMPANOS MENORES A 10MN TEMPANO1 4928S 03522W 7X1MN TEMPANO2 5123S 03812W 3X1MN TEMPANO3 5529S 04527W 9X2MN TEMPANO4 5503S 04419W 2X1MN TEMPANO5 5255S 03729W 3X1MN TEMPANO6 5103S 03756W 9X4MN TEMPANO7 5124S 03542W 3X1MN TEMPANO8 5138S 03939W 7X3MN TEMPANO9 4957S 02435W 6X3MN TEMPANO10 5323S 03721W 2X1MN TEMPANO11 5250S 04123W 2X2MN TEMPANO12 5341S 04103W 3X1MN TEMPANO13 5222S 03631W 3X1MN TEMPANO14 5015S 02400W 3X1MN TEMPANO15 4934S 02846W 6X4MN TEMPANO16 4944S 02212W 2X1MN TEMPANO17 5258S 02547W 3X1MN TEMPANO18 5324S 03652W 2X1MN TEMPANO19 PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-10-29 COASTAL AREAS: INNER RIO DE LA PLATA: SE 5/4 BACK SECTOR E 3 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE OUTER RIO DE LA PLATA: SE 4/3 BACK SECTOR E 4 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE URUGUAY SOUTH EAST COASTS: SECTOR S 5 BACK E PROB OF RAIN VIS MODERATE MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3 BACK SECTOR E PROB OF SH IMPR PROB OF MIST STARTING EARLY MORNING VIS MODERATE OCNL GOOD RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 3 BACK SECTOR N 3/4 PROB OF SH NEXT IMPR PROB OF MIST STARTING EARLY MORNING VIS MODERATE OCNL GOOD PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 3/6 WITH GUSTS VIS GOOD TO MODERATE GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/8 WITH GUSTS BY 28/2100 VIS GOOD TO POOR SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6/8 WITH GUSTS BY 28/2100 DECR 5 MIST DISSIPATING VIS MODERATE TO POOR FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/7 WITH GUSTS MIST DISSIPATING VIS MODERATE OCNL POOR ISLAS MALVINAS COASTS: SECTOR W 5 VEER SECTOR N 6 WITH GUSTS BY 29/0000 VIS GOOD TO POOR OCEANIC AREAS: NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 6 WITH GUSTS BACK SECTOR W 7 WITH GUSTS PROB OF SH RAIN VIS POOR NORTH AREA (35S- 40S AND 20W- 55W) E OF 40 - W OF 30W: SECTOR W 6/7 WITH GUSTS BACK SECTOR S 5/4 PROB OF SH NEXT IMPR VIS POOR TO MODERATE NORTH AREA (35S- 40S AND 20W- 55W) REST OF THE AREA: SECTOR S 5/4 BACK SECTOR E PROB OF RAIN VIS MODERATE OCNL GOOD CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: SECTOR N 5 BACK SECTOR W 5/7 PROB OF HVY SH RAIN VIS POOR CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: SECTOR W 7/6 WITH GUSTS BACK SW 4/3 PROB OF SH IMPR VIS POOR TO GOOD CENTRAL EAST AREA (40S- 50S AND 20W- 40W) REST OF THE AREA: SECTOR E 5/6 VEER SW 6/7 PROB OF SH RAIN NEXT IMPR VIS POOR OCNL MODERATE CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR E 7/5 WITH GUSTS LOW PROB OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO GOOD CENTRAL WEST AREA (40S- 50S AND 40W- 60W) NW OF THE REGION: SECTOR S 4/3 VEER SECTOR N 3/4 PROB OF SH NEXT IMPR VIS MODERATE TO GOOD CENTRAL WEST AREA (40S- 50S AND 40W- 60W) REST OF THE AREA: SECTOR S 4/3 VEER SECTOR N 5/6 MIST FOG PATCHES PROB OF DRIZZLE VIS POOR SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/5 WITH GUSTS PROB OF SNOW FALL VIS POOR SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 5 WITH GUSTS VEER SECTOR W 6 WITH GUSTS PROB OF DRIZZLE VIS MODERATE OCNL GOOD SOUTH WEST AREA (50S- 60S AND 40W- 60W) REST OF THE AREA: SECTOR W 5/6 VEER NW 6/7 FOG AND MIST IN PATCHES PROB OF DRIZZLE RAIN VIS POOR DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE OCNL GOOD ----------------------------------------------------------------- NNNN=