1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-04-08, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 145: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 55S-60S 40W-60W UNTIL 09/0000
WARNING 144: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
W WITH GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) FROM
08/1500
WARNING 143: LOW 991HPA AT 35S 52W MOV SE DEEPENING EXPECTED 37S 39W BY 09/1200
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN URUGUAY SOUTH EAST COASTS
UNTIL 09/0000
WARNING 142: LOW 991HPA AT 35S 52W MOV SE DEEPENING EXPECTED 37S 39W BY 09/1200
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 30W-60W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
071400 UTC 1.SEA ICE LIMIT 7004S 02000W 7000S 02631W 6108S 03032W 6828S 03103W
6141S 03608W 6517S 03626W 6224S 04337W 6243S 05118W 6355S 05124W 6320S 05906W
6523S 06422W 6650S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5926S 03624W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5115S 03256W 3X1NM ICEBERG2 4851S 03347W
3X1NM ICEBERG3 4656S 02901W 2X1NM ICEBERG4 4735S 02924W 6X3NM ICEBERG5 4953S
03347W 5X3NM ICEBERG6 4506S 02943W 3X1NM ICEBERG7 4502S 03456W 2X1NM ICEBERG8
4718S 02905W 4X2NM ICEBERG9 4724S 02912W 3X1NM ICEBERG10 5933S 03611W 3X1NM
4.ICEBERGS AREA A 7020S 02000W 4200S 02000W 4300S 03500W 6153S 03600W B 6153S
03600W 4355S 03500W 5135S 04220W 6250S 04925W C 6250S 04925W 5745S 04530W 6228S
06716W 6655S 06716W
LOW 991HPA 35S 52W MOV SE DPN EXP 37S 39W BY 09/1200
HIGH 1022HPA 46S 60W MOV NE INTSF EXP 35S 40W BY 09/1200
CFNT AT 44S 49W 45S 39W 48S 28W MOV NE
CFNT AT 54S 57W 57S 55W 60S 58W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4/3 PROB OF ISOL RAIN IMPR TOWARDS THE END OF
THE PERIOD VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR S 6/4 WITH GUSTS PROB OF ISOL RAIN IMPR TOWARDS
THE END OF THE PERIOD VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR S 8/5 WITH GUSTS PROB OF DRIZZLE IMPR TOWARDS
THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/4 WITH GUSTS PROB OF ISOL RAIN
IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4/3 BACK N BY 08/2100 MIST
DURING THE MORNING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 3 BACK SECTOR N 5 WITH GUSTS
BY 08/1500 MIST DURING THE MORNING VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4 WITH GUSTS BACK SECTOR W BY
08/1500 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 4/6 WITH GUSTS PROB OF ISOL RAIN
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 7/8 WITH GUSTS PROB OF RAIN TOWARDS
EVENING VIS MODERATE TO VERY POOR
ISLAS MALVINAS COASTS: SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END
OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 4/7 WITH GUSTS PROB OF
RAIN TOWARDS NIGTH VIS GOOD TO POOR
W OF 30W - E OF 40W: SECTOR N 5/8 WITH GUSTS HVY RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 8/7 WITH GUSTS HVY RAIN IMPR TOWARDS THE END OF THE
PERIOD VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30W - N OF 45S: SECTOR N 4 WITH
GUSTS VEER SECTOR S 8 WITH GUSTS BY 08/2100 HVY RAIN TOWARDS EVENING VIS
MODERATE TO VERY POOR
E OF 30W - N OF 45S: SECTOR W 5 VEER SECTOR N 7 WITH GUSTS BY 9/0300 HVY RAIN
TOWARDS EVENING VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 5/4 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF
THE PERIOD VIS MODERATE TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR S 6/8 WITH GUSTS PROB
OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR
REST OF THE AREA: SECTOR W 4/6 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS PROB OF ISOL
RAIN AND SNOW MIXTURE SNOW FALL VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) S OF 55S: SECTOR W 8/6 WITH GUSTS PROB
OF RAIN RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/8 WITH GUSTS PROB OF RAIN VIS
VERY POOR TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 08, APRIL 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
469/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-63S 85W-70W UNTIL 08/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 976HPA 65S 48W MOV SE WKN
LOW 970HPA 67S 83W MOV SE WKN
LOW 975HPA 66S 75W MOV E WKN
LOW 979HPA 64S 68W MOV E DPN
LOW 977HPA 62S 88W MOV SE DPN
071400 UTC 1.SEA ICE LIMIT 7004S 02000W 7000S 02631W 6108S 03032W 6828S 03103W 6141S 03608W 6517S 03626W 6224S 04337W 6243S 05118W 6355S 05124W 6320S 05906W 6523S 06422W 6650S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5926S 03624W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5115S 03256W 3X1NM ICEBERG2 4851S 03347W 3X1NM ICEBERG3 4656S 02901W 2X1NM ICEBERG4 4735S 02924W 6X3NM ICEBERG5 4953S 03347W 5X3NM ICEBERG6 4506S 02943W 3X1NM ICEBERG7 4502S 03456W 2X1NM ICEBERG8 4718S 02905W 4X2NM ICEBERG9 4724S 02912W 3X1NM ICEBERG10 5933S 03611W 3X1NM 4.ICEBERGS AREA A 7020S 02000W 4200S 02000W 4300S 03500W 6153S 03600W B 6153S 03600W 4355S 03500W 5135S 04220W 6250S 04925W C 6250S 04925W 5745S 04530W 6228S 06716W 6655S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 WITH GUSTS VEER SECTOR N 6/7 GUST WITH 8 INTENSITY BY 08/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 WITH GUSTS VEER NW 4/5 BY 08/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EVENING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 WITH GUSTS VEER SECTOR N 6/7 GUST WITH 8 INTENSITY BY 08/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 WITH GUSTS VEER NW 4/5 BY 08/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EVENING VIS MODERATE TO POOR
GERLACHE STRAIT : NE 4/5 INCR NE 6/7 WITH GUSTS BY 08/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS MODERATE TO GOOD
MARGARITA BAY : NE 5/6 WITH GUSTS INCR SECTOR E 7 WITH GUSTS BY 08/2100 VIS GOOD
EREBUS Y TERROR GULF : SW 7 GUST WITH 8 INTENSITY DECR SW 6 WITH GUSTS BY 08/2100 PROB OF FOG AND MIST IN PATCHES PROB OFCOASTAL BLIZZARD SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS DECR SECTOR W 6/5 WITH GUSTS BY 08/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 4/5 WITH GUSTS VEER SECTOR E 5/6 BY 08/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/5 BACK NE 5/6 WITH GUSTS BY 08/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 7/5 WITH GUSTS DECR SECTOR W 5/4 WITH GUSTS BY 08/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING NIGTH VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 7/6 WITH GUSTS DECR SE 5/4 BY 08/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK SE 4/3 BY 08/2100 VIS GOOD=