1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-12, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 245: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR N
BETWEEN 40S-50S 20W-30W FROM 12/0900
WARNING 244: LOW 984HPA AT 52S 70W MOV E NOT CHANGE EXPECTED 52S 54W BY 12/2100
WILL PROVOKE WINDS FORCE 9 FROM SECTOR S WITH GUST IN GOLFO DE SAN JORGE COASTS
SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS FROM 12/0300
WARNING 243: LOW 978HPA AT 57S 50W MOV SE DEEPENING PROVOKES WINDS FORCE 8
AROUND ITSELF WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) SOUTH WEST
AREA (50S- 60S AND 40W- 60W)
PART 2 GENERAL SYNOPSIS AT 21:00UTC
111400 UTC 1.SEA ICE LIMIT 6102S 02000W 5851S 02618W 5740S 03217W 5816S 03757W
5927S 04317W 5909S 04814W 6130S 05247W 6242S 05654W 6327S 06032W 6405S 06336W
6518S 06558W 6604S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5431S 03245W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4905S 02518W 4X1NM ICEBERG2 6152S 05553W
2X1NM ICEBERG3 6057S 05238W 2X1NM 4.ICEBERGS AREA A6011S 02000W 4300S 02000W
4200S 02800W 5745S 02800W B5745S 02800W 4900S 02800W 5200S 04200W 5915S 04200W
C5915S 04200W 5500S 04200W 6300S 06716W 6700S 06716W
LOW 978HPA 57S 50W MOV SE DPN EXTENDS CFNT AT 57S 48W 50S 41W 45S 44W
LOW 1011HPA 40S 40W MOV SE DPN EXP 48S 26W BY 12/2100
HIGH 1017HPA 35S 57W NC
LOW 984HPA 52S 70W MOV E NC EXP 52S 54W BY 12/2100
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-13
COASTAL AREAS:
INNER RIO DE LA PLATA: VRB 3 PROB OF FOG MIST IMPR STARTING EARLY MORNING VIS
MODERATE OCNL POOR TO GOOD
OUTER RIO DE LA PLATA: NW 3/4 PROB OF FOG MIST IMPR STARTING EARLY MORNING VIS
MODERATE OCNL POOR TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR S 3/4 PROB OF FOG MIST IMPR STARTING EARLY
MORNING VIS MODERATE OCNL POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NW 4/5 PROB OF MIST IMPR STARTING EARLY
MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 5/6 WITH GUSTS VIS GOOD TO
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 6/7 WITH GUSTS PROB OF ISOL
RAIN VIS POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 7 WITH GUSTS BACK SECTOR S 8 WITH
GUSTS BY 12/1200 PROB OF HVY RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): VRB 5 WITH GUSTS VEER SECTOR S 7/9 WITH
GUSTS BY 12/0300 PROB OF SNOW FALL NEXT HVY SNOW FALL VIS VERY POOR TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 7/9 WITH GUSTS PROB OF SNOW FALL
NEXT HVY SNOW FALL VIS VERY POOR TO POOR
ISLAS MALVINAS COASTS: VRB 6 WITH GUSTS VEER 7/8 WITH GUSTS BY 12/1200 PROB OF
RAIN NEXT RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 7 WITH GUSTS PROB OF RAIN
VIS POOR
REST OF THE AREA: VRB 3/5 PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS GOOD
TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 6/8 WITH GUSTS PROB
OF HVY RAIN STARTING EARLY MORNING VIS MODERATE TO VERY POOR
REST OF THE AREA: SECTOR N 7 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 12/1500
PROB OF HVY RAIN IMPR STARTING EVENING VIS POOR OCNL VERY POOR TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5 VEER SECTOR N 6/7
WITH GUSTS BY 12/0600 PROB OF RAIN STARTING EARLY MORNING VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 6/7 WITH GUSTS PROB OF RAIN VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR N 7/8 WITH GUSTS BACK
SECTOR W 7 WITH GUSTS BY 12/1500 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR
OCNL VERY POOR
REST OF THE AREA: SECTOR N 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 12/1500
PROB OF RAIN SNOW FALL VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 8 WITH GUSTS VEER
SECTOR N 7 WITH GUSTS BY 12/1800 PROB OF RAIN SNOW FALL VIS VERY POOR OCNL
POOR
REST OF THE AREA: SECTOR W 8/7 WITH GUSTS VEER SECTOR S 6/7 WITH GUSTS BY
12/1200 PROB OF RAIN SNOW FALL VIS VERY POOR OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 4/6 WITH GUSTS PROB OF SNOW FALL
VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 12, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 987HPA 64S 63W MOV E WKN
LOW 974HPA 60S 45W MOV SE DPN
LOW 975HPA 73S 87W MOV E WKN
RIDGE 60S 80W 65S 75W 68S 74W MOV E INTSF
HIGH 991HPA 69S 59W MOV E INTSF
111400 UTC 1.SEA ICE LIMIT 6102S 02000W 5851S 02618W 5740S 03217W 5816S 03757W 5927S 04317W 5909S 04814W 6130S 05247W 6242S 05654W 6327S 06032W 6405S 06336W 6518S 06558W 6604S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5431S 03245W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4905S 02518W 4X1NM ICEBERG2 6152S 05553W 2X1NM ICEBERG3 6057S 05238W 2X1NM 4.ICEBERGS AREA A6011S 02000W 4300S 02000W 4200S 02800W 5745S 02800W B5745S 02800W 4900S 02800W 5200S 04200W 5915S 04200W C5915S 04200W 5500S 04200W 6300S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-13
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 VEER SECTOR W 3/4 BY 12/1200 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/5 VEER SW 4/5 BY 12/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 VEER SECTOR W 3/4 BY 12/1200 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/5 VEER SW 4/5 BY 12/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS EVENING VIS GOOD TO MODERATE
GERLACHE STRAIT : SECTOR E 4/3 BACK NE 3/4 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : NE 3/4 VEER SECTOR E 4/3 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 5/6 BACK SECTOR S 4/3 BY 12/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 VEER NW 5/6 BY 12/1800 PROB OF MIST PROB OFISOL RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 4/5 BACK SECTOR W 5/6 WITH GUSTS BY 12/1500 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 BACK SECTOR W 4/5 BY 12/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR S 7 WITH GUSTS BY 12/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 3/4 INCR SECTOR N 5/6 BY 12/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/3 VEER SE 4/5 BY 12/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD=