1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-12, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 248: LOW 984HPA AT 52S 61W MOV E DEEPENING EXPECTED 55S 40W BY 13/1200
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN PENINSULA DE VALDES COASTS
GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS
MALVINAS COASTS UNTIL 13/0900
WARNING 247: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
W WITH GUST IN CENTRAL WEST AREA (40S- 50S AND 40W- 60W) FROM 13/0300
WARNING 246: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 45S-55S 30W-50W FROM 12/2100
WARNING 245: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 40S-50S AND 20W-30W UNTIL 13/0600
WARNING 243: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 55S-60S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1011HPA 46S 34W MOV E DPN EXTENDS CFNT AT 46S 34W 42S 33W 38S 36W
LOW 984HPA 52S 61W MOV SE DPN EXP 55S 40W BY 13/1200 EXTENDS CFNT AT 52S 61W 46S
62W 43S 64W
CFNT AT 30S 28W 54S 27W 50S 32W MOV E
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 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-13
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR W 3 MIST FOG PATCHES DISSIPATING
VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3 BACK SECTOR W 3 FOG AND MIST IN PATCHES
DISSIPATING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 3 BACK SECTOR S 3 VEER SECTOR W 3 FOG AND
MIST IN PATCHES DISSIPATING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NW 3/5 WITH GUSTS BACK SECTOR S 4 PROB OF
RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 5/6 WITH GUSTS BACK W 4/3 FOG AND
MIST IN PATCHES DISSIPATING PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 5/6 WITH GUSTS BACK SECTOR S 6/8
WITH GUSTS BY 12/1500 DECR 6/5 BY 13/0600 PROB OF ISOL SH RAIN SPELLS OF GOOD
WEATHER VIS MODERATE TO POOR OCNL VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5/6 WITH GUSTS BACK SECTOR S
6/8 WITH GUSTS BY 12/1500 DECR 6/5 BY 13/0600 PROB OF ISOL SH RAIN SPELLS OF
GOOD WEATHER VIS MODERATE TO POOR OCNL VERY POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 4 BACK SECTOR S 6/8 WITH GUSTS BY
12/1500 DECR 6/5 BY 13/0300 PROB OF ISOL SH RAIN RAIN AND SNOW MIXTURE SPELLS OF
GOOD WEATHER VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 8/6 WITH GUSTS VEER SECTOR W 6 WITH
GUSTS VEER SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN RAIN AND SNOW MIXTURE SPELLS
OF GOOD WEATHER VIS POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SECTOR W 3 WITH GUSTS BACK SECTOR S 6/8 WITH GUSTS BY
12/2100 DECR 6 BY 13/0900 PROB OF ISOL SH RAIN RAIN AND SNOW MIXTURE SPELLS OF
GOOD WEATHER VIS POOR OCNL VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 6/4 WITH GUSTS PROB OF
ISOL RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE
REST OF THE AREA: NW 3/4 BACK SECTOR S 4/5 WITH GUSTS PROB OF ISOL RAIN STORMS
STARTING NIGTH VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 6/8 WITH GUSTS BACK
SECTOR W 6/5 WITH GUSTS BY 13/0300 PROB OF RAIN TOWARDS THE END OF THE PERIOD
IMPR VIS POOR
REST OF THE AREA: SECTOR W 4 VEER SECTOR N 5/8 WITH GUSTS BY 13/0300 PROB OF
RAIN SPELLS OF GOOD WEATHER VIS GOOD TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 55 - E OF 50W: SECTOR N 4/6 GUST
WITH 8 INTENSITY BACK SECTOR W 6 GUST WITH 8 INTENSITY PROB OF ISOL HVY SH RAIN
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
S OF 55 - E OF 50W: SECTOR N 4/8 WITH GUSTS BACK SECTOR W 6/8 WITH GUSTS PROB
OF ISOL HVY SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR W 6/8 WITH GUSTS BY 13/0000
PROB OF ISOL HVY SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) S OF 55S: SECTOR N 6 WITH GUSTS BACK
SECTOR W 6/8 WITH GUSTS PROB OF RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS TEMPO BACK SECTOR W 5/4 WITH GUSTS PROB
OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR N 4/8 WITH GUSTS PROB OF ISOL
RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/3 VEER SECTOR E 3/4 VEER SECTOR S
4/6 WITH GUSTS PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS
MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 12, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
787/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-68S 90W-80W FROM 12/1500 UNTIL 13/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 989HPA 61S 58W MOV E WKN
LOW 968HPA 64S 35W MOV SE DPN
LOW 975HPA 73S 87W MOV E WKN
RIDGE 60S 68W 63S 67W 63S 65W MOV E INTSF
HIGH 990HPA 69S 58W 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-13
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 VEER SECTOR W 3/4 BY 12/2100 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 BACK SW 4/5 BY 13/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 VEER SECTOR W 3/4 BY 12/2100 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/3 VEER NW 4/5 BY 13/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR E 4/3 BACK NE 3/4 BY 13/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
MARGARITA BAY : NE 3/4 INCR NE 5/6 BY 13/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SECTOR E 3/4 BACK NE 4/3 BY 12/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR
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 NOON VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 VEER NW 7 GUST WITH 8 INTENSITY BY 12/2100 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 VEER NE 5/7 BY 12/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL DURING THE EVENING WORSENING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 65S: SECTOR S 5/7 GUST WITH 8 INTENSITY VEER SW 4/3 BY 12/2100 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 VEER SW 3/4 BY 13/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/3 BACK SE 4/5 BY 13/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD=