1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-13, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 253: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST BETWEEN 50S-60S 40W-50W FROM 14/0900
WARNING 252: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) UNTIL 14/0900
WARNING 251: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S 20W-40W
WARNING 250: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 9 FROM SECTOR
N WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) UNTIL 14/1200
WARNING 249: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE
AREA (55S- 60S AND 60W- 67W) FROM 13/1500
WARNING 247: LOW 973HPA AT 54S 42W MOV SE DEEPENING PROVOKES WINDS FORCE 8
AROUND ITSELF WITH GUST BETWEEN 45S-55S AND 40W-50W UNTIL 13/2100
WARNING 246: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 43S-50S AND 30W-50W UNTIL 13/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
121400 UTC 1.SEA ICE LIMIT 5954S 02000W 5757S 02617W 5819S 03217W 5844S 03757W
5938S 04316W 5936S 04814W 6220S 05247W 6254S 05655W 6333S 06033W 6409S 06336W
6521S 06559W 6603S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5410S 03229W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4907S 02557W 4X1NM ICEBERG2 6149S 05540W
2X1NM ICEBERG3 6043S 05211W 2X1NM 4.ICEBERGS AREA A6011S 02000W 4300S 02000W
4215S 02850W 5745S 02800W B5745S 02800W 4915S 02850W 5307S 03845W 5915S 04200W
C5915S 04200W 5307S 03845W 6558S 06716W 6700S 06716W
LOW 973HPA 54S 42W MOV SE DPN EXTENDS CFNT AT 54S 42W 45S 43W 36S 58W ASOCIATED
WITH OFNT AT 54S 42W 53S 54W 47S 52W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-14
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 3 BACK SECTOR S 5/3 MIST FOG PATCHES DISSIPATING PROB
OF RAIN STARTING EVENING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: NW 3 BACK SECTOR S 5/3 MIST FOG PATCHES DISSIPATING PROB
OF RAIN STARTING EVENING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NW 3 BACK SECTOR S 5/4 WITH GUSTS MIST FOG PATCHES
DISSIPATING PROB OF RAIN STARTING EVENING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 4/5 WITH GUSTS DECR 4 MIST FOG
PATCHES DISSIPATING PROB OF SH RAIN IMPR DURING THE EARLY MORNING VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 3/4 VEER W 4/5 MIST FOG PATCHES
DISSIPATING PROB OF SH RAIN IMPR DURING THE EARLY MORNING VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SW 6/5 WITH GUSTS VEER SECTOR W 5/6
WITH GUSTS PROB OF SH RAIN IMPR TOWARDS NIGTH VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 6/5 WITH GUSTS VEER SECTOR W 5/6 WITH
GUSTS PROB OF SH RAIN IMPR TOWARDS EVENING VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 5/6 WITH GUSTS VEER SECTOR W 6/8 WITH
GUSTS BY 13/1500 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SW 5/6 WITH GUSTS VEER SECTOR W 6/8 WITH
GUSTS BY 13/1500 PROB OF ISOL RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER
VIS POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SW 5/6 WITH GUSTS VEER SECTOR W 6/8 WITH GUSTS BY 13/2100
PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 4/6 WITH GUSTS PROB OF
RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 4/6 WITH GUSTS PROB OF ISOL RAIN STORMS SPELLS OF
GOOD WEATHER VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 5/4 WITH GUSTS VEER
SECTOR N 5/6 WITH GUSTS PROB OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
POOR
N OF 45 - W OF 30W: SECTOR N 5/6 WITH GUSTS BACK SECTOR S 3/5 WITH GUSTS PROB
OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR
REST OF THE AREA: SECTOR N 8/6 WITH GUSTS BACK SECTOR W 6/4 WITH GUSTS BY
13/2100 BACK SECTOR S 4/3 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 6/8 WITH GUSTS BACK SECTOR S
6 WITH GUSTS VEER SECTOR W 6 GUST WITH 8 INTENSITY PROB OF SH RAIN SPELLS OF
GOOD WEATHER VIS POOR OCNL VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) S OF 55S: SECTOR N 6/8 WITH GUSTS BACK
SECTOR W 6/8 WITH GUSTS PROB OF RAIN SNOW FALL IMPR TOWARDS THE END OF THE
PERIOD VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR N 8/6 WITH GUSTS BACK SECTOR W 5 WITH GUSTS PROB OF
ISOL RAIN SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55 - E OF 50W: SECTOR N 6/8 WITH
GUSTS BACK SECTOR S 8/6 WITH GUSTS VEER SECTOR N 5/8 WITH GUSTS PROB OF RAIN
RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR
S OF 55 - E OF 50W: SECTOR S 6 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS VEER
SECTOR N 6/8 WITH GUSTS PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD
WEATHER VIS POOR
REST OF THE AREA: SECTOR S 6 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS BACK
SECTOR W 6 GUST WITH 8 INTENSITY PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF
GOOD WEATHER VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/8 WITH GUSTS PROB OF RAIN SNOW
FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
790/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST BACK SW IN 60S-67S 87W-70W UNTIL 14/0900
791/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SW IN 60S-64S 70W-60W UNTIL 14/0900
792/2026 STRONG BARIC GRADIENT MARGARITA BAY GERLACHE STRAIT MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST IN 65S-69S 70W-65W UNTIL 14/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 956HPA 67S 72W MOV E DPN EXTENDS CFNT AT 67S 72W 64S 68W 60S 70W MOV E
LOW 975HPA 64S 57W MOV SE DPN
HIGH 986HPA 70S 40W MOV E WKN
121400 UTC 1.SEA ICE LIMIT 5954S 02000W 5757S 02617W 5819S 03217W 5844S 03757W 5938S 04316W 5936S 04814W 6220S 05247W 6254S 05655W 6333S 06033W 6409S 06336W 6521S 06559W 6603S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5410S 03229W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4907S 02557W 4X1NM ICEBERG2 6149S 05540W 2X1NM ICEBERG3 6043S 05211W 2X1NM 4.ICEBERGS AREA A6011S 02000W 4300S 02000W 4215S 02850W 5745S 02800W B5745S 02800W 4915S 02850W 5307S 03845W 5915S 04200W C5915S 04200W 5307S 03845W 6558S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 8 WITH GUSTS BACK SW 7/8 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 7 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 8 WITH GUSTS BACK SW 7/8 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 7 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS MODERATE TO VERY POOR
GERLACHE STRAIT : SECTOR E 7/8 WITH GUSTS BACK SE 5/4 BY 14/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR E 7 GUST WITH 8 INTENSITY BACK NE 4/3 BY 14/0000 PROB OF MIST IMPR DURING THE NIGTH VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : NW 4/5 BACK SW 7/8 WITH GUSTS BY 14/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFISOL RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 7/8 WITH GUSTS DECR SW 5/4 BY 14/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR STARTING EVENING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 3/4 VEER SW 5/4 BY 14/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: SECTOR S 3/4 BACK SE 4/5 BY 14/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 3/4 BACK NE 4/5 BY 13/1800 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK NE 4/3 BY 14/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE=