1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-05, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1027HPA 45S 59W MOV SE WKN EXP 53S 55W BY 06/1200 EXTENDS RIDGE AT 45S 59W
55S 62W 60S 60W MOV E EXP 53S 55W 60S 54W 60S 54W BY 06/1200
LOW 1014HPA 48S 34W MOV NE DPN EXP 44S 20W BY 06/1200 EXTENDS CFNT AT 48S 34W
45S 35W 42S 48W 40S 60W EXP 44S 20W 41S 30W 37S 46W BY 06/1200
LOW 1013HPA 51S 48W MOV NE DPN EXP 44S 44W BY 06/1200 EXTENDS OFNT AT 48S 34W
56S 52W 53S 56W 50S 55W EXP 46S 37W 46S 48W 46S 48W 42S 48W BY 06/1200
HIGH 1030HPA 35S 39W MOV NE WKN
LOW 1007HPA 60S 37W MOV NE DPN EXP 48S 20W BY 06/1200 EXTENDS CFNT AT 60S 47W
58S 41W 59S 35W MOV NE EXP 48S 20W 48S 31W 48S 31W 50S 36W BY 06/1200
041400 UTC 1.SEA ICE LIMIT 6224S 02000W 5908S 02618W 5827S 03218W 5829S 03757W
5945S 04317W 5937S 04813W 6053S 05247W 6251S 05655W 6347S 06049W 6409S 06337W
6541S 06605W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5544S 03229W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6212S 05731W
3X1NM 4.ICEBERGS AREA A6242S 02000W 4000S 02000W 4058S 03000W 5828S 03000W
B5828S 03000W 4058S 03000W 5258S 04300W 5950S 04300W C5950S 04300W 5258S 04300W
6006S 05800W 6320S 05800W D6320S 05800W 6006S 05800W 6500S 06716W 6834S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-6
COASTAL AREAS:
INNER RIO DE LA PLATA: VRB 3 PROB OF FOG MIST TEMPORARILY DISSIPATING PROB OF
DRIZZLE SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
OUTER RIO DE LA PLATA: VRB 3 PROB OF FOG MIST TEMPORARILY DISSIPATING PROB OF
DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: VRB 3 PROB OF FOG MIST TEMPORARILY DISSIPATING PROB
OFISOL RAIN STARTING NIGTH VIS MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): VRB 3 PROB OF FOG MIST DRIZZLE SPELLS OF
GOOD WEATHER VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 3/4 PROB OF FOG PATCHES
DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 3/4 BACK SECTOR N PROB OF MIST
FOG PATCHES TEMPORARILY DISSIPATING LOW PROB OFISOL RAIN VIS MODERATE OCNL
POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR E 3/4 BACK SECTOR N PROB OF MIST
FOG PATCHES TEMPORARILY DISSIPATING LOW PROB OFISOL RAIN VIS MODERATE OCNL
POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 PROB OF MIST FOG PATCHES
DISSIPATING PROB OFISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL
POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 PROB OF MIST FOG PATCHES
TEMPORARILY DISSIPATING PROB OFISOL RAIN TOWARDS THE END OF THE PERIOD VIS
MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 5/4 BACK SECTOR N PROB OF SH IMPR PROB OF MIST
FOG PATCHES TEMPORARILY DISSIPATING VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4/6 WITH GUSTS PROB OF SH
RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 4/6 WITH GUSTS BACK SECTOR S 5 PROB OF SH RAIN
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 6/5 WITH GUSTS PROB
OF SH OF RAIN SH OF SNOW SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 4 PROB OF SH OF RAIN
SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR S 4/5 WITH GUSTS PROB
OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 4/5 WITH GUSTS PROB OF
SH SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR S 6 WITH GUSTS PROB OF
SH OF SNOW SPELLS OF GOOD WEATHER VIS POOR
REST OF THE AREA: SECTOR W 4/5 BACK SECTOR S PROB OF SH OF RAIN SH OF SNOW
SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 55W: SECTOR S 4 LOW PROB OF ISOL
RAIN PROB OF FOG PATCHES TEMPORARILY DISSIPATING VIS GOOD OCNL POOR
REST OF THE AREA: SECTOR S 4 BACK VRB LOW PROB OF ISOL RAIN SNOW FALL PROB OF
FOG PATCHES TEMPORARILY DISSIPATING VIS GOOD OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/5 PROB OF RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 05, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
757/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-65S 80W-70W UNTIL 06/1200
758/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE IN 65S-69S 70W-64W FROM 05/1800 UNTIL 06/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 985HPA 62S 87W MOV SE DPN
LOW 1011HPA 63S 62W MOV SE DPN
HIGH 1012HPA 67S 42W MOV NE INTSF EXTENDS RIDGE AT 67S 42W 63S 45W 60S 50W MOV E
041400 UTC 1.SEA ICE LIMIT 6224S 02000W 5908S 02618W 5827S 03218W 5829S 03757W 5945S 04317W 5937S 04813W 6053S 05247W 6251S 05655W 6347S 06049W 6409S 06337W 6541S 06605W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5544S 03229W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6212S 05731W 3X1NM 4.ICEBERGS AREA A6242S 02000W 4000S 02000W 4058S 03000W 5828S 03000W B5828S 03000W 4058S 03000W 5258S 04300W 5950S 04300W C5950S 04300W 5258S 04300W 6006S 05800W 6320S 05800W D6320S 05800W 6006S 05800W 6500S 06716W 6834S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 5/7 GUST WITH 8 INTENSITY VEER SECTOR N 9 BY 05/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 5/7 GUST WITH 8 INTENSITY VEER SECTOR N 9 WITH GUSTS BY 05/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 VEER NW 7 GUST WITH 8 INTENSITY BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 5/6 INCR NE 7/8 WITH GUSTS BY 05/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NE 7 GUST WITH 8 INTENSITY INCR NE 9 WITH GUSTS BY 05/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : SW 3/4 VEER NW 3/4 BY 05/1200 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 7/8 WITH GUSTS INCR SECTOR N 9 WITH GUSTS BY 05/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 4/5 WITH GUSTS INCR NE 7/8 WITH GUSTS BY 6/0000 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 5/7 WITH GUSTS VEER SECTOR E 7/5 BY 6/0000 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 N OF 64S: SW 3/4 VEER SECTOR W 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER SECTOR W 3/4 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 3/4 BY 05/1800 VIS GOOD=