1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-6, 00:00 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 21:00UTC
LOW 1005HPA 46S 27W MOV NE NC EXTENDS CFNT AT 46S 28W 46S 34W 47S 38W MOV NE
LOW 1005HPA 55S 31W MOV NE NC EXTENDS CFNT AT 55S 31W 56S 37W 58S 41W MOV NE
LOW 1011HPA 49S 46W MOV NE WKN EXTENDS OFNT AT 49S 50W 51S 46W 48S 38W MOV NE
LOW 1017HPA 40S 47W MOV NE DPN EXP 39S 35W BY 07/0000 EXTENDS CFNT AT 40S 47W
38S 52W 38S 58W MOV NE
HIGH 1023HPA 45S 60W NOT MOV NC EXTENDS RIDGE AT 45S 60W 49S 61W 58S 57W
051400 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 5530S 03243W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6159S 05648W
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-7
COASTAL AREAS:
INNER RIO DE LA PLATA: VRB 3 VEER SE 3 BY 6/2100 PROB OF FOG MIST DISSIPATING
DRIZZLE STARTING NOON PROB OFINTERMITTENT VIS POOR TO MODERATE
OUTER RIO DE LA PLATA: VRB 3 VEER SE 3 BY 6/2100 PROB OF FOG MIST DISSIPATING
DRIZZLE STARTING NOON PROB OFINTERMITTENT VIS POOR TO MODERATE
URUGUAY SOUTH EAST COASTS: VRB 3 VEER SE 3 BY 6/2100 PROB OF FOG MIST
DISSIPATING DRIZZLE STARTING NOON PROB OFINTERMITTENT VIS POOR TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): VRB 3 VEER SECTOR E 3 BY 6/1200 PROB OF
FOG MIST DRIZZLE RAIN VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 3 PROB OF ISOL FOG MIST
DRIZZLE VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): NE 4 PROB OF MIST FOG PATCHES NXT SH
RAIN VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4 PROB OF FOG MIST NXT ISOL
DRIZZLE RAIN VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/4 BACK SECTOR S 4 BY 6/2100 PROB
OF MIST FOG PATCHES NXT ISOL DRIZZLE RAIN VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5/4 BACK SECTOR S 4 BY 6/2100 PROB
OF MIST FOG PATCHES NXT ISOL DRIZZLE RAIN VIS MODERATE OCNL POOR.
ISLAS MALVINAS COASTS: NE 3 VEER SECTOR N 4 BY 6/1500 WORSENING WITH PROB OF
ISOL DRIZZLE TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 5/6 GUST WITH 8 INTENSITY
VEER NW 6 GUST WITH 8 INTENSITY BY 6/1800 PROB OF ISOL SH STORMS VIS MODERATE TO
POOR
E OF 45W: SECTOR W 6 WITH GUSTS BACK SECTOR S 5 WITH GUSTS BY 6/1500 PROB OF
RAIN STORMS NXT SH RAIN VIS POOR TO MODERATE
REST OF THE AREA: SECTOR S 4 WITH GUSTS PROB OF ISOL SH RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 5 WITH GUSTS BACK
SECTOR S 5 BY 6/0900 PROB OF SH RAIN VIS MODERATE
REST OF THE AREA: SW 4 BACK S 5 WITH GUSTS BY 6/1500 PROB OF RAIN AND SNOW
MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR S 5 DECR 4 BY 6/2100
PROB OF SH RAIN NXT DRIZZLE VIS MODERATE
E OF 50 - S OF 45S: SECTOR S 5/4 WITH GUSTS PROB OF DRIZZLE RAIN IMPR TOWARDS
THE END OF THE PERIOD VIS MODERATE OCNL GOOD
REST OF THE AREA: SECTOR S 5/4 VEER VRB 3 BY 6/1800 PROB OF DRIZZLE IMPR VIS
MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 25W: SECTOR S 6 GUST WITH 8
INTENSITY PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR
E OF 35W: SECTOR S 5 WITH GUSTS LOW PROB OF ISOL SNOW FALL VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR S 4 VIS GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 4 VEER VRB 3 BY
6/1800 VIS GOOD
REST OF THE AREA: VRB 3 VEER SECTOR N 3/4 BY 6/2100 VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5 WITH GUSTS BACK SECTOR W 4 BY
6/1800 PROB OF DRIZZLE RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
-----------------------------------------------------------------
NNNN=
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=