1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-04, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 239: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST IN ISLAS MALVINAS COASTS UNTIL 04/1800
WARNING 238: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST
BETWEEN 40S-60S AND 20W-30W UNTIL 05/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
031400 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 03230W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6218S 05751W
3X1NM 4.ICEBERGS AREA A6242S 02000W 4400S 02000W 4200S 02600W 5922S 02600W
B5922S 02600W 4200S 02600W 4900S 03700W 6037S 03700W C6037S 03700W 4900S 03700W
5800S 05000W 6000S 05000W D6000S 05000W 5800S 05000W 6400S 06716W 6645S 06716W
LOW 1003HPA 55S 57W MOV NE WKN EXP 50S 49W BY 05/1200 EXTENDS CFNT AT 53S 52W
45S 56W 39S 62W MOV NE
HIGH 1037HPA 40S 42W MOV NE WKN EXP 34S 40W BY 05/1200
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-5
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4 BACK NE PROB OF DRIZZLE DURING THE MORNING NXT
WORSENING WITH PROB OF MIST DRIZZLE VIS MODERATE OCNL GOOD
OUTER RIO DE LA PLATA: SECTOR E 4 PROB OF MIST DRIZZLE SPELLS OF GOOD WEATHER
VIS MODERATE OCNL GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 4 PROB OF FOG DRIZZLE SPELLS OF GOOD WEATHER
VIS MODERATE OCNL GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 PROB OF MIST FOG PATCHES
DURING THE MORNING PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL
POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4 BACK SECTOR E 5 WITH GUSTS
PROB OF HVY RAIN STORMS STARTING EARLY MORNING VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): VRB 4 BACK SECTOR E 5 WITH GUSTS PROB
OF INTERMITTENT FOG DRIZZLE VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 4 BACK NE 5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5 VEER SECTOR N WITH GUSTS VIS
GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 VEER SECTOR N LOW PROB OF ISOL
RAIN IMPR TOWARDS NIGTH VIS MODERATE OCNL GOOD
ISLAS MALVINAS COASTS: SW 7/8 WITH GUSTS DECR 7/6 WITH GUSTS BY 04/1800 PROB OF
SH RAIN VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 45W: SECTOR N 5 WITH GUSTS PROB OF SH
RAIN VIS MODERATE
REST OF THE AREA: SECTOR S 5 WITH GUSTS VEER SECTOR W WITH GUSTS PROB OF ISOL
SH RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 8 WITH GUSTS DECR 7/6
WITH GUSTS BY 5/0900 PROB OF RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF SH RAIN SPELLS OF GOOD WEATHER
VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50 - N OF 45S: SECTOR N 5 WITH
GUSTS BACK SECTOR S WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS
MODERATE
REST OF THE AREA: SECTOR W 6 WITH GUSTS PROB OF ISOL SH RAIN VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 8 WITH GUSTS DECR 7 WITH
GUSTS BY 5/0000 PROB OF SH OF SNOW VIS POOR
REST OF THE AREA: SW 7/5 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR TO
MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) W OF 50W: SW 7/6 WITH GUSTS PROB OF ISOL
SH RAIN VIS POOR TO MODERATE
REST OF THE AREA: VRB 5 WITH GUSTS BACK SECTOR S PROB OF RAIN AND SNOW MIXTURE
VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5 WITH GUSTS VEER SECTOR N WITH
GUSTS PROB OF ISOL RAIN IMPR STARTING NIGTH VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 04, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
753/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-65S 80W-70W FROM 04/2100 UNTIL 05/2300
754/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-67S 90W-70W UNTIL 04/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 999HPA 65S 55W MOV SE DPN
HIGH 1009HPA 69S 43W MOV NE INTSF EXTENDS RIDGE AT 69S 43W 63S 42W 60S 41W MOV E
031400 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 03230W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6218S 05751W 3X1NM 4.ICEBERGS AREA A6242S 02000W 4400S 02000W 4200S 02600W 5922S 02600W B5922S 02600W 4200S 02600W 4900S 03700W 6037S 03700W C6037S 03700W 4900S 03700W 5800S 05000W 6000S 05000W D6000S 05000W 5800S 05000W 6400S 06716W 6645S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-5
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 7 WITH GUSTS BACK NW 8 WITH GUSTS BY 5/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 VEER NW 4/5 BY 5/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 7 WITH GUSTS BACK NW 8 WITH GUSTS BY 5/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 4/5 BY 5/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 5/6 INCR NE 7/8 WITH GUSTS BY 04/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : NE 5/6 WITH GUSTS INCR NE 7/8 WITH GUSTS BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SW 5/4 VEER NW 5/4 BY 5/0000 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 7/8 WITH GUSTS BACK NW 8 WITH GUSTS BY 04/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 7/5 WITH GUSTS BACK NW 5/6 WITH GUSTS BY 04/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 6/5 WITH GUSTS BACK SECTOR N 7 WITH GUSTS BY 5/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NIGTH VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SW 3/4 VEER NW 5/4 WITH GUSTS BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 VEER NE 5/4 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 7/5 GUST WITH 8 INTENSITY DECR SECTOR E 5/4 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD=