1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-03, 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 MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
S WITH GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS
FROM 04/0000
WARNING 238: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-60S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1032HPA 35S 46W MOV NE INTSF EXP 37S 42W BY 04/0600
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 2026-06-4
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4/3 VEER E 3 FOG AND MIST IN PATCHES DISSIPATING VIS
GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: NE 3 TEMPO VEER E FOG AND MIST IN PATCHES DISSIPATING VIS
GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NE 3/4 PROB OF RAIN STARTING EVENING VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/3 FOG AND MIST IN PATCHES
DISSIPATING PROB OFISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 BACK NW 4/3 FOG AND MIST
IN PATCHES DISSIPATING PROB OF RAIN SPELLS OF GOOD WEATHER STARTING NIGTH VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6/5 WITH GUSTS BACK SECTOR W 3
BACK SECTOR E PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6/4 WITH GUSTS BACK SECTOR S
4/3 PROB OF DRIZZLE RAIN IMPR STARTING EVENING VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6/5 WITH GUSTS BACK SECTOR S 6/8
WITH GUSTS BY 4/0000 BACK SECTOR W 5/4 PROB OF HVY RAIN IMPR TOWARDS THE END OF
THE PERIOD VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/5 WITH GUSTS BACK SECTOR S 6/8
WITH GUSTS BY 4/0000 PROB OF HVY RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR N 6/5 WITH GUSTS BACK SECTOR S 6/8 WITH GUSTS BY
4/0300 PROB OF HVY RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 5 WITH GUSTS BACK SECTOR S
5/6 WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL
GOOD
E OF 45W: SW 5/4 WITH GUSTS BACK SE 4/3 PROB OF ISOL SH RAIN SPELLS OF GOOD
WEATHER VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 3/5 WITH GUSTS PROB OF ISOL SH RAIN VIS GOOD OCNL
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6 GUST WITH 8 INTENSITY VEER W 6/5
WITH GUSTS PROB OF SH RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS
MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 4/3 VEER SECTOR N
3/6 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS BACK SECTOR W 5 WITH GUSTS PROB OF
RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 6/8 WITH GUSTS DECR 6 WITH GUSTS
PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR OCNL VERY
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 4/3 VEER SECTOR W 3/5
WITH GUSTS VEER SECTOR N 4/5 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD WEATHER
VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 6/4 WITH GUSTS PROB OF HVY RAIN SPELLS OF GOOD
WEATHER VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 6/5 WITH GUSTS BACK SECTOR S 4/6
WITH GUSTS PROB OF HVY RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 03, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
749/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 60S-70S 90W-70W UNTIL 04/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 976HPA 60S 80W MOV SE DPN EXTENDS WFNT AT 60S 80W 63S 75W MOV SE
HIGH 1002HPA 73S 51W MOV NE INTSF EXTENDS RIDGE AT 73S 51W 65S 52W 60S 50W MOV E
021400 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 5549S 03226W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5017S 02735W 4X1NM ICEBERG2 6341S 05605W 2X1NM ICEBERG3 6219S 05755W 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 2026-06-4
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 6/7 WITH GUSTS BACK NW 6/7 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/6 WITH GUSTS VEER SECTOR N 7 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NE 6/7 WITH GUSTS BACK NW 6/7 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/6 WITH GUSTS VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
GERLACHE STRAIT : NE 4/5 INCR NE 6/7 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 5/4 VEER SECTOR E 3 BY 03/2100 VIS GOOD
EREBUS Y TERROR GULF : NE 3/4 BACK NW 5/7 WITH GUSTS BY 4/0300 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NE 7/8 WITH GUSTS BACK NW 8 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 7/8 WITH GUSTS DECR NE 5 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 7/8 WITH GUSTS VEER SECTOR E 7 WITH GUSTS BY 4/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 6/7 GUST WITH 8 INTENSITY DECR SW 5/4 WITH GUSTS BY 03/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 WITH GUSTS BY 4/0000 VIS GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/7 GUST WITH 8 INTENSITY DECR SE 7/5 BY 4/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE OCNL VERY POOR=