1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-01, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 236: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 35S-50S AND 20W-30W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
311400 UTC 1.SEA ICE LIMIT 6342S 02000W 5958S 02618W 5844S 03218W 5825S 03758W
5933S 04316W 5941S 04813W 6029S 05247W 6315S 05655W 6335S 06033W 6415S 06336W
6616S 06605W 6607S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5609S 03220W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4944S 02822W 5X1NM ICEBERG2 6339S 05621W
2X1NM ICEBERG3 6240S 05814W 3X1NM 4.ICEBERGS AREA A6500S 02000W 4300S 02000W
4700S 03500W 6100S 03500W B6300S 05500W 5900S 05500W 4800S 03500W 6100S 03500W
C5800S 05500W 6300S 05500W 6500S 06716W 6830S 06716W
HIGH 1032HPA 46S 63W MOV NE EXP 38S 51W BY 02/1200
LOW 987HPA 52S 29W MOV E DPN EXTENDS CFNT AT 52S 29W 40S 32W 35S 36W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-2
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/5 FOG MIST DISSIPATING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR E 4/5 FOG MIST DISSIPATING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 4/5 FOG MIST DISSIPATING VIS MODERATE TO
GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/5 BACK SECTOR E BY 01/2100
PROB OF DRIZZLE VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 3/5 BACK SECTOR N BY 01/2100
PROB OF DRIZZLE VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/5 BACK SECTOR N 5/6 WITH
GUSTS BY 01/2100 PROB OF ISOL RAIN VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 INCR 5/6 WITH GUSTS BY 01/1500
PROB OF ISOL RAIN VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 INCR 5/6 WITH GUSTS BY 01/2100
PROB OF ISOL RAIN VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR E 4/5 VEER SECTOR N 5/6 WITH GUSTS BY
2/0300 FOG MIST DISSIPATING VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SECTOR W 4/5 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 8 WITH GUSTS BACK SECTOR W
5/6 WITH GUSTS BY 2/0600 PROB OF RAIN STORMS VIS VERY POOR TO POOR
W OF 30 - E OF 45W: SECTOR S 6/7 WITH GUSTS PROB OF SH RAIN VIS POOR OCNL VERY
POOR
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE OCNL
POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 8 WITH GUSTS BACK
SECTOR W 6/7 WITH GUSTS BY 2/0000 PROB OF RAIN STORMS VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN VIS GOOD TO POOR
OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SW 9/7 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 45S: SECTOR N 6/7 WITH GUSTS BACK
SW WITH GUSTS BY 2/0000 PROB OF SH RAIN VIS MODERATE TO POOR
REST OF THE AREA: VRB 3 BACK SW 6/7 WITH GUSTS PROB OF SH RAIN VIS GOOD TO
MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SW 6/7 GUST WITH 8 INTENSITY VIS POOR
OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/5 WITH GUSTS VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 01, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
742/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST BACK IN 61S-65S 62W-50W UNTIL 02/0000
743/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W IN 60S-66S 50W-30W UNTIL 02/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 960HPA 66S 30W MOV E DPN
RIDGE 60S 74W 65S 75W 68S 80W MOV E INTSF
311400 UTC 1.SEA ICE LIMIT 6342S 02000W 5958S 02618W 5844S 03218W 5825S 03758W 5933S 04316W 5941S 04813W 6029S 05247W 6315S 05655W 6335S 06033W 6415S 06336W 6616S 06605W 6607S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5609S 03220W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4944S 02822W 5X1NM ICEBERG2 6339S 05621W 2X1NM ICEBERG3 6240S 05814W 3X1NM 4.ICEBERGS AREA A6500S 02000W 4300S 02000W 4700S 03500W 6100S 03500W B6300S 05500W 5900S 05500W 4800S 03500W 6100S 03500W C5800S 05500W 6300S 05500W 6500S 06716W 6830S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-2
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/5 WITH GUSTS VEER SECTOR W 4/5 BY 01/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 9 WITH GUSTS DECR SW 6/5 WITH GUSTS BY 2/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 6/5 WITH GUSTS VEER SECTOR W 4/5 BY 01/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 9 WITH GUSTS DECR SW 6/5 WITH GUSTS BY 2/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
GERLACHE STRAIT : SW 4/5 BACK SE 3 BY 01/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NW 6/5 VEER NE 4/3 BY 2/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : SW 9 WITH GUSTS DECR SW 6/5 WITH GUSTS BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 6/7 WITH GUSTS VEER NE 7 WITH GUSTS BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 7/5 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 2/0000 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/5 WITH GUSTS VEER NE 5/6 WITH GUSTS BY 01/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 64S: SW 6/7 GUST WITH 8 INTENSITY DECR SW 7/5 WITH GUSTS BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 7/5 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS BY 2/0000 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/4 BACK SE 4/3 BY 2/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD=