1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 02, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
744/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 62S-65S 58W-50W UNTIL 02/0600
745/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-64S 50W-30W UNTIL 02/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
TROUGH 70S 90W 68S 80W 66S 72W MOV SE WKN
RIDGE 60S 68W 65S 60W 70S 59W MOV E INTSF
011400 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 5556S 03222W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5017S 02735W 4X1NM ICEBERG2 6341S 05615W 2X1NM ICEBERG3 6234S 05812W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/5 WITH GUSTS VEER SECTOR W 4/5 BY 2/2100 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: SW 7/5 GUST WITH 8 INTENSITY VEER SECTOR W 5/4 BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 6/5 WITH GUSTS VEER SECTOR W 4/5 BY 2/2100 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: SW 7/5 GUST WITH 8 INTENSITY VEER SECTOR W 5/4 BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 3/4 VEER SECTOR E 4/3 BY 2/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MARGARITA BAY : NE 3/4 INCR NE 5/6 BY 2/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 7/5 VEER NW 4/5 BY 2/1500 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 6/7 WITH GUSTS VEER NE 7 GUST WITH 8 INTENSITY BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 5/7 WITH GUSTS VEER NE 6/7 WITH GUSTS BY 2/1200 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 5/6 WITH GUSTS BACK SECTOR N 7 GUST WITH 8 INTENSITY BY 2/1500 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 6/7 GUST WITH 8 INTENSITY DECR SW 6/5 WITH GUSTS BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/5 WITH GUSTS BACK SECTOR S 5/4 WITH GUSTS BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/4 BACK SE 4/3 BY 2/1200 VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-2, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 237: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 45S-60S 30W-40W FROM 02/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 980HPA 48S 23W MOV E NC EXTENDS CFNT AT 47S 22W 44S 21W 36S 27W 35S 29W MOV
E
LOW 974HPA 52S 24W MOV E WKN EXTENDS CFNT AT 52S 24W 50S 23W 49S 23W MOV E
LOW 984HPA 53S 33W MOV NE NC EXP 48S 20W BY 02/1500 EXTENDS CFNT AT 53S 34W 53S
42W 55S 47W MOV NE
HIGH 1030HPA 43S 58W MOV NE NC EXP 36S 46W BY 03/0000 EXTENDS RIDGE AT 43S 58W
51S 61W 56S 63W MOV E
011400 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 5556S 03222W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5017S 02735W 4X1NM ICEBERG2 6341S 05615W
2X1NM ICEBERG3 6234S 05812W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/3 PROB OF MIST FOG PATCHES DISSIPATING TOWARDS
NOON VIS MODERATE OCNL POOR TO GOOD
OUTER RIO DE LA PLATA: SECTOR E 3 PROB OF MIST FOG PATCHES DISSIPATING TOWARDS
NOON VIS MODERATE OCNL POOR TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 3 VEER NE 3/4 BY 2/1800 PROB OF MIST FOG
PATCHES DISSIPATING TOWARDS NOON LOW PROB OFISOL DRIZZLE VIS MODERATE OCNL POOR
TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3 VEER N 3 BY 2/1200 PROB OF
MIST FOG PATCHES DISSIPATING TOWARDS NOON VIS MODERATE OCNL POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4 WITH GUSTS LOW PROB OF
DRIZZLE RAIN VIS MODERATE OCNL GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 GUST WITH 8 INTENSITY PROB
OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6 GUST WITH 8 INTENSITY DECR 5
BY 2/1500 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 GUST WITH 8 INTENSITY PROB OF
DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 INCR 6 GUST WITH 8 INTENSITY BY
2/2100 PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR W 4 VEER SECTOR N 5/6 GUST WITH 8 INTENSITY BY
2/1500 PROB OF DRIZZLE SPELLS OF GOOD WEATHER VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SW 6/5 GUST WITH 8 INTENSITY PROB
OF SH RAIN NXT DRIZZLE VIS POOR TO MODERATE
E OF 45W: SW 6/5 WITH GUSTS PROB OF ISOL DRIZZLE VIS MODERATE
REST OF THE AREA: SECTOR S 4 VRB 3 SECTOR N 3 PROB OF MIST FOG PATCHES VIS
MODERATE OCNL POOR TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 7/6 GUST WITH 8
INTENSITY SW 7 GUST WITH 8 INTENSITY BY 2/2100 PROB OF SH RAIN NXT RAIN AND SNOW
MIXTURE VIS POOR OCNL MODERATE
W OF 30 - N OF 45S: SW 6 GUST WITH 8 INTENSITY PROB OF SH RAIN VIS MODERATE
OCNL POOR
REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 2/1800 PROB
OF SH RAIN NXT RAIN AND SNOW MIXTURE VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 6 GUST WITH 8 INTENSITY
DECR 5/4 BY 2/1800 PROB OF ISOL DRIZZLE RAIN VIS MODERATE
REST OF THE AREA: SW 4 VEER SECTOR N 3/5 BY 2/1800 WORSENING WITH PROB OF ISOL
DRIZZLE RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 7 GUST WITH 8 INTENSITY
PROB OF SH OF SNOW SNOW FALL VIS POOR
REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY INCR 8 BY 2/1800 PROB OF ISOL SNOW
FALL SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY
DECR 5/4 BY 2/1800 PROB OF ISOL SNOW FALL IMPR VIS MODERATE
REST OF THE AREA: SW 6/5 W 4 BY 2/2100 LOW PROB OF ISOL RAIN VIS MODERATE TO
GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 4 SECTOR N 5 WITH GUSTS BY 2/0900 PROB
OF MIST FOG PATCHES DRIZZLE RAIN VIS MODERATE OCNL POOR
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