1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-02, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 185: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST
BETWEEN 50S-60S 20W-30W FROM 03/0900
WARNING 184: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 35S-50S AND 20W-40W
WARNING 183: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SW WITH
GUST IN ISLAS MALVINAS CENTRAL WEST AREA (40S- 50S AND 40W- 60W) SOUTH WEST AREA
(50S- 60S AND 40W- 60W) BETWEEN 35S-40S AND 40W-55W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
011400 UTC 1.SEA ICE LIMIT 6833S 02000W 6648S 02845W 6311S 03120W 6508S 03309W
6159S 03802W 6301S 04248W 6208S 05113W 6224S 05316W 6308S 05713W 6336S 06028W
6426S 06356W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5831S 03624W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4805S 02829W 6X3NM ICEBERG2 5022S 02628W
5X3NM ICEBERG3 4733S 02829W 2X1NM ICEBERG4 4752S 02756W 4X2NM ICEBERG5 5801S
03406W 3X1NM ICEBERG6 5828S 03616W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S
02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S
05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
LOW 996HPA 38S 44W MOV SE DPN EXP 45S 24W BY 03/1200 EXTENDS CFNT AT 38S 44W 30S
50W MOV SE EXP 45S 24W 33S 32W 29S 43W BY 03/1200
LOW 980HPA 49S 41W MOV SE DPN EXP 55S 31W BY 03/1200 EXTENDS CFNT AT 49S 41W 44S
41W 41S 42W MOV SE EXP 55S 31W 45S 29W 35S 39W BY 03/1200 ASOCIATED WITH WFNT AT
49S 41W 46S 33W
HIGH 1020HPA 34S 28W MOV E NC EXTENDS RIDGE AT 34S 28W 45S 30W 52S 35W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4/5 WITH GUSTS DECR 4/3 BY 02/2100 BACK SECTOR N
3 BY 3/0900 VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 5/6 WITH GUSTS DECR 4 BY 3/0300 VEER SECTOR N
3/4 BY 3/1200 PROB OF SH DURING THE MORNING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SW 7/6 WITH GUSTS DECR 6/5 WITH GUSTS BY 3/0000 DECR
4/3 BY 3/0600 PROB OF SH IMPR STARTING NIGTH VIS POOR TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SW 7 WITH GUSTS DECR 6/5 WITH GUSTS BY
3/0300 VEER SECTOR W 5/4 BY 3/1200 PROB OF SH RAIN IMPR STARTING NIGTH VIS POOR
TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 7/6 WITH GUSTS DECR 5/4 BY 02/2100
VEER SECTOR N 5/6 WITH GUSTS BY 3/0600 PROB OF SH RAIN DURING THE MORNING VIS
POOR TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 7/6 WITH GUSTS DECR 5/4 BY
02/1800 VEER SECTOR N 5/6 WITH GUSTS BY 3/0600 PROB OF SH DURING THE MORNING NXT
PROB OF MIST STARTING EARLY MORNING VIS POOR OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 7/6 WITH GUSTS DECR 6/5 WITH
GUSTS BY 02/1800 VEER SECTOR N 5/6 WITH GUSTS BY 3/0300 PROB OF SH DURING THE
MORNING NXT PROB OF MIST DRIZZLE RAIN STARTING EARLY MORNING VIS POOR OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 7/6 WITH GUSTS DECR 5/4 BY 02/1800 VEER
SECTOR N 5/6 WITH GUSTS BY 3/0600 PROB OF SH DURING THE MORNING NXT PROB OF MIST
DRIZZLE RAIN STARTING EARLY MORNING VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SW 6/5 WITH GUSTS VEER SECTOR W 4/3 BY 3/0000
VEER SECTOR N 4/5 WITH GUSTS BY 3/1200 PROB OF SH IMPR GRADUALLY PROB OF RAIN
TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 9 WITH GUSTS DECR 7/6 WITH GUSTS BY 02/2100 DECR
4/3 BY 3/1200 PROB OF RAIN SNOW FALL IMPR GRADUALLY VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 6/7 GUST WITH 8 INTENSITY
INCR 7/8 WITH GUSTS BY 02/1800 BACK SW WITH GUSTS BY 3/0900 PROB OF HVY RAIN
STORMS STARTING NOON VIS VERY POOR
REST OF THE AREA: SW 7/8 WITH GUSTS INCR 9 WITH GUSTS BY 02/1800 PROB OF RAIN
STORMS NXT PROB OF SH VIS VERY POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR N 6/7 GUST WITH 8 INTENSITY
INCR 7/8 WITH GUSTS BY 02/1800 BACK SECTOR W 7/6 GUST WITH 8 INTENSITY BY 3/0600
PROB OF RAIN STORMS NXT PROB OF SH RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SW 7/9 WITH GUSTS PROB OF SH RAIN VIS
VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NE 5/6 WITH GUSTS INCR 7/8
WITH GUSTS BY 3/0900 PROB OF HVY RAIN STARTING NIGTH VIS MODERATE TO VERY POOR
REST OF THE AREA: VRB 4 VEER SECTOR E 6/7 WITH GUSTS BY 02/1500 VEER SECTOR S
WITH GUSTS BY 3/0600 PROB OF RAIN SNOW FALL VIS MODERATE TO VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 7/8 WITH GUSTS PROB OF SH OF
SNOW IMPR GRADUALLY VIS VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 7/6 WITH GUSTS DECR 6/5 WITH GUSTS BY
3/0000 4/3 BY 3/0600 PROB OF SH OF RAIN SH OF SNOW VIS POOR TO MODERATE
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 02, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
597/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 63S-66S 58W-52W FROM 02/2100 UNTIL 04/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 992HPA 67S 88W MOV SE DPN EXTENDS CFNT AT 67S 88W 64S 72W 60S 73W MOV E
HIGH 1002HPA 71S 43W MOV NE INTSF
RIDGE 60S 65W 63S 66W 66S 69W MOV E INTSF
WFNT AT 60S 55W 62S 54W 68S 49W MOV S DPN
LOW 999HPA 71S 75W MOV E WKN
011400 UTC 1.SEA ICE LIMIT 6833S 02000W 6648S 02845W 6311S 03120W 6508S 03309W 6159S 03802W 6301S 04248W 6208S 05113W 6224S 05316W 6308S 05713W 6336S 06028W 6426S 06356W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5831S 03624W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4805S 02829W 6X3NM ICEBERG2 5022S 02628W 5X3NM ICEBERG3 4733S 02829W 2X1NM ICEBERG4 4752S 02756W 4X2NM ICEBERG5 5801S 03406W 3X1NM ICEBERG6 5828S 03616W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S 02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S 05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 6/4 BACK SW 4 BY 3/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 6/5 INCR SECTOR S 7 GUST WITH 8 INTENSITY BY 02/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE NIGTH VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 6/4 BACK SW 4 BY 3/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 6/5 INCR SECTOR E 7 GUST WITH 8 INTENSITY BY 3/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
GERLACHE STRAIT : SECTOR E 4/3 BACK NE 3/4 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 4/5 VEER NE 4 BY 02/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR S 5/6 VEER SW 6/7 GUST WITH 8 INTENSITY BY 02/1800 AFTERWARDS SW 9 WITH GUSTS BY 3/0300 PROB OF FOG AND MIST IN PATCHES BLIZZARD PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 BACK SW 3 BY 3/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 5/4 BACK NE 5/4 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/3 BACK NE 4/5 BY 3/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SECTOR E 4/5 VEER SE 5/4 BY 3/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: NE 3/4 VEER SE 4/5 BY 3/0300 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
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 INCR SE 4/5 BY 3/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD=