1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-2, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 184: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W) BETWEEN 35S-40S 20W-45W
FROM 02/0900
WARNING 183: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 9 FROM SW WITH
GUST IN CENTRAL WEST AREA (40S- 50S AND 40W- 60W) BETWEEN 35S-40S AND 40W-55W
FROM 02/0600
WARNING 181: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST IN FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W-
67W) BETWEEN 50S-60S AND 50W-60W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 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 984HPA 52S 32W MOV SE WKN EXTENDS OFNT AT 51S 34W 54S 35W 52S 25W 49S 20W
MOV SE
HIGH 1023HPA 35S 35W MOV E NC
LOW 993HPA 48S 51W MOV SE DPN EXP 51S 42W BY 03/0000 EXTENDS CFNT AT 48S 48W 41S
49W 35S 56W MOV NE ASOCIATED WITH OFNT AT 48S 49W 49S 53W 47S 53W
LOW 978HPA 57S 53W MOV NE WKN EXTENDS OFNT AT 54S 56W 58S 58W 59S 49W 56S 45W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 4/5 WITH GUSTS DECR 4/3 BY 2/1500 LOW PROB OF ISOL
RAIN DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 6 WITH GUSTS DECR 5 WITH GUSTS BY 2/1800 PROB OF
ISOL RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SW 7/6 GUST WITH 8 INTENSITY PROB OF SH RAIN SPELLS
OF GOOD WEATHER VIS MODERATE TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SW 6/7 GUST WITH 8 INTENSITY PROB OF SH
RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 6/7 GUST WITH 8 INTENSITY DECR 6/5
WITH GUSTS BY 2/2100 PROB OF SH RAIN VIS MODERATE TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): SW 7/6 GUST WITH 8 INTENSITY DECR 5 BY
2/1800 PROB OF SH RAIN IMPR STARTING EVENING VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 7/6 GUST WITH 8 INTENSITY DECR 5 BY
2/1800 PROB OF SH RAIN IMPR STARTING EVENING VIS POOR TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 7/6 GUST WITH 8 INTENSITY DECR 5 WITH
GUSTS BY 2/1800 PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD
VIS POOR TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SW 8 WITH GUSTS DECR 6 GUST WITH 8 INTENSITY
BY 2/1800 PROB OF ISOL RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
ISLAS MALVINAS COASTS: SW 8 WITH GUSTS DECR 6 GUST WITH 8 INTENSITY BY 2/1800
PROB OF ISOL RAIN AND SNOW MIXTURE VIS POOR TO MODERATE.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: NW 4/5 WITH GUSTS INCR 7/8 WITH
GUSTS BY 2/1800 WORSENING WITH PROB OF RAIN STORMS STARTING EVENING VIS GOOD TO
VERY POOR
E OF 45W: SECTOR N 7/9 WITH GUSTS BACK SW 7/8 WITH GUSTS BY 2/1200 PROB OF HVY
RAIN STORMS VIS VERY POOR
REST OF THE AREA: SW 7/8 GUST WITH 8 INTENSITY PROB OF RAIN STORMS NXT SH RAIN
VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 5 WITH GUSTS INCR
SECTOR N 7/9 WITH GUSTS BY 2/1800 PROB OF HVY SH RAIN TOWARDS THE END OF THE
PERIOD VIS MODERATE TO VERY POOR
REST OF THE AREA: SECTOR N 7/9 WITH GUSTS BACK SECTOR W 6 GUST WITH 8 INTENSITY
BY 2/1800 PROB OF HVY SH RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 6/7 GUST WITH 8
INTENSITY BACK SW 8/9 WITH GUSTS BY 2/0900 PROB OF HVY RAIN STORMS NXT HVY SH
RAIN VIS VERY POOR
REST OF THE AREA: SW 7/9 WITH GUSTS PROB OF SH RAIN VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6/5 WITH GUSTS BACK
SECTOR E 6 GUST WITH 8 INTENSITY BY 2/1200 PROB OF HVY RAIN VIS MODERATE TO VERY
POOR
REST OF THE AREA: SECTOR E 5 WITH GUSTS PROB OF DRIZZLE RAIN VIS MODERATE TO
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: VRB 5 INCR SECTOR S
6/7 GUST WITH 8 INTENSITY BY 2/0900 PROB OF SH RAIN NXT RAIN AND SNOW MIXTURE
VIS MODERATE TO POOR
E OF 50 - S OF 55S: VRB 4/3 INCR SECTOR S 5/6 WITH GUSTS BY 2/1800 PROB OF RAIN
AND SNOW MIXTURE VIS MODERATE TO POOR
REST OF THE AREA: SECTOR S 7/8 WITH GUSTS PROB OF ISOL SNOW FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 8/7 WITH GUSTS DECR 5 WITH GUSTS BY
2/2100 PROB OF RAIN AND SNOW MIXTURE VIS MODERATE TO POOR
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 02, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
596/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 63S-66S 58W-52W FROM 02/2100 UNTIL 03/2300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
CFNT AT 67S 90W 64S 83W 60S 88W MOV E DPN
HIGH 1002HPA 71S 43W MOV E INTSF
RIDGE 60S 73W 65S 72W 67S 70W MOV E INTSF
WFNT AT 60S 59W 62S 58W 67S 50W MOV S DPN
LOW 993HPA 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/7 DECR SECTOR W 5/4 BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 7 GUST WITH 8 INTENSITY VEER SECTOR S 5/6 BY 2/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 6/7 DECR SECTOR W 5/4 BY 2/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 7 GUST WITH 8 INTENSITY VEER SW 5/6 BY 2/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SE 4/3 VEER SW 3/4 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
MARGARITA BAY : NW 4/5 VEER SECTOR N 4 BY 2/1200 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 2/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 6/5 BY 2/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/4 VEER NE 5/7 BY 2/0300 AFTERWARDS SECTOR E 4/5 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 4/3 BACK SE 4 BY 2/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR E 4/5 VEER SE 5/4 BY 2/0900 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: SECTOR E 3/4 VEER SE 4/5 BY 2/1500 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): VRB 3 INCR SE 4 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD=