1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-04-24, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 173: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 45S-60S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 987HPA 52S 41W MOV SE NC EXTENDS CFNT AT 52S 41W 42S 35W 36S 38W
LOW 984HPA 52S 55W MOV E NC EXTENDS CFNT AT 52S 55W 45S 57W 41S 61W
241400 UTC 1.SEA ICE LIMIT 6840S 02000W 6828S 02729W 6327S 03132W 6009S 03309W
6059S 03952W 6217S 05036W 6337S 05311W 6313S 05740W 6339S 06042W 6431S 06416W
6601S 06544W 6644S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5835S 03613W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4704S 02916W 6X3NM ICEBERG2 5002S 02737W
5X3NM ICEBERG3 4718S 02851W 4X2NM ICEBERG4 4655S 02828W 3X1NM ICEBERG5 5752S
03615W 3X1NM ICEBERG6 4407S 03516W 2X1NM 4.ICEBERGS AREA A6859S 02000W 4124S
02000W 4307S 03613W 6507S 03625W B6107S 03625W 4305S 03613W 6002S 05503W 6328S
05500W C6328S 05500W 6002S 05503W 6445S 06716W 6638S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-25
COASTAL AREAS:
INNER RIO DE LA PLATA: VRB 3 FOG MIST DISSIPATING VIS MODERATE
OUTER RIO DE LA PLATA: VRB 3 FOG MIST DISSIPATING VIS GOOD
URUGUAY SOUTH EAST COASTS: VRB 3 FOG MIST DISSIPATING VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SW 4/5 PROB OF RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 6 WITH GUSTS BACK NW 4/5 BY
24/2100 VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 5/6 WITH GUSTS VIS MODERATE
OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 6/7 WITH GUSTS PROB OF ISOL
RAIN VIS POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN
VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN VIS
POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN VIS POOR OCNL
VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 4/5 WITH GUSTS PROB OF
ISOL RAIN VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR W 4/5 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR N 6/7 WITH GUSTS PROB
OF ISOL RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR N 8 WITH GUSTS DECR 6/7 WITH GUSTS BY 25/0000 PROB OF
ISOL RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS DECR 5/6 BY
25/0000 PROB OF ISOL RAIN VIS POOR OCNL VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR N 8 WITH GUSTS PROB OF SH RAIN
VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6/7 GUST WITH 8
INTENSITY DECR 4/5 WITH GUSTS BY 25/0900 PROB OF SH RAIN VIS POOR OCNL VERY
POOR
REST OF THE AREA: SECTOR S 4/5 BACK SECTOR W BY 25/0600 PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/5 WITH GUSTS BACK SECTOR W 6/7
WITH GUSTS PROB OF ISOL RAIN VIS MODERATE TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 24, APRIL 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 972HPA 62S 65W MOV SE DPN
LOW 978HPA 67S 54W MOV SE WKN
LOW 979HPA 69S 44W MOV E WKN
241400 UTC 1.SEA ICE LIMIT 6840S 02000W 6828S 02729W 6327S 03132W 6009S 03309W 6059S 03952W 6217S 05036W 6337S 05311W 6313S 05740W 6339S 06042W 6431S 06416W 6601S 06544W 6644S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5835S 03613W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4704S 02916W 6X3NM ICEBERG2 5002S 02737W 5X3NM ICEBERG3 4718S 02851W 4X2NM ICEBERG4 4655S 02828W 3X1NM ICEBERG5 5752S 03615W 3X1NM ICEBERG6 4407S 03516W 2X1NM 4.ICEBERGS AREA A6859S 02000W 4124S 02000W 4307S 03613W 6507S 03625W B6107S 03625W 4305S 03613W 6002S 05503W 6328S 05500W C6328S 05500W 6002S 05503W 6445S 06716W 6638S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-25
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 5/4 BY 24/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 3/4 VEER NE 3/4 BY 24/1800 PROB OF MIST PROB OFMOD RAIN IMPR STARTING NIGTH VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 5/4 BY 24/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR E 5/6 WITH GUSTS VEER SE 3/4 BY 25/0600 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 3/4 VEER SE 3 BY 25/0000 VIS GOOD
MARGARITA BAY : NW 3/4 VEER NE 3 BY 25/0000 VIS GOOD
EREBUS Y TERROR GULF : SW 7/8 WITH GUSTS INCR SW 9 WITH GUSTS BY 25/0300 PROB OF FOG AND MIST IN PATCHES BLIZZARD ISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 6/7 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 25/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING NIGTH VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 VEER SW 4/5 BY 25/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 5/4 INCR SW 4/5 BY 25/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA W OF 40W: NW 3/4 BACK SW 4/5 BY 24/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: NE 7/5 WITH GUSTS BACK NW 4/5 BY 25/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 3/4 VEER SECTOR W 4/5 BY 25/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE=