1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-29, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 460: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS ISLAS MALVINAS COASTS
FROM 29/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
281400 UTC 1.SEA ICE LIMIT 5317S 02000W 5225S 02618W 5246S 03217W 5533S 03757W
5638S 04317W 5850S 04815W 6050S 05247W 6157S 05655W 6701S 06032W 6219S 06336W
6309S 06558W 6407S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5521S 03650W 28X25NM
D33B 5559S 04221W 21X12NM D35 6006S 04422W 15X6 NM A83 5936S 04930W 12X7NM A85
5721S 04752W 10X3NM ICEBERG1 5700S 04722W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5629S 03908W 9X6NM D33C 6157S 05433W 9X5NM ICEBERG2 5106S 04019W 5X3NM
ICEBERG3 5729S 04654W 5X3NM ICEBERG4 5343S 04314W 4X1NM ICEBERG5 5604S 04148W
2X1NM ICEBERG6 5857S 04903W 2X1NM ICEBERG7 5825S 04348W 2X1NM ICEBERG8 5755S
04529W 6X2NM ICEBERG9 5957S 04342W 2X1NM ICEBERG10 5954S 04206W 4X1NM ICEBERG11
6037S 05240W 4X1NM ICEBERG12 5426S 04330W 2X1NM ICEBERG13 6219S 06237W 4X1NM
4.ICEBERGS AREA A5541S 02000W 5000S 02000W 5000S 03455W 5611S 03500W B5611S
03500W 4800S 03505W 4755S 04458W 5946S 04504W C5946S 04504W 5400S 04505W 6055S
06716W 6537S 067016W
RIDGE 35S 41W 38S 47W 42S 52W MOV E NC
LOW 1019HPA 40S 58W MOV NE WKN EXTENDS CFNT AT MOV NE
HIGH 1018HPA MOV NE INTSF EXP 40S 50W BY 30/0000
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-30
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3/4 VEER E 3 WORSENING WITH PROB OF SH STORMS SPELLS
OF GOOD WEATHER VIS GOOD TO MODERATE OCNL POOR
OUTER RIO DE LA PLATA: NE 4 VEER E 4 WITH GUSTS PROB OF ISOL SH STORMS SPELLS OF
GOOD WEATHER VIS GOOD TO MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: VRB 3 VEER SECTOR E 3/4 PROB OF FOG MIST DURING THE
EARLY MORNING VIS MODERATE OCNL POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 4/3 PROB OF HVY RAIN STORMS NXT SH
RAIN VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3 VEER NE 4/5 PROB OF FOG MIST
DURING THE EARLY MORNING VIS POOR TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/3 BACK SECTOR N 5/7 GUST
WITH 8 INTENSITY PROB OF FOG MIST STARTING EARLY MORNING VIS POOR OCNL
MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 GUST WITH 8 INTENSITY INCR
7/8 WITH GUSTS BY 29/1800 VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/6 GUST WITH 8 INTENSITY INCR 7/8
WITH GUSTS BY 29/0900 WORSENING WITH PROB OF SH RAIN TOWARDS THE END OF THE
PERIOD VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5/6 GUST WITH 8 INTENSITY BACK
SECTOR S 5 WITH GUSTS BY 29/2100 WORSENING WITH LOW PROBABILITY OF SH RAIN
TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR N 5/6 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY
29/2100 VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4 PROB OF ISOL RAIN SPELLS
OF GOOD WEATHER VIS MODERATE OCNL GOOD
E OF 45W: SW 4/5 WITH GUSTS PROB OF SH RAIN STARTING EVENING IMPR VIS POOR TO
GOOD
REST OF THE AREA: VRB 3 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 5/4 WITH GUSTS PROB
OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
REST OF THE AREA: SW 5/4 VEER VRB 3 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER
VIS MODERATE OCNL GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 5 BACK S 4 PROB OF ISOL
RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
REST OF THE AREA: VRB 3 VEER SECTOR N 5 WITH GUSTS VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR S 6/5 WITH GUSTS VEER
SW 4 PROB OF ISOL SNOW FALL TOWARDS THE END OF THE PERIOD IMPR VIS MODERATE TO
GOOD
REST OF THE AREA: VRB 3 VEER SECTOR W 3/4 PROB OF ISOL SNOW FALL DURING THE
MORNING IMPR VIS MODERATE TO GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: VRB 5 WITH GUSTS VEER NW 5/6
WITH GUSTS PROB OF DRIZZLE RAIN STARTING EARLY MORNING IMPR VIS MODERATE OCNL
GOOD
REST OF THE AREA: W 4 VEER NW 5/6 WITH GUSTS VIS GOOD TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/6 GUST WITH 8 INTENSITY BACK NW 4
PROB OF DRIZZLE RAIN STARTING EARLY MORNING NEXT WKN VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 28, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1254/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-66S 80W-70W FROM 29/0300 UNTIL 29/1500
1255/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MARGARITA BAY MOV S WEAKENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 65S-68S 75W-68W FROM 29/0900 UNTIL 29/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
TROUGH 67S 85W 66S 79W 65S 72W MOV E DPN
TROUGH 64S 61W 64S 55W 63S 50W MOV E DPN
HIGH 1003HPA 66S 43W MOV E WKN
271400 UTC 1.SEA ICE LIMIT 5316S 02000W 5302S 02618W 5340S 03218W 5700S 03758W 5713S 04316W 5901S 04814W 6221S 05247W 6244S 05654W 6204S 06033W 6217S 06336W 6303S 06559W 6350S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5522S 03640W 28X25NM D33B 5604S 04223W 21X12NM D35 6006S 04422W 15X6 NM A83 5939S 04926W 12X7NM A85 5735S 04802W 10X3NM ICEBERG1 5718S 04749W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5627S 03910W 9X6NM D33C 6155S 05424W 9X5NM ICEBERG2 5125S 04032W 5X3NM ICEBERG3 5734S 04652W 5X3NM ICEBERG4 5358S 04257W 4X1NM ICEBERG5 5604S 04148W 2X1NM ICEBERG6 5900S 04907W 2X1NM ICEBERG7 5830S 04352W 2X1NM ICEBERG8 5803S 04537W 6X2NM ICEBERG9 6001S 04341W 2X1NM ICEBERG10 5956S 04211W 4X1NM ICEBERG11 6040S 05247W 4X1NM ICEBERG12 5426S 04330W 2X1NM ICEBERG13 6221S 06248W 4X1NM 4.ICEBERGS AREA A5421S 02000W 4900S 02000W 5000S 04100W 5900S 04100W B5900S 04100W 5000S 04100W 5700S 06716W 6430S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-29
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 4/5 BACK SECTOR N 5/6 WITH GUSTS BY 29/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 INCR SECTOR W 4/5 BY 29/0000 PROB OF FOG PATCHES PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 DECR SECTOR N 4/3 BY 29/0000 AFTERWARDS NW 5/6 WITH GUSTS BY 29/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 3/4 BACK SECTOR W 4/5 BY 28/2100 AFTERWARDS NW 5/6 WITH GUSTS BY 29/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
GERLACHE STRAIT : NE 4/5 BACK SECTOR N 4/3 BY 29/0000 AFTERWARDS NE 6/7 WITH GUSTS BY 29/0900 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE OCNL POOR
MARGARITA BAY : NE 5/6 WITH GUSTS BACK SECTOR N 4/5 BY 29/0000 AFTERWARDS NE 7/8 WITH GUSTS BY 29/0900 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE OCNL POOR
EREBUS Y TERROR GULF : SECTOR E 4/3 BACK SECTOR N 4/3 BY 29/0300 AFTERWARDS SECTOR N 6/7 WITH GUSTS BY 29/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 5/6 WITH GUSTS BACK SECTOR W 4/5 BY 29/0000 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 29/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING TOWARDS THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS BY 29/0000 AFTERWARDS SECTOR N 7/8 BY 29/0600 PROB OF MIST PROB OFMOD RAIN SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 BACK SECTOR N 5/6 WITH GUSTS BY 28/2100 AFTERWARDS NE 6/7 WITH GUSTS BY 29/0600 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR S 3/4 BACK SECTOR E 4/3 BY 28/2100 AFTERWARDS SECTOR N 4/3 BY 29/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 4/5 VEER SW 4/3 BY 29/0600 PROB OF MIST IMPR GRADUALLY TOWARDS THE MIDDLE OF THE PERIOD VIS MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 VEER SW 4/5 BY 29/0600 PROB OF MIST DISSIPATING DURING THE EVENING VIS MODERATE TO GOOD=