1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-30, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 461: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 WITH GUST IN SOUTH
EAST AREA (50S- 60S AND 20W- 40W)
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 987HPA 56S 58W MOV SE NC EXTENDS CFNT AT 57S 56W 51S 61W 43S 57W MOV E
HIGH 1023HPA 41S 51W MOV E NC EXTENDS RIDGE AT 34S 49W 41S 51W 50S 42W MOV E
RIDGE 50S 32W 57S 23W 60S 21W MOV E NC
LOW 1008HPA MOV NE NC EXP 38S 28W BY 31/1200
291400 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 03653W 28X25NM
D33B 5555S 04219W 21X12NM D35 6005S 04419W 15X6 NM A83 5932S 04928W 12X7NM A85
5712S 04739W 10X3NM ICEBERG1 5648S 04707W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5631S 03909W 9X6NM D33C 6157S 05418W 9X5NM ICEBERG2 5250S 04000W 5X3NM
ICEBERG3 5729S 04654W 5X3NM ICEBERG4 5343S 04314W 4X1NM ICEBERG5 5549S 04207W
2X1NM ICEBERG6 5857S 04903W 2X1NM ICEBERG7 5822S 04344W 2X1NM ICEBERG8 5744S
04514W 6X2NM ICEBERG9 5957S 04344W 2X1NM ICEBERG10 5955S 04200W 4X1NM ICEBERG11
6032S 05232W 4X1NM ICEBERG12 5425S 04325W 2X1NM ICEBERG13 6214S 06213W 4X1NM
4.ICEBERGS AREA A5417S 02000W 4900S 02000W 4800S 04000W 5730S 04000W B5730S
04000W 4800S 04000W 5800S 06716W 6530S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-10-31
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 PROB OF HVY RAIN STORMS VIS MODERATE OCNL POOR
OUTER RIO DE LA PLATA: NE 3/4 PROB OF HVY RAIN STORMS VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 PROB OF RAIN STORMS STARTING EARLY
MORNING MIST FOG PATCHES DISSIPATING VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 3/4 PROB OF HVY RAIN STORMS NXT RAIN
MIST FOG PATCHES VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 4/5 WITH GUSTS MIST FOG PATCHES
DISSIPATING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 WITH GUSTS PROB OF ISOL
STORMS MIST FOG PATCHES DISSIPATING VIS MODERATE OCNL GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 3 VEER SECTOR N 4/5 WITH GUSTS
PROB OF MIST FOG PATCHES STARTING EARLY MORNING VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 3 VEER SECTOR N 5/6 WITH GUSTS
PROB OF MIST FOG PATCHES STARTING EARLY MORNING VIS GOOD TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 WITH GUSTS VEER SECTOR N 5/6 WITH
GUSTS PROB OF MIST FOG PATCHES STARTING EARLY MORNING PROB OFISOL RAIN VIS POOR
OCNL MODERATE
ISLAS MALVINAS COASTS: SECTOR W 5/4 WITH GUSTS VEER SECTOR N 4/5 WITH GUSTS PROB
OF RAIN IMPR VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 3 BACK SECTOR W 5/6 WITH
GUSTS PROB OF HVY SH RAIN VIS POOR OCNL MODERATE
E OF 40 - W OF 30W: SECTOR W 5/6 WITH GUSTS BACK SECTOR S 5/4 PROB OF HVY SH
RAIN IMPR VIS POOR TO GOOD
E OF 50 - W OF 40W: SECTOR S 4/3 WITH GUSTS BACK SECTOR E 3 PROB OF SH IMPR VIS
MODERATE TO GOOD
REST OF THE AREA: NE 3/4 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: SECTOR E 5 WITH
GUSTS PROB OF HVY SH STORMS VIS POOR OCNL MODERATE
NW OF THE REGION: SECTOR S 5 WITH GUSTS PROB OF SH IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR E 5 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS PROB OF
RAIN VIS POOR OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) NE OF THE REGION: SECTOR S 5/4 WITH
GUSTS BACK SECTOR N 4 FOG AND MIST IN PATCHES PROB OF DRIZZLE VIS POOR
REST OF THE AREA: SECTOR N 7/6 WITH GUSTS BACK SECTOR W 4/5 WITH GUSTS MIST FOG
PATCHES TOWARDS THE END OF THE PERIOD DISSIPATING PROB OF DRIZZLE VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 8 WITH GUSTS BACK SECTOR W 7 WITH
GUSTS PROB OF DRIZZLE RAIN NXT SNOW FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: NW 7 WITH GUSTS BACK SECTOR W
5/4 WITH GUSTS PROB OF RAIN VIS POOR
REST OF THE AREA: NW 7 WITH GUSTS BACK SECTOR W 7 WITH GUSTS PROB OF SNOW FALL
VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS VEER SECTOR N 5 WITH
GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 30, OCTOBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1260/2026 LOW 950HPA SOUTHERN BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 66S-70S 90W-70W UNTIL 30/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 945HPA 71S 79W MOV S WKN
TROUGH 69S 76W 67S 73W 65S 71W MOV E NC
LOW 965HPA 69S 57W MOV E WKN
TROUGH 68S 48W 67S 43W 65S 39W MOV E NC
RIDGE 61S 31W 64S 31W 66S 32W MOV E NC
291400 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 03653W 28X25NM D33B 5555S 04219W 21X12NM D35 6005S 04419W 15X6 NM A83 5932S 04928W 12X7NM A85 5712S 04739W 10X3NM ICEBERG1 5648S 04707W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5631S 03909W 9X6NM D33C 6157S 05418W 9X5NM ICEBERG2 5250S 04000W 5X3NM ICEBERG3 5729S 04654W 5X3NM ICEBERG4 5343S 04314W 4X1NM ICEBERG5 5549S 04207W 2X1NM ICEBERG6 5857S 04903W 2X1NM ICEBERG7 5822S 04344W 2X1NM ICEBERG8 5744S 04514W 6X2NM ICEBERG9 5957S 04344W 2X1NM ICEBERG10 5955S 04200W 4X1NM ICEBERG11 6032S 05232W 4X1NM ICEBERG12 5425S 04325W 2X1NM ICEBERG13 6214S 06213W 4X1NM 4.ICEBERGS AREA A5417S 02000W 4900S 02000W 4800S 04000W 5730S 04000W B5730S 04000W 4800S 04000W 5800S 06716W 6530S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 5/6 WITH GUSTS BACK SECTOR W 4/5 BY 30/0900 AFTERWARDS SW 4/5 BY 30/1800 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 BACK SECTOR W 4/5 BY 30/0900 AFTERWARDS SW 5/6 WITH GUSTS BY 30/2100 PROB OF ISOL RAIN IMPR STARTING NOON VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 5/6 WITH GUSTS BACK SW 4/5 BY 30/0900 AFTERWARDS SW 5/6 WITH GUSTS BY 30/1800 PROB OF INTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/7 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 30/1200 AFTERWARDS SW 6/7 WITH GUSTS BY 30/2100 PROB OF ISOL RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS GOOD
GERLACHE STRAIT : SECTOR W 5/6 INCR SECTOR W 6/7 WITH GUSTS BY 30/1500 AFTERWARDS SW 5/4 BY 30/2100 PROB OF MOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE
MARGARITA BAY : SECTOR W 5/6 BACK SW 4/5 BY 30/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE
EREBUS Y TERROR GULF : NW 7/6 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY 30/1200 AFTERWARDS SECTOR W 5/4 BY 30/2100 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR W 4/5 DECR SECTOR W 4/3 BY 30/1800 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 6/7 WITH GUSTS DECR SECTOR W 5/6 WITH GUSTS BY 30/1200 AFTERWARDS SECTOR W 5/4 BY 30/2100 PROB OF INTERMITTENT SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 8 WITH GUSTS DECR SECTOR W 6/7 WITH GUSTS BY 30/1200 AFTERWARDS SECTOR W 5/4 BY 30/2100 PROB OF MOD SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA W OF 35W: NW 6/5 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 30/0900 AFTERWARDS SW 5/4 BY 30/2100 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 INCR SECTOR W 6/5 WITH GUSTS BY 30/0900 AFTERWARDS SECTOR W 5/4 BY 30/1800 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 3/4 BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE=