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=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-10-30, 00:00 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 ON WILL PROVOKE WINDS FORCE 8 WITH GUST IN
SOUTH EAST AREA (50S- 60S AND 20W- 40W) SOUTH WEST AREA (50S- 60S AND 40W- 60W)
FROM 30/0600
WARNING 460: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 WITH GUST IN
PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS
ISLAS MALVINAS COASTS UNTIL 31/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
HIGH 1020HPA 40S 53W MOV E NC EXP 42S 47W BY 30/2100
LOW 1008HPA 46S 33W MOV NE WKN EXP 40S 30W BY 30/2100
HIGH 996HPA 55S 65W MOV SE NC
LOW 996HPA 50S 68W MOV SE WKN
LOW 996HPA 55S 65W MOV SE NC
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-31
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4/5 PROB OF STORMS STARTING EARLY MORNING NXT HVY
STORMS STARTING EVENING VIS MODERATE TO POOR
INNER RIO DE LA PLATA: SECTOR N 3 PROB OF STORMS STARTING EARLY MORNING NXT HVY
STORMS STARTING EARLY MORNING VIS MODERATE TO POOR
OUTER RIO DE LA PLATA: NE 4/5 PROB OF STORMS STARTING EARLY MORNING NXT HVY
STORMS STARTING EVENING VIS MODERATE TO POOR
URUGUAY SOUTH EAST COASTS: NE 3/4 PROB OF ISOL STORMS SPELLS OF GOOD WEATHER VIS
MODERATE OCNL GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 4 PROB OF ISOL RAIN NXT ISOL STORMS
STARTING EVENING VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 5 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 8/6 WITH GUSTS BACK VRB 5 BY
30/1500 VIS POOR TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 8/7 WITH GUSTS BACK VRB 5 BY
30/1500 VIS POOR TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 8 WITH GUSTS BACK SECTOR W 6/5
WITH GUSTS BY 30/1200 PROB OF RAIN STARTING EARLY MORNING IMPR VIS POOR TO
MODERATE OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6 WITH GUSTS BACK SECTOR W 6 WITH
GUSTS BY 30/0600 PROB OF HVY RAIN NXT RAIN STARTING EVENING IMPR VIS POOR
ISLAS MALVINAS COASTS: SECTOR N 8 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY
30/1500 PROB OF RAIN STARTING EARLY MORNING VIS POOR OCNL VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 4/5 PROB OF SH NXT RAIN
VIS MODERATE OCNL POOR
REST OF THE AREA: VRB 4/3 UNSTABLE VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 4 TEMPO BACK SECTOR
S 5 BY 30/0600 PROB OF RAIN STARTING EVENING IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR S 4 BACK VRB 4 BY 30/1200 PROB OF ISOL RAIN STARTING
EARLY MORNING IMPR VIS MODERATE TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6/5 VEER VRB 4/5 BY
30/0900 PROB OF ISOL RAIN STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR N 6 WITH GUSTS VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: VRB 4/5 VEER NW 6/8 WITH GUSTS
BY 30/1200 VIS GOOD TO POOR
REST OF THE AREA: NW 6/8 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR
TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: NW 6/8 WITH GUSTS PROB OF RAIN
STARTING EARLY MORNING VIS MODERATE TO VERY POOR
REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 30/1800 PROB
OF RAIN VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 5 PROB OF RAIN IMPR TOWARDS THE END OF
THE PERIOD VIS MODERATE TO GOOD
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