1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-04, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1020HPA 43S 45W MOV E NC EXP 45S 35W BY 05/0900
031400 UTC 1.SEA ICE LIMIT 5321S 02000W 5307S 02618W 5416S 03218W 5618S 03757W
5810S 04317W 6016S 04814W 6225S 05247W 6147S 05655W 6152S 06032W 6245S 06336W
6349S 06559W 6431S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5540S 03548W 28X25NM
D33B 5541S 04148W 21X12NM D35 6014S 04429W 15X6 NM A83 5927S 04946W 12X7NM A85
5649S 04518W 10X3NM ICEBERG1 5629S 04511W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5643S 03957W 9X6NM D33C 6142S 05406W 5X3NM ICEBERG2 5053S 03917W 5X3NM
ICEBERG3 5737S 04644W 5X3NM ICEBERG4 5554S 04127W 2X1NM ICEBERG5 5754S 04358W
2X1NM ICEBERG6 5751S 04419W 6X2NM ICEBERG7 5951S 04331W 2X1NM ICEBERG8 6008S
05114W 4X1NM ICEBERG9 6153S 06128W 4X1NM ICEBERG10 6139S 05346W 4X3NM ICEBERG11
5540S 03527W 2X1NM 4.ICEBERGS AREA A5420S 02000W 4900S 02000W 4901S 03900W 5841S
03901W B5841S 03901W 4800S 03900W 5602S 05600W 6416S 05612W C6416S 05612W 5602S
05600W 6155S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-5
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 3/4 PROB OF MIST DURING THE MORNING DISSIPATING PROB
OF RAIN DURING THE EVENING IMPR VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: NE 4/3 BACK SW BY 04/2100 PROB OF MIST DURING THE EVENING
DISSIPATING PROB OFISOL RAIN DURING THE NIGTH IMPR VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: NE 4 BACK SW /4 WITH GUSTS BY 5/0300 PROB OF MIST
DURING THE NIGTH DISSIPATING PROB OFISOL RAIN DURING THE EARLY MORNING IMPR VIS
MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 0/4 BACK SW BY 04/2100 PROB OF MIST
DURING THE EVENING DISSIPATING PROB OF RAIN TOWARDS NIGTH IMPR VIS POOR TO
GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 0/4 VEER NW BY 5/0000 PROB OF MIST
DURING THE MORNING DISSIPATING LOW PROB OFISOL RAIN DURING THE MORNING IMPR VIS
MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SW 4/5 VEER NW BY 5/0000 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: NW 4/3 VEER SW 5/6 WITH GUSTS BY
5/0300 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: NW 4 BACK SW 5/6 WITH
GUSTS BY 5/0300 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): NW 4/5 VEER SW /3 WITH GUSTS BY 5/0300 LOW
PROB OF ISOL RAIN DURING THE NIGTH VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: NW 4 BACK SECTOR S /3 BY 04/1500 LOW PROB OF ISOL RAIN
DURING THE NIGTH VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 5/6 WITH GUSTS N BY 5/0300 PROB
OF RAIN VIS MODERATE OCNL VERY POOR
W OF 45W: NE 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE OCNL VERY POOR
REST OF THE AREA: SW 5/6 VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 50 - N OF 45S: SE 4/5 INCR 6/7
WITH GUSTS BY 5/0600 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO VERY POOR
W OF 30 - N OF 45S: SE 4/5 INCR /6 WITH GUSTS BY 5/0600 VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR W 4 VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50W: N 5 BACK NW /4 BY 5/0300
PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD IMPR VIS GOOD OCNL POOR
W OF 50W: N 5 BACK NW /4 BY 5/0300 PROB OF ISOL RAIN TOWARDS THE END OF THE
PERIOD IMPR VIS GOOD OCNL POOR
E OF 50 - N OF 45S: E 3/4 BACK SECTOR N 4/5 BY 5/0000 VIS GOOD
REST OF THE AREA: W 4 VEER NW 5/6 WITH GUSTS BY 5/0300 VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 5/6 WITH GUSTS VEER NW BY
04/2100 VIS MODERATE
REST OF THE AREA: NW 5/6 WITH GUSTS VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): NW 5/6 WITH GUSTS LOW PROB OF ISOL RAIN
TOWARDS THE END OF THE PERIOD WORSENING VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): NW 6/7 WITH GUSTS BACK SW BY 5/0900 LOW PROB
OF ISOL RAIN VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 04, NOVEMBER 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 963HPA 64S 67W MOV E WKN
TROUGH 60S 80W 62S 75W 63S 70W MOV E NC
LOW 967HPA 67S 52W MOV E DPN
TROUGH 56S 44W 64S 39W 62S 36W MOV E NC
031400 UTC 1.SEA ICE LIMIT 5321S 02000W 5307S 02618W 5416S 03218W 5618S 03757W 5810S 04317W 6016S 04814W 6225S 05247W 6147S 05655W 6152S 06032W 6245S 06336W 6349S 06559W 6431S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5540S 03548W 28X25NM D33B 5541S 04148W 21X12NM D35 6014S 04429W 15X6 NM A83 5927S 04946W 12X7NM A85 5649S 04518W 10X3NM ICEBERG1 5629S 04511W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5643S 03957W 9X6NM D33C 6142S 05406W 5X3NM ICEBERG2 5053S 03917W 5X3NM ICEBERG3 5737S 04644W 5X3NM ICEBERG4 5554S 04127W 2X1NM ICEBERG5 5754S 04358W 2X1NM ICEBERG6 5751S 04419W 6X2NM ICEBERG7 5951S 04331W 2X1NM ICEBERG8 6008S 05114W 4X1NM ICEBERG9 6153S 06128W 4X1NM ICEBERG10 6139S 05346W 4X3NM ICEBERG11 5540S 03527W 2X1NM 4.ICEBERGS AREA A5420S 02000W 4900S 02000W 4901S 03900W 5841S 03901W B5841S 03901W 4800S 03900W 5602S 05600W 6416S 05612W C6416S 05612W 5602S 05600W 6155S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-5
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 6/5 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 5/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 6/5 WITH GUSTS DECR NW 4/5 BY 5/0000 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 BACK SW 5/6 WITH GUSTS BY 5/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 5/6 WITH GUSTS DECR SECTOR W 4/3 BY 5/0300 AFTERWARDS SECTOR S 3/4 BY 5/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL POOR
GERLACHE STRAIT : SE 3/4 VEER SW 4/5 BY 5/0300 AFTERWARDS SECTOR W 4/3 BY 5/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE OCNL GOOD
MARGARITA BAY : SECTOR S 4/3 VEER SECTOR W 4/3 BY 5/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 4/5 DECR SW 3/4 BY 5/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SW 5/6 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 5/0000 AFTERWARDS NW 5/6 WITH GUSTS BY 5/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 5/4 VEER SECTOR W 4/5 BY 5/0300 AFTERWARDS NW 5/6 WITH GUSTS BY 5/0900 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 4/5 VEER SECTOR W 4/5 BY 5/0000 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 5/1200 PROB OF MIST PROB OFMOD SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA W OF 33W: NW 5/4 BACK SECTOR W 5/4 BY 5/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 4/3 INCR NW 4/5 BY 5/0000 AFTERWARDS SECTOR W 4/5 BY 5/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EVENING VIS MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 VEER SECTOR E 4/5 BY 5/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE=