1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-05, 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
LOW 996HPA 50S 58W MOV SE WKN EXP 55S 40W BY 06/1200 EXTENDS CFNT AT 50S 58W 46S
62W 44S 67W MOV SE EXP 55S 40W 47S 47W 47S 47W 41S 61W BY 06/1200
LOW 1003HPA 36S 29W MOV SE DPN EXP 37S 20W BY 06/1200 EXTENDS CFNT AT 36S 29W
31S 37W 30S 43W MOV SE EXP 37S 20W 30S 27W 30S 27W 27S 36W BY 06/1200
LOW 1005HPA 39S 30W MOV S DPN EXP 43S 29W BY 06/1200 EXTENDS OFNT AT 38S 28W 41S
30W 38S 33W
LOW 1005HPA 39S 52W MOV E DPN EXP 39S 42W BY 06/1200 EXTENDS CFNT AT 39S 52W 34S
50W 33S 53W MOV SE EXP 39S 42W 33S 47W 33S 47W BY 06/1200
HIGH 1019HPA 44S 39W MOV SE NC
041400 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 5542S 03543W 28X25NM
D33B 5539S 04144W 21X12NM D35 6013S 04434W 15X6 NM A83 5929S 04926W 12X7NM A85
5644S 04458W 10X3NM ICEBERG1 5618S 04522W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5642S 04007W 9X6NM D33C 6141S 05406W 5X3NM ICEBERG2 5058S 03900W 3X1NM
ICEBERG3 5746S 04642W 5X3NM ICEBERG4 5524S 04642W 2X1NM ICEBERG5 5754S 04303W
2X1NM ICEBERG6 5757S 04436W 6X2NM ICEBERG7 5947S 04323W 2X1NM ICEBERG8 6008S
05114W 4X1NM ICEBERG9 6148S 06113W 4X1NM ICEBERG10 6135S 05356W 4X3NM ICEBERG11
5537S 03522W 2X1NM ICEBERG12 5608S 04528W 3X1NM 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 2026-11-6
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 3/4 VEER VRB BY 05/2100 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 4 VEER VRB 3 BY 6/0000 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 5/4 WITH GUSTS DECR 3 BY 05/2100 PROB OF
ISOL RAIN DURING THE MORNING VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 5/4 WITH GUSTS VEER VRB 3 BY
6/0000 PROB OF SH DURING THE MORNING NEXT ISOL RAIN STARTING EARLY MORNING VIS
GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 5/4 BACK VRB BY 05/2100 VEER
SECTOR S 5/6 WITH GUSTS BY 6/0900 PROB OF SH STARTING NIGTH VIS GOOD TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): VRB 3/4 BACK SECTOR S 5/6 WITH GUSTS BY
6/0000 PROB OF ISOL STORMS SH STARTING EVENING TOWARDS THE END OF THE PERIOD
IMPR VIS GOOD TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/6 WITH GUSTS DECR 4/3 BY
6/0900 PROB OF SH STARTING NIGTH IMPR VIS POOR TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/6 WITH GUSTS DECR 4/3 BY 6/0300
VEER SECTOR W BY 6/0900 LOW PROB OF SH STARTING NIGTH IMPR VIS POOR TO GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 5 WITH GUSTS VEER VRB 3/4 BY 05/2100
VEER SECTOR W 5/6 WITH GUSTS BY 6/0900 PROB OF SH IMPR GRADUALLY VIS MODERATE
OCNL POOR
ISLAS MALVINAS COASTS: VRB 3 BACK SECTOR S 5 WITH GUSTS BY 05/1800 PROB OF ISOL
RAIN STARTING EVENING IMPR VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 6/7 WITH GUSTS VEER SECTOR
W 5 BY 6/0900 PROB OF RAIN STORMS TOWARDS THE END OF THE PERIOD IMPR VIS POOR TO
MODERATE
E OF 40W: SECTOR S 4/5 VEER SECTOR W BY 05/2100 PROB OF SH DURING THE MORNING
VIS MODERATE OCNL POOR
E OF 50W: NE 4 BACK SECTOR W 5/6 WITH GUSTS BY 6/0000 PROB OF RAIN STORMS
STARTING EARLY MORNING VIS GOOD TO POOR
REST OF THE AREA: SECTOR N 4/5 WITH GUSTS BACK SW 6/7 WITH GUSTS BY 05/1800
DECR 5/4 BY 6/0900 PROB OF RAIN STORMS IMPR GRADUALLY VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR E 5/6 WITH GUSTS VEER
SECTOR S 6/7 WITH GUSTS BY 05/1800 VEER SECTOR W 5/6 WITH GUSTS BY 6/0900 PROB
OF HVY RAIN STORMS VIS VERY POOR
REST OF THE AREA: VRB 3 VEER E 5/6 WITH GUSTS BY 6/0600 PROB OF HVY RAIN STORMS
TOWARDS THE END OF THE PERIOD VIS GOOD TO VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 5/6 WITH GUSTS BACK SECTOR S
BY 6/0600 PROB OF ISOL RAIN IMPR GRADUALLY VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 5/6 WITH GUSTS PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR N 4/5 WITH GUSTS BACK SECTOR S
5/6 WITH GUSTS BY 05/2100 PROB OF ISOL RAIN STARTING NIGTH IMPR VIS GOOD TO
MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SW 6 WITH GUSTS VEER SECTOR W 6/7 WITH GUSTS
BY 6/0600 PROB OF SH NXT PROB OF RAIN VIS MODERATE TO VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 05, NOVEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1265/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MAR DE LA FLOTA COASTS MOV E WEAKENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 66S-68S 70W-66W FROM 06/0300 UNTIL 06/2100
1266/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-63S 90W-70W FROM 06/0900 UNTIL 07/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
TROUGH 65S 85W 63S 82W 61S 79W MOV E NC
RIDGE 60S 71W 63S 70W 65S 69W MOV E NC
TROUGH 60S 57W 62S 55W 64S 51W MOV E NC
LOW 970HPA 69S 44W MOV NE WKN
041400 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 5542S 03543W 28X25NM D33B 5539S 04144W 21X12NM D35 6013S 04434W 15X6 NM A83 5929S 04926W 12X7NM A85 5644S 04458W 10X3NM ICEBERG1 5618S 04522W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5642S 04007W 9X6NM D33C 6141S 05406W 5X3NM ICEBERG2 5058S 03900W 3X1NM ICEBERG3 5746S 04642W 5X3NM ICEBERG4 5524S 04642W 2X1NM ICEBERG5 5754S 04303W 2X1NM ICEBERG6 5757S 04436W 6X2NM ICEBERG7 5947S 04323W 2X1NM ICEBERG8 6008S 05114W 4X1NM ICEBERG9 6148S 06113W 4X1NM ICEBERG10 6135S 05356W 4X3NM ICEBERG11 5537S 03522W 2X1NM ICEBERG12 5608S 04528W 3X1NM 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 2026-11-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS BACK SECTOR W 4/5 BY 05/2100 AFTERWARDS NW 5/6 WITH GUSTS BY 6/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE MORNING VIS MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/4 BACK SW 4/5 WITH GUSTS BY 05/2100 AFTERWARDS SECTOR W 4/5 BY 6/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 WITH GUSTS VEER SECTOR W 4/5 BY 05/2100 DECR NW 5/6 WITH GUSTS BY 6/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING EVENING VIS MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/5 VEER SECTOR W 4/5 BY 6/0000 AFTERWARDS NW 5/4 BY 6/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL GOOD
GERLACHE STRAIT : SW 4/5 VEER SECTOR N 4/5 BY 05/2100 AFTERWARDS NE 8/7 WITH GUSTS BY 6/0300 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
MARGARITA BAY : SECTOR W 4/3 VEER SECTOR N 5/6 WITH GUSTS BY 05/2100 AFTERWARDS NE 8/7 WITH GUSTS BY 6/0300 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
EREBUS Y TERROR GULF : SW 4/3 VEER NE 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 35W: NW 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 6/0300 AFTERWARDS NW 8/7 WITH GUSTS BY 6/0900 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 INCR NW 5/6 WITH GUSTS BY 6/0000 AFTERWARDS NW 6/7 WITH GUSTS BY 6/0900 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING STARTING EVENING VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 WITH GUSTS DECR SECTOR N 4/3 BY 6/0000 AFTERWARDS SECTOR E 6/7 BY 6/0900 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR W 4/5 BACK SW 4/5 BY 6/0300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5/4 VEER SE 4/3 BY 6/0300 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD=