1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-6, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 465: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 WITH GUST IN
DRAKE AREA (55S- 60S AND 60W- 67W) FROM 06/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 997HPA 40S 30W MOV S DPN EXTENDS CFNT AT 33S 30W 35S 27W 40S 24W ASOCIATED
WITH OFNT AT 40S 24W 43S 30W 38S 30W
LOW 1001HPA 40S 49W MOV NE NC EXTENDS CFNT AT 30S 50W 35S 45W 40S 45W MOV E
ASOCIATED WITH OFNT AT 40S 45W 42S 50W 40S 53W
CFNT AT 57S 40W 58S 34W 60S 26W MOV E
LOW 994HPA 54S 50W MOV E NC EXTENDS CFNT AT 40S 62W 45S 55W 53S 50W MOV E
ASOCIATED WITH WFNT AT 55S 48W 56S 45W 57S 40W
051400 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 5546S 03538W 28X25NM
D33B 5535S 04141W 21X12NM D35 6012S 04437W 15X6 NM A83 5931S 04925W 12X7NM A85
5634S 04457W 10X3NM ICEBERG1 5612S 04537W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5639S 04007W 9X6NM D33C 6149S 05415W 5X3NM ICEBERG2 5059S 03847W 3X1NM
ICEBERG3 5749S 04635W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5754S 04303W
2X1NM ICEBERG6 5805S 04435W 6X2NM ICEBERG7 5947S 04323W 2X1NM ICEBERG8 6001S
05033W 4X1NM ICEBERG9 6147S 06054W 4X1NM ICEBERG10 6134S 05909W 4X3NM ICEBERG11
5537S 03522W 2X1NM ICEBERG12 5607S 04533W 3X1NM ICEBERG13 6021S 04424W 6X2NM
4.ICEBERGS AREA A5420S 02000W 4600S 02000W 4600S 04100W 5800S 04155W B5800S
04155W 5200S 04100W 5500S 05700W 6315S 05700W C6315S 05700W 5700S 05700W 5700S
06405W 6200S 067016W 6602S 067016W
HIGH 1015HPA SOUTH PATAGONIA COASTS MOV N NC
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-11-7
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 3/4 VEER SE 5 WITH GUSTS PROB OF ISOL RAIN STORMS
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
OUTER RIO DE LA PLATA: NW 3/4 VEER SE 5 WITH GUSTS WORSENING WITH PROB OF ISOL
RAIN STORMS TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: NW 5/4 BACK SE 3/5 WITH GUSTS WORSENING WITH PROB OF
ISOL RAIN STORMS TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): VRB 4 BACK SECTOR S 5 WORSENING WITH PROB
OF ISOL RAIN STORMS STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 4 BACK SE 5 WITH GUSTS LOW PROB
OF SH OF RAIN RAIN STARTING EARLY MORNING IMPR VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5/6 WITH GUSTS PROB OF SH RAIN
STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SE 6 WITH GUSTS VEER SECTOR S 5/4 WITH
GUSTS VEER NW 4/5 WITH GUSTS PROB OF SH STARTING EARLY MORNING IMPR VIS MODERATE
TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: S 6/5 WITH GUSTS VEER N 4/5 WITH
GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: S 5/4 VEER SECTOR W 5/6
WITH GUSTS VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SW 5 WITH GUSTS VEER NW 5/6 WITH GUSTS PROB
OF SH IMPR VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SW 5 WITH GUSTS VEER W 5 WITH GUSTS LOW PROB OF SH IMPR
VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: VRB 6 BACK W 5/6 WITH GUSTS PROB OF
SH RAIN VIS MODERATE OCNL POOR
W OF 45W: SW 6/5 WITH GUSTS PROB OF SH VIS GOOD OCNL MODERATE
REST OF THE AREA: VRB 4/5 BACK SW 6 WITH GUSTS PROB OF SH RAIN VIS MODERATE
OCNL GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45 - E OF 35W: E 7 WITH GUSTS
BACK VRB 5/6 WITH GUSTS PROB OF SH RAIN VIS MODERATE OCNL POOR
S OF 45 - E OF 35W: E 3/4 INCR 6 WITH GUSTS WORSENING WITH PROB OF RAIN VIS
GOOD TO MODERATE OCNL POOR
REST OF THE AREA: VRB 3 BACK SW 5 WITH GUSTS VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) REST OF THE AREA: VRB 0 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 5/6 WITH GUSTS DECR PROB OF
ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: NW 6 WITH GUSTS DECR PROB OF ISOL RAIN VIS MODERATE OCNL
GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: NW 6 WITH GUSTS DECR
SW 5 WITH GUSTS PROB OF ISOL SH IMPR VIS MODERATE GOOD
W OF 50 - N OF 55S: SW 5 WITH GUSTS VEER W 5 WITH GUSTS UNSTABLE VIS GOOD OCNL
MODERATE
REST OF THE AREA: NW 4 BACK SW 5 WITH GUSTS VEER NW 6 WITH GUSTS PROB OF ISOL
RAIN VIS MODERATE OCNL GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): W 5 VEER NW 6/8 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE OCNL 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=