1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 10, NOVEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1287/2026 LOW 951HPA NORTHER BELLINGSHAUSEN SEA MOV NE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 60S-63S 80W-70W FROM 11/0300 UNTIL 11/2100
1288/2026 LOW 958HPA GERLACHE STRAIT MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 64S-66S 60W-55W FROM 11/0900 UNTIL 12/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 945HPA 65S 81W MOV E NC
TROUGH 64S 77W 63S 73W 61S 70W MOV E NC
RIDGE 61S 51W 64S 51W 67S 51W MOV E NC
LOW 949HPA 61S 29W MOV E WKN
LOW 968HPA 73S 50W MOV E WKN
091400 UTC 1.SEA ICE LIMIT 5409S 02000W 5352S 02618W 5441S 03217W 5704S 03757W 5916S 04317W 6131S 04814W 6256S 05247W 6221S 05654W 6231S 06033W 6400S 06337W 6506S 06559W 6528S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5541S 03447W 28X25NM D33B 5503S 04132W 21X12NM D35 5955S 04428W 15X6 NM A83 5907S 04929W 12X7NM A85 5610S 04527W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5648S 04007W 9X6NM ICEBERG2 5059S 03836W 3X1NM ICEBERG3 5730S 04556W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5811S 04515W 6X2NM ICEBERG6 6005S 04224W 2X1NM ICEBERG7 6003S 05021W 4X1NM ICEBERG8 6126S 06013W 4X1NM ICEBERG9 6149S 05409W 4X3NM ICEBERG10 5533S 03523W 2X1NM ICEBERG11 5606S 04543W 3X1NM ICEBERG12 6011S 04422W 6X2NM ICEBERG13 5944S 04121W 5X3NM ICEBERG14 6143S 05407W 5X3NM 4.ICEBERGS AREA A5423S 02000W 4600S 02000W 4600S 03900W 5857S 03859W B5857S 03859W 4900S 03900W 5500S 05500W 6311S 05459W C6311S 05459W 5600S 05500W 6100S 06716W 6600S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-11
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 5/6 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY 10/2100 AFTERWARDS SECTOR W 6/7 WITH GUSTS BY 11/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 4/3 INCR SECTOR N 5/6 WITH GUSTS BY 10/2100 AFTERWARDS NW 4/5 BY 11/0300 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 59W: SECTOR N 5/4 BACK NW 4/3 BY 11/0000 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4/3 VEER SECTOR N 5/6 WITH GUSTS BY 10/2100 AFTERWARDS NW 5/4 BY 11/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NE 6/7 WITH GUSTS BACK NW 4/3 BY 11/0000 AFTERWARDS SECTOR S 3/4 BY 11/0900 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : SECTOR E 6/7 WITH GUSTS DECR SECTOR E 5/6 WITH GUSTS BY 11/0000 AFTERWARDS SECTOR S 4/5 BY 11/0900 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
EREBUS Y TERROR GULF W OF 55W: NE 4/3 INCR NE 5/6 WITH GUSTS BY 10/2100 AFTERWARDS SE 8/7 WITH GUSTS BY 11/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
EREBUS Y TERROR GULF REST OF THE AREA: SECTOR N 3/4 INCR NE 5/4 BY 10/2100 AFTERWARDS SECTOR E 5/6 WITH GUSTS BY 11/0600 PROB OF MIST PROB OFSCT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 6/5 WITH GUSTS INCR SW 6/7 WITH GUSTS BY 10/2100 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 11/0900 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 5/4 BY 11/0000 AFTERWARDS SW 8/7 WITH GUSTS BY 11/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 6/7 WITH GUSTS VEER SECTOR S 5/6 WITH GUSTS BY 11/0000 AFTERWARDS SW 4/5 BY 11/0900 PROB OF SCT SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA W OF 35W: SW 6/5 WITH GUSTS VEER SECTOR N 4/5 BY 11/0000 AFTERWARDS NE 5/4 BY 11/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SE 5/6 WITH GUSTS VEER SECTOR S 4/5 BY 11/0000 AFTERWARDS NW 4/3 BY 11/0900 PROB OF MIST PROB OFSLIGHT RAIN AND SNOW MIXTURE IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 DECR SECTOR E 4/3 BY 11/0300 AFTERWARDS NE 4/5 BY 11/1200 PROB OF SCT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-10, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 471: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 11/1200
WARNING 470: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S AND 20W-40W UNTIL 11/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 981HPA 56S 52W MOV NE WKN EXP BY 11/1200 EXTENDS CFNT AT 54S 50W 49S 55W MOV
E
CFNT AT PENINSULA DE VALDES COASTS MOV E WKN
091400 UTC 1.SEA ICE LIMIT 5409S 02000W 5352S 02618W 5441S 03217W 5704S 03757W
5916S 04317W 6131S 04814W 6256S 05247W 6221S 05654W 6231S 06033W 6400S 06337W
6506S 06559W 6528S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5541S 03447W 28X25NM
D33B 5503S 04132W 21X12NM D35 5955S 04428W 15X6 NM A83 5907S 04929W 12X7NM A85
5610S 04527W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5648S 04007W 9X6NM ICEBERG2 5059S 03836W 3X1NM ICEBERG3 5730S 04556W 5X3NM
ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5811S 04515W 6X2NM ICEBERG6 6005S 04224W
2X1NM ICEBERG7 6003S 05021W 4X1NM ICEBERG8 6126S 06013W 4X1NM ICEBERG9 6149S
05409W 4X3NM ICEBERG10 5533S 03523W 2X1NM ICEBERG11 5606S 04543W 3X1NM ICEBERG12
6011S 04422W 6X2NM ICEBERG13 5944S 04121W 5X3NM ICEBERG14 6143S 05407W 5X3NM
4.ICEBERGS AREA A5423S 02000W 4600S 02000W 4600S 03900W 5857S 03859W B5857S
03859W 4900S 03900W 5500S 05500W 6311S 05459W C6311S 05459W 5600S 05500W 6100S
06716W 6600S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 5/4 LOW PROB OF ISOL RAIN TOWARDS THE END OF THE
PERIOD VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 5/4 WITH GUSTS VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 6/5 WITH GUSTS VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6/5 WITH GUSTS LOW PROB OF
ISOL SH VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5 WITH GUSTS DECR VRB 8/4 VIS
GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 WITH GUSTS BACK SECTOR S BY
11/0900 LOW PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD OCNL
MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 8 WITH GUSTS DECR /7 WITH GUSTS BY
11/1200 LOW PROB OF ISOL RAIN STARTING NIGTH VIS VERY POOR TO POOR
ISLAS MALVINAS COASTS: SECTOR W 5/6 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 6 WITH GUSTS VIS GOOD
REST OF THE AREA: SECTOR N 5 WITH GUSTS VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 7/6 GUST WITH 8 INTENSITY
LOW PROB OF ISOL RAIN VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: NW 7/6 GUST WITH 8 INTENSITY
VIS MODERATE TO GOOD
E OF 50 - S OF 45S: SECTOR W 7/5 GUST WITH 8 INTENSITY DECR /5 WITH GUSTS BY
11/0600 PROB OF ISOL SH RAIN STARTING EVENING VIS MODERATE
REST OF THE AREA: VRB 4/3 INCR SECTOR N /5 WITH GUSTS BY 11/0000 LOW PROB OF
ISOL RAIN STARTING NIGTH IMPR VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 7/6 GUST WITH 8
INTENSITY PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING IMPR VIS POOR
OCNL MODERATE
REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 11/0600 PROB OF
SNOW FALL SPELLS OF GOOD WEATHER VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 7/6 GUST WITH 8
INTENSITY LOW PROB OF ISOL RAIN STARTING EVENING IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY PROB OF RAIN AND SNOW
MIXTURE VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS DECR /7 WITH GUSTS BY
11/1200 PROB OF RAIN VIS VERY POOR TO POOR
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