1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-4, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 464: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM NW WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 04/0300 UNTIL 04/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1017HPA 42S 48W MOV E INTSF
LOW 1008HPA 34S 38W MOV E DPN
CFNT AT 52S 71W 55S 66W 59S 59W MOV E
LOW 999HPA 50S 24W MOV E WKN EXTENDS CFNT AT 50S 24W 44S 29W 39S 36W
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-11-5
COASTAL AREAS:
INNER RIO DE LA PLATA: VRB 3/4 PROB OF STORMS NXT RAIN VIS POOR TO MODERATE
OUTER RIO DE LA PLATA: SECTOR N 4 PROB OF STORMS NXT RAIN VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 PROB OF ISOL STORMS VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 4/5 PROB OF ISOL STORMS NXT SH VIS
POOR TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 BACK SECTOR W 5/4 BY
4/1800 PROB OF ISOL STORMS IMPR TOWARDS NIGTH VIS POOR TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6/5 WITH GUSTS PROB OF ISOL
STORMS IMPR TOWARDS EVENING VIS MODERATE OCNL POOR TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6/5 WITH GUSTS PROB OF SH IMPR
STARTING EVENING VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6/5 WITH GUSTS BACK VRB 4 BY
4/0600 PROB OF SH STARTING NIGTH VIS MODERATE OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): NW 6/5 WITH GUSTS LOW PROB OF RAIN VIS
MODERATE
ISLAS MALVINAS COASTS: SECTOR N 6/5 WITH GUSTS BACK VRB 4 BY 4/1500 LOW PROB OF
ISOL RAIN VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR N 5 WITH GUSTS PROB OF ISOL
STORMS VIS POOR
W OF 45W: SECTOR N 4/5 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: NW 6/5 WITH GUSTS BACK
SECTOR S 5 BY 4/0600 PROB OF RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 5 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 4 BACK
SECTOR N 4 BY 4/1500 VIS GOOD
W OF 50 - S OF 45S: SECTOR W 4/5 VEER SECTOR N 4/5 BY 4/1200 VIS GOOD OCNL
MODERATE
W OF 50 - N OF 45S: SECTOR N 5 WITH GUSTS PROB OF SH STARTING EARLY MORNING VIS
MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 7 DECR 5 WITH GUSTS BY 4/1800 PROB OF SH VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/5 WITH GUSTS LOW PROB OF
RAIN VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): NW 7 WITH GUSTS PROB OF ISOL RAIN VIS
MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 7 WITH GUSTS INCR 8 WITH GUSTS BY 4/0300
DECR 7 WITH GUSTS BY 4/1200 PROB OF RAIN AND SNOW MIXTURE VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 03, 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 976HPA 64S 67W MOV E DPN
TROUGH 60S 76W 62S 73W 63S 70W MOV E NC
LOW 957HPA 67S 50W MOV E DPN
TROUGH 66S 44W 65S 39W 63S 35W MOV E NC
021400 UTC 1.SEA ICE LIMIT 5315S 02000W 5249S 02618W 5233S 03218W 5553S 03758W 5653S 04316W 5953S 04814W 6220S 05247W6231S 05654W 6617S 06033W 6313S 06337W 6429S 06558W 6507S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5540S 03548W 28X25NM D33B 5546S 04204W 21X12NM D35 6011S 04425W 15X6 NM A83 5925S 04954W 12X7NM A85 5632S 04621W 10X3NM ICEBERG1 5644S 04523W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5640S 03940W 9X6NM D33C 6144S 05346W 5X3NM ICEBERG2 5045S 03930W 5X3NM ICEBERG3 5722S 04643W 5X3NM ICEBERG4 5534S 04148W 2X1NM ICEBERG5 5754S 04358W 2X1NM ICEBERG6 5712S 04354W 6X2NM ICEBERG7 5956S 04342W 2X1NM ICEBERG8 6008S 05126W 4X1NM ICEBERG9 6153S 06128W 4X1NM ICEBERG10 6142S 05331W 4X3NM ICEBERG11 5540S 03527W 2X1NM 4.ICEBERGS AREA A5400S 02000W 4900S 02000W 4900S 03800W 5700S 03600W B5500S 05500W 6400S 05500W 5900S 06716W 6530S 06716W C5500S 05500W 6400S 05500W 4700S 03800W 5700S 03600W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-4
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 5/6 WITH GUSTS INCR NW 6/7 WITH GUSTS BY 4/0000 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING EVENING VIS MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 4/5 BACK NW 5/6 WITH GUSTS BY 03/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: NE 4/5 BACK NW 5/6 WITH GUSTS BY 03/1800 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 4/0300 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR GRADUALLY STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 4/5 BACK NW 5/6 WITH GUSTS BY 4/0000 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 4/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
GERLACHE STRAIT : NE 7/6 WITH GUSTS BACK SECTOR N 4/5 BY 03/2100 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 4/0600 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR
MARGARITA BAY : SECTOR E 4/5 INCR SECTOR E 5/6 WITH GUSTS BY 03/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NE 4/5 INCR NE 5/6 WITH GUSTS BY 03/2100 AFTERWARDS SECTOR N 4/3 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR W 5/6 WITH GUSTS INCR SECTOR W 6/7 WITH GUSTS BY 03/2100 AFTERWARDS SW 5/6 WITH GUSTS BY 4/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE MIDDLE OF THE PERIOD VIS MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 5/6 WITH GUSTS VEER SECTOR S 5/4 BY 03/2100 AFTERWARDS SECTOR S 5/6 WITH GUSTS BY 4/0900 PROB OF MIST PROB OFMOD SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 5/6 WITH GUSTS VEER SE 5/6 WITH GUSTS BY 4/0000 AFTERWARDS SW 4/3 BY 4/1200 PROB OF INTERMITTENT SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA N OF 63S: SECTOR W 5/6 WITH GUSTS DECR SECTOR S 4/3 BY 03/1800 AFTERWARDS NW 5/4 BY 4/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 3/4 INCR NE 4/5 BY 4/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR W 3 INCR SECTOR N 3/4 BY 4/0000 VIS GOOD=