1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-11-07, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 467: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 40S-45S AND 20W-40W UNTIL 08/0300
WARNING 466: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 08/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
061400 UTC 1.SEA ICE LIMIT 5318S 02000W 5350S 02618W 5354S 03218W 5747S 03758W
5839S 04316W 6030S 04814W 6238S 05247W 6120S 05655W 6211S 06032W 6349S 06337W
6508S 06558W 6527S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5550S 03518W 28X25NM
D33B 5535S 04141W 21X12NM D35 6009S 04442W 15X6 NM A83 5926S 04932W 12X7NM A85
5626S 04509W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM
D32 5639S 04007W 9X6NM D33C 6147S 05408W 5X3NM ICEBERG2 5059S 03838W 3X1NM
ICEBERG3 5748S 04624W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5754S 04303W
2X1NM ICEBERG6 5803S 04413W 6X2NM ICEBERG7 5948S 04315W 2X1NM ICEBERG8 6003S
05022W 4X1NM ICEBERG9 6139S 06045W 4X1NM ICEBERG10 6145S 05415W 4X3NM ICEBERG11
5537S 03522W 2X1NM ICEBERG12 5606S 04543W 3X1NM ICEBERG13 6019S 04427W 6X2NM
LOW 987HPA 45S 23W MOV SE WKN EXTENDS OFNT AT 46S 20W 46S 26W 42S 25W MOV SE
LOW 1002HPA 37S 29W MOV SE WKN
CFNT AT 60S 41W 55S 44W 51S 56W MOV E
RIDGE 38S 64W 44S 56W 49S 47W
LOW 1006HPA 39S 44W MOV E DPN EXP 36S 33W BY 08/1200 EXTENDS CFNT AT 39S 44W 35S
49W MOV NE
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-11-8
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 5/4 WITH GUSTS DECR 3 BY 07/2100 VEER VRB BY
8/0900 PROB OF SH IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR S 6/5 WITH GUSTS DECR 4/3 BY 8/0300 PROB OF SH
DURING THE MORNING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR S 6/5 WITH GUSTS DECR 4/3 BY 8/0300 PROB OF SH
DURING THE MORNING VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/5 WITH GUSTS DECR 4/3 BY
8/0000 BACK VRB BY 8/0900 VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 3 VEER SECTOR N 4/5 WITH
GUSTS BY 07/2100 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5 WITH GUSTS DECR 3 BY 8/0300
PROB OF MIST DURING THE MORNING VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 5 WITH GUSTS BACK VRB 4 BY 07/1800
BACK SECTOR N 3/4 PROB OF MIST DURING THE MORNING VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S): VRB 3/4 VEER SECTOR N 4/5 BY 8/0300 VIS
GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN
SPELLS OF GOOD WEATHER VIS POOR
ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS DECR 4 BY 07/2100 INCR 5 BY
8/0300 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 6/7 WITH GUSTS DECR 6/5 BY
8/0000 PROB OF RAIN SPELLS OF GOOD WEATHER VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS DECR 4/3 PROB OF RAIN STORMS IMPR
TOWARDS THE END OF THE PERIOD VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 7/8 WITH GUSTS BACK
SECTOR S 6/5 WITH GUSTS BY 8/0000 PROB OF SH RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 7/6 WITH GUSTS DECR 5 BY 8/0000 PROB OF SH RAIN
DURING THE MORNING NEXT RAIN TOWARDS THE END OF THE PERIOD VIS POOR TO
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 5/6 WITH GUSTS VEER SECTOR W
BY 07/1800 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 3/4 VEER SECTOR N 5/6 WITH
GUSTS BY 07/1800 BACK SECTOR W 5/6 WITH GUSTS BY 8/0900 PROB OF RAIN RAIN AND
SNOW MIXTURE STARTING EVENING VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 5/6 WITH GUSTS INCR 6/7 WITH
GUSTS BY 8/0600 PROB OF RAIN IMPR STARTING NIGTH PROB OFISOL RAIN STARTING EARLY
MORNING VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS INCR 7/8 WITH GUSTS
BY 8/0000 DECR 7/6 BY 8/1200 PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS
VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 07, NOVEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1275/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST IN 63S-69S 90W-80W UNTIL 08/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 993HPA 70S 85W MOV E WKN
TROUGH 69S 83W 67S 82W 65S 81W MOV E NC
RIDGE 64S 63W 62S 60W 61S 59W MOV E NC
LOW 960HPA 69S 48W MOV E WKN
061400 UTC 1.SEA ICE LIMIT 5318S 02000W 5350S 02618W 5354S 03218W 5747S 03758W 5839S 04316W 6030S 04814W 6238S 05247W 6120S 05655W 6211S 06032W 6349S 06337W 6508S 06558W 6527S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5550S 03518W 28X25NM D33B 5535S 04141W 21X12NM D35 6009S 04442W 15X6 NM A83 5926S 04932W 12X7NM A85 5626S 04509W 10X3NM ICEBERG1 5604S 04558W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5639S 04007W 9X6NM D33C 6147S 05408W 5X3NM ICEBERG2 5059S 03838W 3X1NM ICEBERG3 5748S 04624W 5X3NM ICEBERG4 5517S 04137W 2X1NM ICEBERG5 5754S 04303W 2X1NM ICEBERG6 5803S 04413W 6X2NM ICEBERG7 5948S 04315W 2X1NM ICEBERG8 6003S 05022W 4X1NM ICEBERG9 6139S 06045W 4X1NM ICEBERG10 6145S 05415W 4X3NM ICEBERG11 5537S 03522W 2X1NM ICEBERG12 5606S 04543W 3X1NM ICEBERG13 6019S 04427W 6X2NM 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 2026-11-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 6/5 WITH GUSTS INCR NW 7/6 WITH GUSTS BY 8/0300 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/6 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 8/0300 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 INCR NW 6/7 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING EVENING VIS MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER NW 6/5 WITH GUSTS BY 8/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
GERLACHE STRAIT : NW 6/5 WITH GUSTS BACK SECTOR W 5/4 BY 07/2100 AFTERWARDS NW 4/3 BY 8/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL POOR
MARGARITA BAY : SECTOR N 5/6 WITH GUSTS BACK NW 5/6 WITH GUSTS BY 07/2100 AFTERWARDS NW 4/5 BY 8/0600 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
EREBUS Y TERROR GULF : SW 4/5 VEER SECTOR N 4/5 BY 07/2100 AFTERWARDS SECTOR W 4/5 BY 8/0600 PROB OF ISOL SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: NW 6/7 WITH GUSTS BACK SECTOR W 5/4 BY 8/0300 AFTERWARDS SECTOR W 5/6 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 8/7 WITH GUSTS DECR NW 7/6 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING EVENING VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 8/7 WITH GUSTS DECR SECTOR W 7/6 WITH GUSTS BY 8/0000 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFHVY SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
NORTHERN WEDDELL SEA W OF 35W: SECTOR W 5/6 WITH GUSTS VEER NW 4/5 BY 8/0300 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NW 6/5 WITH GUSTS BACK SECTOR W 4/5 BY 8/0300 PROB OF MIST PROB OFSCT SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/6 WITH GUSTS VEER SECTOR E 5/6 WITH GUSTS BY 8/0000 AFTERWARDS SECTOR E 6/7 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE OCNL POOR=