1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 30, AUGUST 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 994HPA 66S 80W MOV E WKN
LOW 984HPA 67S 58W MOV E DPN
RIDGE 60S 65W 63S 68W 66S 70W MOV E WKN
291400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W 5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W 6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W 6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W 5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W 6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 VEER NW 3/4 BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 7 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 VEER NW 3/4 BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 7 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : SW 3/4 VEER SECTOR W 4/3 BY 31/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NE 4/3 BACK NW 4/3 BY 31/0300 PROB OF MIST VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 4/5 VEER NW 3/2 BY 30/2100 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 4/3 BACK SECTOR W 5 BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NIGTH VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3/4 VEER SECTOR W 5/6 WITH GUSTS BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 BACK SW 7 WITH GUSTS BY 31/0300 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: NW 4/5 BACK SECTOR W 5/6 BY 31/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5/4 BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/6 WITH GUSTS BACK SECTOR E 5/4 BY 31/0000 PROB OF MIST PROB OFCOASTAL BLIZZARD IMPR TOWARDS NIGTH VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-30, 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
291400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W
5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W
6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM
A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W
6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W
5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W
6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W
HIGH 1020HPA 35S 47W MOV E INTSF EXP 35S 30W BY 31/0900
CYCLOGENESIS 1002HPA 50S 42W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-31
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 VIS GOOD
OUTER RIO DE LA PLATA: NE 3/4 VIS GOOD
URUGUAY SOUTH EAST COASTS: NE 3/4 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NW 4 LOW PROB OF ISOL RAIN TOWARDS THE
END OF THE PERIOD VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 4 LOW PROB OF ISOL STORMS SPELLS
OF GOOD WEATHER VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 4/3 BACK W 6 WITH GUSTS BY 31/1200
PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 5 WITH GUSTS BACK W 6 WITH GUSTS BY
31/1200 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 WITH GUSTS BACK NW BY 31/0300
VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): NW 5 WITH GUSTS INCR 6 WITH GUSTS BY 31/1200
LOW PROB OF ISOL RAIN IMPR TOWARDS NIGTH VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SW 3 VEER SECTOR N 5 BY 31/0000 LOW PROB OF RAIN TOWARDS
THE END OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 5/4 WITH GUSTS VEER NW 4 BY
31/0000 PROB OF HVY STORMS IMPR DURING THE EVENING VIS VERY POOR TO GOOD
REST OF THE AREA: NW 4/5 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 5 WITH GUSTS VEER NW 6
WITH GUSTS BY 30/1800 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: NW 6 WITH GUSTS BACK SW 5 WITH GUSTS BY 31/0900 PROB OF ISOL
RAIN VIS GOOD OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: NW 5/6 WITH GUSTS BACK SW
WITH GUSTS BY 30/1800 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: VRB 3 VEER SECTOR N 4/5 BY 31/0300 PROB OF ISOL RAIN VIS GOOD
OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5 WITH GUSTS PROB OF ISOL RAIN
VIS GOOD OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SW 5 WITH GUSTS VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): NW 4 WITH GUSTS LOW PROB OF ISOL RAIN IMPR
TOWARDS NIGTH VIS GOOD OCNL MODERATE
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