1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-8, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 367: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
W WITH GUST IN MAR DEL PLATA COASTS RINCON BAHIA BLANCA COASTS PENINSULA DE
VALDES COASTS BETWEEN 35S-40S 45W-55W FROM 08/0900
WARNING 366: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST
IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) FROM 08/1500
WARNING 365: LOW 963HPA AT 40S 42W MOV SE DEEPENING EXPECTED 52S 30W BY 09/0000
PROVOKES WINDS FORCE 9 AROUND ITSELF WITH GUST BETWEEN 35S-60S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
071400 UTC 1.SEA ICE LIMIT 5643S 02000W 5515S 02618W 5601S 03217W 5610S 03757W
5750S 04316W 5928S 04814W 6045S 05247W 6149S 05655W 6225S 06032W 6122S 06336W
6147S 06559W 6159S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6110S 053 30W
21X12NM A81 5919S 050 50W 28X25NM A76C 52 43S 03122W 16X6NM 3.ICEBERGS AREA
A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 03800W 5300S 03800W
5800S 05000W 6040S 05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W
RIDGE 50S 20W 53S 27W 57S 37W MOV E WKN
LOW 963HPA 40S 42W MOV SE DPN EXP 52S 30W BY 09/0000 EXTENDS CFNT AT 45S 41W 40S
34W 33S 35W MOV E ASOCIATED WITH OFNT AT 46S 42W 43S 48W 39S 48W
LOW 993HPA 50S 62W MOV NE DPN EXP 42S 52W BY 09/0000 EXTENDS CFNT AT 51S 61W 47S
59W 41S 64W ASOCIATED WITH OFNT AT 51S 61W 52S 70W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-9
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 4/5 WITH GUSTS BACK W 5/4 BY 8/1200 VIS GOOD
OUTER RIO DE LA PLATA: NW 5 WITH GUSTS BACK W 5 WITH GUSTS BY 8/0900 VIS GOOD
OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NW 5 WITH GUSTS BACK W 5 WITH GUSTS BY 8/0900 VIS
GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NW 6 GUST WITH 8 INTENSITY BACK W 6 GUST
WITH 8 INTENSITY BY 8/1200 BACK SW 7/8 WITH GUSTS BY 8/2100 PROB OF SH RAIN
STARTING NOON VIS MODERATE TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 6 GUST WITH 8 INTENSITY BACK SW
7/8 WITH GUSTS BY 8/0900 PROB OF SH RAIN NXT SH OF RAIN SH OF HAIL VIS MODERATE
TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): SW 5/6 GUST WITH 8 INTENSITY INCR 7/8
WITH GUSTS BY 8/0900 PROB OF SH RAIN NXT SH RAIN AND SNOW MIXTURE VIS MODERATE
TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/6 WITH GUSTS PROB OF SH OF
SNOW SNOW FALL VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/6 WITH GUSTS INCR 7 GUST WITH 8
INTENSITY BY 8/1800 PROB OF SH OF SNOW SNOW FALL VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SE 4 BACK SECTOR S 5/6 WITH GUSTS BY 8/0600
INCR 7/8 WITH GUSTS BY 8/1800 PROB OF SH OF SNOW SNOW FALL VIS POOR
ISLAS MALVINAS COASTS: SE 4/5 VEER SW 6/7 GUST WITH 8 INTENSITY BY 8/1800 PROB
OF SH OF SNOW SNOW FALL VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR N 7/8 WITH GUSTS BACK SECTOR
W 6 GUST WITH 8 INTENSITY BY 8/1200 DECR 5 BY 8/2100 PROB OF HVY RAIN STORMS
IMPR TOWARDS THE END OF THE PERIOD VIS POOR
E OF 45W: SECTOR W 9 WITH GUSTS DECR 6 GUST WITH 8 INTENSITY BY 8/1500
AFTERWARDS NW 6/5 WITH GUSTS BY 8/1800 PROB OF SH RAIN VIS POOR
REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY 8/1800
WORSENING WITH PROB OF SH RAIN STARTING EARLY MORNING VIS MODERATE TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR N 8/9 WITH GUSTS BACK
SECTOR W 9 WITH GUSTS BY 8/1500 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS POOR
OCNL VERY POOR
REST OF THE AREA: SECTOR E 8 BACK SECTOR N 8 BY 8/0900 AFTERWARDS SECTOR W 9/10
WITH GUSTS BY 8/1800 PROB OF SH RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 9 WITH GUSTS VEER W 9/8
WITH GUSTS BY 8/0900 DECR 6 GUST WITH 8 INTENSITY BY 8/2100 PROB OF HVY RAIN NXT
SH RAIN VIS VERY POOR
REST OF THE AREA: SECTOR W 5 WITH GUSTS DECR SECTOR S 5/6 GUST WITH 8 INTENSITY
BY 8/1200 PROB OF SH RAIN NXT RAIN AND SNOW MIXTURE VIS MODERATE TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR E 8/9 WITH
GUSTS BACK SECTOR N 9 WITH GUSTS BY 8/1800 PROB OF HVY RAIN VIS VERY POOR
W OF 30 - N OF 55S: SECTOR E 8/9 WITH GUSTS VEER SECTOR S 8/6 WITH GUSTS BY
8/1800 PROB OF HVY RAIN NXT RAIN AND SNOW MIXTURE VIS VERY POOR
REST OF THE AREA: VRB 4 VEER SECTOR E 7/9 WITH GUSTS BY 8/1200 PROB OF HVY RAIN
VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR E 5/6 WITH GUSTS BACK
SECTOR S 8 WITH GUSTS BY 8/0600 WORSENING WITH PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE TO POOR
REST OF THE AREA: VRB 4 VEER SECTOR S 5 WITH GUSTS BY 8/0900 INCR 6/7 GUST WITH
8 INTENSITY BY 8/1800 PROB OF ISOL SNOW FALL VIS MODERATE TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 4 VEER SW 7/8 WITH GUSTS BY 8/0900 PROB
OF ISOL SNOW FALL NEXT IMPR VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 08, 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 21:00UTC
LOW 981HPA 67S 48W MOV E DPN
RIDGE 60S 90W 63S 88W 69S 88W MOV E INTSF
071400 UTC 1.SEA ICE LIMIT 5643S 02000W 5515S 02618W 5601S 03217W 5610S 03757W 5750S 04316W 5928S 04814W 6045S 05247W 6149S 05655W 6225S 06032W 6122S 06336W 6147S 06559W 6159S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6110S 053 30W 21X12NM A81 5919S 050 50W 28X25NM A76C 52 43S 03122W 16X6NM 3.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 INCR SW 5/7 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 INCR SW 4/6 WITH GUSTS BY 8/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SECTOR S 4/5 BACK SE 3 BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
MARGARITA BAY : SECTOR N 3/4 VEER NE 4/3 BY 8/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 INCR SW 6/7 WITH GUSTS BY 8/1200 PROB OF MIST BLIZZARD WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 4/5 WITH GUSTS INCR SW 7 WITH GUSTS BY 8/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 BACK SW 6/7 WITH GUSTS BY 8/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 4/5 VEER SECTOR W 4/5 WITH GUSTS BY 8/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA N OF 64S: NW 5/6 WITH GUSTS BACK SECTOR W 5 BY 8/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 3/4 INCR SECTOR N 4/6 BY 8/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/4 WITH GUSTS VEER SECTOR E 4/5 BY 8/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD=