1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 09, AUGUST 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1036/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-60W UNTIL 11/0000
1037/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST VEER NW WITH GUST IN 60S-68S 90W-70W UNTIL 10/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 994HPA 63S 62W MOV SE WKN
LOW 987HPA 70S 75W MOV E DPN
RIDGE 60S 58W 65S 53W 68S 52W MOV E INTSF
RIDGE 60S 81W 65S 82W 69S 85W MOV E INTSF
081400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W 5737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W 6408S 06559W 6257S 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 7/8 WITH GUSTS INCR SW 9 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 3/4 VEER SW 5/7 BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: SW 7/8 WITH GUSTS INCR SW 9 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 3/4 VEER SW 5/7 BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/3 BY 10/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO VERY POOR
MARGARITA BAY : SECTOR N 3/4 VEER NE 4/3 BY 10/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL MORNING VIS MODERATE TO POOR
EREBUS Y TERROR GULF : NW 4/3 BACK SECTOR S 4/3 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY VEER NW 8 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/5 BACK NE 5/6 BY 10/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 5/6 WITH GUSTS VEER SW 5/4 BY 09/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 WITH GUSTS VEER SECTOR W 6/7 WITH GUSTS BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS VEER SECTOR S 5/4 BY 10/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-09, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 372: LOW 984HPA AT 43S 42W MOV SE PROVOKES WINDS FORCE 8 AROUND ITSELF
WITH GUST IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W) FROM 09/1800
WARNING 371: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 09/2100
WARNING 370: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST IN CENTRAL WEST AREA (40S- 50S AND 40W- 60W) FROM 09/1500
WARNING 367: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN NORTH AREA (35S- 40S AND 20W- 55W)
WARNING 366: STRONG BARIC GRADIENT MOV SW PROVOKES WINDS FORCE 8 FROM SECTOR S
WITH GUST IN ISLAS MALVINAS COASTS
WARNING 365: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 45S-55S AND 20W-30W UNTIL 10/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
081400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W
5737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W
6408S 06559W 6257S 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
LOW 984HPA 43S 42W MOV SE DPN EXP 47S 21W BY 10/1200 EXTENDS CFNT AT 43S 42W 40S
37W 34S 37W
LOW 945HPA 56S 24W MOV SE DPN
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-10
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 4/5 VEER SECTOR S BY 09/2100 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 5/6 WITH GUSTS BACK SECTOR S BY 09/2100 VIS
GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 6/7 WITH GUSTS BACK SECTOR S WITH GUSTS BY
09/2100 VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 7/6 WITH GUSTS BACK SECTOR S
WITH GUSTS BY 09/1500 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6/7 WITH GUSTS DECR 5/6 WITH
GUSTS BY 10/0300 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/7 WITH GUSTS DECR 5/6 WITH
GUSTS BY 10/0300 PROB OF ISOL RAIN VIS MODERATE OCNL POOR.
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6/7 WITH GUSTS DECR 5/6 WITH
GUSTS BY 10/0300 PROB OF ISOL RAIN VIS MODERATE OCNL POOR.
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 6/7 WITH GUSTS DECR 5/6 WITH GUSTS
BY 10/0300 PROB OF ISOL RAIN VIS MODERATE OCNL POOR..
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 6/7 WITH GUSTS VEER SECTOR W WITH
GUSTS BY 10/0000 VIS POOR
ISLAS MALVINAS COASTS: SECTOR S 8 WITH GUSTS DECR 6/7 WITH GUSTS BY 09/1800 VEER
SECTOR W WITH GUSTS BY 10/0600 PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W): SECTOR W 8 WITH GUSTS PROB OF SH RAIN VIS
VERY POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 6/7 WITH GUSTS VEER
SECTOR E 8 WITH GUSTS BY 09/1800 PROB OF SH RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 8 WITH GUSTS TEMPO BACK SECTOR S WITH GUSTS BY
09/2100 PROB OF SH RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 6/7 WITH GUSTS INCR 8 WITH
GUSTS BY 09/1500 PROB OF SH RAIN VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 8 WITH GUSTS VEER
SECTOR S 5/6 WITH GUSTS BY 10/0000 PROB OF RAIN SNOW FALL VIS VERY POOR TO
POOR
REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SECTOR S 5/6 WITH
GUSTS BY 10/0600 PROB OF ISOL SNOW FALL VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/7 WITH GUSTS BACK SW WITH
GUSTS BY 10/0600 PROB OF RAIN SNOW FALL VIS POOR OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS INCR 8 BY 09/2100
PROB OF ISOL RAIN VIS VERY POOR TO POOR
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