1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 02, 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 1006HPA 64S 55W MOV E DPN
HIGH 1024HPA 63S 79W MOV E WKN EXTENDS RIDGE AT 63S 79W 62S 72W 61S 68W MOV E
HIGH 1010HPA 63S 49W MOV E INTSF
011400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W 5
737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W 640
8S 06559W 6257S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6010S 052 11W 21X12NM A
81 6104S 052 31W 28X25NM A76C 52 39S 03003W 16X6NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5934S 05053W 2X1NM 4.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 038
00W 5805S 03800W B5805S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S 050
00W 5800S 05000W 6300S 06716W 6620S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/4 WITH GUSTS DECR SW 4 BY 2/1500
PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR
W 5/4 BY 2/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MOR
NING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: SW 5/4 WITH GUSTS DECR SW 4 BY 2/1500 PROB OF M
IST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR W 5/4 BY
2/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS M
ODERATE TO POOR
GERLACHE STRAIT : SE 4/3 VEER SECTOR S 4 BY 2/1500 PROB OF MIST PROB OFISOL SNOW
FALL IMPR STARTING NOON VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 3/4 BACK NW 4/5 BY 2/1200 PROB OF MIST PROB OFISOL SNOW
FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 WITH GUSTS INCR SW 6/7 WITH GUSTS BY 2/1200 PROB O
F MIST VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 4/5 BACK NE 4 BY 2/1500 PROB OF MI
ST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GO
OD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VEER NW 4/5
BY 2/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS MODERATE
TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/5 VEER NW 5/6 BY 2/1500
PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DUR
ING THE MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SW 5/4 WITH GUSTS VEER NW 4/5 BY 2/1200 PROB OF M
IST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 4/5 VEER SECTOR N 3/4 BY 2/0900
PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVE
NING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/3 BACK SE 4/5 BY 2/1200 PROB OF
MIST VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-2, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 358: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SE WITH
GUST BETWEEN 45S-50S AND 20W-50W UNTIL 02/0900
WARNING 357: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM NW WITH
GUST BETWEEN 35S-45S AND 20W-40W UNTIL 02/1800
WARNING 354: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W)
PART 2 GENERAL SYNOPSIS AT 21:00UTC
011400 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 6010S 052 11W
21X12NM A81 6104S 052 31W 28X25NM A76C 52 39S 03003W 16X6NM 3.ICEBERGS SMALLER
THAN 10NM ICEBERG1 5934S 05053W 2X1NM 4.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 990HPA 45S 42W MOV SE DPN EXTENDS CFNT AT 45S 42W 39S 46W 35S 49W MOV NE
HIGH 1014HPA 37S 52W MOV E INTSF
HIGH 1023HPA 55S 62W MOV NE INTSF EXP 48S 49W BY 02/2100
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 3 BACK NE 4 BY 2/0900 VIS GOOD
OUTER RIO DE LA PLATA: SE 3 BACK NE 4 BY 2/0900 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR S 3 BACK NE 4 BY 2/1500 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3 BACK SECTOR N 4 BY 2/1200 VIS
GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 PROB OF RAIN IMPR
TOWARDS NIGTH VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS INCR 7 GUST
WITH 8 INTENSITY BY 2/1200 PROB OF HVY RAIN VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 5/6 WITH GUSTS INCR 7 GUST WITH 8
INTENSITY BY 2/0900 PROB OF HVY RAIN VIS POOR TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NE 5/6 WITH GUSTS INCR 7 GUST WITH 8
INTENSITY BY 2/1800 PROB OF HVY RAIN VIS POOR TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 PROB OF RAIN AND SNOW MIXTURE
VIS MODERATE
ISLAS MALVINAS COASTS: VRB 4 BACK NE 5/6 WITH GUSTS BY 2/0900 INCR 7 WITH GUSTS
BY 2/2100 LOW PROB OF RAIN AND SNOW MIXTURE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: NW 8 WITH GUSTS PROB OF SH RAIN VIS
POOR OCNL VERY POOR
W OF 50W: SW 6/5 WITH GUSTS BACK SECTOR N 4/3 BY 2/1800 VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR N 6 WITH GUSTS VEER SW 5/4 BY 2/0600 PROB OF STORMS
VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 8 WITH GUSTS BACK SECTOR
S 6 WITH GUSTS BY 2/1800 PROB OF RAIN VIS POOR
REST OF THE AREA: SECTOR E 8 DECR 6/5 WITH GUSTS BY 2/0900 PROB OF RAIN AND
SNOW MIXTURE VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 7/6 PROB
OF RAIN IMPR TOWARDS EVENING VIS POOR TO MODERATE
E OF 50 - S OF 45S: SE 8 DECR 6/5 BY 2/0900 AFTERWARDS VRB 4 BY 2/1500 PROB OF
RAIN AND SNOW MIXTURE VIS POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS BACK SECTOR N 5 WITH GUSTS BY 2/1800
PROB OF RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 8 PROB OF RAIN AND SNOW
MIXTURE VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SW 6 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 4/5 LOW PROB OF RAIN AND SNOW MIXTURE
VIS GOOD OCNL MODERATE
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