1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-05, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
SEA ICE AND ICEBERGS REPORT 051400 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 6109S 053 22W 21X12NM
A81 5940S 050 56W 28X25NM
A76C 52 39S 03049W 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 1 GALE WARNING:
WARNING 361: LOW 999HPA AT 47S 36W MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH
GUST BETWEEN 40S-45S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1017HPA 37S 54W MOV E DPN
LOW 1011HPA 37S 37W MOV E WKN
HIGH 1014HPA 57S 59W MOV E WKN EXP 55S 44W BY 06/1200
LOW 999HPA 47S 36W MOV E DPN EXTENDS CFNT AT 47S 36W 43S 35W 41S 38W MOV E
ASOCIATED WITH OFNT AT 47S 36W 51S 38W 49S 43W
LOW 1003HPA 49S 56W MOV E DPN EXP 49S 37W BY 06/1200 EXTENDS CFNT AT 46S 56W 40S
58W 38S 63W ASOCIATED WITH OFNT AT 46S 56W 46S 59W 45S 58W
LOW 1002HPA 49S 56W MOV E WKN
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-6
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E /3 PROB OF ISOL RAIN SPELLS OF
GOOD WEATHER VIS MODERATE OCNL GOOD
OUTER RIO DE LA PLATA: SECTOR E 3 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS
MODERATE OCNL GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3 VEER SECTOR E /3 WITH GUSTS PROB OF ISOL
SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3 TEMPO BACK SECTOR E /3 MIST
FOG PATCHES PROB OFISOL RAIN STARTING EARLY MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 3/4 BACK SECTOR E /3 BACK SECTOR S
3/4 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 3/4 BACK SECTOR S /3 PROB OF
ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 3/4 PROB OF ISOL RAIN RAIN AND
SNOW MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 3/4 WITH GUSTS VEER SECTOR N 3/4
PROB OF ISOL RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL
MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 3/4 PROB OF ISOL RAIN RAIN AND SNOW
MIXTURE SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SW 5/3 WITH GUSTS PROB OF ISOL RAIN RAIN AND SNOW MIXTURE
SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 5/6 WITH GUSTS BACK SECTOR
W /3 PROB OF HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 3 VEER SECTOR N /3 PROB OF ISOL RAIN STORMS STARTING
EVENING VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NW 6/8 WITH GUSTS BACK
SECTOR W 6/5 WITH GUSTS PROB OF ISOL HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS
POOR
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY BACK SECTOR S 5/3 PROB OF
ISOL SH RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5/4 TEMPO VEER
SECTOR N 5/6 WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS
MODERATE
N OF 45 - W OF 50W: SECTOR N 6 WITH GUSTS VEER SECTOR W 5/3 PROB OF ISOL SH
RAIN SPELLS OF GOOD WEATHER VIS MODERATE
REST OF THE AREA: SECTOR S 3 VEER SECTOR E 3/4 PROB OF ISOL SH RAIN RAIN AND
SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 5/4 WITH GUSTS PROB OF ISOL
SNOW FALL VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR E 4/5 WITH GUSTS DECR
4/3 PROB OF ISOL SNOW FALL VIS MODERATE
REST OF THE AREA: SECTOR S 3 VEER SECTOR W 3/4 PROB OF ISOL SNOW FALL VIS GOOD
OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 3/5 WITH GUSTS PROB OF ISOL SNOW
FALL SPELLS OF GOOD WEATHER VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 05, 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 1010HPA 61S 52W MOV E WKN
HIGH 1010HPA 61S 46W MOV NE WKN EXTENDS RIDGE AT 61S 46W 65S 52W 71S 57W MOV E
LOW 1005HPA 62S 63W MOV E WKN
LOW 996HPA 62S 85W MOV E DPN
041400 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 16W 21X12NM A81 5948S 051 13W 28X25NM A76C 52 39S 03049W 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 2026-08-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR E 3/4 BACK SECTOR N 3/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR E 3/4 BACK NW 3/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR S 4/3 BACK SE 3 BY 05/2100 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NE 3/4 VEER SECTOR E 4/3 BY 05/2100 PROB OF MIST VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR W 3/4 BACK SECTOR S 3/4 BY 6/0000 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 4/5 WITH GUSTS BACK NE 4/3 BY 05/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 3/4 VEER SE 4/5 BY 6/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/3 VEER NE 3 BY 6/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SW 4/5 WITH GUSTS VEER NW 5/4 BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 GUST WITH 8 INTENSITY VEER SECTOR W 4/5 BY 6/0000 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS BACK SECTOR N 5/4 WITH GUSTS BY 6/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR=