1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-14, 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
HIGH 1032HPA 39S 52W MOV SE EXP 37S 45W BY 15/1200 EXTENDS RIDGE AT 39S 52W 47S
57W 53S 59W MOV SE
131400 UTC 1.SEA ICE LIMIT 5448S 02000W 6458S 06350W 6453S 06351W 6403S 06137W
6116S 05515W 6213S 05906W 6228S 06019W 6455S 06324W 6348S 06140W 6210S 05834W
6240S 06055W 6220S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6038S 05238W 21X12NM
A81 5911S 05115W 28X25NM A76C 5243S 03048W 16X6NM 3.ICEBERGS SMALLER THAN 10NM
D33C 6129S 05345W 9X5NM ICEBERG1 6132S 05303W 5X3NM ICEBERG2 6121S 05300W 5X3NM
ICEBERG3 6044S 05201W 6X4NM 4.ICEBERGS AREA A5800S 02000W 4557S 02000W 5001S
03200W 5605S 03200W B5605S 03200W 5300S 03200W 5400S 04000W 5734S 04000W C5734S
04000W 5500S 04000W 5500S 05100W 6106S 05100W D6106S 05100W 5700S 05100W 6050S
06716W 6233S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-15
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/5 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR E 4/5 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 4/5 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 4/5 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 VIS GOOD.
ISLAS MALVINAS COASTS: SECTOR N 4/5 VIS GOOD.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 45W: SW 6/7 WITH GUSTS PROB OF SH RAIN
VIS POOR OCNL VERY POOR
REST OF THE AREA: VRB 3 BACK SECTOR N 4/5 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6/7 WITH GUSTS PROB OF ISOL RAIN
SNOW FALL VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SW 6/7 WITH GUSTS VEER SECTOR W 4/5
BY 15/0000 VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 5/6 WITH GUSTS VEER SECTOR W 6/7
WITH GUSTS BY 15/0300 PROB OF ISOL SNOW FALL VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 5/6 WITH GUSTS DECR 4/5 WITH
GUSTS BY 15/0900 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/5 WITH GUSTS VEER VRB 3 BY
15/0000 VIS GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 14, AUGUST 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1051/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 61S-64S 62W-55W UNTIL 14/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 979HPA 70S 40W MOV SE INTSF
LOW 992HPA 60S 43W MOV E WKN
RIDGE 60S 70W 63S 68W 66S 68W MOV E WKN
131400 UTC 1.SEA ICE LIMIT 5448S 02000W 6458S 06350W 6453S 06351W 6403S 06137W 6116S 05515W 6213S 05906W 6228S 06019W 6455S 06324W 6348S 06140W 6210S 05834W 6240S 06055W 6220S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6038S 05238W 21X12NM A81 5911S 05115W 28X25NM A76C 5243S 03048W 16X6NM 3.ICEBERGS SMALLER THAN 10NM D33C 6129S 05345W 9X5NM ICEBERG1 6132S 05303W 5X3NM ICEBERG2 6121S 05300W 5X3NM ICEBERG3 6044S 05201W 6X4NM 4.ICEBERGS AREA A5800S 02000W 4557S 02000W 5001S 03200W 5605S 03200W B5605S 03200W 5300S 03200W 5400S 04000W 5734S 04000W C5734S 04000W 5500S 04000W 5500S 05100W 6106S 05100W D6106S 05100W 5700S 05100W 6050S 06716W 6233S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-15
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 WITH GUSTS VEER NW 5/4 BY 14/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 7/8 WITH GUSTS VEER NW 6/5 WITH GUSTS BY 14/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/6 WITH GUSTS VEER NW 5/4 BY 14/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 7/8 WITH GUSTS VEER NW 5/4 WITH GUSTS BY 14/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 4/3 BACK SW 4/3 BY 14/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS VERY POOR TO MODERATE
MARGARITA BAY : SECTOR N 4/5 VEER SECTOR N 4/5 BY 15/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
EREBUS Y TERROR GULF : SECTOR S 5/4 VEER NW 4 BY 15/0300 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 VEER NW 5/6 WITH GUSTS BY 14/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/3 VEER NW 3/4 BY 14/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SECTOR W 4/5 BY 14/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 4/5 BACK SW 5/6 WITH GUSTS BY 14/2100 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 BACK SW 4/5 BY 14/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 3/5 BY 15/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE=