1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-14, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 376: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 35S-40S AND 20W-40W UNTIL 14/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
HIGH 1029HPA 42S 56W MOV NE NC
LOW 993HPA 40S 25W MOV NE DPN
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-15
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4 WITH GUSTS PROB OF DRIZZLE VIS MODERATE
OUTER RIO DE LA PLATA: SECTOR E 4/5 WITH GUSTS UNSTABLE VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 4 WITH GUSTS UNSTABLE VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 4 WITH GUSTS UNSTABLE STARTING EARLY
MORNING IMPR VIS MODERATE OCNL GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 WITH GUSTS UNSTABLE
STARTING EARLY MORNING IMPR VIS MODERATE OCNL GOOD
PENINSULA DE VALDES COASTS(41S - 45S): N 6 WITH GUSTS UNSTABLE DURING THE
EVENING VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): N 6/5 WITH GUSTS PROB OF MIST STARTING
EARLY MORNING IMPR PROB OF SH RAIN STARTING EARLY MORNING VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4 WITH GUSTS PROB OF MIST STARTING
EARLY MORNING IMPR PROB OF RAIN STARTING EVENING VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 VEER SECTOR N 4 BY 14/0600 PROB OF
FOG MIST STARTING EARLY MORNING IMPR VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SECTOR W 5 WITH GUSTS VEER SW 5 WITH GUSTS BY 14/1200
PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 8/7 WITH GUSTS 7/6 BY 14/1200
DECR 6 WITH GUSTS BY 14/2100 PROB OF RAIN STORMS STARTING EVENING IMPR VIS POOR
MODERATE
E OF 50 - W OF 40W: SW 6/5 WITH GUSTS DECR 4/3 BY 14/1800 VIS MODERATE TO
GOOD
REST OF THE AREA: E 3 BACK NE 3/4 BY 14/0900 UNSTABLE VIS GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 7/6 GUST WITH 8 INTENSITY DECR 6/5
WITH GUSTS BY 14/2100 PROB OF RAIN STORMS STARTING EARLY MORNING IMPR PROB OF SH
STARTING EVENING VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY
DECR 5 WITH GUSTS BY 14/1500 PROB OF SH STARTING EVENING IMPR VIS MODERATE TO
GOOD
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR N 5 WITH GUSTS BY 14/1200
UNSTABLE VIS MODERATE OCNL GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SW 6/5 WITH GUSTS VEER SECTOR W 5 WITH
GUSTS BY 14/0900 INCR 5/6 WITH GUSTS BY 14/1800 PROB OF ISOL RAIN SNOW FALL VIS
MODERATE GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY
PROB OF ISOL RAIN SNOW FALL STARTING EVENING IMPR VIS MODERATE OCNL POOR
REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY VEER SECTOR W 5 WITH GUSTS BY
14/0600 PROB OF ISOL RAIN SNOW FALL STARTING EARLY MORNING IMPR VIS MODERATE
OCNL POOR TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SW 5 WITH GUSTS VEER NW 4/3 BY 14/1500 PROB
OF ISOL RAIN TOWARDS THE END OF THE PERIOD PROB OF FOG MIST STARTING EARLY
MORNING IMPR VIS MODERATE OCNL GOOD
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, AUGUST 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1049/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 61S-64S 65W-55W FROM 13/2100 UNTIL 14/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 992HPA 64S 55W MOV SE DPN
LOW 993HPA 67S 59W MOV E WKN
RIDGE 60S 48W 63S 46W 66S 42W MOV E INTSF
121400 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 6047S 05248W 21X12NM A81 5911S 05114W 28X25NM A76C 5248S 03055W 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 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 2026-08-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/7 WITH GUSTS VEER SECTOR W 5/4 BY 14/0300 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: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 6/7 WITH GUSTS VEER SECTOR W 5/4 BY 14/0300 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: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 4/3 VEER SECTOR S 4/2 BY 13/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE
MARGARITA BAY : NE 3/4 BACK SECTOR N 4/3 BY 13/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : SW 6/7 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 14/0300 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 W 5/6 WITH GUSTS VEER NW 4/5 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER NW 5 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SW 4/5 BY 14/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 3/4 WITH GUSTS VEER NW 4/5 BY 13/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 VEER NW 4/3 BY 14/0300 PROB OF MIST VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK NE 4/5 BY 13/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE=