1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-15, 00:00 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 21:00UTC
HIGH 1029HPA 38S 49W MOV NE INTSF
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-16
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/5 WITH GUSTS PROB OF RAIN VIS MODERATE OCNL
POOR
OUTER RIO DE LA PLATA: NE 5 WITH GUSTS PROB OF RAIN VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: NE 5 GUST WITH 8 INTENSITY PROB OF RAIN STARTING
EVENING VIS GOOD TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): NE 5/6 WITH GUSTS PROB OF RAIN STARTING
EVENING VIS GOOD TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 5/6 WITH GUSTS PROB OF RAIN
STARTING EVENING VIS GOOD TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 7 WITH GUSTS PROB OF RAIN
STARTING EVENING VIS GOOD TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5 WITH GUSTS BACK SECTOR S BY
15/2100 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5/4 BACK SECTOR S 4 BY 15/0900 PROB
OF ISOL RAIN VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR N 5/4 PROB OF RAIN VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) N OF 40S: SECTOR S 6/5 PROB OF RAIN AND SNOW
MIXTURE VIS POOR TO MODERATE
W OF 50W: SECTOR N 5/6 PROB OF RAIN STARTING NIGTH VIS MODERATE TO POOR
REST OF THE AREA: VRB 4 VEER SECTOR N 5/6 PROB OF RAIN STARTING NIGTH VIS GOOD
TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5/6 WITH GUSTS VIS
GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 6 WITH GUSTS PROB OF RAIN STARTING NIGTH VIS GOOD TO
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6 WITH GUSTS PROB OF RAIN AND
SNOW MIXTURE VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6/5 PROB OF RAIN VIS
POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VIS GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 3/4 VIS GOOD OCNL MODERATE
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 15, AUGUST 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1052/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 62S-64S 60W-51W FROM 15/0900 UNTIL 16/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 976HPA 66S 34W MOV SE DPN
LOW 996HPA 62S 61W MOV E WKN
RIDGE 63S 50W 65S 49W 72S 45W MOV E WKN
141400 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 6028S 05223W 21X12NM A81 5909S 05110W 28X25NM A76C 5243S 03040W 16X6NM A83 6104S 05049W 12X7NM 3.ICEBERGS SMALLER THAN 10NM D33C 6132S 05410W 9X5NM ICEBERG1 6030S 05123W 5X3NM ICEBERG2 6128S 05333W 5X3NM ICEBERG3 6121S 05301W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-16
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/3 VEER NW 4/5 BY 15/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 6/5 WITH GUSTS INCR SECTOR W 7/8 WITH GUSTS BY 15/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/3 VEER NW 4/5 BY 15/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 6/5 WITH GUSTS INCR SECTOR W 7/8 WITH GUSTS BY 15/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 4/3 BACK SECTOR W 4/3 BY 15/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MARGARITA BAY : SECTOR N 4/5 BACK NW 4/5 BY 15/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : NW 3/4 BACK SW 4/5 BY 15/1200 PROB OF MIST VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 4/5 BACK SECTOR W 5/4 BY 15/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/3 BACK SW 3/4 BY 15/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/5 BACK SW 5/3 BY 15/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 5/6 VEER NW 5/4 WITH GUSTS BY 15/1500 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER NW 4/5 BY 15/1200 PROB OF MIST VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK NE 4/3 BY 15/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE=