1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-08-30, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 395: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 WITH GUST BETWEEN
35S-45S AND 20W-30W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
291400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W
5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W
6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM
A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W
6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W
5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W
6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W
LOW 1000HPA 41S 26W MOV SE DPN EXTENDS CFNT MOV NE
CFNT AT 56S 33W 55S 36W 54S 41W MOV E
RIDGE GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS MOV
E MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-31
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3 VIS GOOD
OUTER RIO DE LA PLATA: NE 3/4 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 UNSTABLE DURING THE EARLY
MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 4 PROB OF ISOL SH STORMS VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 4 PROB OF SH STARTING EVENING IMPR
VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 UNSTABLE VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 PROB OF SH STARTING EVENING
VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4 PROB OF SH STARTING NOON VIS
MODERATE
ISLAS MALVINAS COASTS: SECTOR S 4 VEER SECTOR N 4 BY 30/1500 PROB OF RAIN AND
SNOW MIXTURE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8/7 BACK SW 5 BY 30/1200 PROB OF
HVY RAIN VIS VERY POOR
W OF 30 - E OF 40W: SECTOR S 5/4 DECR VRB 3 BY 30/1500 PROB OF RAIN STARTING
NOON IMPR VIS MODERATE TO GOOD
REST OF THE AREA: VRB 3 INCR NW 4 BY 30/0600 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 8 WITH GUSTS
BACK 6 WITH GUSTS SH RAIN VIS GOOD
E OF 30 - S OF 45S: SECTOR W 5 PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE
REST OF THE AREA: NW 5/6 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS
MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 5/6 PROB OF SH VIS
MODERATE OCNL POOR
W OF 50 - N OF 45S: NW 4/5 WITH GUSTS PROB OF ISOL SH STORMS STARTING EARLY
MORNING VIS MODERATE OCNL POOR
REST OF THE AREA: SW 4/5 DECR VRB 3 BY 30/1500 PROB OF SH STARTING EVENING IMPR
VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 6/5 PROB OF SNOW FALL
VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 6/5 PROB OF SH OF SNOW VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 4 PROB OF SH RAIN AND SNOW
MIXTURE VIS MODERATE
REST OF THE AREA: SECTOR W 5/6 PROB OF SH OF SNOW STARTING EVENING IMPR VIS
MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SW 4 VEER SECTOR N 4 BY 30/1200 UNSTABLE VIS
GOOD OCNL MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 30, 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 991HPA 62S 58W MOV E WKN
LOW 995HPA 62S 44W MOV E DPN
HIGH 999HPA 64S 80W MOV E INTSF
91400 UTC 1.SEA ICE LIMIT 5523S 02000W 5404S 02618W 5212S 03217W 5521S 03758W 5652S 04316W 5829S 04814W 5954S 05248W 6125S 05655W 6101S 06033W 6035S 06336W 6028S 06559W 6137S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5336S 02841W 17X6NM A81 5851S 04914W 28X25NM D33B 5932S 05023W 21X12NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5904S 05142W 5X3NM ICEBERG2 6047S 05440W 5X3NM ICEBERG3 6035S 05234W 6X4NM ICEBERG4 6055S 05357W 2X1NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W 5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W 6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4 VEER SECTOR W 3/4 BY 29/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 VEER SW 3/4 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4 VEER SECTOR W 3/4 BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/3 VEER NW 3/4 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR S 3/4 VEER SW 4/3 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
MARGARITA BAY : NE 4/3 BACK NW 4/3 BY 30/1200 PROB OF MIST VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 4/5 VEER NW 4/3 BY 30/1500 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 4/3 VEER SECTOR W 4/3 BY 30/1200 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 VEER NE 4/3 BY 30/0900 PROB OF MIST IMPR DURING THE NOON VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 2/4 BACK SW 4/3 BY 30/1200 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SW 4/5 BACK SECTOR S 5/6 BY 30/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 5/6 WITH GUSTS BACK SW 5/4 BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/6 WITH GUSTS BACK SECTOR E 5/4 BY 30/1500 PROB OF MIST PROB OFCOASTAL BLIZZARD WORSENING STARTING NOON VIS GOOD TO MODERATE=