1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-01, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 303: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS SOUTH WEST AREA (50S- 60S AND
40W- 60W) DRAKE AREA (55S- 60S AND 60W- 67W)
WARNING 302: LOW 997HPA AT 52S 43W PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 45S-50S AND 40W-30W UNTIL 01/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
301400 UTC 1.SEA ICE LIMIT 5924S 02000W 5722S 02618W 5815S 03218W 5842S 03757W
6010S 04317W 6136S 04814W 6209S 05247W 6313S 05713W 6353S 06033W 6459S 06336W
6614S 06559W 6627S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6209S 05354W 28X25NM
A76C 5256S 03148W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4730S 02247W
4X1NM ICEBERG2 5243S 03202W 3X1NM 4.ICEBERGS AREA A6018S 02000W 4300S 02000W
4500S 03500W 5819S 03500W B5819S 03500W 5100S 03500W 5500S 04900W 6139S 04858W
C6139S 04858W 5900S 04900W 5900S 06000W 6300S 06716W 6647S 06716W
LOW 997HPA 52S 43W MOV SE WKN EXP 57S 21W BY 02/1200 EXTENDS CFNT AT 48S 42W 41S
51W 36S 62W MOV E EXP 38S 44W 48S 24W 52S 20W BY 02/1200
HIGH 1040HPA 42S 65W INTSF
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-2
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4 WITH GUSTS PROB OF MIST FOG PATCHES VIS
MODERATE OCNL GOOD
OUTER RIO DE LA PLATA: SECTOR S 4 WITH GUSTS PROB OF MIST FOG PATCHES PROB OF SH
RAIN FROM 2/0000 VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 4 WITH GUSTS PROB OF MIST FOG PATCHES PROB
OF SH RAIN FROM 2/0000 VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 4/5 WITH GUSTS WORSENING WITH
PROB OF SH RAIN NXT PROB OF SH OF HAIL VIS MODERATE TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4/5 WITH GUSTS WORSENING
WITH PROB OF SH RAIN NXT PROB OF SH OF HAIL VIS MODERATE TO POOR.
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5/6 WITH GUSTS VEER VRB 4 PROB
OF SH OF SNOW NXT PROB OF RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 4/5 WITH GUSTS VEER SECTOR W PROB OF
RAIN AND SNOW MIXTURE VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 6/7 WITH GUSTS LOW PROB OF RAIN
AND SNOW MIXTURE IMPR VIS POOR TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 8 WITH GUSTS TEMPO VEER SECTOR W 6
WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
ISLAS MALVINAS COASTS: SECTOR W 8 WITH GUSTS TEMPO VEER SECTOR W 6 WITH GUSTS
PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 45W: SECTOR S 6/7 WITH GUSTS WORSENING
WITH PROB OF SH RAIN NXT PROB OF SH OF SNOW VIS MODERATE OCNL POOR
REST OF THE AREA: VRB 4 BACK SW 3 LOW PROB OF DRIZZLE VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30 - S OF 45S: NW 8 WITH GUSTS
DECR 6 WITH GUSTS BY 01/1800 WORSENING WITH PROB OF RAIN VIS MODERATE TO POOR
REST OF THE AREA: NW 5/6 WITH GUSTS LOW PROB OF ISOL RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 6/5 WITH GUSTS BACK SECTOR W
7 WITH GUSTS BY 2/0900 PROB OF SH RAIN NXT DRIZZLE VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 5 BACK SECTOR W 6/7 WITH GUSTS BY
01/1800 WORSENING WITH PROB OF RAIN AND SNOW MIXTURE NXT SH OF SNOW VIS MODERATE
OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 7 GUST WITH 8 INTENSITY BACK
SECTOR W 8 WITH GUSTS BY 01/1500 WORSENING WITH PROB OF RAIN AND SNOW MIXTURE
NXT SH OF SNOW VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS TEMPO VEER SECTOR W 6
WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 01, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
870/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SECTOR W IN 60S-64S 70W-55W UNTIL 02/0000
871/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST BACK SECTOR W IN 60S-70S 90W-70W FROM 01/1500 UNTIL 02/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 981HPA 65S 66W MOV SE DPN
RIDGE 72S 50W 65S 46W 62S 42W MOV E WKN
301400 UTC 1.SEA ICE LIMIT 5924S 02000W 5722S 02618W 5815S 03218W 5842S 03757W 6010S 04317W 6136S 04814W 6209S 05247W 6313S 05713W 6353S 06033W 6459S 06336W 6614S 06559W 6627S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6209S 05354W 28X25NM A76C 5256S 03148W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4730S 02247W 4X1NM ICEBERG2 5243S 03202W 3X1NM 4.ICEBERGS AREA A6018S 02000W 4300S 02000W 4500S 03500W 5819S 03500W B5819S 03500W 5100S 03500W 5500S 04900W 6139S 04858W C6139S 04858W 5900S 04900W 5900S 06000W 6300S 06716W 6647S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-2
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 7/8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 7/5 WITH GUSTS BY 01/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 7/8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 7/5 WITH GUSTS BY 01/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO VERY POOR
GERLACHE STRAIT : NE 4/5 WITH GUSTS BACK SECTOR W 4/3 BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : NE 5/7 GUST WITH 8 INTENSITY BACK SECTOR N 7 WITH GUSTS BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 4/5 BACK SW 5/6 BY 01/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7 WITH GUSTS VEER NW 8 GUST WITH 9 INTENSITY BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 01/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 5/6 WITH GUSTS VEER NE 7 GUST WITH 8 INTENSITY BY 01/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 4/5 VEER SECTOR N 7 WITH GUSTS BY 01/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VEER NW 4/5 WITH GUSTS BY 01/1800 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS MODERATE TO VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS BACK SECTOR E 4/5 BY 01/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE=