METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 030000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-07-3, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 304: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 9 FROM SECTOR W WITH

GUST IN DRAKE AREA (55S- 60S AND 60W- 67W)

WARNING 305: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 10 FROM SECTOR W WITH

GUST BETWEEN 50S-60S 30W-60W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

021400 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 6200S 05339W 28X25NM

A76C 5255S 03213W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4727S 02239W

3X1NM ICEBERG2 5247S 03150W 2X1NM ICEBERG3 6142S 05333W 2X1NM 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 1023HPA 37S 52W MOV NE

CFNT AT DRAKE AREA (55S- 60S AND 60W- 67W) MOV E

CFNT AT 60S 32W 55S 34W 46S 40W MOV E

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-4

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR S 3 PROB OF MIST IMPR DURING THE MORNING VIS

MODERATE TO GOOD

OUTER RIO DE LA PLATA: SW 4/3 PROB OF SH IMPR STARTING EARLY MORNING VIS

MODERATE TO GOOD

URUGUAY SOUTH EAST COASTS: SW 6/7 GUST WITH 8 INTENSITY PROB OF HVY RAIN VIS

VERY POOR

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/5 WITH GUSTS PROB OF SH IMPR

STARTING EARLY MORNING VIS MODERATE TO GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 4/3 PROB OF MIST IMPR DURING THE

MORNING VIS MODERATE TO GOOD

PENINSULA DE VALDES COASTS(41S - 45S): NW 4/6 WITH GUSTS VIS GOOD TO

MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): NW 5/4 VIS GOOD

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 7/6 WITH GUSTS BACK VRB 5/4 BY

3/0900 VIS POOR TO GOOD

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 7/5 WITH GUSTS UNSTABLE VIS POOR

ISLAS MALVINAS COASTS: SECTOR W 7/6 WITH GUSTS BACK VRB 5/4 BY 3/1200 VIS POOR

TO MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 5/6 WITH GUSTS PROB OF

ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR S 6/7 GUST WITH 8 INTENSITY PROB OF RAIN NEXT HVY RAIN

VIS POOR OCNL VERY POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6 WITH GUSTS PROB OF SH VIS

MODERATE OCNL POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR S 5 LOW PROB OF ISOL

RAIN VIS GOOD OCNL MODERATE

REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VIS GOOD

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 5/7 WITH GUSTS PROB

OF SH OF SNOW VIS POOR OCNL MODERATE

REST OF THE AREA: SECTOR W 6/7 WITH GUSTS INCR SECTOR W 8/9 WITH GUSTS BY

3/1200 PROB OF SNOW FALL STARTING EARLY MORNING VIS MODERATE TO VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 8 WITH GUSTS UNSTABLE

VIS VERY POOR

REST OF THE AREA: SECTOR W 9/10 WITH GUSTS PROB OF RAIN NEXT SNOW FALL VIS VERY

POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 9/8 WITH GUSTS PROB OF SH RAIN AND

SNOW MIXTURE VIS VERY POOR

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HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 030000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 03, JULY 2026.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

876/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 80W-70W UNTIL 03/0600

877/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST BACK SW IN 60S-64S 70W-50W UNTIL 04/0000

878/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY BACK SW IN 64S-67S 58W-50W UNTIL 04/0000

879/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SECTOR W IN 60S-65S 50W-30W FROM 03/0600 UNTIL 04/1200

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 956HPA 64S 69W MOV SE DPN

LOW 950HPA 64S 58W MOV SE DPN

LOW 968HPA 70S 40W MOV SE WKN

RIDGE 60S 82W 65S 80W 68S 78W MOV E INTSF

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-4

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: NW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

GERLACHE STRAIT : NW 5/6 WITH GUSTS BACK SW 7 GUST WITH 8 INTENSITY BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE

MARGARITA BAY : NW 5/4 VEER SECTOR N 4/5 BY 3/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

EREBUS Y TERROR GULF : NW 9 WITH GUSTS BACK SW 8 GUST WITH 9 INTENSITY BY 3/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS VEER NW 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4/5 WITH GUSTS VEER SECTOR N 4/3 BY 3/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: NW 5/6 WITH GUSTS BACK SECTOR W 7/8 BY 3/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 5/6 WITH GUSTS VEER NE 7 BY 3/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 VEER SECTOR E 4/3 BY 3/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS MODERATE TO GOOD=