METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 240000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-06-24, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 280: LOW 973HPA AT 42S 41W MOV SE DEEPENING WILL PROVOKE WINDS FORCE 9

BETWEEN 35S-50S 20W-30W FROM 24/0900

WARNING 278: LOW 975HPA AT 57S 38W MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM

SW WITH GUST BETWEEN 50S-60S AND 20W-50W

WARNING 277: LOW 973HPA AT 42S 41W MOV SE DEEPENING PROVOKES WINDS FORCE 9

AROUND ITSELF WITH GUST BETWEEN 35S-50S AND 30W-50W

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 973HPA 42S 41W MOV SE DPN EXP 51S 23W BY 24/1500 EXTENDS CFNT AT 42S 31W 39S

32W 36S 33W

LOW 975HPA 57S 38W MOV E DPN EXP 57S 30W BY 24/1800 EXTENDS CFNT AT 54S 36W 53S

38W 50S 41W

231400 UTC 1.SEA ICE LIMIT 5920S 02000W 5707S 02618W 5831S 03217W 5804S 03757W

5852S 04316W 5921S 04814W 6157S 05247W 6221S 05654W 6232S 06033W 6415S 06336W

6551S 06611W 6605S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5322S 03220W 16X6NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 6154S 05536W

2X1NM ICEBERG3 5330S 03213W 3X1NM 4.ICEBERGS AREA A6125S 02000W 4406S 02000W

5200S 03800W 5825S 03800W B5825S 03800W 5200S 03800W 6000S 05500W 6106S 05500W

C6106S 05500W 6000S 05500W 6200S 06716W 6829S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-25

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR W 4 VIS GOOD

OUTER RIO DE LA PLATA: SECTOR W 5/4 PROB OF ISOL DRIZZLE VIS GOOD OCNL

MODERATE

URUGUAY SOUTH EAST COASTS: SECTOR W 6/5 PROB OF ISOL DRIZZLE VIS MODERATE OCNL

POOR

MAR DEL PLATA COASTS(3617S - 3830S): SW 5 WITH GUSTS VEER W 4 BY 24/1800 PROB

OF SH VIS MODERATE

RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 4 VEER NW 4 BY 24/1200 PROB OF SH

VIS MODERATE OCNL POOR

PENINSULA DE VALDES COASTS(41S - 45S): SW 4 VEER NW 4 BY 24/0900 BACK SECTOR S

5 BY 24/1800 PROB OF SH VIS MODERATE OCNL POOR

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 3/4 PROB OF SH RAIN STARTING

EARLY MORNING VIS MODERATE OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S): SW 3/4 PROB OF SH RAIN AND SNOW MIXTURE VIS

MODERATE

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 PROB OF SH RAIN AND SNOW MIXTURE

VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR W 4/3 PROB OF SH OF SNOW VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: NW 9/8 WITH GUSTS PROB OF SH RAIN

VIS VERY POOR

W OF 40 - E OF 50W: SECTOR W 9/8 WITH GUSTS DECR 5 BY 24/1200 PROB OF SH RAIN

VIS VERY POOR TO POOR

REST OF THE AREA: SW 6/5 WITH GUSTS PROB OF SH VIS MODERATE OCNL POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR N 7 GUST

WITH 8 INTENSITY BACK NW 8/9 WITH GUSTS BY 24/0900 PROB OF SH RAIN VIS VERY POOR

TO POOR

E OF 30 - S OF 45S: SECTOR N 6/7 WITH GUSTS BACK SW 8 WITH GUSTS BY 24/1800

PROB OF SH OF SNOW RAIN VIS VERY POOR

W OF 30 - N OF 45S: NW 9/8 WITH GUSTS BACK SW 8 BY 24/1800 PROB OF SH RAIN VIS

VERY POOR

REST OF THE AREA: SW 7/8 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS POOR

OCNL VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 9/8 WITH

GUSTS DECR 4/3 BY 24/1200 PROB OF SH RAIN VIS VERY POOR TO MODERATE

E OF 50 - S OF 45S: SW 6 WITH GUSTS PROB OF SH OF SNOW VIS MODERATE TO POOR

W OF 50 - N OF 45S: SW 5/4 PROB OF SH VIS MODERATE

REST OF THE AREA: SECTOR S 5/4 DECR VRB 3 BY 24/1200 PROB OF SH RAIN AND SNOW

MIXTURE VIS MODERATE OCNL POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR N 5/6 WITH

GUSTS BACK SW 7/8 WITH GUSTS BY 24/1800 PROB OF RAIN SNOW FALL VIS VERY POOR TO

POOR

E OF 30 - S OF 55S: NE 6 WITH GUSTS PROB OF SNOW FALL VIS VERY POOR

REST OF THE AREA: SW 8 WITH GUSTS PROB OF SNOW FALL VIS VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SW 7/6 WITH GUSTS

PROB OF SNOW FALL VIS MODERATE OCNL POOR

E OF 50 - S OF 55S: SECTOR S 8/7 WITH GUSTS PROB OF SH OF SNOW VIS POOR TO

MODERATE

REST OF THE AREA: SECTOR S 6/5 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER

VIS MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): NW 4 PROB OF SH RAIN AND SNOW MIXTURE VIS

MODERATE

-----------------------------------------------------------------

NNNN=


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 231200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 23, JUNE 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

832/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-73S 90W-70W FROM 24/0000 UNTIL 24/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 992HPA 62S 85W MOV SE DPN

LOW 989HPA 61S 50W MOV E WKN

LOW 990HPA 64S 45W MOV E WKN

RIDGE 60S 70W 63S 71W 67S 74W MOV E INTSF

221400 UTC 1.SEA ICE LIMIT 6043S 02000W 5803S 02618W 5846S 03217W 5805S 03758W 5816S 04316W 5910S 04813W 6102S 05247W 6142S 05655W 6328S 06033W 6408S 06337W 6512S 06559W 6554S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5325S 03215W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 6154S 05536W 2X1NM 4.ICEBERGS AREA A6125S 02000W 4406S 02000W 5200S 03800W 5825S 03800W B5825S 03800W 5200S 03800W 6000S 05500W 6106S 05500W C6106S 05500W 6000S 05500W 6200S 06716W 6829S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-24

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER SECTOR W 4/3 BY 23/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS EVENING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 6/5 VEER SECTOR W 4/3 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 5/4 VEER SECTOR W 4/3 BY 23/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 6/5 VEER SECTOR W 4/3 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4 BY 24/0600 PROB OF MIST IMPR STARTING EARLY MORNING VIS POOR TO MODERATE

MARGARITA BAY : SECTOR N 4/3 VEER NE 4/3 BY 23/1800 VIS GOOD

EREBUS Y TERROR GULF : SW 7/8 WITH GUSTS BACK SECTOR S 5/4 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 4/5 BACK NW 6/7 WITH GUSTS BY 24/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 6/5 WITH GUSTS BACK SECTOR N 7/8 BY 23/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/6 INCR NE 8 WITH GUSTS BY 23/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA N OF 65S: SE 3/4 VEER SECTOR S 4/5 BY 24/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 DECR SW 3 BY 24/0000 PROB OF MIST VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/3 BACK SE 4/5 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD=