METAREA 6 bulletinset


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 241200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-06-24, 12:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 283: LOW 970HPA AT 43S 37W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM

SW WITH GUST BETWEEN 45S-50S 20W-30W

WARNING 282: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH

GUST IN SOUTH PATAGONIA COASTS FROM 25/1200

WARNING 281: LOW 970HPA AT 43S 37W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM

SW WITH GUST BETWEEN 40S-50S 30W-40W

WARNING 280: LOW 970HPA AT 43S 37W MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH

GUST BETWEEN 35S-45S AND 20W-30W

WARNING 278: LOW 968HPA AT 57S 36W MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM

SECTOR S WITH GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W)

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 970HPA 43S 37W MOV SE DPN EXTENDS OFNT AT 48S 35W 43S 41W 39S 36W MOV SE

LOW 976HPA 50S 29W MOV SE DPN EXTENDS CFNT AT 49S 25W 34S 30W 23S 44W MOV E

LOW 968HPA 57S 36W MOV E DPN EXTENDS CFNT AT 58S 32W 52S 43W MOV E

LOW 1003HPA 45S 68W MOV NE DPN EXP 39S 56W BY 25/1200 EXTENDS CFNT AT 45S 68W

42S 71W MOV NE

HIGH 1024HPA 26S 54W MOV E INTSF EXP 27S 47W BY 25/1200

241400 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 5303S 03220W 16X6NM

3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-25

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR W 3/4 PROB OF MIST DURING THE EARLY MORNING PROB

OF DRIZZLE STARTING EARLY MORNING VIS MODERATE OCNL GOOD

OUTER RIO DE LA PLATA: SECTOR W 4/5 WITH GUSTS PROB OF MIST DURING THE EARLY

MORNING LOW PROB OF DRIZZLE STARTING EARLY MORNING VIS MODERATE OCNL GOOD

URUGUAY SOUTH EAST COASTS: SECTOR W 4 PROB OF MIST TOWARDS EARLY MORNING LOW

PROB OFISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4/5 WITH GUSTS PROB OF MIST

TOWARDS EARLY MORNING PROB OFISOL SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE

OCNL GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 5 WITH GUSTS BACK SECTOR S

PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5 WITH GUSTS BACK SECTOR S 6

WITH GUSTS VEER VRB 5 BY 25/1200 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS

MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/6 WITH GUSTS VEER SECTOR N 7

WITH GUSTS BY 25/1200 PROB OF SH RAIN IMPR STARTING EARLY MORNING VIS MODERATE

OCNL POOR

SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 4/5 WITH GUSTS VEER SECTOR N 7/8

WITH GUSTS BY 25/1200 PROB OF SH RAIN AND SNOW MIXTURE IMPR STARTING EVENING VIS

MODERATE TO POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 WITH GUSTS VEER SECTOR N 6 WITH

GUSTS PROB OF ISOL SH RAIN DURING THE MORNING VIS MODERATE

ISLAS MALVINAS COASTS: SECTOR N 4/5 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE

SPELLS OF GOOD WEATHER VIS MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 8 WITH GUSTS DECR 6/5 WITH

GUSTS BY 25/0300 PROB OF HVY RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR

REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF SH RAIN VIS MODERATE OCNL

POOR

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W - N OF 45S: SECTOR N 8 WITH

GUSTS BACK SECTOR S 8/7 WITH GUSTS PROB OF SH RAIN VIS POOR

E OF 30W - S OF 45S: SECTOR N 7 WITH GUSTS BACK SECTOR S 8 WITH GUSTS BY

24/1800 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR

REST OF THE AREA: SECTOR S 8 WITH GUSTS DECR 7/6 BY 24/2100 PROB OF RAIN AND

SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR TO MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6/5 WITH GUSTS PROB

OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

REST OF THE AREA: VRB 5 PROB OF ISOL SH RAIN AND SNOW MIXTURE VIS MODERATE

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

SECTOR W 8 WITH GUSTS PROB OF SH OF SNOW SNOW FALL VIS VERY POOR TO POOR

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

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

OF SNOW VIS POOR OCNL MODERATE

REST OF THE AREA: SECTOR S 5 WITH GUSTS VEER SECTOR W PROB OF ISOL SNOW FALL

VIS MODERATE

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/6 WITH GUSTS PROB OF RAIN AND

SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE

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NNNN=


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 241200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 24, JUNE 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

835/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-73S 85W-70W UNTIL 25/0000

836/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 66S-70S 70W-65W UNTIL 25/0300

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 960HPA 70S 82W MOV SE DPN EXTENDS CFNT AT 70S 82W 65S 86W 60S 88W MOV E

HIGH 1004HPA 67S 55W MOV NE INTSF EXTENDS RIDGE AT 67S 55W 63S 56W 60S 58W MOV E

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 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-25

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 4/5 BACK NW 9 BY 24/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS GOOD TO MODERATE OCNL POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 3/4 VEER NW 5/7 BY 25/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 4/5 BACK NW 9 BY 24/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 3/4 VEER NW 5/7 BY 25/0300 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 7/8 WITH GUSTS BY 24/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR

MARGARITA BAY : SECTOR N 5/6 VEER NE 9 WITH GUSTS BY 24/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : NE 4/5 BACK NW 7/8 WITH GUSTS BY 24/2100 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/8 GUST WITH 9 INTENSITY BACK SECTOR W 7/5 WITH GUSTS BY 24/2100 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: NE 7 GUST WITH 8 INTENSITY BACK SECTOR W 6/5 WITH GUSTS BY 24/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 9 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 25/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: SECTOR S 4/5 VEER SW 5/6 BY 24/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NOON VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 VEER NW 4/5 BY 25/0000 PROB OF MIST VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 BACK SE 5/6 BY 24/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD=