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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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=