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
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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=