1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-23, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 279: STRONG BARIC GRADIENT 35S 20W 45S 30W EXPECTED BY 24/0600 WILL
PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST
WARNING 278: LOW 990HPA AT 58S 48W DEEPENING EXPECTED 58S 32W BY 24/1200 WILL
PROVOKE WINDS FORCE 8 FROM SW WITH GUST BETWEEN 55S-60S AND 50W-35W FROM
23/1500
WARNING 277: LOW 981HPA AT 38S 46W MOV SE DEEPENING EXPECTED 43S 33W BY 24/1200
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-50S AND 30W-55W
WARNING 276: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM W WITH GUST
BETWEEN 55S-60S AND 20W-30W UNTIL 23/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 990HPA 58S 48W MOV E DPN EXP 58S 32W BY 24/1200 EXTENDS CFNT AT 38S 46W 53S
52W 50S 55W
LOW 981HPA 38S 46W MOV SE DPN EXP 43S 33W BY 24/1200 EXTENDS OFNT AT 40S 43W 38S
50W 36S 48W
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 2026-06-24
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 5/3 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 5/3 LOW PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
URUGUAY SOUTH EAST COASTS: SW 6/5 WITH GUSTS PROB OF ISOL SH RAIN VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4/6 WITH GUSTS DECR 4/3 PROB OF
ISOL SH RAIN VIS MODERATE OCNL GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 5 WITH GUSTS VEER W 5 WITH GUSTS
PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5/4 WITH GUSTS VEER SECTOR W
4/3 PROB OF ISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/4 WITH GUSTS VEER 3 VIS
GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 6/4 WITH GUSTS VEER NW 4/3 BACK W
3 PROB OF ISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 6 WITH GUSTS VEER NW 4 PROB OF ISOL
RAIN RAIN AND SNOW MIXTURE STARTING EVENING VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR S 6/4 WITH GUSTS VEER SECTOR W 3 WITH GUSTS PROB
OF ISOL RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 6/8 WITH GUSTS PROB OF
RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
E OF 40W: SECTOR N 6 WITH GUSTS VEER SECTOR W 8 WITH GUSTS PROB OF RAIN STORMS
SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 8/5 WITH GUSTS PROB OF RAIN STORMS SPELLS OF GOOD
WEATHER VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45 - E OF 30W: SECTOR N 6/8 WITH
GUSTS PROB OF RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
S OF 45 - E OF 30W: SECTOR N 6 WITH GUSTS PROB OF DRIZZLE STORMS SPELLS OF GOOD
WEATHER VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 6/8 VEER SECTOR S 8 WITH GUSTS PROB OF HVY RAIN
STORMS SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6/8 WITH GUSTS PROB
OF ISOL RAIN STORMS SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD
WEATHER VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) S OF 55 - E OF 30W: SECTOR W 8/6 WITH
GUSTS VEER SECTOR N 5 WITH GUSTS PROB OF ISOL RAIN SNOW FALL VIS POOR
N OF 55 - E OF 30W: SECTOR W 6 WITH GUSTS VEER SECTOR N 5/6 PROB OF ISOL RAIN
SNOW FALL VIS POOR
N OF 55 - W OF 30W: SECTOR W 5/6 WITH GUSTS BACK SECTOR S 6 WITH GUSTS PROB OF
ISOL RAIN SNOW FALL VIS POOR
REST OF THE AREA: SECTOR N 4/6 WITH GUSTS BACK SW 6/8 WITH GUSTS PROB OF ISOL
RAIN SNOW FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55 - E OF 50W: NW 5 WITH GUSTS BACK
SECTOR S 6 WITH GUSTS PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER
PROB OFISOL RAIN SNOW FALL VIS POOR
S OF 55 - E OF 50W: SW 6/8 WITH GUSTS BACK S 6 WITH GUSTS PROB OF ISOL RAIN
SNOW FALL SPELLS OF GOOD WEATHER VIS POOR
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS PROB OF ISOL RAIN SNOW FALL SPELLS OF
GOOD WEATHER VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SW 6/5 WITH GUSTS VEER SECTOR N 4 PROB OF
ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS POOR
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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=