1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 22, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
822/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 64S-69S 90W-75W FROM 22/0600 UNTIL 22/2100
823/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV SE DEEPENING PROVOKES WINDS FORCE 8 IN 60S-66S 60W-50W UNTIL 22/0600
824/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-67S 50W-30W UNTIL 22/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 964HPA 70S 75W MOV E WKN
LOW 952HPA 68S 45W MOV E DPN
211400 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 5337S 03143W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 6145S 05555W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-23
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 8 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 8 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 8 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 8 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 5/4 BY 22/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 3/4 VEER NE 4/3 BY 22/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR N 7/5 WITH GUSTS VEER SW 5/6 BY 22/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 3/4 BACK SECTOR S 6/7 WITH GUSTS BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY VEER NW 7/8 BY 22/1200 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): SECTOR S 4/5 VEER SW 5/6 BY 22/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 9 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 22/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 6/7 GUST WITH 8 INTENSITY VEER SE 7 WITH GUSTS BY 22/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 VEER SECTOR E 4/5 WITH GUSTS BY 22/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-22, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 275: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SECTOR W WITH
GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W)
WARNING 274: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S AND 40W-60W UNTIL 22/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1026HPA 45S 32W MOV NE INTSF EXP 40S 20W BY 22/1800
LOW 1008HPA 51S 55W MOV E WKN EXTENDS CFNT AT 50S 54W 42S 53W 35S 57W MOV E
211400 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 5337S 03143W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 6145S 05555W
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-23
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 BACK SW 4 BY 22/0600 VIS GOOD
OUTER RIO DE LA PLATA: NW 4 BACK SW 4/5 BY 22/0600 PROB OF RAIN TOWARDS THE END
OF THE PERIOD VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: VRB 3/4 VEER SECTOR S 5 BY 22/1500 PROB OF FOG MIST
NXT RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4/5 PROB OF RAIN STARTING
EVENING VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 4/5 PROB OF SH VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/5 PROB OF SH VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6/5 PROB OF SH VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5 VEER SECTOR W 5/6 WITH GUSTS BY
22/1200 VIS GOOD TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6 WITH GUSTS UNSTABLE VIS MODERATE
ISLAS MALVINAS COASTS: VRB 4 PROB OF MIST IMPR STARTING EARLY MORNING VIS GOOD
OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR E 5/6 WITH GUSTS PROB OF
RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 5 WITH GUSTS VEER VRB 4/6 WITH GUSTS BY 22/1500 PROB
OF ISOL RAIN NXT HVY RAIN VIS MODERATE TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NE 5/4 PROB OF ISOL RAIN
STARTING EVENING VIS GOOD TO MODERATE
: SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN STARTING EVENING VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 6/5 WITH GUSTS PROB
OF RAIN VIS POOR TO MODERATE
REST OF THE AREA: VRB 4/3 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 7/8 WITH GUSTS PROB
OF RAIN SNOW FALL VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 8/9 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: NW 6 WITH GUSTS BACK SECTOR W
5/4 BY 22/1500 PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE
REST OF THE AREA: SECTOR W 8/6 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY POOR
TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 GUST WITH 8 INTENSITY PROB OF
RAIN SNOW FALL VIS POOR
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