1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 30, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
866/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST BACK NW IN 60S-68S 90W-70W FROM 30/1500 UNTIL 01/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 975HPA 71S 38W MOV E WKN
RIDGE 60S 78W 66S 75W 68S 70W MOV E INTSF
HIGH 994HPA 64S 58W MOV E INTSF
291400 UTC 1.SEA ICE LIMIT 6002S 02000W 5716S 02618W 5749S 03217W 5758S 03757W 5836S 04317W 5911S 04814W 6130S 05247W 6200S 05655W 6326S 06033W 6411S 06337W 6527S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5256S 03149W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4729S 02248W 4X1NM ICEBERG2 5242S 03201W 3X1NM 4.ICEBERGS AREA A60015S 02000W 4200S 02000W 5035S 03500W 5830S 03300W B58030S 03300W 5130S 03430W 5620S 04940W 5935S 04815W C58035S 04515W 5620S 04840W 6150S 06716W 6320S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-7-1
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/7 GUST WITH 8 INTENSITY VEER SECTOR W 6/5 WITH GUSTS BY 30/1800 PROB OF MIST PROB OFSCT SH OF SNOW IMPR DURING THE EVENING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 5/6 VEER SW 5 BY 30/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 5/7 GUST WITH 8 INTENSITY VEER SECTOR W 7/5 WITH GUSTS BY 30/1800 PROB OF MIST PROB OFSCT SH OF SNOW IMPR DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 5/6 VEER SW 5 BY 30/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 4/3 BACK NE 4/5 BY 1/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
MARGARITA BAY : SECTOR E 3/4 BACK NE 5/6 WITH GUSTS BY 1/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 4/5 WITH GUSTS VEER NW 5/6 BY 1/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 5/6 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 30/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VEER SECTOR N 6/8 WITH GUSTS BY 30/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 3/4 BACK NE 5/6 BY 30/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: SECTOR S 3/4 VEER SW 4/5 BY 30/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/5 GUST WITH 8 INTENSITY BACK SW 6/5 WITH GUSTS BY 30/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 6/5 WITH GUSTS VEER SE 4/5 BY 30/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-30, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 301: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST IN PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS FROM 30/1200
WARNING 300: LOW 975HPA AT 47S 36W MOV SE DEEPENING EXPECTED 57S 20W BY 01/0000
PROVOKES WINDS FORCE 9 AROUND ITSELF WITH GUST BETWEEN 50S-55S 20W-40W
WARNING 299: LOW 978HPA AT 57S 60W MOV E DEEPENING EXPECTED 57S 43W BY 01/0000
WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH GUST BETWEEN 55S-60S 40W-50W FROM
30/1500
WARNING 298: LOW 978HPA AT 57S 60W MOV E DEEPENING EXPECTED 57S 43W BY 01/0000
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN SOUTH PATAGONIA COASTS FIN DEL
MUNDO COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN
55S-60S AND 50W-60W
WARNING 295: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SECTOR N WITH
GUST BETWEEN 35S-42S AND 20W-30W UNTIL 30/0900
WARNING 296: LOW 975HPA AT 47S 36W MOV SE DEEPENING EXPECTED 57S 20W BY 01/0000
PROVOKES WINDS FORCE 10 AROUND ITSELF WITH GUST BETWEEN 42S-50S AND 20W-40W
UNTIL 30/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 975HPA 47S 36W MOV SE DPN EXP 57S 20W BY 01/0000 EXTENDS CFNT AT 41S 33W 37S
33W 35S 35W MOV E
LOW 978HPA 57S 60W MOV E DPN EXP 57S 43W BY 01/0000 EXTENDS CFNT AT FIN DEL
MUNDO COASTS MOV NE EXP RINCON BAHIA BLANCA COASTS BY 30/2100
CFNT AT 42S 48W 39S 50W 36S 54W MOV E
RIDGE 40S 59W 43S 57W 47S 51W MOV E
291400 UTC 1.SEA ICE LIMIT 6002S 02000W 5716S 02618W 5749S 03217W 5758S 03757W
5836S 04317W 5911S 04814W 6130S 05247W 6200S 05655W 6326S 06033W 6411S 06337W
6527S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5256S 03149W 16X6NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4729S 02248W 4X1NM ICEBERG2 5242S 03201W
3X1NM 4.ICEBERGS AREA A60015S 02000W 4200S 02000W 5035S 03500W 5830S 03300W
B58030S 03300W 5130S 03430W 5620S 04940W 5935S 04815W C58035S 04515W 5620S
04840W 6150S 06716W 6320S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-7-1
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 BACK SECTOR E 4 BY 30/0600 PROB OF MIST DURING
THE EARLY MORNING NEXT DISSIPATING TOWARDS MORNING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR S 5/4 BACK SECTOR E BY 30/0600 PROB OF MIST DURING
THE EARLY MORNING NEXT DISSIPATING TOWARDS MORNING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR W 5 DECR VRB 3 BY 30/0600 INCR SECTOR E 5 BY
30/2100 PROB OF MIST DURING THE EARLY MORNING NEXT DISSIPATING TOWARDS MORNING
VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 5 DECR VRB 3 BY 30/0300 INCR
SECTOR N 5 WITH GUSTS BY 30/1200 PROB OF MIST DURING THE EARLY MORNING NEXT
DISSIPATING TOWARDS MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 5/6 WITH GUSTS BACK SECTOR S 6
WITH GUSTS BY 30/2300 PROB OF ISOL SH RAIN TOWARDS THE END OF THE PERIOD VIS
GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 6 WITH GUSTS BACK SECTOR S 6/7 WITH
GUSTS BY 30/1200 INCR 8 WITH GUSTS BY 30/1800 PROB OF ISOL SH RAIN STARTING
EARLY MORNING VIS GOOD TO VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 6 WITH GUSTS BACK SECTOR S 8
WITH GUSTS BY 30/1500 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS
MODERATE TO VERY POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 7 GUST WITH 8 INTENSITY BACK
SECTOR S 8 WITH GUSTS BY 30/0600 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO
POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 7 GUST WITH 8 INTENSITY BACK SECTOR
S 8 WITH GUSTS BY 30/0300 PROB OF SNOW FALL VIS VERY POOR TO POOR
ISLAS MALVINAS COASTS: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SECTOR S 7/8 WITH
GUSTS BY 30/0900 PROB OF RAIN AND SNOW MIXTURE NXT SNOW FALL VIS VERY POOR TO
POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 8 WITH GUSTS DECR 7 BY
30/0900 AFTERWARDS SECTOR W 5 WITH GUSTS BY 30/1500 PROB OF RAIN STORMS VIS VERY
POOR TO POOR OCNL MODERATE
W OF 30 - E OF 50W: SECTOR W 6/5 WITH GUSTS DECR VRB 4 BY 30/2100 PROB OF ISOL
RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
REST OF THE AREA: SW 6/5 WITH GUSTS DECR VRB 4/3 BY 30/1200 INCR NW 5 BY
30/2100 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 42S: SECTOR N 9 WITH
GUSTS BACK SECTOR W 6 WITH GUSTS BY 30/0900 PROB OF RAIN SPELLS OF GOOD WEATHER
VIS VERY POOR TO POOR OCNL MODERATE
E OF 30 - S OF 42S: SECTOR N 10 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY
30/0900 DECR 7 WITH GUSTS BY 30/2100 PROB OF RAIN IMPR STARTING EARLY MORNING
VIS VERY POOR TO POOR
W OF 30 - N OF 42S: SECTOR W 7/6 GUST WITH 8 INTENSITY DECR 5 BY 30/2100 PROB
OF ISOL RAIN VIS POOR TO MODERATE OCNL GOOD
REST OF THE AREA: SECTOR N 10 WITH GUSTS BACK SECTOR W BY 30/0300 DECR 7/6 GUST
WITH 8 INTENSITY BY 30/1500 PROB OF HVY RAIN NXT ISOL RAIN VIS VERY POOR TO
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 7/6 GUST WITH 8
INTENSITY INCR 7 GUST WITH 8 INTENSITY BY 30/1200 PROB OF ISOL RAIN SPELLS OF
GOOD WEATHER VIS POOR OCNL VERY POOR
W OF 50 - N OF 45S: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SECTOR S BY 30/2100
PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY BACK SECTOR S BY 30/1500
PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS MODERATE TO POOR OCNL
VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - OF 55S: NE 7/8 WITH GUSTS BACK
SECTOR S 9 BY 30/1500 PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE
PERIOD VIS VERY POOR TO POOR
E OF 30 - S OF 55S: SECTOR N 7/6 GUST WITH 8 INTENSITY VEER SECTOR E 7 GUST
WITH 8 INTENSITY BY 30/1200 AFTERWARDS SECTOR S 6 WITH GUSTS BY 30/1800 PROB OF
SNOW FALL VIS POOR OCNL VERY POOR
W OF 30 - N OF 55S: SECTOR S 7 WITH GUSTS VEER SECTOR W 8 WITH GUSTS BY 30/0600
DECR 7/6 WITH GUSTS BY 30/1800 PROB OF HVY RAIN NXT RAIN AND SNOW MIXTURE VIS
VERY POOR TO POOR
REST OF THE AREA: VRB 4 INCR SECTOR S 5 WITH GUSTS BY 30/1200 VEER SECTOR N BY
30/2100 PROB OF SNOW FALL VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SECTOR W 6/7 GUST
WITH 8 INTENSITY PROB OF ISOL RAIN NXT RAIN AND SNOW MIXTURE VIS MODERATE TO
POOR OCNL VERY POOR
E OF 50 - S OF 55S: SECTOR N 5 WITH GUSTS BACK SECTOR S 8 WITH GUSTS BY 30/1500
PROB OF VIS MODERATE TO VERY POOR
W OF 50 - N OF 55S: W 6/7 GUST WITH 8 INTENSITY BACK SW BY 30/1200 PROB OF ISOL
RAIN NXT RAIN AND SNOW MIXTURE VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 7/8 WITH GUSTS DECR 7 BY 30/2300 PROB OF SNOW FALL
VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 8 WITH GUSTS PROB OF SNOW FALL VIS
VERY POOR
-----------------------------------------------------------------
NNNN=