1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 17, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 982HPA 69S 78W MOV E WKN
LOW 993HPA 621S 55W MOV E WKN
HIGH 995HPA 67S 55W MOV E WKN
161400 UTC 1.SEA ICE LIMIT 6015S 02000W 5826S 02618W 5906S 03217W 5918S 03757W 5959S 04317W 6000S 04813W 6154S 05248W 6239S 05654W 6225S 06033W 6405S 06337W 6531S 06559W 6611S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5344S 03145W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4920S 02418W 4X1NM ICEBERG2 6156S 05537W 2X1NM ICEBERG3 6043S 05211W 2X1NM ICEBERG4 6200S 05543W 2X1NM 4.ICEBERGS AREA A6102S 02000W 4400S 02000W 4300S 03400W 5900S 03500W B5900S 03500W 5400S 03800W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-18
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/4 BACK SW 4/3 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR W 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/4 BACK SW 4/3 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 6/5 WITH GUSTS VEER SECTOR W 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/5 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR
MARGARITA BAY : NE 3/4 INCR NE 5 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE NOON VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NE 4/5 INCR NE 6 BY 17/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/3 BACK SW 3/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 BACK SW 5/4 BY 17/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 5/6 WITH GUSTS VEER SE 5/4 BY 17/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: SW 5/7 WITH GUSTS BACK SECTOR S 5/4 BY 18/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 VEER SECTOR W 4 BY 17/2100 PROB OF MIST VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 BACK SECTOR E 4/3 BY 18/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-17, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 249: LOW 984HPA AT 52S 51W MOV NE WEAKENING EXPECTED 42S 37W BY 18/0000
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN ISLAS MALVINAS COASTS BETWEEN
50S-55S AND 50W-60W UNTIL 17/0600
WARNING 267: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 WITH GUST IN
CENTRAL EAST AREA (40S- 50S AND 20W- 40W)
WARNING 266: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 35S-40S 30W-45W FROM 17/0300 UNTIL 17/1200
WARNING 265: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR N
WITH GUST IN PENINSULA DE VALDES COASTS FROM 17/1500
WARNING 264: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 40S-50S AND 40W-55W UNTIL 17/2300
WARNING 263: LOW 957HPA AT 55S 33W MOV SE WEAKENING EXPECTED BY 18/0000 PROVOKES
WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 50S-60S AND 20W-40W UNTIL
17/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1020HPA 44S 69W MOV NE INTSF EXP 35S 54W BY 18/0000
LOW 957HPA 55S 33W MOV SE WKN EXP BY 18/0000
LOW 984HPA 52S 51W MOV NE WKN EXP 42S 37W BY 18/0000
CFNT AT OUTER RIO DE LA PLATA MOV E
CFNT AT 43S 43W 39S 48W 37S 51W MOV E
161400 UTC 1.SEA ICE LIMIT 6015S 02000W 5826S 02618W 5906S 03217W 5918S 03757W
5959S 04317W 6000S 04813W 6154S 05248W 6239S 05654W 6225S 06033W 6405S 06337W
6531S 06559W 6611S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5344S 03145W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4920S 02418W 4X1NM ICEBERG2 6156S 05537W
2X1NM ICEBERG3 6043S 05211W 2X1NM ICEBERG4 6200S 05543W 2X1NM 4.ICEBERGS AREA
A6102S 02000W 4400S 02000W 4300S 03400W 5900S 03500W B5900S 03500W 5400S 03800W
6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-18
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 5 WITH GUSTS BACK SECTOR S BY 17/0600 BACK
SECTOR E BY 17/1800 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 5 WITH GUSTS BACK SECTOR S BY 17/0600 BACK
SECTOR E BY 17/1800 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 6 WITH GUSTS BACK SECTOR S 5 BY 17/0900 BACK
SECTOR E 4 BY 17/1800 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 6/5 WITH GUSTS DECR VRB 4/3 BY
17/1500 INCR SECTOR N 5/6 WITH GUSTS BY 17/2100 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6/5 WITH GUSTS DECR VRB 4/3
BY 17/0900 INCR SECTOR N 6/7 GUST WITH 8 INTENSITY BY 17/1800 PROB OF COASTAL
FOG AND MIST IN PATCHES DURING THE EARLY MORNING DISSIPATING DURING THE MORNING
VIS GOOD TO MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/5 WITH GUSTS DECR VRB 4/3 BY
17/0600 INCR SECTOR N 7/8 WITH GUSTS BY 17/1500 LOW PROB OF DRIZZLE TOWARDS THE
END OF THE PERIOD VIS GOOD TO VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6/5 WITH GUSTS VEER SECTOR N
5/6 WITH GUSTS BY 17/0600 INCR 7 GUST WITH 8 INTENSITY BY 17/1500 VIS GOOD TO
POOR
SOUTH PATAGONIA COASTS(48S - 54S): SW 6/5 WITH GUSTS VEER SECTOR N 6/7 GUST
WITH 8 INTENSITY BY 17/0900 BACK SECTOR W 5 BY 17/2300 LOW PROB OF ISOL RAIN
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 7/6 WITH GUSTS VEER SECTOR N 5 BY
17/1800 PROB OF RAIN AND SNOW MIXTURE STARTING EVENING VIS POOR TO MODERATE OCNL
GOOD
ISLAS MALVINAS COASTS: SW 8/7 WITH GUSTS VEER W 6/5 BY 17/0900 VEER SECTOR N BY
17/2100 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS VERY POOR TO
POOR OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 7 GUST WITH 8 INTENSITY PROB OF
ISOL RAIN VIS POOR OCNL VERY POOR
W OF 30 - E OF 45W: SECTOR W 6/8 WITH GUSTS BACK SECTOR S 7 GUST WITH 8
INTENSITY BY 17/1200 PROB OF RAIN VIS VERY POOR TO POOR
REST OF THE AREA: W 7 GUST WITH 8 INTENSITY BACK SW BY 17/0300 DECR 6 BY
17/1200 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS POOR TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: NW 7/8 WITH GUSTS BACK
SECTOR S 6 WITH GUSTS BY 17/1800 PROB OF RAIN VIS VERY POOR TO POOR
W OF 30 - N OF 45S: NW 7/8 WITH GUSTS BACK SW 7 GUST WITH 8 INTENSITY BY
17/1200 PROB OF RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY PROB OF RAIN AND SNOW MIXTURE VIS
POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 55W: SECTOR S 8 WITH GUSTS DECR
7/6 WITH GUSTS BY 17/2300 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SECTOR N 5/6 WITH
GUSTS BY 17/1800 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS POOR TO
MODERATE OCNL GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: NW 8 WITH GUSTS BACK
W 7 WITH GUSTS BY 17/1500 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
E OF 30 - S OF 55S: SECTOR N 6/7 GUST WITH 8 INTENSITY BACK SECTOR S 7/6 WITH
GUSTS BY 17/0900 PROB OF SNOW FALL VIS POOR OCNL VERY POOR
W OF 30 - N OF 55S: SECTOR W 8 WITH GUSTS BACK SW 7 WITH GUSTS BY 17/0900 PROB
OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 8/7 WITH GUSTS DECR 6 BY 17/0900 PROB OF SNOW FALL
VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 7/6 GUST WITH 8
INTENSITY PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR TO MODERATE
W OF 50 - N OF 55S: SECTOR S 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 17/0600 VEER
SECTOR W BY 17/1500 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR OCNL
MODERATE
REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY VEER W BY 17/1500 PROB OF RAIN
AND SNOW MIXTURE VIS POOR OCNL VERY POOR TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 GUST WITH 8 INTENSITY VEER
SECTOR N 4 BY 17/2100 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS
POOR OCNL VERY POOR TO MODERATE
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