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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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 16, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
803/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 63S-65S 59W-53W UNTIL 16/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 949HPA 67S 32W MOV SE WKN
LOW 987HPA 62S 60W MOV E WKN
RIDGE 60S 80W 65S 78W 68S 77W MOV E INTSF
151400 UTC 1.SEA ICE LIMIT 5954S 02000W 5757S 02617W 5819S 03217W 5844S 03757W 5938S 04316W 5936S 04814W 6220S 05247W 6254S 05655W 6333S 06033W 6409S 06336W 6521S 06559W 6603S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5352S 03159W 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 A6011S 02000W 4300S 02000W 4215S 02850W 5745S 02800W B5745S 02800W 4915S 02850W 5307S 03845W 5915S 04200W C5915S 04200W 5307S 03845W 6558S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-17
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/7 VEER SECTOR W 5/6 WITH GUSTS BY 16/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 6/7 WITH GUSTS VEER SW 5/6 WITH GUSTS BY 17/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 5/7 VEER SECTOR W 5/6 WITH GUSTS BY 16/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 6/7 WITH GUSTS VEER SW 5/6 WITH GUSTS BY 17/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/5 BY 17/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MARGARITA BAY : SECTOR E 3/4 BACK NE 4/5 BY 17/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 8 WITH GUSTS BACK SECTOR S 6/4 BY 17/0600 PROB OF FOG AND MIST IN PATCHES BLIZZARD SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 VEER NW 5/6 BY 16/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER NW 5/4 BY 16/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 4/3 VEER SE 5/6 BY 17/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 65S: SECTOR S 5/6 WITH GUSTS VEER SW 7 WITH GUSTS BY 17/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 5/6 VEER SW 7 WITH GUSTS BY 16/1800 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK NE 4/5 BY 17/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD=