1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 19, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
805/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST VEER NE IN 63S-68S 90W-80W UNTIL 19/1200
806/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 68S-73S 90W-70W UNTIL 19/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 975HPA 68S 89W MOV E DPN
HIGH 998HPA 67S 55W MOV E INTSF
181400 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 5340S 03142W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4925S 02347W 4X1NM ICEBERG2 6145S 05555W 2X1NM 4.ICEBERGS AREA A6102S 02000W 4500S 02000W 4300S 03400W 5900S 03500W B5900S 03500W 5400S 03700W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W 6500S 06716W 6723S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-20
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 4/5 BACK NW 5/6 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/5 BACK SE 4/5 WITH GUSTS BY 19/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 4/5 BACK NW 5/6 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/5 BACK SE 4/5 WITH GUSTS BY 19/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/5 BY 19/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MARGARITA BAY : SECTOR E 3/4 BACK NE 5/6 WITH GUSTS BY 19/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 3/4 VEER NW 4/5 BY 19/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 5/6 BACK NW 7 WITH GUSTS BY 18/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 4/5 BACK SECTOR N 7/8 BY 18/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 VEER SECTOR E 6/7 WITH GUSTS BY 19/0000 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 N OF 65S: SW 4/3 BACK NE 4/5 BY 19/0300 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: SW 4/5 VEER SECTOR W 4 BY 19/0000 PROB OF MIST VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 VEER SE 4/3 BY 18/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-19, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 270: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 35S-40S 40W-50W FROM 19/0600
WARNING 269: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 WITH GUST BETWEEN
40S-50S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
181400 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 5340S 03142W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4925S 02347W 4X1NM ICEBERG2 6145S 05555W
2X1NM 4.ICEBERGS AREA A6102S 02000W 4500S 02000W 4300S 03400W 5900S 03500W
B5900S 03500W 5400S 03700W 6000S 05500W 6212S 05500W C6100S 05500W 6100S 05900W
6500S 06716W 6723S 06716W
LOW 988HPA 51S 52W MOV E DPN EXP 53S 37W BY 19/1800 EXTENDS CFNT AT RINCON BAHIA
BLANCA COASTS 47S 52W 44S 54W
HIGH 1031HPA 36S 37W MOV E NC
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-20
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4 BACK SW 5/4 WITH GUSTS RAIN IMPR DRIZZLE STARTING
EARLY MORNING VIS MODERATE OCNL POOR TO GOOD
OUTER RIO DE LA PLATA: NE 4 BACK SW 5/4 WITH GUSTS RAIN IMPR STARTING EARLY
MORNING VIS MODERATE OCNL POOR TO GOOD
URUGUAY SOUTH EAST COASTS: N 4 VEER E 5 BACK SW 5/6 WITH GUSTS RAIN IMPR
STARTING EVENING VIS MODERATE OCNL POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): N 4 BACK SW 6/5 WITH GUSTS IMPR STARTING
EARLY MORNING VIS MODERATE OCNL POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 4/5 WITH GUSTS DECR 4 UNSTABLE VIS
GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SW 5 WITH GUSTS DECR 4 VEER SECTOR N
4/5 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 5 WITH GUSTS DECR 4 VEER SECTOR N 4/5
UNSTABLE TOWARDS THE END OF THE PERIOD VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SW 6 WITH GUSTS DECR 4 VEER NE 4/6 WITH
GUSTS UNSTABLE TOWARDS THE END OF THE PERIOD VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SW 5 WITH GUSTS DECR 3 VEER SECTOR N 5 WITH
GUSTS PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SECTOR S 5 WITH GUSTS DECR 4/3 PROB OF DRIZZLE RAIN IMPR
STARTING EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 7/6 GUST WITH 8 INTENSITY
DECR VRB 3 BY 19/1500 PROB OF SH IMPR STARTING EARLY MORNING VIS POOR TO
MODERATE
W OF 30 - E OF 40W: SECTOR N 5/7 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END
OF THE PERIOD VIS MODERATE TO POOR
W OF 40 - E OF 50W: SECTOR N 7/8 WITH GUSTS PROB OF HVY SH RAIN STARTING EARLY
MORNING VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SW 5/6 WITH GUSTS PROB OF SH RAIN
VIS POOR TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR S 5 WITH
GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY 19/1200 PROB OF SH VIS MODERATE TO
POOR
E OF 30 - S OF 45S: NW 7/8 WITH GUSTS PROB OF SH RAIN VIS VERY POOR TO POOR
REST OF THE AREA: NW 7/8 WITH GUSTS PROB OF RAIN VIS VERY POOR TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: NW 8 WITH GUSTS BACK SW 6
WITH GUSTS BY 19/1200 PROB OF SH RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SW 6/5 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS POOR
TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR W 6 WITH
GUSTS VEER NW 8 WITH GUSTS BY 19/1500 PROB OF RAIN SNOW FALL VIS VERY POOR TO
POOR
W OF 30 - N OF 55S: SECTOR W 6 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY
19/1200 PROB OF SH RAIN RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
E OF 30 - S OF 55S: SW 6/5 WITH GUSTS PROB OF SH OF SNOW VIS POOR TO MODERATE
REST OF THE AREA: SECTOR E 5/6 WITH GUSTS PROB OF SH OF SNOW VIS MODERATE OCNL
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR N 5 WITH GUSTS BACK
SECTOR S 5/6 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR S 6 WITH GUSTS PROB OF SH OF SNOW VIS POOR TO
MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 5 WITH GUSTS VEER SECTOR N WITH
GUSTS BY 19/1500 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE
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