1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 25, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
839/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-70S 90W-70W UNTIL 25/2100
840/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-67S 60W-50W UNTIL 25/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 944HPA 70S 90W MOV SE DPN EXTENDS CFNT AT 70S 90W 65S 85W 62S 88W MOV E
LOW 987HPA 64S 57W MOV SE DPN
RIDGE 70S 35W 65S 39W 60S 43W MOV E DPN
241400 UTC 1.SEA ICE LIMIT 5920S 02000W 5707S 02618W 5831S 03217W 5804S 03757W 5852S 04316W 5921S 04814W 6157S 05247W 6221S 05654W 6232S 06033W 6415S 06336W 6551S 06611W 6605S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5303S 03220W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 5330S 03213W 3X1NM 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-06-26
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 3/4 BACK SECTOR N 5/7 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/6 VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 25/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NE 3/4 BACK SECTOR N 5/7 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/6 VEER SECTOR N 7 GUST WITH 8 INTENSITY BY 25/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
GERLACHE STRAIT : NE 5/6 VEER SECTOR E 7/8 WITH GUSTS BY 26/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
MARGARITA BAY : SECTOR N 7 GUST WITH 8 INTENSITY VEER NE 8 WITH GUSTS BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 VEER NW 7/8 BY 26/0000 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 7/8 WITH GUSTS BACK SW 7/8 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL VERY POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 7/8 WITH GUSTS BACK SECTOR W 8/7 WITH GUSTS BY 25/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS BACK SECTOR N 8 WITH GUSTS BY 25/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: SECTOR N 5/7 WITH GUSTS BACK NW 7/5 WITH GUSTS BY 25/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 7/8 WITH GUSTS BACK NW 6/5 BY 25/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE NIGTH VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/3 BACK SECTOR E 3/4 BY 26/0000 VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-25, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 286: LOW 966HPA AT 56S 25W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SW WITH GUST BETWEEN 50S-55S 30W-40W
WARNING 285: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST BETWEEN 50S-60S 50W-60W FROM 25/2100
WARNING 284: LOW 966HPA AT 56S 25W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR S WITH GUST BETWEEN 55S-60S 20 W-40W
WARNING 283: LOW 966HPA AT 56S 25W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 45S-55S AND 20W-30W
WARNING 282: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO
COASTS ISLAS MALVINAS COASTS DRAKE AREA (55S- 60S AND 60W- 67W) FROM 25/1200
WARNING 280: LOW 966HPA AT 56S 25W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
NW WITH GUST BETWEEN 35S-45S AND 20 W-30W UNTIL 25/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 966HPA 56S 25W MOV SE DPN EXTENDS CFNT AT 56S 25W 51S 33W 48S 42W MOV NE
CFNT AT 37S 21W 36S 22W 35S 23W MOV NE
CFNT AT 40S 61W 36S 63W 35S 64W MOV NE
241400 UTC 1.SEA ICE LIMIT 5920S 02000W 5707S 02618W 5831S 03217W 5804S 03757W
5852S 04316W 5921S 04814W 6157S 05247W 6221S 05654W 6232S 06033W 6415S 06336W
6551S 06611W 6605S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5303S 03220W 16X6NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4911S 02332W 4X1NM ICEBERG2 5330S 03213W
3X1NM 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 2026-06-26
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 5/6 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 25/0900
BACK SECTOR S 4 BY 25/2100 PROB OF ISOL DRIZZLE RAIN IMPR STARTING EARLY MORNING
VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR W 5/6 WITH GUSTS INCR 6/7 WITH GUSTS BY 25/1500
BACK SW 6 WITH GUSTS BY 25/2100 PROB OF ISOL DRIZZLE RAIN IMPR STARTING EARLY
MORNING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 5 WITH GUSTS VEER NW 6/7 WITH GUSTS BY
25/2100 PROB OF SH RAIN STARTING EVENING VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4 WITH GUSTS VEER SECTOR S 5/6
WITH GUSTS BY 25/1500 PROB OF SH RAIN VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 4 VEER SECTOR S 4/5 WITH GUSTS BY
25/1200 BACK SECTOR N 5 WITH GUSTS BY 25/2100 PROB OF SH RAIN IMPR STARTING
EVENING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/5 WITH GUSTS BACK SECTOR N
5/6 WITH GUSTS BY 25/1200 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS
MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS INCR 7/8 BY
25/1800 VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 4/5 WITH GUSTS INCR 7/8 WITH GUSTS
BY 25/1200 VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 WITH GUSTS INCR 7/8 WITH GUSTS
BY 25/1500 PROB OF ISOL DRIZZLE RAIN STARTING EVENING VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: NW 4 VEER SECTOR N 4/6 WITH GUSTS BY 25/1200 INCR 7/8
WITH GUSTS BY 25/2100 VIS GOOD TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8/7 WITH GUSTS BACK SECTOR W 6/5
WITH GUSTS BY 25/0600 PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS
POOR TO GOOD
E OF 50 - W OF 30W: SECTOR W 4/5 WITH GUSTS PROB OF SH RAIN VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR S 5/6 WITH GUSTS BY 25/2100
PROB OF SH RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 8/7 WITH GUSTS
BACK SECTOR W 6/5 WITH GUSTS BY 25/0600 PROB OF DRIZZLE RAIN IMPR STARTING EARLY
MORNING VIS POOR TO MODERATE
W OF 30 - N OF 45S: SECTOR W 5/6 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS BY
25/1800 PROB OF SH TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
E OF 30 - S OF 45S: SECTOR W 7/8 WITH GUSTS PROB OF SH RAIN VIS POOR
REST OF THE AREA: SW 7/6 GUST WITH 8 INTENSITY UNSTABLE DURING THE MORNING VIS
MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - S OF 45S: SW 6/5 WITH GUSTS
BACK VRB 4/3 BY 25/1800 VIS MODERATE TO GOOD
W OF 50 - S OF 45S: VRB 3/4 BACK SECTOR N 5/6 WITH GUSTS BY 25/1200 PROB OF SH
RAIN IMPR STARTING EARLY MORNING VIS GOOD OCNL MODERATE
REST OF THE AREA: VRB 4 BACK SECTOR E 4/5 BY 25/1200 PROB OF SH RAIN VIS
MODERATE OCNL GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 8 WITH GUSTS PROB OF
ISOL RAIN VIS POOR
REST OF THE AREA: SECTOR S 8/7 WITH GUSTS PROB OF RAIN SNOW FALL VIS POOR OCNL
VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SW 7/6 GUST WITH 8 INTENSITY
DECR 5/4 WITH GUSTS BY 25/0600 VEER NW 5/6 WITH GUSTS BY 25/1500 PROB OF ISOL
RAIN SNOW FALL VIS MODERATE OCNL GOOD
REST OF THE AREA: NW 5/6 WITH GUSTS VEER SECTOR N 7/8 WITH GUSTS BY 25/2100
PROB OF RAIN VIS MODERATE TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 5/6 WITH GUSTS BACK N 7/8 WITH GUSTS BY
25/1500 PROB OF ISOL RAIN SNOW FALL VIS MODERATE TO POOR
-----------------------------------------------------------------
NNNN=