1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-04-14, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 155: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 50S-60S 40W-50W FROM 14/1500
WARNING 154: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST IN PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS UNTIL 14/1800
WARNING 153: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SECTOR N WITH
GUST BETWEEN 45S-60S AND 50W-60W
WARNING 152: LOW 981HPA AT 59S 27W MOV SE PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 50S-60S AND 20W-30W UNTIL 14/1500
WARNING 151: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS
BETWEEN 55S-60S AND 60W-67W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1011HPA 42S 43W MOV SE DPN EXP 44S 35W BY 15/0000 EXTENDS CFNT AT 40S 42W
37S 43W 35S 45W MOV E
LOW 981HPA 59S 27W MOV NE WKN
HIGH 1017HPA 49S 41W MOV SE INTSF EXP 52S 27W BY 15/0000
STATIONARY FRONT RINCON BAHIA BLANCA COASTS WKN
CFNT AT DRAKE AREA (55S- 60S AND 60W- 67W)
131400 UTC 1.SEA ICE LIMIT 6918S 01950W 6930S 02633W 6707S 03153W 6041S 03421W
6306S 03503W 6228S 04351W 6238S 04957W 6336S 05349W 6258S 05526W 6341S 06153W
6458S 06435W 6600S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5927S 03614W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5125S 03045W 2X1NM ICEBERG2 4640S 02749W
6X3NM ICEBERG3 4950S 03042W 5X3NM ICEBERG4 4657S 02747W 4X2NM ICEBERG5 4656S
02738W 3X1NM ICEBERG6 5857S 03559W 3X1NM ICEBERG7 4303S 03457W 2X1NM 4.ICEBERGS
AREA A7000S 02000W 4600S 02000W 4300S 03500W 7030S 02400W B7030S 02400W 4300S
03500W 6000S 05000W 6300S 05000W C6300S 05000W 6000S 05000W 6400S 06716W 6700S
06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-04-15
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 4 PROB OF MIST VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: NE 4/5 PROB OF MIST VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: NE 4/5 PROB OF MIST VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/5 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 WITH GUSTS PROB OF RAIN
STORMS STARTING EVENING VIS GOOD TO MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 8 BACK SECTOR W 7/6 WITH GUSTS
BY 14/1800 PROB OF ISOL RAIN STARTING EVENING VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 8 BACK SECTOR W 7/6 WITH GUSTS
BY 14/1500 PROB OF ISOL RAIN STARTING EVENING VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 8 BACK SECTOR W 7 WITH GUSTS BY
14/1800 PROB OF RAIN VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 8 BACK SECTOR W 7 WITH GUSTS BY
14/1800 PROB OF RAIN VIS POOR.
ISLAS MALVINAS COASTS: SECTOR N 8 BACK SECTOR W 7 WITH GUSTS BY 14/2100 PROB OF
RAIN VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 6/5 WITH GUSTS BACK SW 5/4
BY 14/2100 PROB OF RAIN VIS MODERATE
REST OF THE AREA: VRB 4/5 LOW PROB OF ISOL RAIN VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR N 5/6 WITH GUSTS PROB
OF RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 5 VEER SECTOR E 5/6 WITH GUSTS BY 14/0900 PROB OF
RAIN VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 5/4 VEER
SECTOR N BY 14/2100 VIS GOOD OCNL MODERATE
W OF 50 - N OF 45S: SECTOR N 6/7 WITH GUSTS VIS MODERATE
E OF 50 - S OF 45S: SECTOR N 4/5 VIS GOOD
REST OF THE AREA: SECTOR N 8 DECR 7 WITH GUSTS BY 14/2100 PROB OF ISOL RAIN
STARTING EVENING VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 8 WITH GUSTS BACK SW
7/6 WITH GUSTS BY 14/1500 VIS MODERATE
REST OF THE AREA: SECTOR W 6/5 VEER SECTOR N 5 BY 14/2100 VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR N 6/7 WITH GUSTS INCR 8
BY 14/1500 PROB OF RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR N 9 WITH GUSTS PROB OF RAIN STARTING EVENING VIS VERY
POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 7 GUST WITH 8 INTENSITY DECR 6 WITH
GUSTS BY 14/0600 BACK SECTOR W 6 WITH GUSTS BY 14/1800 PROB OF RAIN VIS POOR
OCNL VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 14, APRIL 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 STORM WARNING:
511/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING PROVOKES WINDS FORCE 10 FROM SECTOR E WITH GUST IN 66S-69S 70W-67W UNTIL 14/1800
GALE WARNING:
507/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 67S-73S 85W-70W UNTIL 14/1800
508/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E WEAKENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 60S-64S 70W-50W UNTIL 14/0900
509/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 60S-65S 50W-35W UNTIL 14/1500
510/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E WEAKENING WILL PROVOKE WINDS FORCE 8 GUST WITH 9 INTENSITY IN 64S-67S 58W-50W FROM 14/0600 UNTIL 14/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 939HPA 66S 82W MOV SE WKN
LOW 957HPA 62S 68W MOV SE DPN
LOW 968HPA 66S 57W MOV SE DPN
LOW 980HPA 71S 45W MOV SE WKN
RIDGE 60S 37W 63S 35W 65S 34W MOV E WKN
131400 UTC 1.SEA ICE LIMIT 6918S 01950W 6930S 02633W 6707S 03153W 6041S 03421W 6306S 03503W 6228S 04351W 6238S 04957W 6336S 05349W 6258S 05526W 6341S 06153W 6458S 06435W 6600S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5927S 03614W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5125S 03045W 2X1NM ICEBERG2 4640S 02749W 6X3NM ICEBERG3 4950S 03042W 5X3NM ICEBERG4 4657S 02747W 4X2NM ICEBERG5 4656S 02738W 3X1NM ICEBERG6 5857S 03559W 3X1NM ICEBERG7 4303S 03457W 2X1NM 4.ICEBERGS AREA A7000S 02000W 4600S 02000W 4300S 03500W 7030S 02400W B7030S 02400W 4300S 03500W 6000S 05000W 6300S 05000W C6300S 05000W 6000S 05000W 6400S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-04-15
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 9 WITH GUSTS BACK NW 8 GUST WITH 9 INTENSITY BY 14/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 8 GUST WITH 9 INTENSITY DECR NW 7/5 WITH GUSTS BY 14/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 9 WITH GUSTS BACK NW 8 GUST WITH 9 INTENSITY BY 14/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 8 GUST WITH 9 INTENSITY DECR NW 7/5 WITH GUSTS BY 14/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR E 8 WITH GUSTS BACK NW 5/6 WITH GUSTS BY 14/1200 AFTERWARDS NE 6 WITH GUSTS BY 14/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR E 9 WITH GUSTS DECR SECTOR E 8 WITH GUSTS BY 14/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : NW 5/7 WITH GUSTS BACK SW 8 WITH GUSTS BY 14/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/5 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY 14/0600 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 7/8 WITH GUSTS INCR NE 9 WITH GUSTS BY 14/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SE 7/8 WITH GUSTS INCR NE 9 WITH GUSTS BY 14/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: NW 7/8 GUST WITH 9 INTENSITY INCR NW 9 WITH GUSTS BY 14/0600 AFTERWARDS NW 6/5 BY 14/1500 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NE 4/5 WITH GUSTS INCR SECTOR N 6/7 WITH GUSTS BY 14/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 VEER SECTOR E 4 BY 14/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING TOWARDS EARLY MORNING VIS GOOD TO MODERATE OCNL POOR=