1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-14, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 422: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 40S-50S AND 30W-60W
WARNING 421: LOW 972HPA AT 53S 38W MOV E NOT CHANGE PROVOKES WINDS FORCE 8
AROUND ITSELF WITH GUST BETWEEN 50S-55S AND 30W-45W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 972HPA 53S 38W MOV E NC EXTENDS CFNT MOV E ASOCIATED WITH OFNT AT 53S 38W
55S 41W 52S 42W
LOW 996HPA 49S 54W MOV NE NC EXP 47S 31W BY 15/1200 EXTENDS CFNT AT 49S 54W 46S
62W 45S 65W MOV NE
HIGH 1026HPA 35S 45W MOV NE NC
STRONG BARIC GRADIENT 40S 50W 20S 60W NC
131400 UTC 1.SEA ICE LIMIT 5545S 02000W 5412S 02618W 5547S 03218W 5632S 03758W
5720S 04317W 5923S 04813W 6002S 05247W 6126S 05654W 6005S 06032W 6010S 06337W
6026S 06559W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5718S 0428W 28X25NM
D33B 5858S 04823W 21X12NM A76C 5415S 02618W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D32 5738S 03903W 9X6NM D33C 6157S 05414W 9X5NM ICEBERG1 5825S 04743W 5X3NM
ICEBERG2 6011S 05211W 5X3NM ICEBERG3 5830S 05039W 4X3NM ICEBERG4 6008S 05035W
2X1NM ICEBERG5 5831S 05046W 3X1NM 4.ICEBERGS AREA A5616S 02000W 4901S 02000W
5200S 04009W 5820S 04000W B5820S 04000W 5317S 03933W 5903S 06716W 6145S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-09-15
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 4/5 VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR W 4/5 VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR W 4/5 VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 6 WITH GUSTS BACK SECTOR S
BY 15/0000 WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 6/7 WITH GUSTS BACK SECTOR S
BY 14/1800 LOW PROB OF ISOL RAIN STARTING NIGTH VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 6/7 WITH GUSTS BACK SECTOR S BY
14/1800 PROB OF RAIN SNOW FALL STARTING EVENING VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 6/5 WITH GUSTS RAIN AND SNOW
MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 6 WITH GUSTS RAIN AND SNOW MIXTURE
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 6 WITH GUSTS RAIN AND SNOW MIXTURE SPELLS OF
GOOD WEATHER VIS MODERATE OCNL POOR.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W): SECTOR W 6/7 WITH GUSTS PROB OF SH RAIN VIS
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS INCR 8 BY
14/2100 PROB OF RAIN AND SNOW MIXTURE VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 8 WITH GUSTS BACK SECTOR S 7
WITH GUSTS BY 15/0000 RAIN AND SNOW MIXTURE VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) W OF 35 - N OF 55S: SECTOR W 8 WITH
GUSTS BACK SECTOR S 7 WITH GUSTS BY 15/0000 RAIN AND SNOW MIXTURE VIS POOR TO
MODERATE
E OF 35 - N OF 55S: SECTOR N 5/6 WITH GUSTS BACK SECTOR S BY 15/0000 RAIN AND
SNOW MIXTURE VIS MODERATE
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SECTOR W BY 15/0600 VIS
MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) W OF 45 - N OF 55S: SECTOR S 6 WITH
GUSTS RAIN AND SNOW MIXTURE VIS MODERATE
E OF 45 - N OF 55S: SECTOR W 8 WITH GUSTS BACK SECTOR S 6 WITH GUSTS BY 14/1800
PROB OF ISOL RAIN STARTING NIGTH IMPR VIS POOR TO MODERATE
REST OF THE AREA: SECTOR S 5/6 VEER SECTOR W 5 WITH GUSTS BY 15/0000 PROB OF
RAIN AND SNOW MIXTURE STARTING NIGTH VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 5/7 WITH GUSTS PROB OF RAIN AND
SNOW MIXTURE DURING THE EVENING VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 14, SEPTEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1140/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 67S-71S 50W-38W UNTIL 14/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 987HPA 71S 50W MOV E DPN
LOW 999HPA 63S 61W MOV E WKN
RIDGE 64S 90W 63S 80W 62S 68W MOV E INTSF
131400 UTC 1.SEA ICE LIMIT 5545S 02000W 5412S 02618W 5547S 03218W 5632S 03758W 5720S 04317W 5923S 04813W 6002S 05247W 6126S 05654W 6005S 06032W 6010S 06337W 6026S 06559W 6117S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5718S 0428W 28X25NM D33B 5858S 04823W 21X12NM A76C 5415S 02618W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D32 5738S 03903W 9X6NM D33C 6157S 05414W 9X5NM ICEBERG1 5825S 04743W 5X3NM ICEBERG2 6011S 05211W 5X3NM ICEBERG3 5830S 05039W 4X3NM ICEBERG4 6008S 05035W 2X1NM ICEBERG5 5831S 05046W 3X1NM 4.ICEBERGS AREA A5616S 02000W 4901S 02000W 5200S 04009W 5820S 04000W B5820S 04000W 5317S 03933W 5903S 06716W 6145S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-15
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 3/4 VEER SW 5/7 WITH GUSTS BY 14/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT : SECTOR S 4/5 VEER SECTOR W 5/7 WITH GUSTS BY 13/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 VEER SW 5/7 WITH GUSTS BY 14/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 4/5 VEER SECTOR W 5/7 WITH GUSTS BY 14/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : SW 3/4 BACK SECTOR S 4/5 BY 14/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NW 3/4 VEER SECTOR N 5 BY 14/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : NW 4/5 BACK SW 6/7 WITH GUSTS BY 14/1200 PROB OF MIST COASTAL BLIZZARD IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 5/6 WITH GUSTS VEER SECTOR W 7 BY 14/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 5/6 VEER SECTOR W 7 GUST WITH 8 INTENSITY BY 14/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 5/6 VEER SECTOR W 7 GUST WITH 8 INTENSITY BY 14/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SW 3/4 VEER SECTOR W 5/6 BY 14/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 5/6 INCR SECTOR W 7/8 WITH GUSTS BY 14/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK NE 5/7 WITH GUSTS BY 14/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE TO VERY POOR=