1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-09-13, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 420: STRONG BARIC GRADIENT MOV NE PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W)
WARNING 419: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S
WITH GUST IN NORTH AREA (35S- 40S AND 20W- 55W) EASTHERN OF 30
PART 2 GENERAL SYNOPSIS AT 21:00UTC
121400 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 5714S 04647W 28X25NM
D33B 5846S 04902W 21X12NM A76C 5409S 02619W 17X6NM 3.ICEBERGS SMALLER THAN 10NM
D32 5746S 03909W 9X6NM D33C 6152S 05420W 9X5NM ICEBERG1 5845S 04724W 5X3NM
ICEBERG2 6014S 05224W 5X3NM ICEBERG3 5844S 05105W 6X4NM ICEBERG4 6012S 05130W
2X1NM ICEBERG5 5844S 05130W 2X1NM 4.ICEBERGS AREA A5700S 02000W 4900S 02000W
5600S 05000W 6030S 05000W 5000S 04000W B5600S 05000W 6030S 05000W 6500S 06400W
6100S 06716W
FRONTAL WAVE DRAKE AREA (55S- 60S AND 60W- 67W) MOV NE DPN
LOW 994HPA 38S 21W MOV SE DPN EXTENDS CFNT AT
STRONG BARIC GRADIENT DRAKE AREA (55S- 60S AND 60W- 67W) FIN DEL MUNDO COASTS
SOUTH PATAGONIA COASTS ISLAS MALVINAS COASTS MOV NE
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 5/4 WITH GUSTS PROB OF ISOL DRIZZLE RAIN IMPR VIS GOOD
OCNL MODERATE
OUTER RIO DE LA PLATA: SE 5/4 WITH GUSTS PROB OF ISOL DRIZZLE RAIN IMPR VIS GOOD
OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SE 5/4 WITH GUSTS PROB OF ISOL DRIZZLE RAIN IMPR VIS
GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 5 WITH GUSTS DECR 3 BACK E PROB OF
ISOL DRIZZLE RAIN IMPR VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4/3 BACK SECTOR N 4/5 WITH
GUSTS PROB OF ISOL DRIZZLE RAIN IMPR VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 4 INCR 5/6 WITH GUSTS VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: NW 5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR W 6/7 WITH GUSTS
DECR 5 WITH GUSTS WORSENING WITH PROB OF RAIN VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): W 6/7 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS
PROB OF RAIN SNOW FALL VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR W 5/7 WITH GUSTS DECR 5 WITH GUSTS WORSENING WITH
PROB OF ISOL RAIN VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 8 WITH GUSTS DECR VEER SW
5 PROB OF ISOL SH RAIN VIS POOR TO MODERATE
W OF 40W: SECTOR S 5/4 WITH GUSTS PROB OF ISOL SH RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS PROB OF ISOL SH RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: S 6/5 WITH GUSTS VEER SW 5/6
WITH GUSTS PROB OF ISOL SH RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SW 6/7 WITH GUSTS DECR 6 WITH GUSTS PROB OF ISOL SH RAIN VIS
MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SW 5 WITH GUSTS VEER W 5/6
WITH GUSTS PROB OF ISOL SH VIS GOOD OCNL MODERATE
REST OF THE AREA: SW 6/7 WITH GUSTS VEER W 7/8 WITH GUSTS PROB OF ISOL SH VIS
MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55 - W OF 30W: SW 7 WITH GUSTS DECR
VEER SECTOR N 4/5 PROB OF ISOL RAIN NXT RAIN SNOW FALL VIS MODERATE OCNL POOR
S OF 55 - W OF 30W: SECTOR S 4 BACK SECTOR E 4/5 UNSTABLE WORSENING TOWARDS THE
END OF THE PERIOD VIS GOOD OCNL MODERATE
REST OF THE AREA: SW 7/5 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE TO GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - S OF 55S: SW 6 WITH GUSTS DECR
4 VEER SECTOR E 4/8 WITH GUSTS WORSENING WITH PROB OF RAIN SNOW FALL VIS
MODERATE TO POOR OCNL VERY POOR
W OF 50 - S OF 55S: VRB 4/6 WITH GUSTS VEER VRB 6 WITH GUSTS BACK SW 8/7 WITH
GUSTS PROB OF RAIN SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 7/8 WITH GUSTS PROB OF SH RAIN VIS MODERATE TO
POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS BACK SECTOR S 5 WITH
GUSTS PROB OF ISOL RAIN SNOW FALL VIS POOR TO MODERATE
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 13, SEPTEMBER 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 995HPA 60S 62W MOV E DPN
HIGH 1002HPA 67S 50W MOV NE INTSF
RIDGE 65S 90W 63S 80W 62S 75W MOV E INTSF
121400 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 5714S 04647W 28X25NM D33B 5846S 04902W 21X12NM A76C 5409S 02619W 17X6NM 3.ICEBERGS SMALLER THAN 10NM D32 5746S 03909W 9X6NM D33C 6152S 05420W 9X5NM ICEBERG1 5845S 04724W 5X3NM ICEBERG2 6014S 05224W 5X3NM ICEBERG3 5844S 05105W 6X4NM ICEBERG4 6012S 05130W 2X1NM ICEBERG5 5844S 05130W 2X1NM 4.ICEBERGS AREA A5700S 02000W 4900S 02000W 5600S 05000W 6030S 05000W 5000S 04000W B5600S 05000W 6030S 05000W 6500S 06400W 6100S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-09-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 3/4 BACK SW 5/6 WITH GUSTS BY 13/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 3/4 VEER SECTOR E 4/5 BY 13/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 BACK SW 5/6 WITH GUSTS BY 13/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 3/4 VEER SECTOR E 4/5 BY 13/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SE 3/4 BACK NE 4 BY 13/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 3/4 BACK SECTOR N 3 BY 13/1500 PROB OF MIST VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 BACK SECTOR S 6/7 BY 13/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR S 4/5 VEER SW 5/6 BY 13/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 INCR SW 6 BY 13/1800 PROB OF MIST VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 INCR SW 5/7 WITH GUSTS BY 13/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 3/4 VEER SW 4/5 BY 13/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER SECTOR W 3/4 BY 13/1500 PROB OF FOG AND MIST IN PATCHES IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK NE 4 BY 13/1500 PROB OF MIST VIS MODERATE TO GOOD=