1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-13, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 322: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
S WITH GUST BETWEEN 50S-60S 20W-40W FROM 13/1500
WARNING 321: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 WITH GUST
BETWEEN 45S-55S AND 20W-40W FROM 13/1500
WARNING 320: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST IN PENINSULA DE VALDES COASTS UNTIL 13/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
121400 UTC 1.SEA ICE LIMIT 5910S 02000W 5744S 02618W 5837S 03217W 5927S 03758W
5950S 04317W 6214S 04813W 6309S 05247W 6308S 05655W 6246S 06032W 6412S 06337W
6615S 06559W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6216S 05328W 21X12NM
A81 6113S 05219W 28X25NM A76C 5223S 03133W 16X6NM D33C 6321S 05304W 9X4NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5226S 03138W 2X1NM ICEBERG2 6240S 05321W
6X3NM ICEBERG3 6315S 05257W 5X2NM ICEBERG4 6304S 05304W 4X3NM ICEBERG5 6259S
05254W 2X1NM ICEBERG6 5954S 03614W 4X2NM 4.ICEBERGS AREA A6000S 02000W 4300S
02000W 5000S 03300W 6000S 03400W B6000S 03400W 5000S 03300W 6020S 05000W 6300S
04900W C6300S 04900W 6020S 05000W 6200S 06716W 6800S 06716W
LOW 1002HPA 46S 66W MOV SE DPN EXP 50S 56W BY 14/1200
HIGH 1027HPA 42S 40W MOV N EXP 35S 40W BY 14/1200
LOW 987HPA 46S 66W MOV SE DPN EXTENDS CFNT AT 46S 66W 53S 46W 50S 57W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 MIST DISSIPATING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3/4 MIST DISSIPATING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3 VEER SECTOR N 3/4 MIST FOG PATCHES
DISSIPATING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/5 WITH GUSTS MIST DISSIPATING
VIS MODERATE OCNL GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS DECR 5/4 VIS
GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 8/5 WITH GUSTS BACK SECTOR W
4/3 PROB OF ISOL RAIN IMPR TOWARDS NIGTH VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS BACK SECTOR W 4/6
WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR E 6 WITH GUSTS BACK SECTOR S 5 PROB
OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR E 6 WITH GUSTS BACK SECTOR S 5/3 PROB
OF ISOL RAIN RAIN AND SNOW MIXTURE TOWARDS THE END OF THE PERIOD VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR E 6 GUST WITH 8 INTENSITY BACK SECTOR S 6 WITH
GUSTS PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL
POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 6/5 WITH GUSTS PROB OF
ISOL SH RAIN VIS MODERATE
REST OF THE AREA: SECTOR N 4/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 3 VEER SECTOR S 5/6
WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
REST OF THE AREA: SECTOR W 5 VEER NW 6/8 WITH GUSTS BACK SECTOR S 5/4 WITH
GUSTS PROB OF RAIN RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR OCNL
VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 5/6 WITH GUSTS PROB OF HVY
RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 6/8 WITH GUSTS BACK SECTOR
S 6/8 WITH GUSTS PROB OF SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY
POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR S 6/8 WITH GUSTS PROB OF
SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: NW 6 WITH GUSTS BACK
SECTOR S 6/3 WITH GUSTS VEER SECTOR N 3/6 WITH GUSTS PROB OF RAIN SNOW FALL
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
W OF 50 - N OF 55S: SECTOR S 6 WITH GUSTS BACK SECTOR E 6/5 WITH GUSTS PROB OF
RAIN VIS MODERATE
REST OF THE AREA: SECTOR S 6 WITH GUSTS VEER SECTOR W GUST WITH 8 INTENSITY
PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/6 GUST WITH 8 INTENSITY PROB OF
SNOW FALL TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
952/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 WITH GUST IN 62S-66S 90W-70W UNTIL 14/0000
953/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-64S 70W-50W FROM 13/1500 UNTIL 14/1500
954/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 64S-68S 70W-65W UNTIL 14/0300
955/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 64S-67S 60W-50W FROM 13/1500 UNTIL 14/0600
956/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 61S-67S 50W-35W FROM 13/2100 UNTIL 14/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 977HPA 67S 78W MOV SE DPN
LOW 986HPA 60S 35W MOV SE DPN
RIDGE 60S 52W 64S 57W 72S 56W MOV E INTSF
121400 UTC 1.SEA ICE LIMIT 5910S 02000W 5744S 02618W 5837S 03217W 5927S 03758W 5950S 04317W 6214S 04813W 6309S 05247W 6308S 05655W 6246S 06032W 6412S 06337W 6615S 06559W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6216S 05328W 21X12NM A81 6113S 05219W 28X25NM A76C 5223S 03133W 16X6NM D33C 6321S 05304W 9X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5226S 03138W 2X1NM ICEBERG2 6240S 05321W 6X3NM ICEBERG3 6315S 05257W 5X2NM ICEBERG4 6304S 05304W 4X3NM ICEBERG5 6259S 05254W 2X1NM ICEBERG6 5954S 03614W 4X2NM 4.ICEBERGS AREA A6000S 02000W 4300S 02000W 5000S 03300W 6000S 03400W B6000S 03400W 5000S 03300W 6020S 05000W 6300S 04900W C6300S 04900W 6020S 05000W 6200S 06716W 6800S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 9 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 9 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 9 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NW 7/8 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 14/0000 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
MARGARITA BAY : NE 5/7 GUST WITH 8 INTENSITY BACK SECTOR N 5/4 BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SW 4/5 VEER NW 7/8 WITH GUSTS BY 13/2100 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/8 GUST WITH 9 INTENSITY INCR NW 9 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 5/6 WITH GUSTS VEER SW 7 WITH GUSTS BY 13/2100 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 W 5/6 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 14/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: SECTOR S 4/5 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 VEER NE 7/8 WITH GUSTS BY 14/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 4/3 BY 13/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR=