1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-13, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 321: STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 WITH GUST
BETWEEN 45S-55S 20W-40W FROM 13/1800
WARNING 320: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR N
WITH GUST IN PENINSULA DE VALDES COASTS FROM 13/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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 1005HPA 48S 67W MOV SE DPN EXP 50S 60W BY 13/2300
HIGH 1026HPA 44S 41W NC
CFNT AT 58S 48W 55S 55W 53S 63W MOV NE
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4 PROB OF MIST VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR N 4/5 PROB OF MIST VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 4/5 PROB OF MIST VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4/5 WITH GUSTS PROB OF MIST VIS
GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 WITH GUSTS INCR 6/7 WITH
GUSTS BY 13/1200 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 7 WITH GUSTS INCR 8 BY 13/0900
DECR 6 BY 13/2100 VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 6 WITH GUSTS BACK SECTOR W 5/4
BY 13/1800 PROB OF RAIN VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR E 6/7 WITH GUSTS VEER SECTOR S 6
WITH GUSTS BY 13/2100 PROB OF RAIN VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 6 WITH GUSTS LOW PROB OF RAIN AND
SNOW MIXTURE VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR E 6/7 WITH GUSTS VEER SECTOR S 6 WITH GUSTS BY
13/2100 PROB OF RAIN VIS VERY POOR TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SE 5/6 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR E 4 BACK SECTOR N 4/5 BY 13/1200 PROB OF RAIN DURING
THE EARLY MORNING VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 4 VEER SECTOR W 5/6
WITH GUSTS LOW PROB OF RAIN VIS MODERATE
E OF 30 - S OF 45S: SW 5 VEER NW 8 BY 13/2100 PROB OF RAIN STARTING NIGTH VIS
MODERATE TO POOR
REST OF THE AREA: SECTOR S 4/5 VEER SECTOR N 6 BY 13/1200 INCR 8 WITH GUSTS BY
13/1800 PROB OF RAIN VIS VERY POOR TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 5/6 WITH GUSTS PROB
OF RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: N 6/7 WITH GUSTS PROB OF RAIN VIS MODERATE TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: NW 5/6 WITH GUSTS
INCR 8 BY 13/2100 PROB OF RAIN STARTING NIGTH VIS MODERATE TO POOR
W OF 30 - N OF 55S: NW 6 WITH GUSTS INCR 8 BY 13/1800 BACK SW 5 BY 13/2300 PROB
OF RAIN STARTING EVENING VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: SW 5 VEER NW 8 BY 13/2100 PROB OF RAIN STARTING NIGTH VIS
MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR S 6 WITH GUSTS BACK
SECTOR E BY 13/1800 PROB OF RAIN STARTING EVENING VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 7/6 WITH GUSTS VEER SECTOR W BY 13/1800 VIS
MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 5 WITH GUSTS VEER SECTOR N 5/6 BY
13/1500 VIS GOOD OCNL MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 13, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
948/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 WITH GUST IN 62S-68S 90W-70W UNTIL 14/0000
949/2026 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 13/1200 UNTIL 14/1500
950/2026 STRONG BARIC GRADIENT GERLACHE STRAIT GERLACHE STRAIT MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 64S-68S 70W-65W FROM 13/1200 UNTIL 14/0300
951/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 64S-67S 60W-50W FROM 13/1500 UNTIL 14/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 972HPA 72S 74W MOV SE DPN
LOW 994HPA 61S 45W MOV SE DPN
LOW 1002HPA 61S 59W MOV E DPN
RIDGE 60S 80W 62S 72W 65S 67W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER SECTOR W 5/6 BY 13/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 13/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER SECTOR W 5/6 BY 13/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 4/5 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 13/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 4/5 BACK NW 7 GUST WITH 8 INTENSITY BY 13/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
MARGARITA BAY : NE 3/4 BACK SECTOR N 7/8 WITH GUSTS BY 13/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : SECTOR N 4/5 BACK NW 7/8 BY 13/1800 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 6/7 GUST WITH 8 INTENSITY INCR NW 9 WITH GUSTS BY 13/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 8 WITH GUSTS BACK SECTOR W 7/5 BY 13/0600 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 4/5 WITH GUSTS BACK SW 5/4 WITH GUSTS BY 13/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA N OF 65S: SW 3/4 WITH GUSTS BACK SECTOR S 4/5 WITH GUSTS BY 13/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 WITH GUSTS VEER SECTOR W 4/3 BY 13/1200 PROB OF MIST VIS GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5/4 WITH GUSTS BACK SE 4/3 BY 13/1200 PROB OF FOG PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE=