1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-15, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 327: LOW 987HPA AT 51S 45 W MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 45S-60S 40W-50W UNTIL 15/1200
WARNING 326: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 WITH GUST
BETWEEN 55S-60S AND 50W-60W UNTIL 15/0900
WARNING 325: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 WITH GUST IN
DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN 55S-60S AND 30W-60W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
141400 UTC 1.SEA ICE LIMIT 5928S 02000W 5800S 02618W 5901S 03217W 5920S 03757W
5957S 04316W 6147S 04814W 6202S 05247W 6237S 05654W 6340S 06033W 6413S 06336W
6607S 06559W 6642S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6206S 05308W 21X12NM
A81 6114S 05254W 28X25NM A76C 5234S 03129W 16X6NM D33C 6323S 05300W 9X4NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6232S 05310W 6X3NM ICEBERG2 6316S 05255W
5X2NM ICEBERG3 6305S 05307W 4X3NM ICEBERG4 6251S 05313W 2X1NM ICEBERG5 5954S
03614W 4X2NM 4.ICEBERGS AREA A6000S 02000W 4300S 02000W 5000S 03400W 5900S
03500W B5900S 03500W 5000S 03400W 5600S 04800W 6150S 04800W C6150S 04800W 5800S
04800W 6300S 06716W 6700S 06716W
LOW 987HPA 51S 46W MOV E WKN EXP 55S 25W BY 15/1500 EXTENDS CFNT AT 46S 37W 44S
40W 41S 42W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-16
COASTAL AREAS:
INNER RIO DE LA PLATA: N 4 WITH GUSTS UNSTABLE STARTING EVENING VIS GOOD
OUTER RIO DE LA PLATA: SECTOR S 4/5 BACK SECTOR N BY 14/2100 FOG AND MIST IN
PATCHES DISSIPATING PROB OFISOL RAIN VIS MODERATE.
URUGUAY SOUTH EAST COASTS: NE 4 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): N 4 UNSTABLE TOWARDS THE END OF THE
PERIOD VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 4 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): NW 4/5 WITH GUSTS VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 WITH GUSTS BACK NW WITH
GUSTS BY 15/1500 PROB OF ISOL RAIN DURING THE MORNING VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NW 5 WITH GUSTS PROB OF ISOL RAIN SPELLS OF
GOOD WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): NW 6 WITH GUSTS PROB OF ISOL RAIN SPELLS OF
GOOD WEATHER VIS MODERATE
ISLAS MALVINAS COASTS: NW 5/6 WITH GUSTS PROB OF RAIN STARTING EVENING VIS
MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 6 WITH GUSTS VEER NW WITH
GUSTS BY 15/1800 PROB OF SH RAIN VIS MODERATE OCNL POOR
W OF 30 - E OF 40W: NW 6/7 GUST WITH 8 INTENSITY PROB OF RAIN STARTING EARLY
MORNING VIS MODERATE
REST OF THE AREA: NW 6/5 WITH GUSTS ISOL RAIN SPELLS OF GOOD WEATHER VIS
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 6/7 GUST WITH 8
INTENSITY PROB OF RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 7 GUST WITH 8 INTENSITY BACK SECTOR W GUST WITH 8
INTENSITY BY 15/0900 PROB OF SH RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 8/7 WITH GUSTS VEER
NW 4 BY 15/1800 PROB OF SH IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO
MODERATE
W OF 50 - N OF 45S: SECTOR N 4 VIS GOOD
REST OF THE AREA: SW 6 WITH GUSTS VEER SECTOR N 5 WITH GUSTS BY 15/1200 PROB OF
SH VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 7/6 GUST WITH 8
INTENSITY PROB OF RAIN SNOW FALL VIS POOR TO MODERATE
W OF 30 - N OF 55S: SECTOR N 7/6 WITH GUSTS BACK SW 4 BY 15/1500 PROB OF SH
RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
REST OF THE AREA: SW 10/8 WITH GUSTS PROB OF ISOL SNOW FALL VIS MODERATE TO
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR S 6 WITH GUSTS VEER NW
WITH GUSTS BY 14/0900 PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
REST OF THE AREA: NW 7/8 WITH GUSTS PROB OF SNOW FALL VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 8/7 WITH GUSTS BACK SECTOR S 6 WITH GUSTS
BY 15/2100 PROB OF SNOW FALL VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 15, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
965/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-64S 70W-50W UNTIL 15/1800
966/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 64S-67S 60W-50W FROM 15/1200 UNTIL 16/0600
967/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 63S-68S 50W-30W UNTIL 15/1800
968/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-63S 50W-30W FROM 15/0900 UNTIL 16/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 948HPA 64S 72W MOV SE DPN
RIDGE 60S 55W 62S 56W 64S 57W MOV E WKN
LOW 946HPA 60S 55W 62S 56W 64S 57W MOV E WKN
141400 UTC 1.SEA ICE LIMIT 5928S 02000W 5800S 02618W 5901S 03217W 5920S 03757W 5957S 04316W 6147S 04814W 6202S 05247W 6237S 05654W 6340S 06033W 6413S 06336W 6607S 06559W 6642S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6206S 05308W 21X12NM A81 6114S 05254W 28X25NM A76C 5234S 03129W 16X6NM D33C 6323S 05300W 9X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6232S 05310W 6X3NM ICEBERG2 6316S 05255W 5X2NM ICEBERG3 6305S 05307W 4X3NM ICEBERG4 6251S 05313W 2X1NM ICEBERG5 5954S 03614W 4X2NM 4.ICEBERGS AREA A6000S 02000W 4300S 02000W 5000S 03400W 5900S 03500W B5900S 03500W 5000S 03400W 5600S 04800W 6150S 04800W C6150S 04800W 5800S 04800W 6300S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-16
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY 15/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 5/6 WITH GUSTS VEER NW 8 GUST WITH 9 INTENSITY BY 15/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: SW 5/6 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS BY 15/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/6 WITH GUSTS VEER NW 8 GUST WITH 9 INTENSITY BY 15/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
GERLACHE STRAIT : SE 5/7 WITH GUSTS VEER SECTOR S 4/3 BY 15/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : SE 3/4 BACK NE 4/3 BY 15/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 WITH GUSTS BACK SECTOR S 7/8 GUST WITH 8 INTENSITY BY 15/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/8 WITH GUSTS BACK SW 7/5 WITH GUSTS BY 15/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 WITH GUSTS VEER SW 4/5 BY 15/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 3/4 WITH GUSTS VEER SW 4/3 BY 15/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA N OF 65S: SECTOR W 7/8 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY 15/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 15/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 VEER SE 4/5 WITH GUSTS BY 15/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD=