1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-10, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 318: LOW 1002HPA AT 39S 39W MOV E WEAKENING EXPECTED 39S 27W BY 11/1200
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST BETWEEN 35S-50S AND 30W-45W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1002HPA 39S 39W MOV E WKN EXP 39S 27W BY 11/1200 EXTENDS CFNT AT 42S 34W 31S
48W MOV E
LOW 998HPA 42S 21W MOV S DPN EXTENDS OFNT AT 46S 22W 41S 27W MOV S
HIGH 1026HPA 48S 69W MOV E INTSF EXP 48S 52W BY 11/1200
CFNT AT 59S 32W 54S 41W MOV E
091400 UTC 1.SEA ICE LIMIT 5859S 02000W 5738S 02617W 5743S 03217W 5842S 03757W
5920S 04317W 6129S 04814W 6221S 05248W 6259S 05655W 6351S 06033W 6411S 06337W
6606S 06559W 6629S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6218S 05326W 21X12NM
A81 6118S 05220W 28X25NM A76C 5242S 03126W 16X6NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 5213S 03139W 2X1NM ICEBERG2 6321S 05311W 9X4NM ICEBERG3 6256S 05312W
6X3NM ICEBERG4 6324S 05307W 5X2NM ICEBERG5 6314S 05301W 4X3NM ICEBERG6 6310S
05253W 2X1NM 4.ICEBERGS AREA A6100S 02000W 4600S 02000W 4600S 03500W 5800S
03500W B5830S 03500W 5300S 03500W 5830S 05000W 6200S 05000W C6200S 05000W 5800S
05300W 6200S 06716W 6800S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/5 WITH GUSTS VEER SECTOR S 4 BY 11/0300 PROB
OF MIST DURING THE MORNING PROB OFISOL RAIN SPELLS OF GOOD WEATHER VIS
MODERATE
OUTER RIO DE LA PLATA: SECTOR E 5 WITH GUSTS VEER SECTOR S 4 BY 11/0600 PROB OF
ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 4 VEER SECTOR S 4 BY 11/0600 PROB OF ISOL
RAIN SPELLS OF GOOD WEATHER VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 5 WITH GUSTS VEER SECTOR S 4 BY
11/0900 PROB OF DRIZZLE DURING THE MORNING NEXT RAIN STARTING EVENING VIS
MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4/5 WITH GUSTS PROB OF MIST
DURING THE MORNING PROB OFINTERMITTENT DRIZZLE VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/5 WITH GUSTS PROB OF SH RAIN
SPELLS OF GOOD WEATHER VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 4 VEER SECTOR N 5 WITH GUSTS BY
11/0900 PROB OF MIST PROB OFINTERMITTENT DRIZZLE VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): VRB 4 VEER SECTOR N 5 WITH GUSTS BY 11/0900
PROB OF MIST PROB OFINTERMITTENT RAIN VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 WITH GUSTS PROB OF ISOL RAIN SNOW
FALL STARTING EARLY MORNING VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: SECTOR W 4/5 WITH GUSTS LOW PROB OF SH OF SNOW DURING THE
MORNING PROB OF MIST STARTING EARLY MORNING VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 8 WITH GUSTS BACK SECTOR W
7/6 WITH GUSTS PROB OF ISOL SH RAIN VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 7/5 WITH GUSTS PROB OF SH SPELLS OF GOOD WEATHER VIS
POOR TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) S OF 45S: SECTOR N 7/8 WITH GUSTS BACK
SECTOR W PROB OF HVY RAIN NXT PROB OF RAIN AND SNOW MIXTURE STARTING EARLY
MORNING VIS POOR
REST OF THE AREA: SECTOR N 8 WITH GUSTS BACK SECTOR E 7/6 WITH GUSTS PROB OF SH
RAIN VIS POOR OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR W 7/6 WITH GUSTS PROB OF ISOL
RAIN NXT PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS MODERATE OCNL
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 6/7 GUST WITH 8
INTENSITY PROB OF HVY RAIN SNOW FALL STARTING NIGTH VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) S OF 55S: SECTOR W 7/6 WITH GUSTS PROB
OF SH OF SNOW SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS LOW PROB OF ISOL RAIN VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 WITH GUSTS PROB OF SCT RAIN AND
SNOW MIXTURE NXT PROB OF SNOW FALL STARTING EARLY MORNING VIS MODERATE OCNL
POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 10, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
941/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-65S 90W-70W UNTIL 10/2100
942/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST VEER NW IN 60S-64S 70W-50W UNTIL 10/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 973HPA 67S 85W MOV SE DPN
LOW 974HPA 66S 35W MOV SE DPN
LOW 976HPA 70S 63W MOV SE DPN
RIDGE 60S 50W 65S 50W 69S 50W MOV E WKN
091400 UTC 1.SEA ICE LIMIT 5859S 02000W 5738S 02617W 5743S 03217W 5842S 03757W 5920S 04317W 6129S 04814W 6221S 05248W 6259S 05655W 6351S 06033W 6411S 06337W 6606S 06559W 6629S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6218S 05326W 21X12NM A81 6118S 05220W 28X25NM A76C 5242S 03126W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5213S 03139W 2X1NM ICEBERG2 6321S 05311W 9X4NM ICEBERG3 6256S 05312W 6X3NM ICEBERG4 6324S 05307W 5X2NM ICEBERG5 6314S 05301W 4X3NM ICEBERG6 6310S 05253W 2X1NM 4.ICEBERGS AREA A6100S 02000W 4600S 02000W 4600S 03500W 5800S 03500W B5830S 03500W 5300S 03500W 5830S 05000W 6200S 05000W C6200S 05000W 5800S 05300W 6200S 06716W 6800S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-11
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7/8 WITH GUSTS DECR NW 7/5 WITH GUSTS BY 10/1800 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: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 WITH GUSTS BY 11/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 7/8 WITH GUSTS DECR NW 7/5 WITH GUSTS BY 10/1800 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: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 WITH GUSTS BY 11/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE
GERLACHE STRAIT : NE 3/4 BACK NW 4/5 BY 11/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 5 WITH GUSTS BACK NW 7/5 BY 11/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 VEER NW 5/4 BY 11/0000 PROB OF MIST VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/8 WITH GUSTS BACK SECTOR W 7/5 BY 10/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 7 BY 10/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 3/4 VEER SECTOR E 3/4 BY 10/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA N OF 65S: SECTOR W 5/7 WITH GUSTS BACK SW 5/4 BY 10/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 VEER SECTOR N 4/5 BY 11/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/4 WITH GUSTS BACK SECTOR E 5 BY 11/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE=