1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-09, 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 996HPA AT 52S 41W WILL PROVOKE WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 40S-50S 40W-50W FROM 10/0600
WARNING 317: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 WITH GUST
BETWEEN 55S-60S AND 20W-30W FROM 09/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 996HPA 52S 41W MOV NE NC EXP 48S 38W BY 10/1200 EXTENDS CFNT AT 54S 38W 47S
40W 38S 57W MOV NE ASOCIATED WITH HIGH 54S 38W 55S 39W 53S 44W
HIGH 1023HPA 44S 66W MOV NE NC EXP 45S 60W BY 10/1200
RIDGE 50S 20W 46S 30W 39S 34W MOV E NC
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 2026-07-10
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 3 BACK SE 3/4 WITH GUSTS UNSTABLE VIS GOOD
OUTER RIO DE LA PLATA: NW 3 BACK SE 3/4 WITH GUSTS UNSTABLE VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3 BACK SECTOR E 3/4 PROB OF MIST FOG PATCHES
STARTING EARLY MORNING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3/4 WITH GUSTS PROB OF DRIZZLE
RAIN VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 5/4 WITH GUSTS PROB OF RAIN
VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/3 WITH GUSTS BACK NE 3 PROB
OF DRIZZLE RAIN VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 BACK SECTOR N 3 PROB OF ISOL RAIN
VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 4 VEER NW 3/4 WITH GUSTS PROB OF
ISOL RAIN VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR W 5/4 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 5/7 WITH GUSTS VEER SECTOR
W 6 WITH GUSTS PROB OF SH RAIN VIS MODERATE TO POOR
W OF 30 - E OF 40W: SECTOR N 4/5 WITH GUSTS BACK SECTOR W 6/7 WITH GUSTS PROB
OF SH RAIN VIS POOR
E OF 50 - W OF 40W: SECTOR W 5 WITH GUSTS BACK SECTOR S 6/7 WITH GUSTS PROB OF
STORMS VIS POOR
REST OF THE AREA: SECTOR S 5/6 WITH GUSTS BACK SECTOR E 5/4 PROB OF RAIN VIS
POOR TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR E 7 WITH GUSTS PROB
OF SH RAIN VIS POOR
REST OF THE AREA: SECTOR N 7/5 WITH GUSTS BACK SECTOR S 7 WITH GUSTS PROB OF SH
RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 7/8 WITH GUSTS PROB
OF SH RAIN VIS POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS BACK VRB 4 PROB OF RAIN NEXT IMPR VIS
POOR TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) NE OF THE REGION: NW 6/7 WITH GUSTS PROB
OF SNOW FALL VIS POOR
SE OF THE REGION: NW 7/8 WITH GUSTS PROB OF SNOW FALL VIS POOR
REST OF THE AREA: NW 7 WITH GUSTS BACK SECTOR W 6 WITH GUSTS PROB OF SNOW FALL
VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6/5 WITH GUSTS PROB
OF SNOW FALL VIS POOR
REST OF THE AREA: SECTOR W 7 WITH GUSTS PROB OF SNOW FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 WITH GUSTS PROB OF SNOW FALL
VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 09, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
934/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W IN 60S-65S 90W-70W FROM 09/2100 UNTIL 10/2100
935/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SW IN 60S-65S 50W-30W UNTIL 10/0600
936/2026 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 10/0000
937/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 64S-67S 59W-50W UNTIL 09/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 970HPA 68S 85W MOV E DPN
LOW 963HPA 65S 54W MOV SE DPN
LOW 969HPA 66S 45W MOV SE DPN
RIDGE 60S 75W 65S 75W 68S 75W MOV E INTSF
081400 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 6221S 05333W 21X12NM A81 6124S 05225W 28X25NM A76C 5235S 03123W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5213S 03139W 2X1NM ICEBERG2 5225S 03152W 2X1NM 4.ICEBERGS AREA A5951S 02000W 4255S 02000W 5010S 03500W 5810S 03540W B5810S 03540W 5300S 03500W 5840S 05035W 6150S 04840W C6150S 04840W 5840S 05037W 6230S 06716W 6710S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 9 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 09/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 9 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 09/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : NE 3 VEER SECTOR E 3/4 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : SECTOR N 3/4 VEER NE 4/5 BY 10/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SW 7/8 WITH GUSTS VEER NW 5/4 BY 09/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 10/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 5/6 WITH GUSTS VEER SECTOR S 4/3 BY 09/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 VEER SECTOR N 3/4 BY 10/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 65S: NW 7/8 WITH GUSTS BACK SW 8/7 WITH GUSTS BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/5 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS BY 10/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/4 WITH GUSTS BACK NE 5/6 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE=