1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-10, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 319: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 55S-60S 40W-60W UNTIL 10/0900
WARNING 318: LOW 1002HPA AT 45S 38W MOV NE WILL PROVOKE WINDS FORCE 8 FROM
SECTOR S WITH GUST BETWEEN 35S-50S AND 30W-50W FROM 10/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1002HPA 45S 38W MOV NE DPN EXP 40S 32W BY 10/2100 EXTENDS CFNT AT 41S 39W
39S 42W 33S 46W MOV NE
HIGH 1025HPA PENINSULA DE VALDES COASTS NOT MOV NC
CFNT AT 57S 30W 45S 32W 52S 36W
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 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-11
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 3/4 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD
VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SE 4 BACK E 4 PROB OF ISOL RAIN TOWARDS THE END OF THE
PERIOD VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SE 4 BACK E 4 PROB OF ISOL RAIN TOWARDS THE END OF
THE PERIOD VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SE 4 BACK E 3 BY 10/1500 UNSTABLE TOWARDS
THE END OF THE PERIOD VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 4 PROB OF ISOL RAIN VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/3 PROB OF ISOL RAIN SPELLS
OF GOOD WEATHER VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 3 PROB OF DRIZZLE STARTING EARLY
MORNING VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 4 VRB 3 BY 10/0900 UNSTABLE VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4/5 PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SW 4 UNSTABLE VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 6 WITH GUSTS VEER NW 6
WITH GUSTS BY 10/1800 PROB OF SH RAIN VIS MODERATE TO POOR
W OF 30 - E OF 40W: NW 4/6 WITH GUSTS BACK SECTOR S 8 BY 10/1800 PROB OF RAIN
VIS VERY POOR TO POOR
W OF 40 - E OF 50W: SECTOR S 7/8 WITH GUSTS DECR 5 WITH GUSTS BY 10/2100 PROB
OF SH RAIN VIS POOR
REST OF THE AREA: SE 5/4 UNSTABLE VIS GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SE 6/5 PROB OF SH
VIS MODERATE OCNL POOR
E OF 30 - S OF 45S: SECTOR E 5/4 VEER SECTOR S 4/5 BY 10/1800 PROB OF SH RAIN
AND SNOW MIXTURE VIS POOR
REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR S 8 WITH GUSTS BY 10/1200
PROB OF SH RAIN VIS VERY POOR TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 7/8 WITH GUSTS DECR
6 BY 10/2100 PROB OF SH VIS POOR
REST OF THE AREA: SECTOR S 4/3 UNSTABLE VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 7 GUST WITH 8 INTENSITY
BACK SECTOR W 4/5 BY 10/1200 PROB OF SNOW FALL VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SW 6 WITH GUSTS BY 10/1500 PROB OF
SH OF SNOW VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 6/5 WITH GUSTS PROB OF SH
RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
REST OF THE AREA: SECTOR W 7/8 WITH GUSTS DECR 6 WITH GUSTS BY 10/1200 PROB OF
SH OF SNOW VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 GUST WITH 8 INTENSITY PROB OF
SH RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR TO MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 10, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
938/2026 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
939/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 WITH GUST BACK SW IN 60S-65S 50W-30W UNTIL 10/0600
940/2026 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 21:00UTC
LOW 978HPA 98S 72W MOV E WKN
LOW 971HPA 65S 43W MOV SE DPN
LOW 982HPA 68S 89W MOV SE DPN
RIDGE 60S 58W 65S 57W 68S 55W MOV E INTSF
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 00:00 UTC VALID UNTIL 00:00 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: NW 7 GUST WITH 8 INTENSITY BACK SECTOR W 8 WITH GUSTS BY 10/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING 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: NW 7 GUST WITH 8 INTENSITY BACK SECTOR W 8 WITH GUSTS BY 10/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SW 3/4 BACK NE 4/5 BY 10/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 5/7 VEER NE 4/5 BY 10/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR N 3/4 BACK SW 5/4 BY 10/0900 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: SW 5/6 WITH GUSTS VEER SW 4/3 BY 10/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 VEER NE 3/4 BY 10/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 65S: SECTOR W 7/8 WITH GUSTS BACK SW 7/5 BY 10/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 5/4 VEER SECTOR W 4/3 BY 10/1200 PROB OF FOG PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/4 WITH GUSTS BACK SECTOR E 5 BY 10/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE=