1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-9, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 317: STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 WITH GUST
BETWEEN 55S-60S 20W-30W FROM 09/1500
WARNING 316: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 45S-50S 40W-30W UNTIL 09/1200
WARNING 312: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN 55S-60S AND 50W-60W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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
CFNT AT 59S 66W 58S 67W 57S 70W MOV NE
LOW 1002HPA 50S 46W MOV E WKN EXTENDS CFNT AT 50S 46W 45S 45W 39S 49W MOV NE
HIGH 1017HPA 47S 65W MOV NE NC
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-10
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 5/4 WITH GUSTS DECR 3/4 BY 9/0600 BACK SECTOR S
4 BY 9/2100 PROB OF FOG MIST DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: NW 3/4 BACK SECTOR S 4 WITH GUSTS BY 9/2100 PROB OF FOG
MIST IMPR STARTING EARLY MORNING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NW 4 BACK SECTOR S 4 WITH GUSTS BY 9/2100 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NW 3/4 BACK SECTOR S 4/5 WITH GUSTS BY
9/1200 UNSTABLE DURING THE EARLY MORNING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SE 4 BACK SECTOR E BY 9/1800 PROB OF
ISOL RAIN VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SE 4/3 BACK NE 3/4 BY 9/1800 PROB OF
DRIZZLE RAIN VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3 BACK NW 3/4 BY 9/1200 PROB OF ISOL
RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NW 7/6 GUST WITH 8 INTENSITY BACK SECTOR W
5 WITH GUSTS BY 9/1200 BACK SW 5/4 WITH GUSTS BY 9/2100 VIS MODERATE OCNL POOR
TO GOOD
FIN DEL MUNDO COASTS(54S - 55S): NW 7 GUST WITH 8 INTENSITY BACK SECTOR W 6 BY
9/0900 BACK SW 5 WITH GUSTS BY 9/1800 UNSTABLE VIS POOR TO MODERATE
ISLAS MALVINAS COASTS: SECTOR W 6/5 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR E 6/5 WITH GUSTS BACK SECTOR
S 5 WITH GUSTS BY 9/0900 PROB OF RAIN STORMS VIS MODERATE OCNL GOOD
E OF 40 - W OF 30W: NW 7/6 GUST WITH 8 INTENSITY BACK SECTOR W 5 WITH GUSTS BY
9/1200 PROB OF SH RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5 WITH GUSTS BACK SECTOR S 6 BY 9/1800 PROB OF RAIN
STORMS TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30 - N OF 45S: SECTOR N 6/7 GUST
WITH 8 INTENSITY VEER SECTOR W 5 WITH GUSTS BY 9/2100 PROB OF RAIN STORMS VIS
MODERATE OCNL POOR
E OF 30 - N OF 45S: SE 5/7 WITH GUSTS VEER SW 6 WITH GUSTS BY 9/1200 PROB OF
RAIN STORMS VIS MODERATE OCNL POOR
W OF 30 - S OF 45S: SECTOR N 8/7 DECR 7/6 WITH GUSTS BY 9/1200 PROB OF RAIN
STORMS VIS POOR TO MODERATE
REST OF THE AREA: VRB 3/4 BACK SECTOR E 5 WITH GUSTS BY 9/1200 PROB OF RAIN VIS
MODERATE OCNL GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR N 7/6 GUST
WITH 8 INTENSITY BACK SECTOR S 5 WITH GUSTS BY 9/1200 PROB OF RAIN STORMS VIS
MODERATE OCNL POOR TO GOOD
E OF 50 - S OF 45S: SECTOR N 7 GUST WITH 8 INTENSITY BACK SECTOR S 7/6 GUST
WITH 8 INTENSITY BY 9/1200 PROB OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
POOR OCNL MODERATE
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS BACK VRB 4/3 BY 9/1800 PROB OF
DRIZZLE RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 6/7 GUST WITH 8 INTENSITY
PROB OF RAIN VIS POOR OCNL MODERATE
W OF 30 - S OF 55S: NW 7 GUST WITH 8 INTENSITY INCR 7/8 WITH GUSTS BY 9/1500
PROB OF RAIN SNOW FALL VIS MODERATE TO POOR
REST OF THE AREA: NW 5/6 WITH GUSTS PROB OF ISOL RAIN SNOW FALL VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) W OF 50 - N OF 55S: SECTOR S 5 WITH
GUSTS VEER SECTOR W 5/6 WITH GUSTS BY 9/0900 VIS GOOD OCNL MODERATE
E OF 50 - N OF 55S: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SECTOR W 5 WITH
GUSTS BY 9/1800 PROB OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE
W OF 50 - S OF 50S: NW 6/7 GUST WITH 8 INTENSITY PROB OF ISOL RAIN SNOW FALL
VIS POOR OCNL MODERATE
REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 8/7 WITH GUSTS BY 9/0900 PROB
OF ISOL RAIN SNOW FALL VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 7/8 WITH GUSTS BACK SECTOR W 8/7 WITH
GUSTS BY 9/0300 PROB OF ISOL RAIN SNOW FALL VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 09, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
930/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST BACK SW IN 60S-67S 82W-70W UNTIL 09/1200
931/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-67S 50W-30W UNTIL 09/1800
932/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-64S 70W-50W UNTIL 09/2100
933/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 64S-67S 59W-50W FROM 09/0900 UNTIL 09/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 958HPA 64S 72W MOV E DPN
LOW 957HPA 67S 75W MOV SE DPN
LOW 956HPA 68S 45W MOV E WKN
RIDGE 60S 88W 65S 88W 68S 88W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR E 7 GUST WITH 8 INTENSITY INCR SECTOR W 9 WITH GUSTS BY 9/0600 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 8 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 9/0900 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 E 7 GUST WITH 8 INTENSITY INCR SECTOR W 9 WITH GUSTS BY 9/0600 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 8 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 9/0900 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 7 WITH GUSTS VEER SE 3/4 WITH GUSTS BY 9/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS MORNING VIS POOR TO MODERATE OCNL GOOD
MARGARITA BAY : NE 3/4 BACK SECTOR N 4/3 BY 9/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NW 7 WITH GUSTS BACK SW 9 WITH GUSTS BY 9/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 9/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 5/6 WITH GUSTS BACK SE 4/5 BY 9/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 VEER NW 3/4 BY 9/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 7/8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 9/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 9/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/6 WITH GUSTS VEER SE 5/4 BY 9/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE=