1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-7, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 313: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S 20W-40W UNTIL 07/1200
WARNING 312: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 07/1200 UNTIL 07/2100
WARNING 311: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST IN ISLAS MALVINAS COASTS SOUTH WEST AREA (50S- 60S AND 40W- 60W) FROM
07/0300
WARNING 310: LOW 999HPA AT 40S 43W MOV NE WEAKENING EXPECTED 38S 48W BY 08/0000
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-45S AND 40W-55W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
061400 UTC 1.SEA ICE LIMIT 6022S 02000W 5707S 02617W 5817S 03218W 5822S 03757W
5912S 04316W 5937S 04813W 6145S 05247W 6244S 05655W 6229S 06032W 6414S 06336W
6532S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6133S 05242W 28X25NM
D33B 6228S 05334W 21X12NM A76C 5226S 03142W 16X6NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 4748S 02137W 3X1NM ICEBERG2 5225S 03221W 2X1NM ICEBERG3 6142S 05333W
2X1NM 4.ICEBERGS AREA A6048S 02000W 4300S 02000W 5400S 03700W 5746S 03618W
B5746S 03618W 5700S 04100W 6100S 05700W 6243S 05600W C6243S 05600W 6100S 06000W
6500S 06716W 6700S 06716W
HIGH 1029HPA 40S 32W MOV SE INTSF EXP 45S 20W BY 08/0000
LOW 999HPA 40S 53W MOV NE WKN EXP 38S 48W BY 08/0000 EXTENDS OFNT AT 41S 55W 37S
56W 36S 54W MOV E ASOCIATED WITH CFNT AT 39S 50W 37S 47W 35S 46W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-8
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 4/5 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 6 WITH GUSTS VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 6/7 GUST WITH 8 INTENSITY DECR 6/5 BY 7/2100
LOW PROB OF DRIZZLE IMPR STARTING EARLY MORNING VIS MODERATE OCNL POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 7/6 GUST WITH 8 INTENSITY VEER
SECTOR N BY 7/2100 LOW PROB OF ISOL RAIN IMPR DURING THE EARLY MORNING VIS POOR
OCNL VERY POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 5/6 WITH GUSTS VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6 WITH GUSTS BACK SECTOR W BY
7/1800 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 7/6 GUST WITH 8 INTENSITY BACK
SECTOR S 5 WITH GUSTS BY 7/1500 LOW PROB OF ISOL RAIN IMPR TOWARDS THE END OF
THE PERIOD VIS POOR TO MODERATE OCNL GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 51S: SECTOR N 7/6 GUST WITH 8 INTENSITY
BACK SECTOR S BY 7/1200 DECR VRB 4 BY 7/1800 LOW PROB OF ISOL RAIN IMPR STARTING
EARLY MORNING VIS POOR TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR N 7/6 WITH GUSTS
BACK SECTOR W 7 GUST WITH 8 INTENSITY BY 7/0600 PROB OF ISOL RAIN IMPR STARTING
EARLY MORNING VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 7 WITH GUSTS BACK SECTOR W BY 7/0900
DECR 6 BY 7/2100 PROB OF ISOL RAIN IMPR STARTING EVENING VIS POOR OCNL
MODERATE
ISLAS MALVINAS COASTS: SECTOR N 7/8 WITH GUSTS BACK SECTOR W 6/5 WITH GUSTS BY
7/1200 PROB OF ISOL RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR OCNL
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR S 6/5 WITH GUSTS BACK SECTOR
E BY 7/0900 PROB OF ISOL RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
W OF 35 - E OF 50W: NE 8 WITH GUSTS BACK SECTOR W 7 GUST WITH 8 INTENSITY BY
7/2100 PROB OF RAIN NXT PROB OFHVY RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 7/2100 PROB OF
RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: VRB 4/3 INCR
SECTOR E 5 BY 7/1800 LOW PROB OF ISOL RAIN VIS MODERATE
E OF 30 - S OF 45S: SECTOR W 4 VIS GOOD
REST OF THE AREA: VRB 3/4 INCR SECTOR N 6/7 GUST WITH 8 INTENSITY BY 7/0600 LOW
PROB OF DRIZZLE VIS GOOD TO MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 55 - N OF 45S: NE 8 WITH GUSTS
PROB OF RAIN VIS VERY POOR
E OF 55 - S OF 45S: SECTOR N 5/6 WITH GUSTS INCR 7 GUST WITH 8 INTENSITY BY
7/1800 PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR
E OF 55 - N OF 45S: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SECTOR N BY 7/1500
PROB OF RAIN IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
REST OF THE AREA: SECTOR N 6/7 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY
7/1500 PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6 WITH GUSTS VEER
SECTOR N BY 7/1800 VIS MODERATE
REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 7 BY 7/1200 VEER SECTOR N 7 GUST
WITH 8 INTENSITY BY 7/1800 LOW PROB OF ISOL SNOW FALL VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: NW 7 WITH GUSTS INCR 8 WITH
GUSTS BY 7/1200 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS VERY
POOR TO POOR
W OF 50 - N OF 55S: NW 7/8 WITH GUSTS BACK W 6/5 BY 7/2100 PROB OF ISOL RAIN
STARTING EARLY MORNING VIS VERY POOR TO POOR
REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 7 GUST WITH 8 INTENSITY BY
7/1500 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 6 WITH GUSTS BACK SECTOR W 8 WITH
GUSTS BY 7/1200 DECR 7 WITH GUSTS BY 7/2100 PROB OF RAIN AND SNOW MIXTURE VIS
VERY POOR TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 07, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
914/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-69S 50W-30W UNTIL 07/0900
915/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST BACK SW IN 60S-64S 90W-70W UNTIL 07/1800
916/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-64S 60W-50W FROM 07/1200 UNTIL 08/0600
917/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 64S-67S 60W-50W FROM 07/1500 UNTIL 08/1500
918/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST BACK NW IN 60S-65S 50W-30W FROM 07/1200 UNTIL 06/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 948HPA 61S 88W MOV E WKN
LOW 946HPA 64S 65W MOV SE DPN
LOW 951HPA 69S 88W MOV E WKN
LOW 941HPA 72S 40W MOV SE DPN
RIDGE 60S 46W 65S 52W 70S 58W MOV E WKN
061400 UTC 1.SEA ICE LIMIT 6022S 02000W 5707S 02617W 5817S 03218W 5822S 03757W 5912S 04316W 5937S 04813W 6145S 05247W 6244S 05655W 6229S 06032W 6414S 06336W 6532S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6133S 05242W 28X25NM D33B 6228S 05334W 21X12NM A76C 5226S 03142W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4748S 02137W 3X1NM ICEBERG2 5225S 03221W 2X1NM ICEBERG3 6142S 05333W 2X1NM 4.ICEBERGS AREA A6048S 02000W 4300S 02000W 5400S 03700W 5746S 03618W B5746S 03618W 5700S 04100W 6100S 05700W 6243S 05600W C6243S 05600W 6100S 06000W 6500S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 4/5 WITH GUSTS VEER NE 7 WITH GUSTS BY 7/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 WITH GUSTS VEER SECTOR N 8 WITH GUSTS BY 7/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 WITH GUSTS VEER NE 7 BY 7/1200 PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4/5 WITH GUSTS VEER SECTOR N 8 WITH GUSTS BY 7/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
GERLACHE STRAIT : SECTOR N 7 WITH GUSTS VEER NE 8 WITH GUSTS BY 7/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 5/7 WITH GUSTS VEER SECTOR E 7/8 WITH GUSTS BY 7/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 8 WITH GUSTS DECR NE 7/6 WITH GUSTS BY 7/0900 AFTERWARDS NW 8 WITH GUSTS BY 7/1600 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 N 7/8 WITH GUSTS BACK SW 8 WITH GUSTS BY 7/0600 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 N 4/5 WITH GUSTS VEER NE 7 BY 7/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 3/4 VEER SE 3/4 WITH GUSTS BY 7/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 7/8 WITH GUSTS VEER NE 8 WITH GUSTS BY 7/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS VEER NW 7/5 WITH GUSTS BY 7/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS MORNING VIS POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/6 WITH GUSTS VEER SECTOR E 6/5 BY 7/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD=