1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-6, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 310: LOW 1020HPA AT 37S 53W MOV S DEEPENING EXPECTED 40S 53W BY 06/2100
WILL PROVOKE WINDS FORCE 8 AROUND ITSELF BETWEEN 35S-45S 40W-60W FROM 06/1200
WARNING 309: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 55S-60S 20W-60W FROM 06/0600
WARNING 308: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 9 WITH GUST IN FIN
DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 06/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
051400 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
A76C 5226S 03146W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4748S 02137W
3X1NM ICEBERG2 5238S 03223W 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 43S 39W MOV NE NC EXP 40S 30W BY 06/2100
LOW 1020HPA 37S 53W MOV S DPN EXP 40S 53W BY 06/2100
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-7
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 3/5 PROB OF DRIZZLE RAIN IMPR STARTING EARLY
MORNING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR W 4/6 WITH GUSTS PROB OF RAIN IMPR STARTING
EVENING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 5 BACK SECTOR W 6/7 WITH GUSTS BY 6/0600
PROB OF RAIN VIS POOR OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): VRB 4/5 BACK SECTOR W 6/7 WITH GUSTS BY
6/0600 PROB OF RAIN VIS POOR OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3/4 BACK SW 6/7 WITH GUSTS BY
6/0900 PROB OF RAIN VIS POOR OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): N 5/7 WITH GUSTS VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6/7 WITH GUSTS PROB OF RAIN
TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): NW 8/7 WITH GUSTS PROB OF ISOL RAIN TOWARDS
THE END OF THE PERIOD VIS POOR TO MODERATE
ISLAS MALVINAS COASTS: NW 5/7 GUST WITH 8 INTENSITY VIS GOOD TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SE 7/6 WITH GUSTS VIS MODERATE
W OF 40 - E OF 50W: NE 6/8 WITH GUSTS PROB OF ISOL RAIN NEXT HVY RAIN VIS
MODERATE TO VERY POOR
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS VEER SECTOR W 8 WITH GUSTS BY 6/1800
PROB OF HVY RAIN VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR S 5 VEER VRB 4/3 BY 6/1200
PROB OF SH IMPR STARTING EVENING VIS MODERATE TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR N 4/5 VEER SECTOR E
6/8 WITH GUSTS BY 6/0900 PROB OF RAIN NEXT HVY RAIN VIS MODERATE TO VERY POOR
REST OF THE AREA: SECTOR W 5/4 VEER SECTOR N 4 PROB OF ISOL RAIN IMPR STARTING
EARLY MORNING VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6 WITH GUSTS PROB OF
SH RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 7/8 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS
VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: NW 6/7 WITH GUSTS VIS
MODERATE
REST OF THE AREA: SECTOR W 7/8 WITH GUSTS PROB OF ISOL RAIN STARTING EARLY
MORNING VIS MODERATE TO POOR OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 9/8 WITH GUSTS DECR 7 WITH GUSTS BY
6/1800 PROB OF RAIN VIS VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 05, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
896/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-64S 70W-50W UNTIL 06/0300
897/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 64S-67S 59W-50W UNTIL 06/0300
898/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST BACK SECTOR E IN 67S-72S 90W-70W UNTIL 06/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 953HPA 65S 88W MOV E DPN
LOW 963HPA 73S 50W MOV E DPN
RIDGE 60S 53W 65S 56W 69S 57W MOV E WKN
051400 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 A76C 5226S 03146W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4748S 02137W 3X1NM ICEBERG2 5238S 03223W 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 3/4 WITH GUSTS INCR NW 8 BY 05/1800 PROB OF MIST PROB OF SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 05/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NW 3/4 WITH GUSTS INCR NW 8 WITH GUSTS BY 05/1800 PROB OF MIST PROB OF SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 05/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR N 7 GUST WITH 8 INTENSITY BACK NW 5/7 GUST WITH 8 INTENSITY BY 05/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 7 GUST WITH 8 INTENSITY BACK NW 5/7 GUST WITH 8 INTENSITY BY 05/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 5/4 INCR NW 7/8 BY 05/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 7/6 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 05/1800 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: NE 5/7 WITH GUSTS VEER SECTOR E 5/4 BY 05/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS VEER SE 7 GUST WITH 8 INTENSITY BY 05/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 65S: SECTOR W 5/4 WITH GUSTS VEER NW 5/7 WITH GUSTS BY 05/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS VEER NW 5/6 BY 05/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 WITH GUSTS VEER SECTOR E 6/7 BY 05/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE=