1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-8, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 315: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 35S-40S 35W-45W
WARNING 314: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 40S-50S AND 40W-50W
WARNING 312: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 WITH GUST IN
DRAKE AREA (55S- 60S AND 60W- 67W) BETWEEN 55S-60S AND 50W-60W FROM 08/1500
WARNING 311: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST BETWEEN 50S-60S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1001HPA 46S 60W MOV E WKN EXTENDS CFNT AT PENINSULA DE VALDES COASTS MOV
NE
LOW 1002HPA 40S 48W MOV SE WKN EXTENDS OFNT AT 40S 40W 42S 48W 40S 52W
CFNT AT 55S 50W 53S 53W 50S 57W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4 VIS GOOD
OUTER RIO DE LA PLATA: NW 4/5 WITH GUSTS VIS GOOD
URUGUAY SOUTH EAST COASTS: NW 6/5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 6/5 WITH GUSTS DECR 4 BY 8/1800
VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 6/5 DECR 4 BY 8/0900 BACK
SECTOR S 4 BY 8/2100 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5 WITH GUSTS BACK SECTOR E BY
8/2100 PROB OF HVY RAIN VIS MODERATE TO POOR OCNL VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/4 WITH GUSTS BACK SECTOR E 4
BY 8/2100 VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S) N OF 55S: SECTOR S 5 WITH GUSTS VEER SECTOR
N BY 8/2100 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR S 7/6 WITH GUSTS
BACK SECTOR N 7 WITH GUSTS BY 8/1800 PROB OF SH RAIN AND SNOW MIXTURE VIS
MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 7/6 WITH GUSTS BACK SECTOR N 7 GUST
WITH 8 INTENSITY BY 8/1800 PROB OF PRECIPITATIONS RAIN AND SNOW MIXTURE VIS
MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 5 WITH GUSTS VEER SECTOR W 6 WITH GUSTS BY
8/2100 PROB OF RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: E 5/6 WITH GUSTS PROB OF RAIN VIS
MODERATE OCNL POOR
W OF 45W: SECTOR W 6/5 PROB OF RAIN VIS MODERATE OCNL POOR TO GOOD
REST OF THE AREA: SECTOR N 8 WITH GUSTS VEER SECTOR E 6 WITH GUSTS BY 8/1800
PROB OF RAIN VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30W: SECTOR N 6/7 GUST WITH 8
INTENSITY LOW PROB OF RAIN VIS GOOD TO MODERATE
E OF 30 - N OF 45S: SECTOR E 5 LOW PROB OF RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR N 4 VEER SECTOR E 4 BY 8/2100 VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR N 8 WITH GUSTS PROB
OF RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR N 4 BACK SECTOR S 5 WITH GUSTS BY 8/0900 PROB OF RAIN
IMPR TOWARDS EVENING VIS MODERATE TO GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 6/7 WITH GUSTS INCR 8
BY 8/1800 VIS GOOD
REST OF THE AREA: SECTOR N 8 WITH GUSTS PROB OF RAIN VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR N 8 WITH GUSTS BACK
SECTOR S 5 BY 8/1800 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR
N OF 55 - W OF 50W: SECTOR W 5 BACK SECTOR S 5/4 BY 8/0900 LOW PROB OF RAIN VIS
GOOD
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS NW 8 BY 8/2100 LOW PROB OF RAIN AND
SNOW MIXTURE VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/7 WITH GUSTS VEER NW 8 BY 8/2100
PROB OF RAIN AND SNOW MIXTURE VIS MODERATE TO POOR OCNL VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 07, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
919/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-65S 90W-70W UNTIL 07/1800
920/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-64S 60W-50W UNTIL 08/0600
921/2026 STRONG BARIC GRADIENT ON 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
922/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST BACK NW IN 60S-65S 50W-30W UNTIL 08/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 945HPA 63S 73W MOV E DPN
LOW 944HPA 67S 77W MOV SE DPN
LOW 962HPA 62S 62W MOV E DPN
RIDGE 60S 32W 65S 40W 70S 48W 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 7/8 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 8/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 7/8 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 8 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 8/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR N 7 WITH GUSTS VEER NE 8 WITH GUSTS BY 07/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 5/7 WITH GUSTS VEER SECTOR E 7/8 WITH GUSTS BY 07/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 8 WITH GUSTS DECR SECTOR W 7/6 WITH GUSTS BY 8/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 WITH GUSTS VEER NW 8 WITH GUSTS BY 8/0300 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 07/1800 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 BY 07/1800 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 07/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 7/8 WITH GUSTS VEER NW 7/5 WITH GUSTS BY 07/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 5/6 WITH GUSTS VEER SECTOR E 6/5 BY 07/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD=