1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-5, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 308: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM NW WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 05/1200
WARNING 307: STRONG BARIC GRADIENT MOV NE PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 45S-55S AND 20W-30W UNTIL 05/1500
WARNING 306: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SE WITH GUST
BETWEEN 35S-40S AND 30W-40W UNTIL 05/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
041400 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 6139S 05246W 28X25NM
A76C 5228S 03205W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4732S 02212W
3X1NM ICEBERG2 5244S 03227W 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
2OW 1016HPA SOUTH PATAGONIA COASTS WKN
HIGH 1027HPA 45S 44W MOV NE INTSF EXP 42S 38W BY 05/1500 EXTENDS RIDGE AT 51S
46W 53S 47W 55S 48W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-6
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3 VEER SECTOR S 3/4 BY 5/2100 PROB OF MIST FOG
PATCHES DURING THE EARLY MORNING PROB OF RAIN STARTING NOON VIS GOOD TO
MODERATE
OUTER RIO DE LA PLATA: SE 3 VEER SECTOR S 3/4 BY 5/2100 PROB OF MIST FOG PATCHES
DURING THE EARLY MORNING PROB OF RAIN STARTING NOON VIS GOOD TO MODERATE
URUGUAY SOUTH EAST COASTS: VRB 3 VEER E 3 BY 5/1500 PROB OF ISOL RAIN TOWARDS
THE END OF THE PERIOD VIS GOOD TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3/4 PROB OF MIST FOG PATCHES
PROB OF RAIN STARTING EVENING VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/3 PROB OF ISOL RAIN
STARTING EVENING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/3 UNSTABLE VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 4/3 PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 4 VEER NW 4/5 BY 5/1500 PROB OF
MIST FOG PATCHES VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): NW 4/5 INCR 6 GUST WITH 8 INTENSITY BY 5/1800
VIS MODERATE
ISLAS MALVINAS COASTS: NW 4/5 WITH GUSTS PROB OF ISOL RAIN IMPR DURING THE
EVENING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: VRB 3 INCR SE 6/7 GUST WITH 8
INTENSITY BY 5/0900 PROB OF RAIN VIS MODERATE TO POOR
W OF 30 - E OF 40W: SE 8/7 GUST WITH 8 INTENSITY PROB OF RAIN VIS POOR
REST OF THE AREA: SECTOR E 6/4 BACK NE 4 BY 5/1200 PROB OF ISOL RAIN VIS
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 6/5 WITH GUSTS PROB
OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE
E OF 30 - S OF 45S: SW 8/7 WITH GUSTS PROB OF SH OF SNOW VIS VERY POOR TO
POOR
REST OF THE AREA: SW 7 GUST WITH 8 INTENSITY VEER SECTOR W 5 WITH GUSTS BY
5/1500 PROB OF SH RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SE 4/3 VEER VRB 3
BY 5/0900 VIS GOOD
E OF 50 - S OF 45S: VRB 3 VEER SECTOR W 4/5 BY 5/0600 PROB OF SH RAIN AND SNOW
MIXTURE VIS GOOD TO MODERATE OCNL POOR
W OF 50 - N OF 45S: VRB 3 PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: NW 4/3 UNSTABLE VIS GOOD OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SW 8/7 WITH GUSTS
PROB OF SH OF SNOW VIS VERY POOR TO POOR
W OF 30 - N OF 55S: SW 7 GUST WITH 8 INTENSITY VEER W 5 WITH GUSTS BY 5/0900
PROB OF ISOL SNOW FALL VIS MODERATE
REST OF THE AREA: W 6 WITH GUSTS PROB OF SH OF SNOW VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 6/5 PROB OF SH RAIN
AND SNOW MIXTURE VIS MODERATE OCNL POOR
W OF 50 - N OF 55S: NW 4/5 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS
MODERATE
REST OF THE AREA: NW 5 WITH GUSTS INCR 7 GUST WITH 8 INTENSITY BY 5/1800 PROB
OF RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): NW 5/6 INCR 8 WITH GUSTS BY 5/1200 PROB OF
RAIN STARTING EARLY MORNING VIS MODERATE TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 05, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
893/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 60S-64S 70W-50W FROM 05/1200 UNTIL 06/0300
894/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 64S-67S 59W-50W FROM 05/1500 UNTIL 06/0300
895/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST BACK SECTOR E IN 67S-72S 90W-70W FROM 05/1200 UNTIL 06/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 968HPA 71S 70W MOV E DPN
LOW 964HPA 70S 55W MOV SE DPN
RIDGE 60S 38W 65S 38W 70S 37W MOV E WKN
RIDGE 60S 68W 65S 74W 70S 82W MOV E INTSF
041400 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 6139S 05246W 28X25NM A76C 5228S 03205W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4732S 02212W 3X1NM ICEBERG2 5244S 03227W 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 2026-07-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 3/4 WITH GUSTS INCR NW 8 WITH GUSTS BY 5/1200 PROB OF MIST PROB OF SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 5/1800 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 5/1200 PROB OF MIST PROB OF SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/7 WITH GUSTS VEER NW 8 WITH GUSTS BY 5/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE
GERLACHE STRAIT : SECTOR N 5/4 WITH GUSTS VEER NE 5/7 GUST WITH 8 INTENSITY BY 5/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 5/4 VEER NE 7/8 WITH GUSTS BY 5/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 5/4 INCR NW 7/8 WITH GUSTS BY 5/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 65S: NW 5/6 WITH GUSTS INCR NW 7/8 WITH GUSTS BY 5/1200 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 W 7/5 WITH GUSTS VEER NE 5/7 GUST WITH 8 INTENSITY BY 5/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 VEER NE 5/7 BY 5/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 65S: NW 5/6 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY 5/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 5/6 BY 5/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 WITH GUSTS VEER SECTOR E 6/7 BY 5/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE=