1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-07-29, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 350: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 35S-45S AND 20W-40W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1002HPA 41S 38W MOV SE DPN EXP 45S 20W BY 29/1500
CFNT AT 59S 21W 53S 30W 50S 40W MOV E
HIGH 1014HPA 43S 64W MOV NE INTSF EXP 37S 55W BY 29/2100
281400 UTC 1.SEA ICE LIMIT 5755S 02000W 5553S 02618W 5742S 03217W 5752S 03757W
5825S 04317W 5950S 04814W 6123S 05248W 6201S 05654W 6323S 06032W 6404S 06337W
6525S 06559W 6330S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 61 06S 051 71W
21X12NM A81 60 24S 052 43W 28X25NM A76C 52 27S 031 35W 16X6NM 3.ICEBERGS SMALLER
THAN 10NM ICEBERG1 59 34S 050 53W 2X1NM 4.ICEBERGS AREA A5820S 02000W 4600S
02000W 5300S 03800W 5805S 03800W B5805S 03800W 5300S 03800W 5800S 05000W 6040S
05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-30
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 3 PROB OF MIST FOG PATCHES IMPR STARTING EARLY MORNING
VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SE 3 PROB OF MIST FOG PATCHES IMPR STARTING EARLY MORNING
VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3 PROB OF STORMS STARTING EARLY MORNING IMPR
TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): VRB 3/4 PROB OF SH NXT FOG IMPR STARTING
EARLY MORNING VIS MODERATE OCNL POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3 PROB OF SH NXT MIST IMPR
STARTING EARLY MORNING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): VRB 3 PROB OF ISOL RAIN VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3/4 PROB OF SH RAIN AND SNOW MIXTURE
VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/4 PROB OF ISOL SNOW FALL IMPR
TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
FIN DEL MUNDO COASTS(54S - 55S): SW 5/4 PROB OF SNOW FALL VIS POOR
ISLAS MALVINAS COASTS: SW 5/4 PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 8/7 WITH GUSTS PROB OF HVY
RAIN NXT RAIN VIS VERY POOR
REST OF THE AREA: SECTOR S 4 UNSTABLE VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR N 7/8 WITH
GUSTS PROB OF HVY RAIN NXT RAIN VIS VERY POOR
W OF 30 - OF 45S: SECTOR N 8 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS BY 29/0600
PROB OF RAIN VIS VERY POOR TO POOR OCNL MODERATE
REST OF THE AREA: NW 7 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 29/0600 PROB OF SH
VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SW 5/4 PROB OF ISOL RAIN VIS
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 7 GUST WITH 8
INTENSITY PROB OF SNOW FALL VIS POOR
REST OF THE AREA: SW 7/6 WITH GUSTS PROB OF SNOW FALL VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SW 5/6 WITH GUSTS PROB OF SNOW FALL VIS
POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 5 PROB OF SNOW FALL VIS POOR
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 29, JULY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 994HPA 61S 56W MOV E WKN
LOW 996HPA 63S 62W MOV E WKN
HIGH 1000HPA 66S 55W MOV E WKN
HIGH 993HPA 72S 80W MOV E WKN
281400 UTC 1.SEA ICE LIMIT 5755S 02000W 5553S 02618W 5742S 03217W 5752S 03757W 5825S 04317W 5950S 04814W 6123S 05248W 6201S 05654W 6323S 06032W 6404S 06337W 6525S 06559W 6330S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 61 06S 051 71W 21X12NM A81 60 24S 052 43W 28X25NM A76C 52 27S 031 35W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 59 34S 050 53W 2X1NM 4.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-30
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/4 VEER SECTOR W 4 BY 29/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 4/5 VEER SECTOR E 4/3 BY 29/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 5/4 VEER SECTOR W 4 BY 29/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 4/5 VEER SECTOR E 4/3 BY 29/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 4/5 BY 29/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : SECTOR E 3/4 BACK NE 5/6 BY 29/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : SECTOR S 3/4 BACK NE 4/5 BY 29/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 4/5 WITH GUSTS INCR SW 6 WITH GUSTS BY 29/1200 PROB OF MIST PROB OFSCT SH OF SNOW WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 WITH GUSTS INCR SW 6/7 WITH GUSTS BY 29/0600 PROB OF FOG AND MIST IN PATCHES PROB OFSCT SH OF SNOW WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 7 WITH GUSTS BACK SW 5/4 WITH GUSTS BY 29/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 65S: SW 3/4 VEER SECTOR W 4/3 BY 29/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 3/4 VEER SW 3/3 BY 29/1200 PROB OF MIST VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/3 VEER SE 4 BY 29/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS GOOD TO MODERATE=