1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-7, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 96: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 55S-60S 20W-30W UNTIL 07/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1022HPA RINCON BAHIA BLANCA COASTS NOT MOV NC EXTENDS RIDGE AT PENINSULA DE
VALDES COASTS GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS
LOW 974HPA 57S 26W MOV SE DPN EXTENDS CFNT AT 50S 21W 45S 26W 41S 34W
061400 UTC 1.SEA ICE LIMIT 7244S 02000W 7204S 02813W 6128S 03315W 6122S 03708W
6131S 04044W 6115S 04507W 6114S 04616W 6218S 04726W 6314S 05716W 6438S 06242W
6640S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4845S 03341W 10X11NM A23K 5103S
03523W 11X8NM A76C 5916S 03712W 16X7NM B15AB 5320S 03345W 10X4NM 3.ICEBERGS
SMALLER THAN 10NM ICEBERG1 5754S 03536W 3X2NM ICEBERG2 5137S 04031W 2X1NM
ICEBERG3 5917S 04920W 3X2NM ICEBERG4 5114S 03834W 3X1NM ICEBERG5 4836S 03401W
3X2NM ICEBERG6 4825S 03357W 3X2NM 4.ICEBERGS AREA A 7250S 02000W 4700S 02000W
4600S 03400W 4900S 04200W 6230S 04200W B 6230S 04200W 5700S 04200W 5700S 05000W
6000S 05700W 6440S 05700W C 6440S 05700W 6100S 05700W 6100S 06200W 6500S 06716W
6644S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-8
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 5/4 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SE 5/4 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SE 5 WITH GUSTS PROB OF SH RAIN VIS POOR TO
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 4 UNSTABLE IMPR STARTING EARLY
MORNING VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 4/5 WITH GUSTS VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): NE 4/5 WITH GUSTS PROB OF SH STARTING
EVENING VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 5/6 WITH GUSTS PROB OF ISOL RAIN
STARTING EVENING VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NE 5/6 WITH GUSTS VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 3 BACK SECTOR N 3/4 BY 7/1500 VIS
GOOD
ISLAS MALVINAS COASTS: SECTOR S 6/5 WITH GUSTS DECR VRB 3 BY 7/2100 PROB OF ISOL
RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 6 WITH GUSTS BACK SW 4 BY 7/1500
PROB OF RAIN ISOL STORMS VIS POOR
W OF 30 - E OF 40W: SW 4 PROB OF ISOL RAIN VIS MODERATE
W OF 40 - E OF 50W: SW 4/5 WITH GUSTS PROB OF SH SPELLS OF GOOD WEATHER VIS
MODERATE
REST OF THE AREA: SE 5/4 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR W 4/5 WITH
GUSTS PROB OF HVY RAIN SH IMPR STARTING EVENING VIS VERY POOR TO MODERATE
E OF 30 - S OF 45S: SECTOR W 6/5 WITH GUSTS PROB OF SH SPELLS OF GOOD WEATHER
VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF SH RAIN VIS MODERATE TO
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SW 6/5 WITH GUSTS PROB OF SH
RAIN VIS POOR
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS PROB OF SH SPELLS OF GOOD WEATHER VIS
MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR W 6/7 GUST
WITH 8 INTENSITY PROB OF SH RAIN VIS POOR
E OF 30 - S OF 55S: SECTOR S 8 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY
POOR
REST OF THE AREA: SECTOR S 6 WITH GUSTS SH OF SNOW VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/5 WITH GUSTS PROB OF SH RAIN
AND SNOW MIXTURE VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 3 BACK NE 4/5 BY 7/1200 VIS GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 07, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
292/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM NE WITH GUST IN 60S-72S 90W-70W UNTIL 08/0600
293/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV NE WEAKENING PROVOKES WINDS FORCE 8 FROM SE WITH GUST IN 60S-63S 35W-30W UNTIL 07/1800
294/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV N WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 72S-75S 33W-30W UNTIL 07/2100
295/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV N DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW IN 61S-67S 45W-30W FROM 07/1500 UNTIL 08/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
RIDGE 62S 66W 66S 68W 70S 68W MOV E NC
061400 UTC 1.SEA ICE LIMIT 7244S 02000W 7204S 02813W 6128S 03315W 6122S 03708W 6131S 04044W 6115S 04507W 6114S 04616W 6218S 04726W 6314S 05716W 6438S 06242W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4845S 03341W 10X11NM A23K 5103S 03523W 11X8NM A76C 5916S 03712W 16X7NM B15AB 5320S 03345W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5754S 03536W 3X2NM ICEBERG2 5137S 04031W 2X1NM ICEBERG3 5917S 04920W 3X2NM ICEBERG4 5114S 03834W 3X1NM ICEBERG5 4836S 03401W 3X2NM ICEBERG6 4825S 03357W 3X2NM 4.ICEBERGS AREA A 7250S 02000W 4700S 02000W 4600S 03400W 4900S 04200W 6230S 04200W B 6230S 04200W 5700S 04200W 5700S 05000W 6000S 05700W 6440S 05700W C 6440S 05700W 6100S 05700W 6100S 06200W 6500S 06716W 6644S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: VRB 3 INCR SECTOR W 4 BY 7/1200 PROB OF SCT ISOL FOG WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 5 DECR VRB 3 BY 7/0600 ISOL MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: VRB 3 INCR SECTOR W 4 BY 7/1200 PROB OF SCT ISOL MIST WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 5 DECR VRB 3 BY 7/0600 PROB OF ISOL MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : VRB 3 INCR SECTOR N 4 BY 7/0300 PROB OF MIST WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
MARGARITA BAY : VRB 3 INCR NE 4/5 BY 7/0600 PROB OF MIST WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : VRB 3 INCR SECTOR N 4 BY 7/0900 PROB OF MIST VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : VRB 3 INCR SECTOR N 4 BY 7/0900 PROB OF MIST VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): NE 8/10 WITH GUSTS DECR SECTOR N 6/5 BY 7/1200 PROB OF INTERMITTENT RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 8/10 WITH GUSTS DECR SECTOR N 5 BY 7/2100 PROB OF ISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA W OF 40W: SE 6/7 VEER SW 5/6 BY 7/0600 AFTERWARDS SW 8 BY 7/2100 PROB OF SCT SNOW FALL PROB OFISOL RAIN SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SE 6/7 VEER SW 5/6 BY 7/0600 AFTERWARDS SW 8 BY 7/2100 PROB OF SCT SNOW FALL PROB OFISOL RAIN SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 7/8 DECR SECTOR S 7 BY 7/1800 PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD TO MODERATE=