1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-09, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 99: LOW 981HPA AT 44S 30W MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR S WITH GUST BETWEEN 40S-55S AND 20W-40W
WARNING 98: LOW 981HPA AT 44S 30W MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 35S-40S AND 20W-45W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
081400 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 A23K 5105S 03508W 10X7NM A76C 5911S
03707W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4857S 03327W 9X7NM B15AB 5303S
03336W 7X2NM ICEBERG1 5754S 03536W 3X2NM ICEBERG2 5137S 04023W 2X1NM ICEBERG3
5918S 04927W 3X2NM ICEBERG4 5122S 03809W 3X1NM ICEBERG5 4838S 03400W 3X2NM
ICEBERG6 4822S 03401W 3X2NM 4.ICEBERGS AREA A 7303S 02000W 4600S 02000W 4400S
03000W 4500S 04300W 6200S 04300W B 6200S 04300W 5700S 04300W 5800S 05500W 6100S
05700W 6500S 05700W C 6500S 05700W 6100S 05700W 6100S 06200W 6500S 06716W 6644S
06716W
LOW 981HPA 44S 30W MOV E DPN EXTENDS OFNT AT 49S 20W 46S 35W 41S 30W MOV E
HIGH 1026HPA 47S 56W MOV NE EXTENDS RIDGE AT 47S 56W 56S 54W 60S 53W MOV E EXP
41S 45W 52S 46W 60S 49W BY 10/1200
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-10
COASTAL AREAS:
INNER RIO DE LA PLATA: E 3/5 VEER SE 5/6 WITH GUSTS BACK NE 5/3 VIS GOOD OCNL
MODERATE
OUTER RIO DE LA PLATA: E 4/5 BACK NE 4/3 VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: E 4/5 BACK NE 4/3 VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 3/5 WITH GUSTS BACK N 5/4 WITH GUSTS
VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/6 WITH GUSTS PROB OF ISOL
RAIN STORMS STARTING EVENING VIS GOOD TO MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 GUST WITH 8 INTENSITY DECR
5 WITH GUSTS BY 10/0900 PROB OF ISOL SH RAIN VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 5/6 WITH GUSTS BACK N 6 GUST WITH 8
INTENSITY BACK NW 5/4 BY 10/0900 PROB OF HVY SH RAIN SPELLS OF GOOD WEATHER VIS
MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): NE 5/6 GUST WITH 8 INTENSITY BACK N BACK
SECTOR W 4/3 BY 10/0600 PROB OF HVY RAIN IMPR STARTING EARLY MORNING MIST
DISSIPATING VIS POOR TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 4/5 WITH GUSTS BACK SECTOR W 4 MIST
DISSIPATING PROB OFHVY RAIN STARTING EVENING TOWARDS THE END OF THE PERIOD IMPR
VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 09/2100 DECR 5/4 BY
10/1200 PROB OF RAIN SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE OCNL
POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 4/6 WITH GUSTS INCR 8 WITH
GUSTS BY 09/1500 PROB OF ISOL RAIN STORMS VIS POOR OCNL VERY POOR
E OF 45W: SECTOR W 8 WITH GUSTS BACK SECTOR S 6/4 WITH GUSTS PROB OF ISOL RAIN
STORMS VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 4/3 BACK SECTOR E 3 PROB OF ISOL RAIN STARTING EARLY
MORNING VIS GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 4/6 WITH GUSTS BACK
SECTOR S 8 WITH GUSTS PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS
POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 8 WITH GUSTS DECR 6/5 WITH GUSTS BY 10/0600 PROB OF
RAIN STORMS IMPR STARTING EARLY MORNING VIS POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6 GUST WITH 8
INTENSITY DECR 5/3 BY 09/1800 VEER SECTOR W 3 BY 10/1200 PROB OF ISOL RAIN
DURING THE MORNING VIS POOR TO GOOD
REST OF THE AREA: SECTOR S 3 VEER SECTOR N 3/5 WITH GUSTS PROB OF ISOL SH RAIN
STARTING NIGTH VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SE 6 WITH GUSTS INCR
S 8 WITH GUSTS BY 09/1800 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY
POOR
W OF 30 - N OF 55S: SECTOR S 8 WITH GUSTS DECR 6/5 WITH GUSTS BY 10/0000 VEER
SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS POOR
OCNL VERY POOR
REST OF THE AREA: SECTOR S 4/5 WITH GUSTS VEER SECTOR W 5/6 WITH GUSTS PROB OF
ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55 - E OF 50W: SECTOR S 5/3 VEER
SECTOR W 4/5 WITH GUSTS PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD
OCNL MODERATE
S OF 55 - E OF 50W: SECTOR W 4/5 WITH GUSTS PROB OF ISOL RAIN STARTING EARLY
MORNING VIS MODERATE
N OF 55 - W OF 50W: SECTOR S 3 VEER SECTOR W VEER SECTOR N 4/6 WITH GUSTS BY
10/0600 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR W 4 VEER SECTOR N 3/4 PROB OF RAIN STARTING EARLY
MORNING VIS GOOD TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 4/5 WITH GUSTS DECR 4 BY 10/0900
PROB OF RAIN STARTING NIGTH VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 09, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
308/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 62S-64S 60W-50W UNTIL 09/2100
309/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 68S-75S 40W-30W UNTIL 10/2100
310/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-68S 40W-30W UNTIL 09/2100
311/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SW DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 60S-67S 90W-80W FROM 09/2100 UNTIL 11/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 67S 47W 63S 63W 60S 60W MOV E WKN
081400 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 A23K 5105S 03508W 10X7NM A76C 5911S 03707W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4857S 03327W 9X7NM B15AB 5303S 03336W 7X2NM ICEBERG1 5754S 03536W 3X2NM ICEBERG2 5137S 04023W 2X1NM ICEBERG3 5918S 04927W 3X2NM ICEBERG4 5122S 03809W 3X1NM ICEBERG5 4838S 03400W 3X2NM ICEBERG6 4822S 03401W 3X2NM 4.ICEBERGS AREA A 7303S 02000W 4600S 02000W 4400S 03000W 4500S 04300W 6200S 04300W B 6200S 04300W 5700S 04300W 5800S 05500W 6100S 05700W 6500S 05700W C 6500S 05700W 6100S 05700W 6100S 06200W 6500S 06716W 6644S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: VRB 3 INCR NE 5 BY 10/0000 VIS GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 6 WITH GUSTS DECR W 5 BY 09/1800 VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: VRB 3 INCR NE 5 BY 10/0000 VIS GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7/8 WITH GUSTS DECR SECTOR W 5 BY 09/1800 VIS GOOD
GERLACHE STRAIT : SECTOR E 3 INCR NE 4 BY 10/0600 PROB OF ISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR E 3 PROB OF COASTAL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 3/4 DECR SECTOR S 4 BY 09/1800 AFTERWARDS SECTOR E 3 BY 10/0600 PROB OF SCT MIST WORSENING DURING THE NIGTH VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: NE 7/6 WITH GUSTS INCR NE 8 WITH GUSTS BY 09/2100 DECR NE 5/4 BY 10/0900 PROB OF SCT RAIN IMPR GRADUALLY DURING THE EVENING VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3 INCR NE 6 WITH GUSTS BY 09/2100 PROB OF SCT RAIN WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA W OF 80W: NE 7 WITH GUSTS DECR NE 6 WITH GUSTS BY 09/2100 PROB OF SCT SH SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE
SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 4 INCR NE 5/6 BY 10/0600 PROB OF SCT RAIN IMPR DURING THE MORNING VIS GOOD OCNL MODERATE
NORTHERN WEDDELL SEA W OF 40W: SECTOR W 7 DECR SECTOR S 4 BY 09/2100 PROB OF ISOL RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR SECTOR S 7 WITH GUSTS BY 09/2100 PROB OF MIST PROB OFINTERMITTENT RAIN IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 8 WITH GUSTS VEER SE 8 WITH GUSTS BY 09/1500 PROB OF MIST PROB OFSCT SNOW FALL IMPR STARTING NOON VIS MODERATE=