1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-02, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 90: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST
IN GOLFO DE SAN JORGE COASTS UNTIL 02/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
011400 UTC 1.SEA ICE LIMIT 7248S 02000W 7208S 02801W 6802S 03036W 6109S 03153W
7447S 03246W 7605S 03429W 7246S 03550W 6115S 03936W 6100S 04748W 6255S 05618W
6411S 06321W 6628S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4748S 03204W 10X11NM
A23K 5121S 03617W 11X8NM A76C 5926S 03750W 16X7NM B15AB 5338S 03350W 10X4NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4957S 02315W 3X1NM ICEBERG2 5806S 03544W
5X2NM ICEBERG3 5149S 04035W 2X1NM ICEBERG4 5905S 04930W 5X4NM ICEBERG5 5022S
03934W 4X2NM ICEBERG6 5805S 03546W 3X1NM ICEBERG7 4823S 03318W 3X2NM 4.ICEBERGS
AREA A 6500S 02000W 4300S 02000W 4227S 02635W 4845S 03610W 6150S 03627W B 6150S
03627W 4900S 03610W 5100S 04400W 6155S 04800W C 6155S 04800W 5645S 04530W 6225S
06716W 6630S 06716W
HIGH 1020HPA 40S 45W MOV SE INTSF EXP 43S 36W BY 03/1200
LOW 985HPA 52S 62W MOV SE DPN EXTENDS CFNT AT 52S 62W 44S 61W 41S 63W MOV SE EXP
60S 30W 56S 36W 53S 38W BY 03/1200 ASOCIATED WITH OFNT AT 52S 62W 52S 71W 47S
69W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-3
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4 VEER SECTOR E 3/4 BY 02/1800 BACK SECTOR N 4/3
BY 3/0600 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 5 WITH GUSTS VEER SECTOR E 5/6 WITH GUSTS BY
02/1800 BACK SECTOR N 5/4 BY 3/0600 VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR N 5/6 WITH GUSTS VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 WITH GUSTS INCR 6/7 WITH
GUSTS BY 02/2100 DECR 5/4 WITH GUSTS BY 3/0900 WORSENING TOWARDS THE END OF THE
PERIOD VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS BACK SECTOR S
6/7 WITH GUSTS BY 02/2100 VEER SECTOR W 3/4 BY 3/0600 PROB OF HVY STORMS IMPR
STARTING EARLY MORNING VIS VERY POOR TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): VRB 3/4 VEER SECTOR N 5 WITH GUSTS BY
02/2100 BACK SECTOR W 4/3 BY 3/0600 PROB OF RAIN STORMS IMPR STARTING NIGTH VIS
POOR TO GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 7/8 WITH GUSTS VEER SECTOR N 5
WITH GUSTS BY 02/1800 BACK SECTOR W 5 WITH GUSTS BY 3/0300 VIS VERY POOR TO
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NW 6/7 WITH GUSTS BACK SECTOR S WITH GUSTS
BY 02/1800 VEER SECTOR N 5/6 WITH GUSTS BY 3/0600 PROB OF SH DURING THE MORNING
WORSENING TOWARDS THE END OF THE PERIOD VIS POOR OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR E 5/6 WITH GUSTS VEER SECTOR S 6/7
WITH GUSTS BY 02/1500 VEER SECTOR N 5/4 WITH GUSTS BY 3/0900 PROB OF HVY RAIN
IMPR STARTING EVENING VIS POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SECTOR N 5/7 WITH GUSTS BACK SECTOR W 5/6 WITH GUSTS BY
3/0000 DECR 5/4 BY 3/0900 PROB OF RAIN IMPR STARTING NOON PROB OF SH STARTING
NIGTH VIS POOR TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 6/7 WITH GUSTS VEER VRB
3/4 BY 3/0600 PROB OF HVY RAIN STORMS VIS VERY POOR TO POOR
E OF 50W: SECTOR S 6/5 WITH GUSTS BACK SECTOR E 5/4 BY 3/0300 VIS MODERATE TO
GOOD
REST OF THE AREA: SECTOR N 4/5 WITH GUSTS VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR S 5/6 WITH GUSTS DECR
5/3 BY 3/0600 PROB OF STORMS IMPR GRADUALLY VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 3/4 VEER NW BY 02/2100 VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 5/6 WITH GUSTS PROB OF ISOL
RAIN STORMS VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5/6 WITH GUSTS DECR 5/4 WITH
GUSTS BY 02/2100 VEER SECTOR N 6/7 WITH GUSTS BY 3/0000 PROB OF ISOL RAIN DURING
THE MORNING PROB OF RAIN STARTING EARLY MORNING VIS POOR OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR N 5/6 WITH GUSTS PROB
OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS MODERATE
REST OF THE AREA: SECTOR E 4/5 BACK SECTOR N 5/6 WITH GUSTS BY 3/0000 VEER
SECTOR S 4/5 BY 3/0300 PROB OF RAIN STARTING NOON IMPR STARTING EARLY MORNING
VIS MODERATE OCNL GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): NE 4 VEER SECTOR S 4/5 BY 02/2100 BACK
SECTOR N 4/5 BY 3/0600 PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS MODERATE
OCNL GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 02, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
264/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 65S-70S 50W-30W UNTIL 02/2000
265/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST IN 67S-69S 74W-67W FROM 03/1200 UNTIL 04/0000
266/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA WILL PROVOKE WINDS FORCE 8 FROM SW IN 61S-66S 40W-30W FROM 03/1800 UNTIL 04/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 978HPA 66S 46W MOV NE WKN
RIDGE 60S 60W 62S 61W 65S 62W MOV E NC
011400 UTC 1.SEA ICE LIMIT 7248S 02000W 7208S 02801W 6802S 03036W 6109S 03153W 7447S 03246W 7605S 03429W 7246S 03550W 6115S 03936W 6100S 04748W 6255S 05618W 6411S 06321W 6628S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4748S 03204W 10X11NM A23K 5121S 03617W 11X8NM A76C 5926S 03750W 16X7NM B15AB 5338S 03350W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4957S 02315W 3X1NM ICEBERG2 5806S 03544W 5X2NM ICEBERG3 5149S 04035W 2X1NM ICEBERG4 5905S 04930W 5X4NM ICEBERG5 5022S 03934W 4X2NM ICEBERG6 5805S 03546W 3X1NM ICEBERG7 4823S 03318W 3X2NM 4.ICEBERGS AREA A 6500S 02000W 4300S 02000W 4227S 02635W 4845S 03610W 6150S 03627W B 6150S 03627W 4900S 03610W 5100S 04400W 6155S 04800W C 6155S 04800W 5645S 04530W 6225S 06716W 6630S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-3
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: VRB 3 INCR NE 4/6 BY 3/0600 PROB OF MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4 DECR VRB 3 BY 02/2100 PROB OF MIST IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: VRB 3 INCR NE 4/6 BY 3/0600 PROB OF MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4 DECR VRB 3 BY 02/2100 PROB OF MIST IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : VRB 3 INCR SECTOR N 4 BY 02/1500 PROB OF MIST VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 4 INCR NE 6/7 BY 3/0300 PROB OF MIST PROB OFCOASTAL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF W OF 55W: SW 5 DECR SW 4/3 BY 02/1800 PROB OF FOG AND MIST IN PATCHES PROB OF MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF REST OF THE AREA: SECTOR W 7 DECR SW 5 BY 02/2100 PROB OF ISOL RAIN AND SNOW MIXTURE IMPR GRADUALLY DURING THE MORNING VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA E OF 80W: NW 5/6 VEER SECTOR E 6 BY 3/0000 PROB OF MIST PROB OFISOL RAIN WORSENING DURING THE EVENING VIS MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 5/4 INCR SW 7/6 BY 3/0600 PROB OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 5 INCR NW 6 BY 3/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA N OF 65S: NW 10 WITH GUSTS BY 02/0600 DECR SECTOR W 7 BY 3/0000 PROB OF MIST VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NW 10 DECR SECTOR E 6/5 PROB OF MOD SNOW FALL VIS MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): VRB 3 INCR SECTOR E 4 BY 3/0600 PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO GOOD=