1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-24, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 125: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM NW WITH GUST
IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS
MALVINAS COASTS FROM 25/0300
WARNING 122: LOW 960HPA AT 57S 62W MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS
COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 25/0000
WARNING 121: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 50S-60S AND 40W-60W
WARNING 119: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 50S-55S AND 40W-20W UNTIL 24/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 960HPA 57S 62W MOV SE DPN EXTENDS CFNT AT 57S 62W 47S 60W 40S 65W MOV E
LOW 1002HPA 39S 47W MOV SE DPN EXP 44S 33W BY 25/1200 EXTENDS OFNT AT 39S 47W
38S 50W 37S 49W MOV SE
LOW 981HPA 52S 29W MOV E WKN
241400 UTC 1.SEA ICE LIMIT 7127S 02000W 6707S 03002W 6121S 03242W 6107S 03816W
6123S 04347W 6212S 05011W 6347S 05346W 6309S 05529W 6354S 05659W 6341S 06040W
6504S 06406W 6621S 06717W 2.ICEBERGS GREATER THAN 10NM A76C 5856S 03633W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5809S 03520W 3X2NM ICEBERG2 5202S 03247W
7X2NM ICEBERG3 4755S 03106W 3X1NM ICEBERG4 4847S 03022W 4X2NM ICEBERG5 4826S
03008W 4X1NM ICEBERG6 4831S 03011W 3X2NM ICEBERG7 4826S 02955W 2X2NM ICEBERG8
4527S 03134W 3X2NM ICEBERG9 4832S 03037W 9X7NM ICEBERG10 5013S 03402W 9X7NM
4.ICEBERGS AREA A 6500S 02000W 4600S 02000W 4600S 03700W 6135S 03700W B 6135S
03700W 4600S 03700W 5700S 05000W 6230S 05000W C 6230S 05000W 5700S 05000W 6500S
06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-25
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 3 VEER SECTOR N VIS GOOD
OUTER RIO DE LA PLATA: SW 3/4 VEER N 3 VIS GOOD
URUGUAY SOUTH EAST COASTS: SW 4/3 BACK SECTOR E 3 BACK SECTOR N VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SW 4 VEER NW 3 VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 3/4 BACK SECTOR S 4/5 WITH GUSTS
VEER SECTOR W 4 PROB OF RAIN SPELLS OF GOOD WEATHER STARTING NIGTH VIS GOOD TO
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 4/5 WITH GUSTS BACK SECTOR S
VEER NW 5/6 WITH GUSTS PROB OF ISOL RAIN STARTING EVENING VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 6 INCR 8 WITH GUSTS BY 25/0300
VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 8/6 WITH GUSTS VEER NW 8 WITH
GUSTS BY 25/0300 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 8/6 WITH GUSTS INCR NW 8 WITH GUSTS
BY 25/0300 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
ISLAS MALVINAS COASTS: SECTOR W 6/8 WITH GUSTS VEER NW 6/8 WITH GUSTS BY 25/0300
PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 45W: SECTOR N 4/6 WITH GUSTS BACK SECTOR
W 5 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SECTOR S 4/3 PROB OF RAIN DURING
THE MORNING VIS MODERATE TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR W 5/3 VEER
SECTOR N 4 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE
E OF 30 - N OF 45S: SECTOR E 5/6 WITH GUSTS VEER NW WITH GUSTS PROB OF RAIN
STORMS IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6 GUST WITH 8 INTENSITY VEER SECTOR N 3/4 PROB OF
ISOL RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45 - E OF 50W: SECTOR E 6 WITH
GUSTS VEER SECTOR S 6/5 WITH GUSTS PROB OF RAIN STORMS IMPR STARTING EARLY
MORNING VIS MODERATE OCNL POOR
S OF 45 - E OF 50W: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 5 PROB OF ISOL RAIN
STARTING NIGTH VIS MODERATE
REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK SECTOR W GUST WITH 8 INTENSITY
PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - S OF 55S: SECTOR S 6 WITH
GUSTS BACK SECTOR E 5 BACK N 5/6 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE IMPR
STARTING EVENING VIS MODERATE OCNL POOR
E OF 30 - S OF 55S: SECTOR N 4/6 GUST WITH 8 INTENSITY PROB OF RAIN STARTING
EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 8/6 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS BY
24/1800 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS POOR TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR N 8 WITH GUSTS PROB OF RAIN
SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8/6 WITH GUSTS VEER NW 6 WITH GUSTS
BY 25/0000 PROB OF RAIN SNOW FALL VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 24, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
383/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 60S-65S 70W-55W UNTIL 25/0000
384/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY VEER NE IN 63S-66S 60W-50W FROM 24/0300 UNTIL 25/0300
385/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 10 INTENSITY IN 64S-69S 70W-65W UNTIL 24/2100
386/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR S GUST WITH 9 INTENSITY IN 60S-65S 28W-72W UNTIL 24/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 960HPA 61S 75W MOV SE DPN EXTENDS CFNT AT 61S 75W 63S 73W 65S 68W
HIGH 996HPA 65S 39W MOV E WKN
231400 UTC 1.SEA ICE LIMIT 7127S 02000W 6707S 03002W 6121S 03242W 6107S 03816W 6123S 04347W 6212S 05011W 6347S 05346W 6309S 05529W 6354S 05659W 6341S 06040W 6504S 06406W 6621S 06717W 2.ICEBERGS GREATER THAN 10NM A76C 5850S 03627W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4832S 03038W 9X7NM A23K 5010S 03359W 10X7NM ICEBERG1 5816S 03521W 3X2NM ICEBERG2 4855S 03338W 3X2NM ICEBERG3 5208S 03244W 7X2NM ICEBERG4 4740S 03057W 3X1NM ICEBERG5 4847S 03022W 4X2NM ICEBERG6 4826S 03008W 4X1NM ICEBERG7 4831S 03011W 3X2NM ICEBERG8 4826S 02955W 2X2NM ICEBERG9 4528S 02955W 3X2NM 4.ICEBERGS AREA A 6500S 02000W 4600S 02000W 4600S 03700W 6135S 03700W B 6135S 03700W 4600S 03700W 5700S 05000W 6230S 05000W C 6230S 05000W 5700S 05000W 6500S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-25
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 7/8 GUST WITH 9 INTENSITY DECR NE 7 BY 24/1200 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 5/7 VEER SECTOR E 10 WITH GUSTS BY 24/0900 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE NIGTH VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: NE 7/8 GUST WITH 9 INTENSITY DECR NE 7 BY 24/1200 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 5/7 VEER SECTOR E 10 WITH GUSTS BY 24/0900 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE NIGTH VIS MODERATE TO VERY POOR
GERLACHE STRAIT : NE 7/8 GUST WITH 9 INTENSITY DECR SECTOR E 7/6 BY 24/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : NE 7/8 GUST WITH 9 INTENSITY INCR SECTOR E 9 WITH GUSTS BY 24/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR
EREBUS Y TERROR GULF : NW 4/5 INCR NW 7/8 GUST WITH 8 INTENSITY BY 24/0600 AFTERWARDS SECTOR E 8 GUST WITH 9 INTENSITY BY 24/1800 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80 - N OF 65S: SECTOR W 7/5 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY 24/1200 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA E OF 80 - N OF 65S: SECTOR S 7/8 WITH GUSTS VEER SW 6/5 WITH GUSTS BY 24/0900 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 BACK SECTOR S 6 BY 24/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 3/4 VEER SE 5 BY 24/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA W OF 40W: SECTOR E 3/4 BACK NE 4/5 BY 24/0900 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SE 6/5 VEER SECTOR W 4/5 BY 24/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 4/5 BY 24/1200 VIS GOOD=