1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-16, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 106: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR E WITH
GUST BETWEEN 35S-40S AND 20W-35W UNTIL 16/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
151400 UTC 1.SEA ICE LIMIT 7210S 02000W 7347S 02616W 6910S 03136W 6100S 03611W
6450S 03620W 6118S 04202W 6200S 04709W 6214S 05113W 6329S 05350W 6348S 06053W
6501S 06414W 6634S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5037S 03505W 10X7NM
A76C 5904S 03651W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4843S 03046W 9X7NM
ICEBERG1 5808S 03521W 3X2NM ICEBERG2 5919S 04850W 2X1NM ICEBERG3 4843S 03341W
3X2NM ICEBERG4 5232S 03336W 7X2NM ICEBERG5 4713S 03350W 3X1NM ICEBERG6 4842S
03344W 4X2NM ICEBERG7 4848S 03157W 4X1NM ICEBERG8 4845S 03208W 3X2NM ICEBERG9
4847S 03217W 2X1NM ICEBERG10 4848S 03126W 4X2NM ICEBERG11 4849S 03050W 2X2NM
4.ICEBERGS AREA A 4500S 02000W 7000S 02000W 6100S 04600W 4400S 04500W B 6200S
04500W 5500S 04500W 6600S 05900W 6000S 06000W C 6000S 06000W 6500S 05900W 6900S
06716W 6400S 06716W
LOW 981HPA 53S 60W DPN EXP BY 17/0000 EXTENDS CFNT AT RINCON BAHIA BLANCA COASTS
MOV E EXP MAR DEL PLATA COASTS BY 16/1200
HIGH 1029HPA 47S 25W MOV E NC EXP 47S 23W BY 17/0000 EXTENDS RIDGE AT 55S 30W
58S 33W 60S 37W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-17
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 5 BACK SECTOR N BY 16/0900 VEER SECTOR E 5/6
WITH GUSTS BY 16/1800 PROB OF ISOL RAIN STORMS STARTING EARLY MORNING IMPR
TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR E 6 WITH GUSTS BACK SECTOR N BY 16/0600 VEER
SECTOR E 6/7 GUST WITH 8 INTENSITY BY 16/1800 PROB OF ISOL RAIN STORMS STARTING
EARLY MORNING IMPR TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: NE 6 WITH GUSTS VEER E BY 16/2100 PROB OF ISOL RAIN
STORMS IMPR TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 6 WITH GUSTS TEMPO BACK SECTOR S
BY 16/1200 PROB OF HVY RAIN STORMS STARTING EARLY MORNING SPELLS OF GOOD WEATHER
VIS MODERATE TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6 WITH GUSTS BACK SECTOR N
BY 16/1200 PROB OF HVY RAIN STORMS SPELLS OF GOOD WEATHER VIS POOR OCNL
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR W 5 VEER SECTOR N 5/6 WITH GUSTS
BY 16/0300 INCR 7 GUST WITH 8 INTENSITY BY 16/2100 PROB OF ISOL RAIN STORMS
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5 WITH GUSTS VEER SECTOR N 6
WITH GUSTS BY 16/0900 PROB OF ISOL SH RAIN STARTING EVENING VIS GOOD TO
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 6 WITH GUSTS VEER SECTOR E BY
16/1800 PROB OF RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL
POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 5 WITH GUSTS VEER SECTOR W 6 WITH
GUSTS BY 16/0600 VEER SECTOR E 5 BY 16/1500 LOW PROB OF ISOL RAIN IMPR DURING
THE EARLY MORNING VIS MODERATE TO GOOD
ISLAS MALVINAS COASTS: SECTOR W 6 WITH GUSTS VEER SECTOR N 5 BY 16/1500 LOW PROB
OF ISOL RAIN IMPR DURING THE EARLY MORNING VIS MODERATE OCNL GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR E 8 WITH GUSTS DECR 7 GUST
WITH 8 INTENSITY BY 16/1200 PROB OF RAIN STORMS VIS VERY POOR TO POOR
W OF 35 - E OF 40W: SE 6 WITH GUSTS PROB OF ISOL RAIN IMPR TOWARDS THE END OF
THE PERIOD VIS MODERATE OCNL POOR
W OF 40 - E OF 50W: SECTOR N 5/6 WITH GUSTS LOW PROB OF DRIZZLE VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR N 6 WITH GUSTS VEER SECTOR E BY 16/2300 LOW PROB OF
ISOL RAIN STORMS STARTING EVENING VIS GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR E 6/7 WITH GUSTS PROB
OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
E OF 30 - S OF 45S: VRB 3/4 INCR SECTOR N 5 BY 16/2100 VIS GOOD
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS PROB OF ISOL RAIN STARTING EVENING
VIS GOOD TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR N 6 WITH
GUSTS LOW PROB OF DRIZZLE VIS GOOD OCNL MODERATE
E OF 50 - S OF 45S: SECTOR N 7/6 GUST WITH 8 INTENSITY DECR 5 BY 16/2100 PROB
OF RAIN VIS POOR OCNL VERY POOR TO MODERATE
W OF 50 - N OF 45S: SECTOR N 6 WITH GUSTS TEMPO BACK SECTOR S 7 WITH GUSTS BY
16/0600 PROB OF RAIN STORMS VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: NW 6 WITH GUSTS VEER N BY 16/1200 PROB OF RAIN IMPR DURING
THE EARLY MORNING VIS POOR OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 5/6 WITH GUSTS VEER
SECTOR N BY 16/1800 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 6/7 GUST WITH 8 INTENSITY PROB OF RAIN VIS POOR OCNL
VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SECTOR N 6/7 GUST
WITH 8 INTENSITY BACK SECTOR W 6 WITH GUSTS BY 16/1800 PROB OF RAIN IMPR TOWARDS
THE END OF THE PERIOD VIS POOR OCNL VERY POOR TO MODERATE
E OF 50 - S OF 55S: SECTOR E 6 WITH GUSTS BACK SECTOR N 7 GUST WITH 8 INTENSITY
BY 16/0900 BACK SECTOR W 6 BY 16/2100 PROB OF RAIN IMPR TOWARDS THE END OF THE
PERIOD VIS POOR OCNL VERY POOR TO MODERATE
W OF 50 - N OF 55S: SECTOR N 7 GUST WITH 8 INTENSITY BACK SECTOR W 6 WITH GUSTS
BY 16/0900 VEER SECTOR N 5 BY 16/2100 PROB OF RAIN IMPR STARTING EARLY MORNING
VIS POOR OCNL VERY POOR TO GOOD
REST OF THE AREA: SECTOR E 5 WITH GUSTS DECR VRB 3 BY 16/1200 INCR SECTOR W 6
WITH GUSTS BY 16/2100 PROB OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR
TO MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6 WITH GUSTS VEER SECTOR E 5 BY
16/2300 PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL
POOR TO GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 16, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
350/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV N WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN 61S-66S 90W-75W UNTIL 16/1200
351/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 64S-67S 70W-66W UNTIL 16/0600
352/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 61S-65S 50W-40W UNTIL 15/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 962HPA 61S 78W MOV SE DPN
RIDGE 60S 35W 65S 40W 68S 41W MOV E WKN
151400 UTC 1.SEA ICE LIMIT 7210S 02000W 7347S 02616W 6910S 03136W 6100S 03611W 6450S 03620W 6118S 04202W 6200S 04709W 6214S 05113W 6329S 05350W 6348S 06053W 6501S 06414W 6634S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5037S 03505W 10X7NM A76C 5904S 03651W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4843S 03046W 9X7NM ICEBERG1 5808S 03521W 3X2NM ICEBERG2 5919S 04850W 2X1NM ICEBERG3 4843S 03341W 3X2NM ICEBERG4 5232S 03336W 7X2NM ICEBERG5 4713S 03350W 3X1NM ICEBERG6 4842S 03344W 4X2NM ICEBERG7 4848S 03157W 4X1NM ICEBERG8 4845S 03208W 3X2NM ICEBERG9 4847S 03217W 2X1NM ICEBERG10 4848S 03126W 4X2NM ICEBERG11 4849S 03050W 2X2NM 4.ICEBERGS AREA A 4500S 02000W 7000S 02000W 6100S 04600W 4400S 04500W B 6200S 04500W 5500S 04500W 6600S 05900W 6000S 06000W C 6000S 06000W 6500S 05900W 6900S 06716W 6400S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-17
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 6/5 WITH GUSTS VEER SECTOR E 4/3 BY 16/0900 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 5/4 VEER SECTOR E 4 BY 16/0600 AFTERWARDS SE 5/6 WITH GUSTS BY 16/1500 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: NE 6/5 WITH GUSTS VEER SECTOR E 4/3 BY 16/0900 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 5/4 VEER SECTOR E 4 BY 16/0600 AFTERWARDS SE 5/6 WITH GUSTS BY 16/1500 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
GERLACHE STRAIT : SECTOR E 7/8 GUST WITH 9 INTENSITY VEER SE 5/4 BY 16/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO POOR
MARGARITA BAY : SECTOR E 4/3 VEER NE 3/4 BY 16/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SECTOR N 7/8 WITH GUSTS VEER NE 6/5 BY 16/0900 AFTERWARDS SECTOR S 5/6 BY 16/1500 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 78 - N OF 66S: SECTOR S 7/8 GUST WITH 9 INTENSITY DECR SECTOR S 6/5 WITH GUSTS BY 16/0600 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 VEER SW 5/4 BY 16/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3/4 VEER NW 4/3 BY 16/1500 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA W OF 40W: NE 4/5 WITH GUSTS INCR NE 7/8 WITH GUSTS BY 16/0600 AFTERWARDS SECTOR E 8 WITH GUSTS BY 16/1200 PROB OF MIST FOG PATCHES PROB OFMOD RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 VEER NE 6/7 GUST WITH 8 INTENSITY BY 16/0900 AFTERWARDS SECTOR E 8 GUST WITH 9 INTENSITY BY 16/1500 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 5/6 WITH GUSTS VEER SECTOR W 5/4 BY 16/1200 PROB OF FOG MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE=