1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 19, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 21:00UTC
RIDGE 60S 74W 62S 70W 64S 68W MOV NE WKN
LOW 992HPA 66S 90W MOV E DPN
TROUGH 62S 58W 64S 57W 66S 55W MOV E WKN
RIDGE 61S 50W 64S 49W 70S 48W MOV E WKN
181400 UTC 1.SEA ICE LIMIT 7154S 02000W 6600S 03005W 6737S 03005W 6144S 03252W 6050S 03918W 6145S 04430W 6205S 04951W 6346S 05402W 6307S 05725W 6354S 06153W 6440S 06432W 6632S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5037S 03505W 10X7NM A76C 5900S 03619W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4835S 03036W 9X7NM ICEBERG1 5812S 03538W 3X2NM ICEBERG2 4846S 03326W 3X2NM ICEBERG3 5236S 03311W 7X2NM ICEBERG4 4722S 03117W 3X1NM ICEBERG5 4843S 03136W 4X2NM ICEBERG6 4852S 03111W 4X1NM ICEBERG7 4847S 03054W 3X2NM ICEBERG8 4846S 03034W 2X2NM 4.ICEBERGS AREA A 6400S 02000W 4700S 02000W 4400S 03100W 6600S 03100W B 6600S 03100W 4500S 03100W 4500S 04200W 6151S 04200W C 6151S 04200W 5700S 04200W 5900S 05700W 6313S 05700W D 6313S 05700W 6000S 05700W 6500S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-20
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER SECTOR W 4/3 BY 19/1200 PROB OF MIST PROB OFISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VEER SW 4 BY 19/0900 AFTERWARDS SECTOR W 4/5 BY 19/1500 PROB OF MIST PROB OFISOL DRIZZLE RAIN IMPR DURING THE NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER SECTOR W 4/3 BY 19/1200 PROB OF MIST PROB OFISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VEER SW 4 BY 19/0900 AFTERWARDS SECTOR W 4/5 BY 19/1500 PROB OF MIST PROB OFISOL DRIZZLE RAIN IMPR DURING THE NOON VIS MODERATE TO GOOD
GERLACHE STRAIT : SECTOR N 3/4 BACK SW 4/5 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO POOR
MARGARITA BAY : SECTOR N 3 VEER NE 3/4 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SE 4/5 VEER SW 4/5 BY 19/0600 AFTERWARDS NE 4/5 BY 19/1200 PROB OF MIST FOG PATCHES IMPR GRADUALLY DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 4/5 INCR NW 6/7 WITH GUSTS BY 19/1200 PROB OF MIST FOG PATCHES PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3/4 VEER SECTOR W 4/5 BY 19/0600 AFTERWARDS NW 5/6 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 BACK NW 5 WITH GUSTS BY 19/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SE 7/5 WITH GUSTS VEER SW 6/5 WITH GUSTS BY 19/0600 AFTERWARDS SECTOR W 5/4 BY 19/2100 PROB OF MIST FOG PATCHES PROB OFMOD RAIN AND SNOW MIXTURE IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 3/4 VEER SW 4 BY 19/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 BACK SE 4/3 BY 19/2100 VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-19, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 111: LOW 973HPA AT 59S 41W MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM
SECTOR W WITH GUST BETWEEN 50S-60S AND 20W-50W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
181400 UTC 1.SEA ICE LIMIT 7154S 02000W 6600S 03005W 6737S 03005W 6144S 03252W
6050S 03918W 6145S 04430W 6205S 04951W 6346S 05402W 6307S 05725W 6354S 06153W
6440S 06432W 6632S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5037S 03505W 10X7NM
A76C 5900S 03619W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4835S 03036W 9X7NM
ICEBERG1 5812S 03538W 3X2NM ICEBERG2 4846S 03326W 3X2NM ICEBERG3 5236S 03311W
7X2NM ICEBERG4 4722S 03117W 3X1NM ICEBERG5 4843S 03136W 4X2NM ICEBERG6 4852S
03111W 4X1NM ICEBERG7 4847S 03054W 3X2NM ICEBERG8 4846S 03034W 2X2NM 4.ICEBERGS
AREA A 6400S 02000W 4700S 02000W 4400S 03100W 6600S 03100W B 6600S 03100W 4500S
03100W 4500S 04200W 6151S 04200W C 6151S 04200W 5700S 04200W 5900S 05700W 6313S
05700W D 6313S 05700W 6000S 05700W 6500S 06716W 6700S 06716W
LOW 973HPA 59S 41W MOV SE DPN EXTENDS CFNT AT 57S 26W 54S 26W 50S 32W MOV E
LOW 989HPA 55S 53W MOV E WKN
HIGH 1018HPA 41S 52W MOV SE WKN EXP 45S 42W BY 19/2100 EXTENDS RIDGE AT MAR DEL
PLATA COASTS
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-20
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR E 4 VIS GOOD
URUGUAY SOUTH EAST COASTS: SE 4 BACK E 4 BY 19/1500 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3/4 BACK NE 4 BY 19/1800 VIS
GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 5/4 WITH GUSTS PROB OF STORMS
STARTING EARLY MORNING VIS MODERATE TO VERY POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6/5 WITH GUSTS PROB OF STORMS
STARTING EARLY MORNING VIS MODERATE TO VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS BACK SECTOR S 4/5
BY 19/1800 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: SECTOR N 5/4 BACK SECTOR S 5 BY
19/1200 PROB OF SH STARTING EARLY MORNING VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER
SECTOR S 5/6 WITH GUSTS BY 19/1200 PROB OF SH RAIN STARTING EARLY MORNING VIS
MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 5 PROB OF ISOL RAIN VIS MODERATE
ISLAS MALVINAS COASTS: NW 6/5 DECR VRB 3 BY 19/1200 PROB OF SH RAIN STARTING
EVENING VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NE 6/5 WITH GUSTS PROB OF ISOL SH
STORMS VIS MODERATE OCNL POOR
W OF 30 - E OF 40W: SECTOR E 4 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS
GOOD OCNL MODERATE
W OF 40 - E OF 50W: SECTOR E 3 PROB OF SH RAIN VIS MODERATE
REST OF THE AREA: SE 5/4 PROB OF ISOL RAIN IMPR STARTING EVENING VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: NE 4 PROB OF SH VIS
MODERATE
E OF 30 - S OF 45S: NW 5 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: NW 4 DECR VRB 3 BY 19/0900 PROB OF ISOL RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SE 4/5 PROB OF
ISOL RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
REST OF THE AREA: NW 5/6 WITH GUSTS PROB OF SH STARTING EVENING VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 54S: NW 6/7 GUST WITH 8 INTENSITY
PROB OF ISOL RAIN VIS POOR
REST OF THE AREA: SECTOR W 9 WITH GUSTS PROB OF RAIN PROB OF SH OF SNOW VIS
VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: NW 6/5 WITH GUSTS DECR VRB 3
BY 19/2100 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
E OF 50 - S OF 55S: NW 8 WITH GUSTS BACK SECTOR S 7 WITH GUSTS DECR 5 BY
19/1200 PROB OF SH OF SNOW RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR
TO MODERATE
REST OF THE AREA: E 5 WITH GUSTS DECR VRB 3 BY 19/1200 PROB OF RAIN IMPR DURING
THE MORNING VIS MODERATE TO GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SE 6/5 DECR VRB 3 BY 19/1800 PROB OF RAIN
SPELLS OF GOOD WEATHER VIS MODERATE
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