1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-15, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 107: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST BETWEEN 45S-55S 40W-50W FROM 15/2100
WARNING 106: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH
GUST BETWEEN 35S-40S 25W-40W FROM 15/0900
WARNING 105: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR N
WITH GUST IN PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS SOUTH
PATAGONIA COASTS FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL
15/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 141400 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 5046S 03507W 10X7NM
A76C 5904S 03651W 16X7NM
3.ICEBERGS SMALLER THAN 10NM
A23A 4848S 03057W 9X7NM
ICEBERG1 5808S 03521W 3X2NM
ICEBERG2 5918S 04845W 2X1NM
ICEBERG3 4842S 03344W 3X2NM
ICEBERG4 5235S 03339W 7X2NM
ICEBERG5 4713S 03350W 3X1NM
ICEBERG6 4842S 03344W 4X2NM
ICEBERG7 4849S 03220W 4X1NM
ICEBERG8 4847S 03228W 3X2NM
ICEBERG9 4850S 03232W 2X1NM
ICEBERG10 4850S 03149W 4X2NM
ICEBERG11 4853S 03108W 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
HIGH 1026HPA 45S 27W NOT MOV NC
CFNT AT 52S 41W 57S 33W 60S 30W MOV E NC
STATIONARY FRONT 39S 61W 44S 55W 51S 46W 51S 43W
HIGH 1011HPA 54S 46W MOV SE WKN
LOW 983HPA 51S 70W MOV SE DPN EXP 54S 59W BY 16/0000
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-16
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 BACK N BY 15/1200 AFTERWARDS E BY 15/2100 VIS GOOD
OUTER RIO DE LA PLATA: NE 3 BACK N BY 15/1200 AFTERWARDS E BY 15/2100 VIS GOOD
URUGUAY SOUTH EAST COASTS: VRB 3 INCR NE 3/4 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 4 WITH GUSTS VIS GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5 WITH GUSTS DECR SE 4 BY
15/2100 PROB OF ISOL RAIN STORMS NXT HVY RAIN STORMS VIS MODERATE TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 7/8 WITH GUSTS BACK SECTOR W
5/4 WITH GUSTS BY 15/1800 AFTERWARDS SECTOR N 4 WITH GUSTS BY 15/2100 PROB OF
ISOL SH STORMS IMPR STARTING EVENING VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 8/7 WITH GUSTS BACK SECTOR W
6/5 WITH GUSTS BY 15/1500 PROB OF SH RAIN IMPR STARTING NOON VIS POOR TO
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 8/7 WITH GUSTS BACK SECTOR W 6
GUST WITH 8 INTENSITY BY 15/1500 PROB OF SH RAIN IMPR STARTING EVENING VIS POOR
TO MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 8/7 WITH GUSTS BACK SECTOR S 6/5
GUST WITH 8 INTENSITY BY 15/1800 PROB OF HVY RAIN IMPR TOWARDS THE END OF THE
PERIOD VIS VERY POOR TO POOR
ISLAS MALVINAS COASTS: SECTOR N 7 GUST WITH 8 INTENSITY BACK SECTOR W 6 GUST
WITH 8 INTENSITY BY 15/2100 PROB OF HVY RAIN IMPR TOWARDS THE END OF THE PERIOD
VIS POOR TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 25W: SECTOR E 5/6 GUST WITH 8 INTENSITY
WORSENING WITH PROB OF RAIN STORMS STARTING EVENING VIS MODERATE TO POOR
E OF 40W: SECTOR E 6/7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS PROB OF HVY RAIN
STORMS VIS VERY POOR TO POOR
E OF 50W: NE 5/4 WITH GUSTS PROB OF SH STORMS VIS POOR TO MODERATE
REST OF THE AREA: VRB 3 INCR NE 3/4 WITH GUSTS BY 15/1800 PROB OF ISOL RAIN VIS
GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR E 3/5 WITH GUSTS VIS
GOOD
E OF 30 - S OF 45S: VRB 3 VIS GOOD
REST OF THE AREA: SECTOR N 3/4 VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR N 4/5 WITH
GUSTS INCR 6 GUST WITH 8 INTENSITY BY 15/1800 LOW PROB OF SH VIS GOOD TO
MODERATE
W OF 50 - N OF 45S: SECTOR N 5/7 GUST WITH 8 INTENSITY PROB OF HVY RAIN STORMS
NXT SH RAIN VIS VERY POOR TO POOR
E OF 50 - S OF 45S: SECTOR N 6 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY
15/2100 WORSENING WITH PROB OF HVY RAIN STORMS STARTING EVENING VIS MODERATE TO
VERY POOR
REST OF THE AREA: NE 5/6 GUST WITH 8 INTENSITY BACK NW 5 WITH GUSTS BY 15/1800
PROB OF HVY RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: NW 4 INCR 5 WITH GUSTS PROB OF
ISOL SH RAIN VIS MODERATE
E OF 30 - S OF 55S: SECTOR W 7 GUST WITH 8 INTENSITY DECR 5/4 BY 15/1500 PROB
OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER NE 5 WITH GUSTS BY 15/1800
WORSENING WITH PROB OF SH RAIN STARTING EVENING VIS GOOD TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SECTOR E 4 BACK
SECTOR N 5/6 GUST WITH 8 INTENSITY BY 15/0900 INCR 8 WITH GUSTS BY 15/2100 PROB
OF HVY RAIN STORMS VIS MODERATE TO VERY POOR
E OF 50 - S OF 55S: VRB 4 INCR NE 5/6 GUST WITH 8 INTENSITY BY 15/1200
WORSENING WITH PROB OF SH RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO
MODERATE OCNL POOR
W OF 50 - N OF 55S: NE 6 GUST WITH 8 INTENSITY BACK NW 7 GUST WITH 8 INTENSITY
BY 15/2100 WORSENING WITH PROB OF HVY RAIN FROM 15/1500 VIS MODERATE TO VERY
POOR
REST OF THE AREA: SECTOR N 5/6 GUST WITH 8 INTENSITY VEER SECTOR E 5/4 BY
15/1800 WORSENING WITH PROB OF ISOL RAIN VIS GOOD TO MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 8/7 WITH GUSTS VEER NE 6/5 GUST
WITH 8 INTENSITY BY 15/1200 DECR VRB 4 BY 15/2100 PROB OF HVY RAIN VIS POOR OCNL
MODERATE
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 15, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
343/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 61S-66S 50W-30W UNTIL 15/1200
344/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT EREBUS Y TERROR GULF MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 60S-65S 70W-55W FROM 15/0300 UNTIL 16/0000
345/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E VEER SECTOR S WITH GUST IN 61S-65S 85W-75W FROM 15/0900 UNTIL 16/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 970HPA 60S 78W MOV SE DPN
LOW 976HPA 70S 35W MOV E DPN
RIDGE 60S 52W 63S 53W 65S 55W MOV E WKN
141400 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 5046S 03507W 10X7NM A76C 5904S 03651W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4848S 03057W 9X7NM ICEBERG1 5808S 03521W 3X2NM ICEBERG2 5918S 04845W 2X1NM ICEBERG3 4842S 03344W 3X2NM ICEBERG4 5235S 03339W 7X2NM ICEBERG5 4713S 03350W 3X1NM ICEBERG6 4842S 03344W 4X2NM ICEBERG7 4849S 03220W 4X1NM ICEBERG8 4847S 03228W 3X2NM ICEBERG9 4850S 03232W 2X1NM ICEBERG10 4850S 03149W 4X2NM ICEBERG11 4853S 03108W 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 2026-03-16
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 5/7 WITH GUSTS BACK SECTOR N 7/8 GUST WITH 9 INTENSITY BY 15/0600 AFTERWARDS NE 6/5 WITH GUSTS BY 15/2100 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: NW 5/6 WITH GUSTS VEER SECTOR N 7/8 BY 15/0900 AFTERWARDS NE 6/5 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: NE 5/7 WITH GUSTS BACK SECTOR N 7/8 GUST WITH 9 INTENSITY BY 15/0600 AFTERWARDS NE 6/5 WITH GUSTS BY 15/2100 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: NW 5/6 WITH GUSTS VEER SECTOR N 7/8 WITH GUSTS BY 15/0900 AFTERWARDS NE 6/5 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 5/6 WITH GUSTS VEER SECTOR E 7/8 BY 15/0900 AFTERWARDS NE 7 WITH GUSTS BY 15/2300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : SECTOR N 4/3 VEER NE 3/4 BY 15/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SECTOR N 4/5 BACK NW 7/8 BY 15/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR E 3/4 VEER SE 5/7 GUST WITH 8 INTENSITY BY 15/0600 AFTERWARDS SECTOR S 8 WITH GUSTS BY 15/1200 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 3/4 VEER SW 5 BY 15/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 VEER SW 4/3 BY 15/1200 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 66S: SECTOR W 6/8 GUST WITH 8 INTENSITY VEER NW 6/5 WITH GUSTS BY 15/0900 PROB OF MIST FOG PATCHES PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/5 INCR SW 6 WITH GUSTS BY 15/0900 AFTERWARDS SECTOR W 4/5 BY 15/1800 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS MORNING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SW 6 WITH GUSTS BY 15/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR=