1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 30, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
419/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST IN 60S-65S 90W-80W UNTIL 31/0000
420/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING PROVOKES WINDS FORCE 9 WITH GUST IN 60S-66S 80W-70W UNTIL 31/0000
421/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 66S-69S 70W-65W FROM 30/1800 UNTIL 31/0900
422/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING PROVOKES WINDS FORCE 9 WITH GUST IN 60S-64S 70W-50W UNTIL 31/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
RIDGE 65S 44W 63S 43W 60S 42W MOV E WKN
LOW 944HPA 65S 81W MOV SE WKN
LOW 976HPA 63S 61W MOV SE DPN
LOW 983HPA 70S 54W MOV E WKN
LOW 989HPA 63S 38W MOV E WKN
291400 UTC 1.SEA ICE LIMIT 7052S 02000W 6617S 03023W 6130S 03147W 6244S 03258W 6135S 04305W 6245S 05035W 6257S 05513W 6434S 05528W 6408S 06334W 6525S 06541W 6558S 06643W 6610S 06717W 2.ICEBERGS GREATER THAN 10NM A76C 5911S 03635W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5137S 03244W 5X2NM ICEBERG2 4839S 03221W 3X1NM ICEBERG3 4815S 02954W 4X1NM ICEBERG4 4824S 03002W 3X2NM ICEBERG5 4755S 02920W 2X2NM ICEBERG6 4829S 03023W 9X7NM ICEBERG7 5005S 03422W 9X7NM ICEBERG8 5002S 03005W 3X1NM 4.ICEBERGS AREA A 7200S 02000W 4200S 02000W 4300S 04000W 6200S 04000W B 4500S 04000W 6200S 04000W 5800S 05000W 6500S 05100W C 5800S 05000W 6500S 05100W 6300S 06716W 6900S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 9 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 8 GUST WITH 9 INTENSITY DECR NW 6/5 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 9 WITH GUSTS BACK SECTOR W 7 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 8 GUST WITH 9 INTENSITY DECR NW 6/5 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 10 WITH GUSTS DECR NE 6/5 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
MARGARITA BAY : SECTOR E 6/7 GUST WITH 8 INTENSITY INCR SECTOR E 8 WITH GUSTS BY 31/0000 PROB OF ISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : NW 5/7 WITH GUSTS BACK SW 5 WITH GUSTS BY 30/1800 AFTERWARDS NW 6/7 BY 31/0000 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 65S: SECTOR W 9 WITH GUSTS DECR NW 7/5 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 8 WITH GUSTS VEER SECTOR E 9 BY 30/1800 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 7 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA W OF 40W: SECTOR N 4/5 WITH GUSTS BACK NW 7/8 BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NE 7 GUST WITH 8 INTENSITY BACK SECTOR W 5/4 BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4 VEER SECTOR S 5/6 BY 30/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-30, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
291400 UTC 1.SEA ICE LIMIT 7052S 02000W 6617S 03023W 6130S 03147W 6244S 03258W
6135S 04305W 6245S 05035W 6257S 05513W 6434S 05528W 6408S 06334W 6525S 06541W
6558S 06643W 6610S 06717W 2.ICEBERGS GREATER THAN 10NM A76C 5911S 03635W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5137S 03244W 5X2NM ICEBERG2 4839S 03221W
3X1NM ICEBERG3 4815S 02954W 4X1NM ICEBERG4 4824S 03002W 3X2NM ICEBERG5 4755S
02920W 2X2NM ICEBERG6 4829S 03023W 9X7NM ICEBERG7 5005S 03422W 9X7NM ICEBERG8
5002S 03005W 3X1NM 4.ICEBERGS AREA A 7200S 02000W 4200S 02000W 4300S 04000W
6200S 04000W B 4500S 04000W 6200S 04000W 5800S 05000W 6500S 05100W C 5800S
05000W 6500S 05100W 6300S 06716W 6900S 06716W
HIGH 1029HPA 40S 40W MOV E EXP 37S 35W BY 31/1200
CFNT AT 59S 33W 55S 32W 49S 38W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-31
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 4/5 FOG MIST DISSIPATING PROB OFISOL RAIN VIS
MODERATE OCNL POOR
OUTER RIO DE LA PLATA: SECTOR E 4/5 FOG MIST DISSIPATING PROB OFISOL RAIN VIS
MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 4/5 FOG MIST DISSIPATING PROB OFISOL RAIN
VIS MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 WITH GUSTS FOG MIST
DISSIPATING VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS FOG MIST
DISSIPATING PROB OF SH RAIN DURING THE EARLY MORNING VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 PROB OF SH RAIN DURING THE
NIGTH VIS GOOD TO MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS PROB OF ISOL
RAIN DURING THE NIGTH VIS GOOD TO MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 3/4 INCR 5/6 WITH GUSTS BY 30/2100
VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: SECTOR N 5/6 WITH GUSTS VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 4/5 VEER SECTOR W BY
31/0300 VIS GOOD
REST OF THE AREA: SECTOR E 4/5 BACK SECTOR N BY 30/0600 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR W 6/7 WITH GUSTS PROB OF ISOL
RAIN VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 5/6 WITH GUSTS PROB OF ISOL
RAIN VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 4/5 WITH GUSTS PROB OF ISOL
RAIN VIS GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 4/5 WITH GUSTS VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): NW 5/6 WITH GUSTS VEER SECTOR N 4/5 WITH
GUSTS BY 30/2100 PROB OF SH RAIN VIS MODERATE OCNL POOR
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