WWAA02 SAWB 211200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 21, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

370/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV SE WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-50S 60W-66W UNTIL 21/2100

371/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 90S-80S 60W-66W UNTIL 21/2100

372/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 50S-35S 63W-67W UNTIL 22/0600

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 982HPA 70S 90W MOV SE DPN EXTENDS CFNT AT 70S 90W 65S 82W 61S 84W MOV E

LOW 977HPA 70S 50W MOV SE WKN EXTENDS OFNT AT 70S 50W 73S 53W 72S 35W MOV E

RIDGE 61S 77W 63S 72W 65S 72W MOV E WKN

201400 UTC 1.SEA ICE LIMIT 7156S 02000W 7021S 02830W 6804S 03032W 7245S 03044W 6118S 03316W 6521S 03319W 6144S 04115W 6129S 04355W 6213S 04949W 6437S 05542W 6416S 06354W 6634S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5002S 03430W 10X7NM A76C 5900S 03619W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4832S 03035W 9X7NM ICEBERG1 5812S 03538W 3X2NM ICEBERG2 4841S 03304W 3X2NM ICEBERG3 5229S 03243W 7X2NM ICEBERG4 4722S 03117W 3X1NM ICEBERG5 4844S 03057W 4X2NM ICEBERG6 4843S 03010W 4X1NM ICEBERG7 4840S 03021W 3X2NM ICEBERG8 4838S 03014W 2X2NM ICEBERG9 4600S 03050W 3X2NM 4.ICEBERGS AREA A 7303S 02000W 4555S 02000W 4400S 03100W 4900S 04000W 6136S 04000W B 6136S 04000W 5800S 04000W 5800S 04900W 6211S 04900W C 6211S 04900W 5900S 04900W 6100S 06100W 6600S 06716W 6644S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-22

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 VEER NW 5/7 BY 22/0300 PROB OF MIST PROB OFMOD DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 6/5 BY 22/0000 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 W OF 60W: SECTOR W 3/4 VEER NW 5/7 BY 22/0300 PROB OF MIST PROB OFMOD DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 5/4 BY 21/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SECTOR N 3/4 BACK SECTOR W 3 BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE

MARGARITA BAY : NE 7/5 WITH GUSTS BACK NW 4/5 BY 21/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO POOR

EREBUS Y TERROR GULF : NW 5/4 BACK SECTOR S 4/3 BY 21/2100 PROB OF MIST VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/8 WITH GUSTS DECR SECTOR W 6/5 WITH GUSTS BY 21/2100 PROB OF MIST PROB OFSCT SH IMPR DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 21/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/3 VEER NE 4/5 BY 21/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA W OF 40W: NW 7/8 WITH GUSTS DECR NW 7/5 WITH GUSTS BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: NW 5/7 WITH GUSTS INCR NW 8 GUST WITH 9 INTENSITY BY 21/1600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SECTOR S 5/6 BY 21/2100 PROB OF MIST FOG PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE NIGTH VIS MODERATE TO VERY POOR=