WWAA02 SAWB 200000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 20, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

362/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 90S-70S 60W-66W UNTIL 20/0900

363/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW GUST WITH 9 INTENSITY IN 90S-80S 63W-67W FROM 20/0300 UNTIL 21/0000

364/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 70S-67S 65W-69W FROM 20/0900 UNTIL 21/0000

PART 2 GENERAL SYNOPSIS AT 21:00UTC

RIDGE 60S 65W 63S 65W 65S 65W MOV E WKN

LOW 982HPA 66S 84W MOV SE DPN

TROUGH 62S 54W 64S 54W 66S 54W MOV E WKN

RIDGE 61S 45W 65S 44W 70S 44W MOV E WKN

191400 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 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-21

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 VEER NW 4/5 BY 20/0600 AFTERWARDS NW 7/8 GUST WITH 9 INTENSITY PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING STARTING EARLY MORNING VIS MODERATE TO POOR

SOUTHERN PORTION OF DRAKE STRAIT : SECTOR W 4/5 VEER NW 5/6 WITH GUSTS BY 20/2100 PROB OF MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE MORNING VIS GOOD TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 VEER NW 4/5 BY 20/0600 AFTERWARDS NW 7/8 GUST WITH 9 INTENSITY PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN WORSENING STARTING EARLY MORNING VIS MODERATE TO POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 VEER NW 5/6 WITH GUSTS BY 20/1200 AFTERWARDS NW 8 WITH GUSTS BY 20/1800 PROB OF MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

GERLACHE STRAIT : NE 3/4 INCR NE 5/6 WITH GUSTS BY 20/0600 AFTERWARDS NE 8 WITH GUSTS BY 20/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

MARGARITA BAY : NE 4/5 INCR NE 5/7 WITH GUSTS BY 20/0300 AFTERWARDS NE 8 WITH GUSTS BY 20/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

EREBUS Y TERROR GULF : SECTOR N 4/3 VEER NW 6/7 GUST WITH 8 INTENSITY BY 20/1300 PROB OF MIST WORSENING DURING THE EVENING VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 5/7 GUST WITH 8 INTENSITY BACK SW 7 GUST WITH 8 INTENSITY BY 20/1200 PROB OF MIST PROB OFSCT SH IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 8 GUST WITH 9 INTENSITY BACK SECTOR W 7/5 BY 20/1000 AFTERWARDS SECTOR N 8 WITH GUSTS BY 20/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 3/4 VEER SE 5/6 BY 20/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHERN WEDDELL SEA W OF 40W: NW 5/6 WITH GUSTS INCR NW 7/8 WITH GUSTS BY 20/1500 AFTERWARDS NW 5 BY 20/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/7 WITH GUSTS VEER SECTOR W 4/5 BY 20/0900 AFTERWARDS NW 6/10 GUST WITH 8 INTENSITY BY 20/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK NE 4 BY 20/1200 VIS GOOD=