WWAA02 SAWB 191200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 19, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

361/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 90S-70S 60W-65W FROM 19/1500 UNTIL 20/0600

PART 2 GENERAL SYNOPSIS AT 09:00UTC

RIDGE 60S 75W 63S 70W 67S 68W MOV E WKN

LOW 993HPA 64S 90W MOV E DPN

TROUGH 62S 57W 64S 56W 66S 54W 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-20

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER SECTOR W 4/3 BY 19/1800 PROB OF MIST PROB OFISOL RAIN IMPR STARTING NOON VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 VEER NW 5/6 BY 20/0300 PROB OF MIST PROB OFISOL DRIZZLE RAIN IMPR DURING THE EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER SECTOR W 4/3 BY 19/1800 PROB OF MIST PROB OFISOL RAIN IMPR STARTING NOON VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 VEER NW 5/6 BY 20/0300 PROB OF MIST PROB OFISOL DRIZZLE RAIN WORSENING DURING THE EVENING VIS MODERATE TO POOR

GERLACHE STRAIT : SECTOR S 3/4 BACK NE 4/5 BY 20/0300 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 5/6 WITH GUSTS BY 20/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE

EREBUS Y TERROR GULF : NE 4/3 BACK SW 4/5 BY 19/2100 AFTERWARDS NW 4/3 BY 20/0300 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 5/7 GUST WITH 8 INTENSITY INCR NW 8 WITH GUSTS BY 19/1800 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 VEER NW 5/7 BY 19/1800 AFTERWARDS SECTOR N 8 GUST WITH 9 INTENSITY BY 20/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 3/4 BACK SECTOR N 4/3 BY 20/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: SECTOR S 5/6 WITH GUSTS VEER SW 6/5 WITH GUSTS BY 20/0000 AFTERWARDS NW 5 BY 20/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 VEER SECTOR W 4/3 BY 20/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 3/4 VEER SECTOR W 4/5 BY 20/0000 VIS GOOD=