WWAA02 SAWB 151200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 15, APRIL 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

519/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 60S-64S 82W-70W UNTIL 16/1500

520/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 65S-69S 88W-70W UNTIL 16/0900

521/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 60S-67S 50W-30W UNTIL 16/0900

522/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SE WITH GUST VEER SW IN 63S-66S 56W-52W UNTIL 15/1500

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 938HPA 63S 85W MOV SE DPN

LOW 961HPA 65S 47W MOV SE DPN

LOW 975HPA 73S 50W MOV SE DPN

LOW 975HPA 73S 50W MOV SE DPN

131400 UTC 1.SEA ICE LIMIT 6918S 01950W 6930S 02633W 6707S 03153W 6041S 03421W 6306S 03503W 6228S 04351W 6238S 04957W 6336S 05349W 6258S 05526W 6341S 06153W 6458S 06435W 6600S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5927S 03614W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5125S 03045W 2X1NM ICEBERG2 4640S 02749W 6X3NM ICEBERG3 4950S 03042W 5X3NM ICEBERG4 4657S 02747W 4X2NM ICEBERG5 4656S 02738W 3X1NM ICEBERG6 5857S 03559W 3X1NM ICEBERG7 4303S 03457W 2X1NM 4.ICEBERGS AREA A7000S 02000W 4600S 02000W 4300S 03500W 7030S 02400W B7030S 02400W 4300S 03500W 6000S 05000W 6300S 05000W C6300S 05000W 6000S 05000W 6400S 06716W 6700S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-04-16

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 6/7 WITH GUSTS INCR SECTOR N 9 WITH GUSTS BY 15/2100 AFTERWARDS NW 7/5 WITH GUSTS BY 16/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS MODERATE TO VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 7/8 WITH GUSTS VEER SECTOR N 9 WITH GUSTS BY 16/0000 PROB OF FOG MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: NW 6/7 WITH GUSTS INCR SECTOR N 9 WITH GUSTS BY 15/1500 AFTERWARDS NW 7/5 WITH GUSTS BY 16/0600 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS MODERATE TO VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 7/8 WITH GUSTS VEER SECTOR N 9 WITH GUSTS BY 16/0000 PROB OF FOG MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE

GERLACHE STRAIT : NE 6/7 WITH GUSTS INCR NE 8 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR

MARGARITA BAY : NE 6/7 WITH GUSTS INCR SECTOR E 8 GUST WITH 9 INTENSITY BY 15/2100 PROB OF MIST BLIZZARD PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE OCNL POOR

EREBUS Y TERROR GULF : SW 7/5 VEER NW 4/5 BY 15/1800 AFTERWARDS NW 8 WITH GUSTS BY 16/0300 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 6/8 WITH GUSTS INCR NW 9 WITH GUSTS BY 15/1800 AFTERWARDS SECTOR N 6/5 BY 16/0600 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 7/8 WITH GUSTS VEER SE 9 BY 15/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 5/7 WITH GUSTS VEER SE 7/8 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO VERY POOR

NORTHERN WEDDELL SEA N OF 66S: NW 9 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 15/1800 AFTERWARDS SECTOR W 6 BY 16/0300 PROB OF FOG MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: SE 5/7 WITH GUSTS VEER SECTOR S 5/6 WITH GUSTS BY 15/1800 AFTERWARDS SW 5/4 BY 16/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 6/7 WITH GUSTS VEER SE 7/8 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE=