WWAA02 SAWB 010000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 01, SEPTEMBER 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1113/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 63S-64S 58W-50W UNTIL 01/0900

1114/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST IN 66S-68S 69W-65W FROM 01/1200 UNTIL 01/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 969HPA 66S 52W MOV E DPN

LOW 967HPA 67S 58W MOV E WKN

LOW 969HPA 69S 55W MOV E DPN

LOW 966HPA 71S 78W MOV E DPN

311400 UTC 1.SEA ICE LIMIT 5558S 02000W 5446S 02618W 5350S 03218W 5557S 03758W 5859S 04317W 6011S 04814W 6040S 05248W 6201S 05655W 6335S 06032W 6312S 06337W 6137S 06559W 6136S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5322S 02816W 17X6NM A81 5906S 04741W 28X25NM D33B 5917S 05040W 21X12NM 3.ICEBERGS SMALLER THAN 10NM D33C 6147S 05421W 9X5NM ICEBERG1 5844S 05107W 5X3NM ICEBERG2 6054S 05339W 5X3NM ICEBERG3 6023S 05229W 6X4NM 4.ICEBERGS AREA A5628S 02000W 5200S 02000W 5100S 03000W 5400S 03900W 5653S 03900W B5653S 03900W 5500S 03900W 5500S 05000W 6021S 05000W C6021S 05000W 5800S 05400W 5800S 05400W 6000S 06716W 6230S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-9-2

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 INCR SECTOR W 6/7 WITH GUSTS BY 1/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4 VEER NW 6/7 WITH GUSTS BY 1/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 INCR SECTOR W 6/7 WITH GUSTS BY 1/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4 VEER NW 6/7 WITH GUSTS BY 1/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SW 3/4 BACK SECTOR E 4/3 BY 1/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

MARGARITA BAY : NE 3/4 VEER SECTOR E 4/5 BY 1/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SW 5/7 GUST WITH 8 INTENSITY INCR SW 8 WITH GUSTS BY 1/1200 PROB OF FOG AND MIST IN PATCHES PROB OFCOASTAL BLIZZARD WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 5/6 WITH GUSTS INCR SECTOR W 7 GUST WITH 8 INTENSITY BY 1/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 6/7 DECR SW 5/4 BY 1/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 6/7 WITH GUSTS BACK SECTOR S 5/4 BY 1/0900 PROB OF FOG AND MIST IN PATCHES SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 7 WITH GUSTS BY 1/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NE 3/4 VEER SECTOR E 5/6 WITH GUSTS BY 1/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS MORNING VIS GOOD TO MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 BACK NE 5 BY 1/1200 PROB OF MIST VIS MODERATE TO GOOD=