WWAA02 SAWB 120000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 12, AUGUST 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1047/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-65S 90W-75W UNTIL 12/1800

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 1002HPA 63S 53W MOV E DPN

LOW 1005HPA 62S 62W MOV E WKN

RIDGE 60S 75W 65S 76W 70S 76W MOV E INTSF

111400 UTC 1.SEA ICE LIMIT 5803S 02000W 5605S 02618W 5702S 03217W 5731S 03757W 5737S 04317W 5926S 04814W 6027S 05248W 6203S 05655W 6333S 06033W 6409S 06337W 6408S 06559W 6257S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6057S 05323W 21X12NM A81 5911S 05112W 28X25NM A76C 5248S 03049W 16X6NM 3.ICEBERGS SMALLER THAN 10NM D33C 6129S 05335W 9X5NM ICEBERG1 6130S 05248W 5X3NM ICEBERG2 6119S 05254W 5X3NM ICEBERG3 6044S 05201W 6X4NM 4.ICEBERGS AREA A5820S 02000W 4600S 02000W 5300S 03800W 5805S 03800W B5805S 03800W 5300S 03800W 5800S 05000W 6040S 05000W C6040S 05000W 5800S 05000W 6300S 06716W 6620S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-08-13

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/7 WITH GUSTS VEER SECTOR W 5/4 WITH GUSTS BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 4/5 WITH GUSTS VEER SECTOR W 3/4 BY 12/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS : SECTOR S 4/5 WITH GUSTS VEER SECTOR W 3/4 BY 12/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SW 4/5 BACK SE 4/3 BY 12/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

MARGARITA BAY : SECTOR N 3/4 VEER NE 4/3 BY 12/1500 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD

EREBUS Y TERROR GULF : SECTOR N 3/4 VEER NE 3 BY 12/1500 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 3/4 WITH GUSTS VEER NW 6/7 GUST WITH 8 INTENSITY BY 12/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 WITH GUSTS VEER SECTOR N 4 WITH GUSTS BY 12/0600 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 VEER NE 4/4 BY 12/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 64S: SW 7/5 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS BY 12/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 WITH GUSTS DECR SW 4 WITH GUSTS BY 12/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/4 WITH GUSTS BACK SECTOR E 4 BY 12/1500 PROB OF MIST PROB OFISOL SNOW FALL VIS MODERATE TO GOOD=