WWAA02 SAWB 211200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 21, JULY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

985/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN WEDDELL SEA MOV NE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 64S-72S 90W-70W FROM 21/1800 UNTIL 22/1800

986/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV NE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 61S-64S 70W-60W FROM 22/0000 UNTIL 23/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 982HPA 62S 51W MOV E DPN

LOW 976HPA 62S 40W MOV E WKN

RIDGE 65S 90W 62S 80W 60S 75W MOV NE INTSF

201400 UTC 1.SEA ICE LIMIT 5753S 02000W 5712S 02618W 5848S 03217W 5925S 03757W 5954S 04317W 6044S 04814W 6151S 05247W 6234S 05655W 6342S 06032W 6413S 06337W 6532S 06559W 6616S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6131S 05131W 21X12NM A81 6104S 05319W 28X25NM A76C 5233S 03133W 16X6NM D33C 6312S 05307W 9X4NM A83 6235S 05041W 12X7NM D35 6156S 04442W 28X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6205S 05221W 6X3NM ICEBERG2 6310S 05237W 5X2NM ICEBERG3 6243S 05318W 4X3NM ICEBERG4 6223S 05243W 2X1NM ICEBERG5 5957S 03541W 4X2NM 4.ICEBERGS AREA A6016S 02000W 4300S 02000W 5300S 04100W 6010S 04100W B6010S 04100W 5300S 04100W 6000S 05500W 6220S 05500W C6220S 05500W 6000S 05500W 6500S 06716W 6640S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-07-22

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 7 WITH GUSTS INCR SW 8 WITH GUSTS BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 7/8 WITH GUSTS BY 21/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 7 WITH GUSTS INCR SW 8 WITH GUSTS BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 WITH GUSTS VEER SECTOR W 7/8 WITH GUSTS BY 21/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : SE 3/4 VEER SW 7 GUST WITH 8 INTENSITY BY 21/1800 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

MARGARITA BAY : SECTOR E 3/4 BACK NE 4/3 BY 21/1800 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR

EREBUS Y TERROR GULF : SW 5/7 WITH GUSTS BACK SECTOR S 5/4 BY 21/1800 PROB OF FOG AND MIST IN PATCHES IMPR DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 5/6 WITH GUSTS INCR SW 7 GUST WITH 8 INTENSITY BY 22/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 5/7 WITH GUSTS INCR SW 8 WITH GUSTS BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 7 WITH GUSTS INCR SW 8 WITH GUSTS BY 21/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: NW 4/5 BACK SECTOR W 5/6 WITH GUSTS BY 21/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 5/7 GUST WITH 8 INTENSITY BACK SW 5 WITH GUSTS BY 21/1800 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SECTOR S 5 BY 21/1800 VIS GOOD=