WWAA02 SAWB 200000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 20, OCTOBER 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1237/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV NE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 61S-64S 60W-50W FROM 20/2100 UNTIL 21/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

RIDGE 61S 80W 63S 77W 66S 73W MOV E NC

TROUGH 60S 70W 62S 66W 63S 61W MOV E NC

LOW 981HPA 72S 51W MOV E DPN

RIDGE 60S 33W 64S 29W 68S 27W MOV E NC

191400 UTC 1.SEA ICE LIMIT 5351S 02000W 5300S 02618W 5354S 03218W 5544S 03758W 5653S 04316W 5808S 04814W 6207S 05247W 6248S 05654W 5936S 06033W 6028S 06336W 6156S 06559W 6212S 06716W 2.ICEBERGS GREATER THAN 10NM A81 5450S 03816W 28X25NM D33B 5700S 04420W 21X12NM D35 6010S 04357W 15X6 NM A83 5957S 04930W 12X7NM A85 5910S 04745W 10X3NM ICEBERG1 5816S 04758W 10X3NM 3.ICEBERGS SMALLER THAN 10NM D32 5645S 03851W 9X6NM D33C 6146S 05437W 9X5NM ICEBERG2 5232S 04137W 5X3NM ICEBERG3 5744S 04618W 5X3NM ICEBERG4 5501S 04404W 4X3NM ICEBERG5 5643S 04409W 2X1NM ICEBERG6 5648S 04750W 3X2NM ICEBERG7 5924S 04854W 2X1NM ICEBERG8 5907S 04414W 6X2NM ICEBERG9 5740S 04626W 2X1NM ICEBERG10 6004S 04347W 4X1NM ICEBERG11 5949S 04256W 4X1NM ICEBERG12 6140S 05409W 2X1NM ICEBERG13 5656S 04445W 2X1NM ICEBERG14 5520S 04344W 2X1NM 4.ICEBERGS AREA A5512S 02000W 4956S 02000W 4952S 04500W 6050S 04500W B6050S 04500W 5345S 04500W 5908S 06716W 6622S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-10-21

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 INCR SW 5/6 WITH GUSTS BY 20/0900 AFTERWARDS SECTOR W 5/6 BY 20/1800 PROB OF ISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 INCR SECTOR W 6/7 WITH GUSTS BY 20/1500 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR DURING THE EARLY MORNING VIS MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 INCR SECTOR W 5/6 WITH GUSTS BY 20/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4/5 INCR SECTOR W 5/6 WITH GUSTS BY 20/1200 AFTERWARDS SECTOR W 7/8 WITH GUSTS BY 20/2100 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR STARTING EVENING VIS MODERATE OCNL GOOD

GERLACHE STRAIT : SW 3/4 VEER SECTOR W 4/5 BY 20/1200 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE OCNL POOR

MARGARITA BAY : SECTOR W 4/5 INCR SECTOR N 5/7 WITH GUSTS BY 20/1500 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 20/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS MODERATE TO POOR

EREBUS Y TERROR GULF : SECTOR W 4/3 INCR SW 4/5 BY 20/1200 AFTERWARDS SECTOR N 4/5 BY 20/2100 PROB OF ISOL RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS GOOD OCNL MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 5/6 INCR NW 6/7 WITH GUSTS BY 20/0900 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 20/1800 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE IMPR STARTING NOON VIS MODERATE TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 INCR NW 6/7 WITH GUSTS BY 20/1200 AFTERWARDS SECTOR W 6/5 WITH GUSTS BY 20/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/5 INCR SECTOR N 6/7 WITH GUSTS BY 20/0900 AFTERWARDS SECTOR W 6/7 WITH GUSTS BY 20/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA W OF 35W: NW 4/3 INCR SECTOR W 5/6 WITH GUSTS BY 20/1200 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 INCR SECTOR W 5/6 WITH GUSTS BY 20/1200 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR N 4/5 VEER SECTOR W 4/5 BY 20/1500 PROB OF MIST PROB OFMOD SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE TO POOR=