WWAA02 SAWB 051200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 05, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 STORM WARNING:

283/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV S DEEPENING PROVOKES WINDS FORCE 10 FROM NE WITH GUST IN 60S-70S 90W-80W UNTIL 05/1800

GALE WARNING:

284/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR E IN 60S-65S 40W-30W UNTIL 06/0300

285/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV NE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 61S-62S 70W-60W UNTIL 06/0600

PART 2 GENERAL SYNOPSIS AT 09:00UTC

RIDGE 61S 75W 63S 74W 65S 72W MOV E NC

RIDGE 67S 53W 69S 50W 71S 48W MOV E WKN

041400 UTC 1.SEA ICE LIMIT 7234S 02000W 7212S 02823W 7521S 03056W 6610S 03147W 6134S 03242W 6124S 04658W 6238S 05153W 6331S 05330W 6258S 05602W 6340S 06039W 6417S 06333W 6643S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4830S 03321W 10X11NM A23K 5107S 03543W 11X8NM A76C 5921S 03724W 16X7NM B15AB 5351S 03351W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4946S 02308W 3X1NM ICEBERG2 5755S 03540W 5X2NM ICEBERG3 5142S 04039W 2X1NM ICEBERG4 5905S 04808W 5X4NM ICEBERG5 5045S 03907W 4X2NM ICEBERG6 5800S 03551W 3X1NM ICEBERG7 4833S 03355W 3X2NM 4.ICEBERGS AREA A 6500S 02000W 4500S 02000W 4627S 03235W 6145S 03410W B 6145S 03410W 4627S 03235W 5200S 04500W 6155S 04600W C 6155S 04600W 5200S 04500W 6225S 06716W 6630S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-6

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/6 WITH GUSTS DECR SW 5 BY 6/0600 AFTERWARDS SW 4 BY 6/1200 PROB OF MIST IMPR TOWARDS NOON VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 4/5 VEER SW 5 BY 05/2100 AFTERWARDS SECTOR S 6 WITH GUSTS BY 6/0600 PROB OF MIST PROB OFSCT RAIN SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SW 6 WITH GUSTS INCR SW 8 WITH GUSTS BY 05/2100 AFTERWARDS SW 6 WITH GUSTS BY 6/0600 VIS GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 3 INCR SECTOR S 4 BY 6/0000 AFTERWARDS SECTOR S 7 WITH GUSTS BY 6/0900 PROB OF SCT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

GERLACHE STRAIT : SW 4/5 INCR SW 7 WITH GUSTS BY 6/0000 AFTERWARDS SECTOR W 4 BY 6/0900 VIS GOOD

MARGARITA BAY : SW 4 BACK SECTOR W 4 PROB OF COASTAL SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS GOOD

EREBUS Y TERROR GULF : VRB 3 INCR SECTOR S 4 BY 6/0000 AFTERWARDS SW 6 WITH GUSTS BY 6/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA E OF 80W: SECTOR N 8 WITH GUSTS INCR NE 10 WITH GUSTS BY 6/0000 PROB OF INTERMITTENT RAIN WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 3/4 INCR NW 5 BY 6/0600 VIS GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 INCR SECTOR N 5/6 WITH GUSTS BY 05/1800 AFTERWARDS SECTOR N 6 WITH GUSTS BY 6/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE

NORTHERN WEDDELL SEA N OF 65S: SECTOR W 8 DECR SE 5 BY 6/0000 AFTERWARDS SECTOR S 5 BY 6/1200 PROB OF INTERMITTENT RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: NW 3 DECR VRB 3 BY 05/2100 AFTERWARDS SECTOR S 3 BY 6/0600 PROB OF INTERMITTENT SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 6 WITH GUSTS DECR SW 5 BY 05/2100 AFTERWARDS SECTOR S 4 BY 6/0600 VIS GOOD=