WWAA02 SAWB 130000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 13, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

333/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-63S 50W-30W UNTIL 13/1800

334/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING PROVOKES WINDS FORCE 8 AROUND ITSELF FROM 13/0300 UNTIL 13/1200

335/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-64S 62W-50W FROM 13/1200 UNTIL 14/0900

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 978HPA 64S 78W MOV E WKN

LOW 979HPA 62S 50W MOV SE DPN

LOW 62S 50W MOV SE DPN

LOW 977HPA 72S 55W MOV E WKN

121400 UTC 1.SEA ICE LIMIT 7247S 02000W 7041S 03010W 7505S 03024W 6538S 03339W 7715S 03358W 6114S 03418W 7250S 03550W 6119S 04405W 6201S 05030W 6415S 05450W 6310S 05719W 6641S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5056S 03507W 10X7NM A76C 5907S 03700W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4901S 03246W 9X7NM ICEBERG1 5742S 03539W 3X2NM ICEBERG2 5901S 04903W 2X1NM ICEBERG3 4841S 03355W 3X2NM ICEBERG4 5247S 03344W 7X2NM ICEBERG5 4713S 03350W 3X1NM ICEBERG6 4854S 03329W 4X2NM ICEBERG7 4850S 03317W 4X1NM ICEBERG8 4854S 03313W 3X2NM ICEBERG9 4903S 03303W 2X1NM 4.ICEBERGS AREA A 4400S 02000W 7400S 02000W 6200S 04500W 4400S 04500W B 6200S 04500W 5600S 04500W 6500S 05900W 6000S 06000W C 6000S 06000W 6500S 05900W 6900S 06716W 6400S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-14

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 4/5 VEER SECTOR N 3/4 BY 13/0600 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 13/1500 PROB OF MIST PROB OFMOD DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 13/0600 AFTERWARDS SECTOR N 8 BY 13/1200 PROB OF FOG MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 VEER SECTOR N 3/4 BY 13/0600 AFTERWARDS SECTOR N 5/6 WITH GUSTS BY 13/1500 PROB OF MIST PROB OFMOD DRIZZLE RAIN WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 7/8 WITH GUSTS BY 13/0600 AFTERWARDS SECTOR N 8 BY 13/1200 PROB OF FOG MIST PROB OFMOD RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

GERLACHE STRAIT : SECTOR N 4/5 VEER NE 5/6 BY 13/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

MARGARITA BAY : SECTOR N 4/5 VEER NE 3/4 BY 13/1800 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : NW 4 INCR NW 6/8 WITH GUSTS BY 13/0900 PROB OF FOG MIST PROB OFMOD RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 3/4 BACK SECTOR W 5/6 BY 13/1200 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 5/6 WITH GUSTS BACK NW 4 BY 13/0900 PROB OF MIST PROB OFISOL DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 VEER NE 4/3 BY 13/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: NW 6/8 WITH GUSTS BACK SECTOR W 9 BY 13/1800 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING NOON VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: NW 3/4 VEER SE 4/5 BY 13/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 VEER SW 5/6 BY 13/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR=