WWAA02 SAWB 231200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 23, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

379/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 60S-65S 76W-70W UNTIL 23/1800

380/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 60S-65S 70W-60W UNTIL 24/1200

381/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 10 INTENSITY IN 65S-69S 70W-65W UNTIL 24/2100

382/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR S GUST WITH 10 INTENSITY IN 60S-64S 90W-78W UNTIL 24/0300

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 954HPA 60S 80W MOV SE DPN

LOW 975HPA 70S 87W MOV E WKN

LOW 991HPA 69S 50W MOV SE WKN

HIGH 994HPA 67S 40W MOV E WKN

221400 UTC 1.SEA ICE LIMIT 7156S 02000W 7021S 02830W 6804S 03032W 7245S 03044W 6118S 03316W 6521S 03319W 6144S 04115W 6129S 04355W 6213S 04949W 6437S 05542W 6416S 06354W 6634S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5849S 03623W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4831S 03037W 9X7NM A23K 5008S 03403W 10X7NM ICEBERG1 5816S 03529W 3X2NM ICEBERG2 4837S 03323W 3X2NM ICEBERG3 5218S 03239W 7X2NM ICEBERG4 4733S 03053W 3X1NM ICEBERG5 4749S 03112W 4X2NM ICEBERG6 4829S 03007W 4X1NM ICEBERG7 4834S 03007W 3X2NM ICEBERG8 4831S 03010W 2X2NM ICEBERG9 4528S 02955W 3X2NM 4.ICEBERGS AREA A 6500S 02000W 4600S 02000W 4600S 03700W 6135S 03700W B 6135S 03700W 4600S 03700W 5700S 05000W 6230S 05000W C 6230S 05000W 5700S 05000W 6500S 06716W 6700S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-24

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 7/8 GUST WITH 9 INTENSITY DECR NE 7 BY 24/0300 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/5 VEER SECTOR N 6/7 GUST WITH 8 INTENSITY BY 23/2100 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: NE 7/8 GUST WITH 9 INTENSITY DECR NE 7 BY 24/0300 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 4/5 VEER NE 6/7 GUST WITH 8 INTENSITY BY 23/2100 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EVENING VIS MODERATE TO VERY POOR

GERLACHE STRAIT : NE 7/8 GUST WITH 9 INTENSITY DECR SECTOR E 7/6 BY 24/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

MARGARITA BAY : NE 7/8 GUST WITH 9 INTENSITY INCR SECTOR E 9 WITH GUSTS BY 24/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR

EREBUS Y TERROR GULF : NW 4/5 INCR NW 7 GUST WITH 8 INTENSITY BY 23/1800 PROB OF MIST FOG PATCHES WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 65S: SECTOR S 7/8 WITH GUSTS VEER SW 7/6 WITH GUSTS BY 23/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA E OF 80 - N OF 65S: NE 7/8 WITH GUSTS VEER SE 7/9 WITH GUSTS BY 23/1800 AFTERWARDS SW 8 WITH GUSTS BY 23/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 BACK SECTOR S 7 BY 23/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 5/6 WITH GUSTS BACK SECTOR S 7 BY 23/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA W OF 40W: SE 5/6 WITH GUSTS BACK SECTOR E 4/5 BY 24/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 VEER NW 4/5 BY 23/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 VEER SE 4/5 BY 23/2100 VIS GOOD=