WWAA02 SAWB 221200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 22, MARCH 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

374/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 63S-66S 40W-30W UNTIL 22/1500

375/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 60S-64S 90W-70W FROM 23/0300 UNTIL 24/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 971HPA 72S 85W MOV SE WKN

LOW 988HPA MOV SE DPN

LOW 996HPA 61S 52W MOV SE WKN

HIGH 991HPA 69S 57W MOV E WKN EXTENDS RIDGE AT 69S 57W 65S 44W 60S 40W MOV E

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 2026-03-23

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 VEER NW 5/6 BY 23/0000 PROB OF MIST PROB OFMOD DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT : SW 5/4 VEER SECTOR W 4 BY 22/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 VEER NW 5/6 BY 23/0000 PROB OF MIST PROB OFMOD DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/4 VEER SECTOR W 4 BY 22/2100 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO GOOD

GERLACHE STRAIT : SECTOR N 3/4 INCR NE 5/7 WITH GUSTS BY 23/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS GOOD TO MODERATE

MARGARITA BAY : NE 5/4 WITH GUSTS BACK NW 4/3 BY 22/1500 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD

EREBUS Y TERROR GULF : SECTOR S 3/4 BACK NE 4/3 BY 23/0000 PROB OF MIST VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 65S: SECTOR W 4/5 INCR NE 7/8 BY 23/0300 PROB OF MIST FOG PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 WITH GUSTS VEER NW 4/5 BY 22/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 5/7 WITH GUSTS BACK SW 5 BY 22/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR

NORTHERN WEDDELL SEA W OF 40W: NW 5/4 WITH GUSTS BACK SECTOR W 4/3 BY 22/2100 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: NW 8/7 WITH GUSTS DECR SECTOR W 5/4 BY 22/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS VEER SECTOR S 5/4 BY 22/2100 PROB OF MIST FOG PATCHES PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD=