WWAA02 SAWB 041200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 04, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

605/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV NE DEEPENING PROVOKES WINDS FORCE 9 FROM SW GUST WITH 10 INTENSITY IN 60S-68S 59W-50W UNTIL 05/0900

606/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM SE GUST WITH 10 INTENSITY IN 60S-70S 50W-30W UNTIL 05/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 1011HPA 69S 74W MOV NE WKN EXTENDS RIDGE AT 69S 74W 65S 70W 60S 68W MOV NE

LOW 973HPA 62S 31W MOV SE DPN

LOW 991HPA 63S 54W MOV E DPN

031400 UTC 1.SEA ICE LIMIT 6833S 02000W 6648S 02845W 6311S 03120W 6508S 03309W 6159S 03802W 6301S 04248W 6208S 05113W 6224S 05316W 6308S 05713W 6336S 06028W 6426S 06356W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5833S 03627W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4932S 02749W 6X3NM ICEBERG2 5032S 02803W 5X3NM ICEBERG3 4747S 02804W 2X1NM ICEBERG4 4720S 02742W 4X2NM ICEBERG5 5801S 03406W 3X1NM ICEBERG6 5828S 03616W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S 02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S 05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-5

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 4/5 BACK SE 4/5 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 8 GUST WITH 9 INTENSITY INCR SECTOR S 9 WITH GUSTS BY 04/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 4/5 BACK SE 4/5 BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 8 GUST WITH 9 INTENSITY INCR SECTOR S 8 WITH GUSTS BY 04/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE

GERLACHE STRAIT : SECTOR E 3/4 BACK NE 3/4 BY 5/0000 VIS GOOD

MARGARITA BAY : SECTOR N 3/4 VEER NE 3 BY 5/0000 VIS GOOD

EREBUS Y TERROR GULF : SW 9 WITH GUSTS DECR SW 8 GUST WITH 9 INTENSITY BY 5/0000 PROB OF FOG AND MIST IN PATCHES BLIZZARD PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NE 4/5 INCR NE 6/7 WITH GUSTS BY 5/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 4/5 INCR SECTOR N 6/7 BY 04/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EVENING VIS GOOD TO MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 5/6 INCR NE 7 GUST WITH 8 INTENSITY BY 5/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS MODERATE TO VERY POOR

NORTHERN WEDDELL SEA W OF 40W: SECTOR S 9 WITH GUSTS INCR SECTOR S 10 WITH GUSTS BY 04/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SE 9 WITH GUSTS INCR SECTOR S 10 WITH GUSTS BY 04/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 BACK SE 5/6 WITH GUSTS BY 04/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR=