WWAA02 SAWB 131200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 13, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

653/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-68S 90W-70W UNTIL 14/0300

654/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY IN 63S-69S 50W-40W FROM 13/2100 UNTIL 14/0600

655/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 65S-68S 70W-65W FROM 13/2100 UNTIL 14/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 963HPA 70S 78W MOV SE DPN

LOW 987HPA 63S 63W MOV SE DPN

HIGH 1001HPA MOV E WKN

121400 UTC 1.SEA ICE LIMIT 6535S 02000W 6421S 02617W 6005S 03217W 6048S 03757W 6057S 04317W 6128S 04813W 6131S 05248W 6316S 05655W 6349S 06032W 6447S 06401W 6615S 06559W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5732S 03508W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4908S 02700W 6X3NM ICEBERG2 4601S 02635W 4X2NM 4.ICEBERGS AREA A6545S 02000W 4200S 02000W 4200S 03700W 6100S 03700W B6100S 03700W 5000S 03700W 5900S 05000W 6120S 05000W C6120S 05000W 5900S 05000W 6300S 06716W 6657S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-14

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 BACK SW 7 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 4/5 BACK SECTOR W 7 WITH GUSTS BY 14/0000 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/6 BACK SW 7 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: NE 4/5 BACK SECTOR W 7 WITH GUSTS BY 14/0000 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD

GERLACHE STRAIT : NE 7/8 WITH GUSTS BACK NW 5/4 BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MARGARITA BAY : NE 7/8 WITH GUSTS BACK NW 5/4 BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

EREBUS Y TERROR GULF : NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 6/4 BY 14/0000 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 GUST WITH 9 INTENSITY DECR SW 5 WITH GUSTS BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS VERY POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 9 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 VEER SECTOR W 6/7 WITH GUSTS BY 13/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SE 5/6 VEER SECTOR S 7 WITH GUSTS BY 13/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 3/4 BACK NE 4/5 BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 BACK NE 5/6 BY 14/0000 PROB OF MIST PROB OFMOD SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE=