WWAA02 SAWB 211200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 21, FEBRUARY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

155/2025 LOW 966HPA AT 64S 85W MOV SW DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE IN 66S-72S 78W-90W FROM 21/1800 UNTIL 23/0000

156/2025 LOW 974HPA AT 68S 56W MOV SE WEAKENING PROVOKES WINDS FORCE 8 IN 60S-65S 40W-62W UNTIL 22/1200

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 966HPA 64S 85W MOV S NC

LOW 974HPA 68S 56W MOV SE WKN

201400 UTC 1.SEA ICE LIMIT 7131S 02000W 7131S 02757W 7023S 03326W 6840S 03628W 6840S 04131W 6607S 04512W 6422S 04931W 6256S 05004W 6207S 05420W 6306S 05823W 6415S 06349W 6559S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5549S 04031W 40X32NM A23B 5811S 03958W 10X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6209S 05552W 9X3NM ICEBERG2 5524S 03548W 2X1NM ICEBERG3 6213S 02805W 2X2NM ICEBERG4 6239S 05009W 8X3NM ICEBERG5 6306S 04451W 3X1NM ICEBERG6 6351S 03537W 2X1NM ICEBERG7 5510S 03758W 3X1NM ICEBERG8 6308S 04756W 2X1NM ICEBERG9 5538S 04009W 4X2NM ICEBERG10 4536S 02919W 12X3NM ICEBERG11 4531S 02927W 5X4NM 4.ICEBERGS AREA A: 7300S 02000W 4500S 02000W 4500S 03300W 7200S 03500W B: 6500S 05000W 5900S 05400W 4900S 03300W 7200S 03500W C: 5600S 06500W 6500S 05000W 6900S 06716W 5900S 05400W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-02-22

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 4 VEER NW 8 BY 21/2100 DECR NW 4 BY 22/0600 PROB OF INTERMITTENT MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING TOWARDS THE START OF THE PERIOD VIS MODERATE TO POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 8 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING TOWARDS THE START OF THE PERIOD VIS MODERATE TO POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 4 VEER SECTOR E 5 BY 22/0000 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS MODERATE TO POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: NW 8 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS MODERATE TO POOR

GERLACHE STRAIT : SECTOR N 4 VEER SECTOR E 3 BY 22/0000 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR DURING THE EVENING VIS MODERATE TO GOOD

MARGARITA BAY : NE 2 INCR NE 4 BY 21/0000 VIS GOOD

EREBUS Y TERROR GULF : NW 6 DECR SE 2 BY 21/1500 PROB OF FOG MIST PROB OFISOL SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS GOOD TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 3 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE START OF THE PERIOD VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 5 WITH GUSTS BACK SECTOR W 3 BY 22/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE START OF THE PERIOD VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 5 WITH GUSTS INCR NE 8 BY 21/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE START OF THE PERIOD VIS MODERATE TO POOR

NORTHERN WEDDELL SEA N OF 64 - W OF 40W: NW 5 WITH GUSTS INCR NW 8 BY 21/1500 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA N OF 64 - E OF 40W: NW 5 WITH GUSTS INCR NW 6 WITH GUSTS BY 22/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: NW 4 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5 WITH GUSTS BACK SECTOR N 4 BY 22/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE=