WWAA02 SAWB 251200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 25, MARCH 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

304/2025 LOW 951HPA AT 64S 69W MOV NE NOT CHANGE PROVOKES WINDS FORCE 9 AROUND ITSELF GUST WITH 10 INTENSITY IN 60S-66S 40W-80W UNTIL 26/2100

305/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 60S-67S 80W-90W UNTIL 26/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 976HPA 68S 90W MOV SE WKN

LOW 951HPA 64S 69W MOV NE WKN EXTENDS CFNT AT 66S 68W 63S 62W 60S 58W

LOW 976HPA 63S 35W MOV E DPN

241400 UTC 1.SEA ICE LIMIT 7212S 02000W 7108S 02909W 6829S 03049W 6602S 03408W 6634S 04059W 6600S 04757W 6333S 04610W 6222S 04925W 6149S 05133W 6251S 05559W 6350S 06142W 6555S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5448S 03904W 40X32NM A23B 5624S 03819W 10X3NM A76C 6212S 05304W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6131S 05432W 9X3NM ICEBERG2 5526S 03544W 2X1NM ICEBERG3 6224S 04741W 8X3NM ICEBERG4 6231S 04246W 3X1NM ICEBERG5 6142S 05442W 2X1NM ICEBERG6 5620S 03738W 7X1NM ICEBERG7 6259S 04331W 2X1NM ICEBERG8 5616S 03723W 3X1NM ICEBERG9 5510S 03749W 3X1NM ICEBERG10 6227S 05512W 2X1NM 4.ICEBERGS AREA A: 7300S 02000W 5600S 02000W 5654S 04000W 6600S 03900W B: 6600S 03900W 5600S 04000W 5600S 05240W 6200S 05300W C: 5500S 02015W 4200S 02000W 4400S 04000W 5500S 04000W D: 6200S 05300W 5700S 05200W 5740S 06650W 6400S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-03-26

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 9 WITH GUSTS DECR SW 6 WITH GUSTS BY 26/0000 VEER NW 6 WITH GUSTS BY 26/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR STARTING THE MIDDLE OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 9 WITH GUSTS BACK SECTOR S 9 WITH GUSTS BY 25/2100 DECR SECTOR S 5 BY 26/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE MORNING VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 9 WITH GUSTS DECR SW 6 WITH GUSTS BY 26/0000 VEER NW 6 WITH GUSTS BY 26/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING THE MIDDLE OF THE PERIOD VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 9 WITH GUSTS BACK SECTOR S 9 WITH GUSTS BY 25/2100 DECR SECTOR S 5 BY 26/0900 PROB OF MIST PROB OFINTERMITTENT IMPR DURING THE MORNING VIS POOR TO MODERATE

GERLACHE STRAIT : SECTOR E 6 DECR VRB 2 BY 25/1500 INCR NE 4 BY 26/0600 PROB OF ISOL SNOW FALL IMPR DURING THE START OF THE PERIOD VIS MODERATE TO GOOD

MARGARITA BAY : SECTOR N 3 VEER NW 5 WITH GUSTS BY 26/0900 VIS GOOD

EREBUS Y TERROR GULF : SECTOR E 3 VEER SW 9 WITH GUSTS BY 25/1800 DECR SW 4 BY 26/0600 PROB OF FOG MIST PROB OFINTERMITTENT SNOW FALL COASTAL BLIZZARD IMPR STARTING THE MIDDLE OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 8 WITH GUSTS VEER NW 8 WITH GUSTS BY 25/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR OCNL MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 9 WITH GUSTS DECR SECTOR W 6 WITH GUSTS BY 25/2100 VEER NW 8 WITH GUSTS BY 26/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR OCNL MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): VRB 2 INCR NE 6 WITH GUSTS BY 26/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR

NORTHERN WEDDELL SEA N OF 64 - W OF 40W: SECTOR N 5 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 25/2100 BACK SECTOR S 8 WITH GUSTS BY 26/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA N OF 64 - E OF 40W: NW 3 VEER SECTOR N 5 BY 25/2100 VEER NE 6 WITH GUSTS BY 26/0300 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING THE MIDDLE OF THE PERIOD VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: VRB 2 INCR SECTOR S 4 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE START OF THE PERIOD VIS MODERATE OCNL GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): VRB 2 INCR SECTOR S 4 BY 25/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE START OF THE PERIOD VIS MODERATE OCNL GOOD=