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WWAA02 SAWB 250000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 25, MARCH 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

301/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 GUST WITH 10 INTENSITY BACK SECTOR W IN 60S-64S 70W-90W UNTIL 26/2100

302/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR E WITH GUST IN 65S-67S 70W-85W UNTIL 25/1200

303/2025 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING WILL PROVOKE WINDS FORCE 9 GUST WITH 10 INTENSITY BACK SECTOR W IN 60S-65S 70W-50W FROM 25/0600 UNTIL 26/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 964HPA 63S 82W MOV SE DPN

LOW 983HPA 67S 55W MOV E WKN

HIGH 984HPA 9/S 52W MOV E WKN

LOW 982HPA 63S 35W MOV E WKN

RIDGE 60S 65W 65S 67W 67S 62W MOV E NC

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 00:00 UTC VALID UNTIL 00:00 UTC 2025-03-26

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 WITH GUSTS VEER NW 9 WITH GUSTS BY 25/0600 PROB OF FOG MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5 WITH GUSTS VEER SECTOR W 6 WITH GUSTS BY 25/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/6 WITH GUSTS VEER NW 9 WITH GUSTS BY 25/0600 PROB OF FOG MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY 25/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

GERLACHE STRAIT : SECTOR E 4 BACK NE 5/7 GUST WITH 8 INTENSITY BY 25/0900 AFTERWARDS SECTOR E 7/5 WITH GUSTS BY 25/1500 PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE

MARGARITA BAY : NE 3/4 VEER SECTOR E 7 GUST WITH 8 INTENSITY BY 25/1500 VIS GOOD

EREBUS Y TERROR GULF : SW 4/5 VEER NW 5 BY 25/0900 INCR SW 7 WITH GUSTS BY 25/1800 PROB OF FOG MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64 - W OF 80W: NW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 25/0600 AFTERWARDS SECTOR W 6 BY 25/1500 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA N OF 64 - E OF 80W: NW 8 GUST WITH 9 INTENSITY BACK SECTOR W 9 WITH GUSTS BY 25/0900 AFTERWARDS SW 6 BY 25/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR E 5/7 GUST WITH 8 INTENSITY INCR SECTOR E 9 WITH GUSTS BY 25/0600 AFTERWARDS SE 5 BY 25/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 3/4 DECR VRB 2 BY 25/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA N OF 64 - W OF 40W: SECTOR S 3/4 VEER NW 5 WITH GUSTS BY 25/0600 PROB OF FOG MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR

NORTHERN WEDDELL SEA N OF 64 - E OF 40W: SW 3 VEER SECTOR W 5 BY 25/0900 PROB OF FOG MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SW 3 BACK SE 5 BY 25/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5 WITH GUSTS BACK NE 4/5 BY 25/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE=