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WWAA02 SAWB 280000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 28, MARCH 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

319/2025 STRONG BARIC GRADIENT MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-64S 40W-60W UNTIL 28/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 970HPA 68S 54W MOV S WKN EXP 70S 50W BY 29/0000

LOW 967HPA 68S 77W WKN

RIDGE 60S 35W 70S 35W MOV E

271400 UTC 1.SEA ICE LIMIT 7233S 02000W 7121S 02741W 6923S 03013W 6651S 03212W 6634S 03842W 6544S 04424W 6407S 04439W 6226S 04523W 6203S 05200W 6249S 05646W 6336S 06144W 6553S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5447S 03900W 40X32NM A23B 5633S 03823W 10X2NM A76C 6204S 05254W 16X7NM A74A 6310S 05322W 30X18 NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6134S 05427W 9X3NM ICEBERG2 5525S 03544W 2X1NM ICEBERG3 6224S 04706W 8X3NM ICEBERG4 6230S 04245W 3X1NM ICEBERG5 6201S 05416W 2X1NM ICEBERG6 5617S 03621W 7X1NM ICEBERG7 6259S 04330W 2X1NM ICEBERG8 5652S 03604W 3X1NM ICEBERG9 5510S 03749W 3X1NM ICEBERG10 6227S 05512W 2X1NM ICEBERG11 5635S 03818W 4X1NM 4.ICEBERGS AREA A: 7246S 02000W 4600S 02000W 4200S 02200W 5400S 04000W 6645S 04000W B: 6645S 04000W 5500S 04000W 5800S 05300W 6314S 05400W C: 6314S 05400W 5500S 05500W 5500S 06100W 5800S 06716W 6645S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-03-29

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 7 DECR 6/5 BY 28/1200 LOW PROB OF ISOL DRIZZLE VIS GOOD OCNL MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 7 WITH GUSTS DECR 5 BY 28/2100 PROB OF MIST LOW PROB OFISOL DRIZZLE VIS GOOD OCNL MODERATE

MAR DE LA FLOTA COASTS W OF 60W: NW 7 WITH GUSTS DECR 6/5 BY 28/2100 LOW PROB OF ISOL DRIZZLE VIS GOOD OCNL MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 6 BY 28/2100 LOW PROB OF ISOL DRIZZLE VIS MODERATE TO GOOD

GERLACHE STRAIT : NW 6 PROB OF FOG FROM 28/1800 IMPR VIS POOR TO GOOD

MARGARITA BAY : N 4 VEER SECTOR W 4/3 BY 28/0900 PROB OF FOG PROB OFISOL SNOW FALL VIS POOR

EREBUS Y TERROR GULF : SW 5/4 VEER SECTOR W 6 GUST WITH 8 INTENSITY BY 28/0300 DECR 5/4 BY 28/2100 PROB OF MIST FROM 28/1200 IMPR VIS GOOD OCNL MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR W 6/5 WITH GUSTS PROB OF ISOL RAIN FROM 28/1800 VIS GOOD OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA W OF 80W: SW 7/6 WITH GUSTS DECR 4 BY 28/0900 VIS MODERATE TO GOOD

SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: VRB 3 VEER SW 4/5 BY 28/1200 PROB OF FOG PROB OFISOL SNOW FALL VIS POOR

NORTHERN WEDDELL SEA W OF 40W: SECTOR W 7/8 DECR 7/6 WITH GUSTS BY 28/2100 PROB OF RAIN FROM 28/0300 IMPR PROB OF FOG PATCHES VIS MODERATE OCNL VERY POOR

NORTHERN WEDDELL SEA E OF 30W: SW 6/5 VEER W BY 28/1800 PROB OF FOG FROM 28/1800 PROB OFISOL RAIN FROM 28/1800 VIS GOOD TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 6 WITH GUSTS BACK 7 WITH GUSTS BY 28/0900 PROB OF FOG PROB OFISOL RAIN FROM 28/1500 IMPR VIS POOR TO MODERATE

SOUTHERN WEDDELL SEA W OF 40W: SECTOR W 5/4 PROB OF SNOW FALL VIS VERY POOR

SOUTHERN WEDDELL SEA REST OF THE AREA: NE 6/5 WITH GUSTS PROB OF FOG PROB OFISOL SNOW FALL FROM 28/2100 VIS POOR=