WWAA02 SAWB 180000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 18, JANUARY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

53/2025 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-63S 80W-70W UNTIL 18/0900

54/2025 STRONG BARIC GRADIENT ON SOUTHERN WEDDELL SEA MOV W DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 70S-73S 35W-52W UNTIL 18/1500

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 970HPA 65S 78W MOV SE DPN

LOW 961HPA 68S 45W MOV W DPN

LOW 972HPA 61S 48W MOV E DPN

171400 UTC 1.SEA ICE LIMIT 6434S 02000W 6354S 02455W 6334S 02934W 6255S 03153W 6502S 03752W 6422S 04054W 6000S 04358W 6200S 04841S 6258S 05058W 6325S 05855W 6401S 06257W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5655S 03856W 40X32NM 3.ICEBERGS SMALLER THAN 10NM A76B 4822S 03306W 10X7NM A80A 6344S 05637W 8X6NM ICEBERG1 5500S 03648W 2X1NM ICEBERG2 5520S 03553W 2X1NM ICEBERG3 6155S 05506W 9X3NM ICEBERG4 5804S 03954W 2X1NM ICEBERG5 5248S 04250W 5X1NM ICEBERG6 5601S 04000W 4X2NM ICEBERG7 5828S 03206W 2X1NM ICEBERG8 5706S 03213W 2X1NM ICEBERG9 6229S 05508W 3X1NM ICEBERG10 6348S 05518W 3X2NM ICEBERG11 5457S 03629W 2X1NM ICEBERG12 5030S 03552W 4X2NM 4.ICEBERGS AREA A: 6438S 02000W 5400S 02000W 5300S 03000W 6400S 02948W B: 6400S 02948W 4800S 03000W 4800S 04300W 6038S 04300W C: 6038S 04300W 5400S 04300W 5400S 05000W 6338S 05000W D: 6338S 05000W 5900S 05000W 6000S 06716W 6634S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-01-19

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 BY 18/0900 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/4 VEER NW 5/6 BY 18/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 VEER NW 5 BY 18/1200 PROB OF MIST PROB OF ISOL RAIN SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 BACK SW 6 BY 18/1200 PROB OF MIST PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR

GERLACHE STRAIT : NE 4/5 BACK SW 5/7 BY 18/1200 PROB OF MIST PROB OF ISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE

MARGARITA BAY : NE 4 VEER SECTOR S 3/4 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS MORNING VIS GOOD TO MODERATE OCNL POOR

EREBUS Y TERROR GULF : SECTOR S 3/4 VEER SW 5/7 WITH GUSTS BY 18/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/5 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/8 BACK SW 4/5 WITH GUSTS BY 18/0900 PROB OF MIST PROB OF INTERMITTENT SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 PROB OF FOG AND MIST IN PATCHES PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA W OF 40W: NW 3/4 BACK SECTOR W 5 BY 18/1200 PROB OF FOG MIST PROB OF ISOL RAIN SNOW FALL WORSENING DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 6/5 BACK SW 4/5 PROB OF FOG AND MIST IN PATCHES PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5/7 GUST WITH 9 INTENSITY VEER SE 5 BY 18/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL VIS MODERATE OCNL POOR=