WWAA02 SAWB 210000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 21, DECEMBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1472/2025 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E DEEPENING EXPECTED 62S 64W 55S 60W AROUND 21/1500 PROVOKES WINDS FORCE 8 FROM SECTOR E

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 971HPA 62S 75W MOV E DPN EXTENDS CFNT AT

LOW 977HPA 62S 60W MOV SE DPN EXTENDS CFNT AT

201400 UTC 1.SEA ICE LIMIT 6014S 02000W 6045S 02459W 6012S 03114W 5936S 03936W 6026S 04547W 6217S 04820W 6107S 05236W 6237S 05841W 6357S 06233W 6502S 06425W 6527S 06549W 6617S 06717W 2.ICEBERGS GREATER THAN 10NM A23A 5257S 04007W 32X24NM A74A 5900S 02311W 27X13NM A77 4920S 03936W 27X4NM A76C 5943S 03717W 16X7NM B15AB 5716S 04305W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5319S 04126W 9X2NM ICEBERG2 5331S 03921W 7X3NM ICEBERG3 5210S 04127W 2X2NM ICEBERG4 5138S 03521W 2X1NM ICEBERG5 5246S 03726W 3X1NM ICEBERG6 5305S 04027W 4X1NM ICEBERG7 5055S 03443W 3X1NM ICEBERG8 5214S 04044W 2X1NM ICEBERG9 5351S 04122W 4X1NM ICEBERG10 5001S 03912W 5X4NM ICEBERG11 5010S 03457W 8X2NM ICEBERG12 5234S 03939W 4X2NM ICEBERG13 4956S 02943W 2X1NM ICEBERG14 5305S 04023W 4X2NM ICEBERG15 5240S 04007W 4X1NM ICEBERG16 5252S 03934W 3X2NM ICEBERG17 5254S 03948W 2X1NM ICEBERG18 5232S 03949W 2X2NM ICEBERG19 5228S 04158W 9X3NM ICEBERG20 5301S 03949W 2X1NM ICEBERG21 5215S 04026W 2X1NM ICEBERG22 4954S 03731W 4X1NM ICEBERG23 5254S 03938W 2X1NM ICEBERG24 6048S 04529W 3X3NM ICEBERG25 6137S 04727W 4X3NM ICEBERG26 6102S 05136W 7X2NM ICEBERG27 4944S 03923W 2X1NM ICEBERG28 4938S 03817W 3X1NM ICEBERG29 5001S 03854W 3X1NM ICEBERG30 5305S 03945W 3X1NM 4.ICEBERGS AREA A 6000S 02000W 4400S 02000W 4400S 03400W 6000S 03500W B 6000S 03500W 4400S 03400W 4800S 04100W 4100S 06100W C 4100S 06120W 4800S 04100W 6300S 06716W 6700S 06716W

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

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 3/4 BACK SECTOR W BY 21/1200 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SECTOR E 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR E 3/4 INCR 8 BY 21/1500 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : SECTOR E 3/4 PROB OF ISOL SNOW FALL PROB OF MIST VIS GOOD OCNL MODERATE

MARGARITA BAY : NE 4/5 VIS GOOD

EREBUS Y TERROR GULF : SECTOR S 3/4 PROB OF MIST FOG PATCHES PROB OF VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR W 3/4 BACK SECTOR S 4 BY 21/1200 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR N 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL TOWARDS NIGTH WORSENING VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 3/4 PROB OF MIST VIS GOOD TO MODERATE OCNL POOR=