WWAA02 SAWB 301200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 30, NOVEMBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1387/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR N IN 60S-65S 70W-90W

1388/2025 STRONG BARIC GRADIENT GERLACHE STRAIT MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM NE IN 64S-66S 60W-70W UNTIL 01/0000

PART 2 GENERAL SYNOPSIS AT 09:00UTC

RIDGE 60S 55W 65S 45W 70S 40W MOV E WKN

LOW 982HPA 70S 85W MOV E DPN EXTENDS CFNT AT 70S 85W 65S 70W 60S 60W

291400 UTC 1.SEA ICE LIMIT 6924S 02000W 6538S 05335W 6248S 04454W 6225S 03158W 6209S 02048W 6310S 05921W 6421S 06351W 5700S 03143W 5815S 04942W 5842S 05257W 6028S 05527W 6156S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5226S 04026W 32X24NM A74A 5444S 02626W 27X17NM A77 5307S 04059W 27X4NM A76C 5919S 03839W 16X7NM B15AB 5806S 04608W 11X4NM A23G 5325S 03830W 11X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5140S 03442W 3X1NM ICEBERG2 5455S 04018W 9X2NM ICEBERG3 5124S 03440W 3X1NM ICEBERG4 5254S 03859W 7X3NM ICEBERG5 4859S 02233W 4X2NM ICEBERG6 5053S 03708W 6X2NM ICEBERG7 5206S 03842W 3X3NM ICEBERG8 5217S 04139W 2X2NM ICEBERG9 5325S 03910W 3X3NM ICEBERG10 5131S 03628W 2X1NM ICEBERG11 5114S 03855W 4X2NM ICEBERG12 5020S 02345W 2X1NM ICEBERG13 5300S 03731W 3X1NM ICEBERG14 5249S 04024W 4X1NM ICEBERG15 5229S 04153W 2X1NM ICEBERG16 4945S 03815W 2X1NM ICEBERG17 4944S 03835W 2X1NM ICEBERG18 5230S 04155W 3X1NM ICEBERG19 5407S 03949W 2X1NM ICEBERG20 5221S 04148W 2X1NM ICEBERG21 5227S 04154W 2X2NM ICEBERG22 5040S 02201W 3X1NM ICEBERG23 4939S 02746W 3X1NM ICEBERG24 5157S 04057W 2X1NM ICEBERG25 5211S 04135W 2X1NM ICEBERG26 5549S 04131W 4X1NM ICEBERG27 5052S 03839W 9X6NM ICEBERG28 5125S 03627W 8X2NM ICEBERG29 4945S 03838W 3X1NM 4.ICEBERGS AREA A 5938S 02000W 4357S 02000W 4654S 04000W 5847S 04000W B 5847S 04000W 4654S 04000W 5425S 05000W 5843S 05000W C 5452S 05000W 5843S 05000W 6512S 06716W 6838S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-12-1

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 3/4 VEER SECTOR N BY 1/0000 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: SECTOR N 3/4 BACK SECTOR W BY 30/2100 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 W 3/4 VEER SECTOR N BY 1/0000 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 N 3/4 BACK SECTOR W BY 30/2100 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : NE 8 DECR 3 BY 1/0000 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

MARGARITA BAY : NE 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR

EREBUS Y TERROR GULF : NE 3/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 8 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

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

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