WWAA02 SAWB 280000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 28, OCTOBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1246/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 IN 60S-65S 70W-80W

1247/2025 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 9 IN 61S-45S 50W-70W

1248/2025 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W IN 68S-70S 65W-70W UNTIL 28/0900

PART 2 GENERAL SYNOPSIS AT 21:00UTC

RIDGE 60S 60W 61S 62W 63S 62W MOV E WKN

LOW 976HPA 70S 90W MOV E DPN EXTENDS CFNT AT 70S 90W 67S 75W 65S 65W

261400 UTC 1.SEA ICE LIMIT 5656S 02000W 5700S 02247W 5632S 02649W 5805S 03027W 5826S 03530W 5932S 03944W 6003S 04401W 6100S 04711W 6120S 05219W 6220S 05709W 6354S 06238W 6548S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5258S 04022W 32X24NM A74A 5407S 03248W 27X17NM A77 5645S 04047W 27X4NM A76C 6026S 04257W 16X7NM B15AB 5837S 04744W 11X4NM A23G 5221S 03848W 20X8NM A23I 5043S 04014W 19X8NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4928S 03522W 7X1NM ICEBERG2 5123S 03812W 3X1NM ICEBERG3 5529S 04527W 9X2NM ICEBERG4 5503S 04419W 2X1NM ICEBERG5 5255S 03729W 3X1NM ICEBERG6 5103S 03756W 9X4NM ICEBERG7 5124S 03542W 3X1NM ICEBERG8 5138S 03939W 7X3NM ICEBERG9 4957S 02435W 6X3NM ICEBERG10 5323S 03721W 2X1NM ICEBERG11 5250S 04123W 2X2NM ICEBERG12 5341S 04103W 3X1NM ICEBERG13 5222S 03631W 3X1NM ICEBERG14 5015S 02400W 3X1NM ICEBERG15 4934S 02846W 6X4NM ICEBERG16 4944S 02212W 2X1NM ICEBERG17 5258S 02547W 3X1NM ICEBERG18 5324S 03652W 2X1NM ICEBERG19 4944S 03833W 4X1NM ICEBERG20 5151S 03846W 3X2NM ICEBERG21 6100S 04608W 3X2NM ICEBERG22 5228S 03638W 2X1NM ICEBERG23 5213S 03605W 3X1NM ICEBERG24 5127S 03912W 7X2NM 4.ICEBERGS AREA A 5800S 02000W 4600S 02000W 4500S 04100W 6000S 04200W B 6000S 04200W 4500S 04100W 6000S 05500W 6200S 05500W C 6200S 05500W 6000S 05500W 6400S 06716W 6700S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-10-29

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 8 PROB OF MIST PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 8 LOW PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD OCNL MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SW 8 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 8 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

GERLACHE STRAIT : NW 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS POOR OCNL VERY POOR

MARGARITA BAY : SECTOR N 8 DECR 4 BY 28/0900 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

EREBUS Y TERROR GULF : NW 5/6 PROB OF ISOL SNOW FALL VIS GOOD TO MODERATE OCNL 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): SECTOR N 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): SECTOR W 4/5 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

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