WWAA02 SAWB 281200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 28, OCTOBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

1249/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 IN 60S-65S 70W-80W

1250/2025 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 9 IN 61S-64S 50W-70W

1251/2025 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W IN 60S-65S 40W-50W

PART 2 GENERAL SYNOPSIS AT 09:00UTC

HIGH 991HPA 70S 45W MOV E WKN

271400 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 5255S 04023W 32X24NM A74A 5401S 03236W 27X17NM A77 5639S 04049W 27X4NM A76C 6023S 04226W 16X7NM B15AB 5843S 04730W 11X4NM A23G 5216S 03849W 11X3NM A23I 5037S 04009W 19X8NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4931S 03507W 7X1NM ICEBERG2 5119S 03808W 3X1NM ICEBERG3 5526S 04527W 9X2NM ICEBERG4 5511S 04413W 2X1NM ICEBERG5 5300S 03731W 3X1NM ICEBERG6 5102S 03757W 9X4NM ICEBERG7 5124S 03542W 3X1NM ICEBERG8 5146S 03942W 7X3NM ICEBERG9 5025S 02334W 4X2NM ICEBERG10 5327S 03732W 2X1NM ICEBERG11 5250S 04123W 2X2NM ICEBERG12 5341S 04103W 3X1NM ICEBERG13 5214S 03640W 3X1NM ICEBERG14 4934S 02846W 6X4NM ICEBERG15 4944S 02212W 2X1NM ICEBERG16 5258S 02547W 3X1NM ICEBERG17 5322S 03702W 2X1NM ICEBERG18 5016S 03846W 4X1NM ICEBERG19 5151S 03846W 3X2NM ICEBERG20 6100S 04602W 3X2NM ICEBERG21 5219S 03647W 2X1NM ICEBERG22 5213S 03605W 3X1NM ICEBERG23 5126S 03913W 7X2NM ICEBERG24 5215S 03846W 8X2NM ICEBERG25 5226S 03844W 3X3NM ICEBERG26 5230S 03844W 7X6NM 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 12:00 UTC VALID UNTIL 12:00 UTC 2025-10-29

COASTAL AREAS:

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

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 8 PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD TO MODERATE OCNL POOR

MAR DE LA FLOTA COASTS W OF 60W: NW 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: NW 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 3/4 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 MIST PROB OFISOL 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 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 W 8 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR

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