Gale warnings for Southern Bellingshausen Sea and sea ice updates issued.

WWAA02 SAWB 211200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
12:00 UTC 21, JANUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
61/2025 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN SOUTHERN BELLINGSHAUSEN SEA WESTHERN OF 80W SOUTHERN OF 69S UNTIL 22/0300
62/2025 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA PROVOKES WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN SOUTHERN BELLINGSHAUSEN SEA EASTHERN OF 80W SOUTHERN OF 69S FROM 21/1600 UNTIL 22/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
WFNT AT 70S 90W 67S 80W 64S 73W MOV E INTSF
STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV SLWY INTSF
RIDGE 60S 60W 70S 58W MOV SLWY INTSF
201400 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 5653S 03916W 40X32NM 3.ICEBERGS SMALLER THAN 10NM A76B 4807S 03222W 10X7NM A80A 6343S 05626W 8X6NM ICEBERG1 5500S 03649W 2X1NM ICEBERG2 5520S 03552W 2X1NM ICEBERG3 6154S 05505W 9X3NM ICEBERG4 5741S 03747W 2X1NM ICEBERG5 5205S 04256W 5X1NM ICEBERG6 5542S 03950W 4X2NM ICEBERG7 5816S 03136W 2X1NM ICEBERG8 5721S 03129W 2X1NM ICEBERG9 6229S 05508W 3X1NM ICEBERG10 6334S 05522W 3X2NM ICEBERG11 5457S 03629W 2X1NM ICEBERG12 4907S 03533W 4X2NM ICEBERG13 5617S 03959W 3X1NM 4.ICEBERGS AREA A: 6458S 02000W 4800S 02000W 4800S 03000W 6420S 03000W B: 6420S 03000W 4700S 03000W 4700S 04500W 6037S 04500W C: 6037S 04500W 5700S 04500W 5700S 06000W 6200S 06716W 6635S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-01-22
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: VRB 3 VEER NW 3/2 BY 22/0600 PROB OF RAIN AND SNOW MIXTURE PROB OF MIST FOG PATCHES SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 3/4 VEER SECTOR W 3/2 BY 22/0600 PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: VRB 3 NW 3/2 BY 22/0600 PROB OF RAIN AND SNOW MIXTURE PROB OF MIST FOG PATCHES SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 3/2 WITH GUSTS PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD OCNL VERY POOR
GERLACHE STRAIT : SW 3/4 VEER SECTOR N 3 BY 22/0000 PROB OF MIST PROB OF FOG STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
MARGARITA BAY : NE 4/5 WITH GUSTS PROB OF RAIN RAIN AND SNOW MIXTURE STARTING EARLY MORNING PROB OF MIST VIS MODERATE TO POOR OCNL GOOD
EREBUS Y TERROR GULF : SECTOR S 3/4 VEER VRB 3/2 BY 21/2100 VEER SECTOR N 3/4 BY 22/0600 PROB OF FOG AND MIST IN PATCHES DURING THE EARLY MORNING IMPR STARTING EARLY MORNING VIS GOOD OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR N 4/5 WITH GUSTS DECR VRB 3 BY 22/0300 PROB OF MIST PROB OF ISOL RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/4 VEER SECTOR E 3/4 BY 22/1200 PROB OF MIST PROB OF ISOL SNOW FALL VIS MODERATE OCNL POOR TO GOOD
SOUTHERN BELLINGSHAUSEN SEA W OF 80W – N OF 69S: NE 8 GUST WITH 9 INTENSITY BACK NW BY 21/2100 DECR 3/4 WITH GUSTS BY 22/0300 PROB OF FOG MIST PROB OF RAIN AND SNOW MIXTURE SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA E OF 80W – N OF 69S: NE 6/7 WITH GUSTS INCR 8 GUST WITH 9 INTENSITY BY 21/1600 BACK NW 3/4 BY 22/0600 PROB OF FOG MIST PROB OF RAIN AND SNOW MIXTURE SNOW FALL VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 4/5 WITH GUSTS BACK SECTOR W 3/4 BY 22/0000 PROB OF FOG MIST PROB OF RAIN AND SNOW MIXTURE SNOW FALL VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA (60-68S 20-50W): SW 4/3 WITH GUSTS PROB OF FOG MIST LOW PROB OF ISOL SLIGHT RAIN AND SNOW MIXTURE SNOW FALL VIS MODERATE TO VERY POOR OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/3 WITH GUSTS VEER VRB 3 BY 22/1200 PROB OF MIST SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS GOOD OCNL MODERATE