Weather bulletin warns of strong winds and sea ice in Drake Strait.

WWAA02 SAWB 261200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
12:00 UTC 26, JANUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
66/2025 STRONG BARIC GRADIENT ON SOUTHERN PORTION OF DRAKE STRAIT MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY IN 60S-64S 60W-52W FROM 27/0500 UNTIL 28/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 999HPA 62S 50W MOV E WKN
LOW 982HPA 63S 75W MOV SE DPN
LOW 971HPA 63S 90W MOV SE DPN
HIGH 997HPA 70S 53W MOV E DPN
251400 UTC 1.SEA ICE LIMIT 7037S 02000W 6728S 02038W 6428S 02544W 6405S 03200W 6414S 03504W 6514S 04131W 6248S 03927W 5931S 03803W 6025S 04633W 6224S 05258W 6336S 06114W 6555S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5648S 03944W 40X32NM 3.ICEBERGS SMALLER THAN 10NM A76B 4631S 03049W 10X7NM A80A 6355S 05626W 8X6NM ICEBERG1 5500S 03649W 2X1NM ICEBERG2 5520S 03552W 2X1NM ICEBERG3 6150S 05511W 9X3NM ICEBERG4 5657S 03625W 2X1NM ICEBERG5 5111S 04205W 5X1NM ICEBERG6 5502S 03848W 3X2NM ICEBERG7 5717S 03130W 2X1NM ICEBERG8 6229S 05508W 2X1NM ICEBERG9 6359S 05508W 3X2NM ICEBERG10 5457S 03629W 2X1NM 4.ICEBERGS AREA A: 7132S 02000W 5000S 02000W 4700S 03300W 5100S 04000W 6617S 04000W B: 6617S 04000W 5500S 04000W 5800S 05300W 6300S 05400W C: 6341S 05400W 6000S 05400W 6000S 05900W 6400S 06716W 6632S 06717W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-01-27
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 5/6 WITH GUSTS BACK NE 6 BY 26/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 3/4 VEER SECTOR N 5/6 WITH GUSTS BY 26/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING SLOWLY TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: NE 5/6 WITH GUSTS BACK NW 7 WITH GUSTS BY 26/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR GRADUALLY TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 5/7 WITH GUSTS VEER NE 5 BY 27/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING SLOWLY DURING THE EARLY MORNING VIS MODERATE TO POOR
GERLACHE STRAIT : NE 4/5 INCR NE 7 GUST WITH 8 INTENSITY BY 26/2300 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL GOOD
MARGARITA BAY : VRB 3 VEER NE 4 BY 27/0300 VIS GOOD
EREBUS Y TERROR GULF : NW 3/4 VEER SE 3 BY 27/0300 PROB OF FOG AND MIST IN PATCHES WORSENING SLOWLY TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR N 5/7 WITH GUSTS VEER NE 6 BY 27/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT DRIZZLE RAIN WORSENING SLOWLY STARTING EVENING VIS MODERATE TO VERY POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 6/7 WITH GUSTS VEER SECTOR E 7/6 WITH GUSTS BY 26/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT DRIZZLE RAIN IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 3/4 VEER SECTOR E 4/3 BY 26/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA N OF 64 – W OF 40W: SECTOR S 4/3 VEER SECTOR W 4/5 BY 26/2100 PROB OF FOG AND MIST IN PATCHES IMPR GRADUALLY DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64 – E OF 40W: SECTOR S 4/5 VEER SW 5/6 BY 27/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER NE 4 BY 27/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 VEER SW 4 BY 27/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR GRADUALLY DURING THE EVENING VIS MODERATE TO GOOD