Weather bulletin warns of strong winds and sea ice in Weddell Sea.

WWAA02 SAWB 140000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING – METAREA 6-
00:00 UTC 14, JANUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
48/2025 STRONG BARIC GRADIENT ON NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 9 FROM SECTOR W GUST WITH 10 INTENSITY IN 60S-65S 50W-25W UNTIL 14/2100
49/2025 STRONG BARIC GRADIENT ON SOUTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST IN SOUTHERN WEDDELL SEA WESTHERN OF 40W SOUTHERN OF 67S UNTIL 14/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 976HPA 60S 85W MOV SE INTSF
RIDGE 60S 60W MOV E WKN
LOW 943HPA 66S 38W MOV SE WKN
131400 UTC 1.SEA ICE LIMIT 6335S 02000W 6232S 02508W 6127S 02919W 5907S 03016W 5733S 03317W 5704S 03631W 5826S 04003W 5844S 04528W 6047S 05029W 6218S 05408W 6313S 06003W 6544S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5708S 03833W 40X32NM A76B 4823S 03607W 15X7NM 3.ICEBERGS SMALLER THAN 10NM A80A 6354S 05644W 8X6NM A76N 5116S 03707W 6X2NM ICEBERG1 5500S 03649W 2X1NM ICEBERG2 5521S 03553W 2X1NM ICEBERG3 6150S 05501W 9X3NM ICEBERG4 5810S 04119W 2X1NM ICEBERG5 5256S 04258W 5X1NM ICEBERG6 5617S 04003W 4X2NM ICEBERG7 5905S 03355W 3X1NM ICEBERG8 5715S 03406W 3X1NM ICEBERG9 5309S 02353W 6X1NM ICEBERG10 5348S 02538W 3X1NM ICEBERG11 6229S 05508W 3X1NM ICEBERG12 6335S 05501W 3X2NM ICEBERG13 5457S 03632W 2X1NM 4.ICEBERGS AREA A: 6443S 02000W 5000S 02000W 4800S 03400W 6225S 03300W B: 6225S 03300W 5000S 03400W 4800S 03900W 5300S 04300W 6010S 04300W C: 6010S 04300W 5600S 04300W 3900S 05100W 6312S 05100W D: 6312S 05100W 6000S 05100W 6000S 05800W 6300S 06716W 6633S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-01-15
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4 VEER SECTOR N 4/5 BY 14/1800 PROB OF RAIN AND SNOW MIXTURE SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/6 VEER SECTOR N 3/4 BY 14/1800 LOW PROB OF SLIGHT SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4 VEER SECTOR N 4/5 BY 14/1800 PROB OF RAIN AND SNOW MIXTURE SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 VEER SECTOR N 3/4 BY 14/1800 LOW PROB OF SLIGHT SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
GERLACHE STRAIT : SECTOR W 3/4 VRB 3/2 BY 14/0900 AFTERWARDS SECTOR E 4/5 WITH GUSTS WORSENING WITH PROB OF FOG MIST RAIN AND SNOW MIXTURE STARTING NOON VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : VRB 3 VEER SECTOR E 3/4 BY 14/1200 VEER SECTOR W 4/5 GUST WITH 8 INTENSITY BY 14/2100 PROB OF FOG MIST PROB OF ISOL DRIZZLE RAIN SNOW FALL IMPR TOWARDS NIGTH VIS POOR OCNL MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/3 WITH GUSTS VEER SECTOR W 3/4 BY 14/0900 VEER VRB 3/2 BY 14/2300 LOW PROB OF ISOL SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SW 3/4 WITH GUSTS PROB OF DRIZZLE RAIN RAIN AND SNOW MIXTURE PROB OF FOG MIST VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/2 VEER SECTOR E 3/4 BY 14/1200 VEER SECTOR S 3/4 WITH GUSTS BY 14/1800 PROB OF DRIZZLE RAIN RAIN AND SNOW MIXTURE PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): VRB 3/2 VEER SE 3 BY 14/1800 LOW PROB OF ISOL RAIN SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA N OF 65S – W OF 25W: SECTOR W 7/8 GUST WITH 9 INTENSITY DECR 5/6 BY 14/1800 PROB OF RAIN AND SNOW MIXTURE SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 7 WITH GUSTS VEER VRB 3/2 BY 14/1500 PROB OF RAIN AND SNOW MIXTURE SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
SOUTHERN WEDDELL SEA W OF 40W – S OF 67S: SECTOR E 4/5 GUST WITH 8 INTENSITY VEER SECTOR S 3/4 BY 14/0900 LOW PROB OF ISOL SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL GOOD
SOUTHERN WEDDELL SEA REST OF THE AREA: SECTOR N 5/6 WITH GUSTS BACK SECTOR W 3/4 BY 14/1200 PROB OF SNOW FALL PROB OF FOG MIST SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL GOOD