WWAA02 SAWB 071200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 07, APRIL 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
353/2025 LOW 960HPA NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 AROUND ITSELF FROM NE GUST WITH 9 INTENSITY  IN 60S-790S UNTIL 09/0000
354/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MARGARITA BAY MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 65S-70S 75W-5W FROM 07/2100 UNTIL 08/0900
355/2025 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MAR DE LA FLOTA COASTS MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 6367S50W UNTIL 07/1800
356/2025 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY BACK SECTOR W GUST WITH 9 INTENSITY IN 60S-67S 50W-30W UNTIL 08/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 960HPA 63S 90W MOV SE DPN EXTENDS CFNT AT 65S 90W 63S 85W 60S 82W MOV SE
RIDGE 63S 62W 67S 68W MOV SE DPN
LOW 972HPA 68S 40W MOV E DPN EXTENDS CFNT AT 68S 40W 65S 35W 60S 33W MOV SE
061400 UTC 1.SEA ICE LIMIT 6613S 02000W 7105S 02032W 7034S 02635W 6837S 02656W 6518S 03050W 6441S 03941W 6224S 04333W 6119S 05230W 6240S 05626W 6325S 06014W 6417S 06451W 6537S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5448S 03902W 40X32NM A23B 5631S 03555W 10X2NM A76C 6145S 05145W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6133S 05443W 9X3NM ICEBERG2 5525S 03544W 2X1NM ICEBERG3 6209S 04232W 3X1NM ICEBERG4 6122S 05400W 2X1NM ICEBERG5 5608S 03521W 7X1NM ICEBERG6 6220S 04240W 2X1NM ICEBERG7 5613S 03521W 3X1NM ICEBERG8 6227S 05512W 2X1NM ICEBERG9 5617S 03550W 4X1NM ICEBERG10 5506S 03715W 3X1NM ICEBERG11 5400S 03724W 2X1NM ICEBERG12 5443S 03746W 2X1NM ICEBERG13 5431S 03912W 4X1NM ICEBERG14 5426S 03937W 4X1NM ICEBERG15 5420S 03934W 4X1NM ICEBERG16 5418S 03934W 5X1NM 4.ICEBERGS AREA A: 7100S 02000W 5000S 02000W 5000S 03900W 6500S 04000W B: 6500S 04000W 5300S 03900W 5240S 05500W 6300S 05400W C: 4900S 02000W 4200S 02000W 4240S 03000W 5000S 03000W D: 6300S 05420W 5640S 05500W 5730S 06716W 6550S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-04-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 4/5 INCR NE 6/7 GUST WITH 8 INTENSITY BY 07/1800 PROB OF MIST PROB OFINTERMITTENT DRIZZLE RAIN SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/6 VEER NE 4/3 BY 07/1800 PROB OF MIST VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 INCR NE 6/7 GUST WITH 9 INTENSITY BY 07/1800 PROB OF MIST PROB OFINTERMITTENT RAIN WORSENING DURING THE EVENING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/7 GUST WITH 8 INTENSITY DECR NW 5/4 BY 07/1800 PROB OF MIST PROB OFINTERMITTENT RAIN WORSENING DURING THE NIGTH VIS MODERATE TO POOR
GERLACHE STRAIT : SECTOR N 5/4 INCR NE 7 GUST WITH 8 INTENSITY BY 07/2200 PROB OF INTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
MARGARITA BAY : NW 4/5 INCR SECTOR N 7/7 WITH GUSTS BY 07/1800 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 7/8 GUST WITH 9 INTENSITY DECR NW 5/4 BY 07/2000 PROB OF MIST VIS MODERATE TO GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 67 - W OF 80W: NE 8/9 WITH GUSTS BACK NW 8/9 BY 07/2100 AFTERWARDS SECTOR N 6/7 GUST WITH 8 INTENSITY BY 8/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA N OF 67 - E OF 80W: NE 8/9 WITH GUSTS BACK 6/7 GUST WITH 8 INTENSITY BY 07/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/4 INCR SECTOR E 6/7 GUST WITH 8 INTENSITY BY 07/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/3 VEER SECTOR E 4/5 BY 07/1800 INCR SECTOR E 6/7 GUST WITH 8 INTENSITY BY 8/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NIGTH VIS MODERATE TO POOR
NORTHERN WEDDELL SEA N OF 67 - W OF 40W: SECTOR W 6/7 GUST WITH 8 INTENSITY DECR SECTOR W 5/4 BY 8/0000 PROB OF FOG MIST VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 67 - E OF 40W: NW 6/8 GUST WITH 9 INTENSITY BACK SECTOR W 6/8 GUST WITH 9 INTENSITY BY 07/1500 DECR SECTOR W 5/4 BY 8/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: S 5/6 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 5/6 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD=