WWAA02 SAWB 060000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 06, SEPTEMBER 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 STORM WARNING:

989/2025 STRONG BARIC GRADIENT MOV NE WILL PROVOKE WINDS FORCE 10 FROM S WITH GUST IN 60S-62S 43W-50W FROM 06/1800 UNTIL 07/0600

GALE WARNING:

988/2025 STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM SW WITH GUST IN 60S-65S 50W-70W UNTIL 07/0000

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 978HPA 60S 45W MOV E DPN

LOW 966HPA 70S 65W MOV NE DPN EXTENDS TROUGH AT 70S 65W 60S 45W

051400 UTC 1.SEA ICE LIMIT 5549S 02000W 5529S 02134W 5508S 02517W 5510S 03043W 5648S 03420W 5749S 03832W 5839S 04324W 5945S 04828W 6116S 05431W 6229S 06113W 6404S 06316W 6604S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5301S 03650W 40X32NM A74A 5508S 04231W 27X17NM A77 5858S 05308W 27X4NM A76C 6002S 04757W 16X7NM B15AB 6052S 05324W 11X4NM A23G 5318S 03712W 20X8NM A23H 5317S 03631W 13X3NM ICEBERG1 5231S 04026W 12X2NM 3.ICEBERGS SMALLER THAN 10NM A23D 4954S 03433W 8X4NM A23E 5128S 03310W 9X4NM ICEBERG2 5245S 03651W 3X1NM ICEBERG3 5912S 05205W 9X2NM ICEBERG4 5441S 03737W 4X2NM ICEBERG5 4823S 02514W 3X2NM ICEBERG6 5325S 03035W 3X1NM ICEBERG7 5311S 03735W 4X1NM ICEBERG8 5245S 03507W 3X1NM ICEBERG9 5927S 05230W 6X4NM ICEBERG10 5037S 03348W 2X1NM ICEBERG11 5232S 03454W 3X3NM ICEBERG12 5948S 05230W 2X1NM ICEBERG13 5105S 03341W 3X1NM ICEBERG14 5242S 03708W 3X1NM ICEBERG15 5232S 03742W 9X4NM ICEBERG16 5238S 03949W 3X1NM ICEBERG17 5311S 03629W 8X3NM ICEBERG18 5238S 03410W 2X1NM ICEBERG19 4952S 03328W 3X1NM ICEBERG20 5029S 03340W 3X1NM 4.ICEBERGS AREA A: 5552S 02000W 4700S 02000W 4800S 03300W 5200S 04200W 5833S 04200W B: 5833S 04200W 5300S 04200W 5800S 05500W 6818S 05500W C: 6218S 05500W 6000S 05500W 6000S 05900W 6400S 06717W 6644S 06717W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-09-7

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 8 GUST WITH 9 INTENSITY DECR 5/6 BY 6/2100 PROB OF MIST DISSIPATING DURING THE EARLY MORNING PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: W 8/9 WITH GUSTS PROB OF MIST DISSIPATING DURING THE MORNING PROB OFMOD ISOL SNOW FALL VIS MODERATE OCNL POOR

MAR DE LA FLOTA COASTS W OF 60W: SW 8 GUST WITH 9 INTENSITY DECR 5/6 BY 6/2100 PROB OF MIST DISSIPATING DURING THE EARLY MORNING PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: W 8/9 WITH GUSTS PROB OF MIST DISSIPATING DURING THE MORNING PROB OFMOD ISOL SNOW FALL VIS MODERATE OCNL POOR

GERLACHE STRAIT : SW 5/6 PROB OF MIST DISSIPATING DURING THE MORNING PROB OFHVY SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO GOOD

MARGARITA BAY : VRB 4/3 PROB OF FOG MIST PROB OFHVY SNOW FALL IMPR STARTING EARLY MORNING VIS VERY POOR TO POOR

EREBUS Y TERROR GULF : SW 4/5 DECR VRB 3/4 BY 6/2100 PROB OF FOG MIST TEMPORARILY DISSIPATING PROB OFMOD INTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR OCNL MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR W 8 WITH GUSTS DECR 7/5 BY 6/1200 PROB OF MIST DISSIPATING DURING THE EARLY MORNING PROB OFISOL RAIN IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 8/7 WITH GUSTS PROB OF FOG PATCHES PROB OFMOD INTERMITTENT SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA W OF 40 - N OF 65S: SW 3/4 VEER W 8 BY 6/0900 BACK S 9/10 BY 6/1800 PROB OF FOG MIST DISSIPATING DURING THE MORNING PROB OFMOD SH OF SNOW SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 65S: NW 5/6 BACK SW 3/4 BY 6/0300 PROB OF MIST DISSIPATING DURING THE EARLY MORNING PROB OFMOD SH OF SNOW SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 VIS GOOD

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 4/5 VIS GOOD=