WWAA02 SAWB 031200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 03, JULY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

676/2025 STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST IN 60S-70S 60W-90W FROM 03/1800

677/2025 STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 9 FROM SECTOR N WITH GUST IN MARGARITA BAY FROM 04/0900

PART 2 GENERAL SYNOPSIS AT 09:00UTC

TROUGH 60S 50W 70S 60W

HIGH 1005HPA 63S 25W MOV NE INTSF

011400 UTC 1.SEA ICE LIMIT 6627S 02000W 6012S 02325W 5813S 02603W 5902S 03142W 5847S 03552W 5855 03929W 5948S 04413W 6017S 04942W 6057S 05405W 6203S 05854W 6348S 06231W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5626S 03344W 40X32NM A76C 6040S 04858W 16X7NM A74A 5951S 05006W 30X18NM A77 6253S 05859W 27X4NM 3.ICEBERGS SMALLER THAN 10NM A80A 6132S 05351W 8X4NM ICEBERG1 5232S 03151W 3X1NM ICEBERG2 5613S 03501W 4X1NM ICEBERG3 5111S 03223W 2X1NM ICEBERG4 5218S 03700W 2X1NM ICEBERG5 5153S 03638W 3X1NM ICEBERG6 5257S 03408W 3X1NM ICEBERG7 5638S 03329W 5X3NM ICEBERG8 5342S 03341W 4X3NM ICEBERG9 5339S 03358W 6X3NM ICEBERG10 6227S 05812W 4X1NM ICEBERG11 5539S 03539W 3X1NM ICEBERG12 5256S 03216W 3X1NM ICEBERG13 5610S 03320W 2X1NM ICEBERG14 5627S 03320W 2X1NM ICEBERG15 6137S 05401W 9X2NM ICEBERG16 6045S 04711W 5X3NM ICEBERG17 5339S 03348W 3X1NM 4.ICEBERGS AREA A: 6000S 02000W 4900S 02000W 4900S 03500W 5900S 03520W B: 5900S 03520W 5000S 03500W 5000S 04800W 6020S 04800W C: 6020S 04800W 5700S 04800W 5800S 05600W 6137S 05520W D: 6137S 05520W 5800S 05600W 6100S 06716W 6630S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-07-4

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 4/0900 PROB OF MIST LOW PROB OFISOL SNOW FALL VIS GOOD OCNL POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: W 5/6 WITH GUSTS PROB OF MIST LOW PROB OFISOL SNOW FALL VIS GOOD OCNL POOR

MAR DE LA FLOTA COASTS W OF 60W: NW 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 4/0900 PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: W 5/6 WITH GUSTS PROB OF MIST LOW PROB OFISOL SNOW FALL VIS GOOD OCNL POOR

GERLACHE STRAIT : SECTOR W 4/5 PROB OF FOG MIST PROB OFMOD HVY SNOW FALL TOWARDS THE END OF THE PERIOD VIS GOOD OCNL VERY POOR

MARGARITA BAY : SECTOR W 5/4 VEER SECTOR N 8/9 BY 4/0900 PROB OF FOG MIST PROB OFHVY SNOW FALL STARTING EARLY MORNING VIS GOOD TO VERY POOR

EREBUS Y TERROR GULF : N 4 WITH GUSTS BACK SECTOR W BY 03/2100 PROB OF FOG PATCHES VIS GOOD OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 6/7 GUST WITH 8 INTENSITY INCR 9 WITH GUSTS BY 03/1800 PROB OF FOG MIST DISSIPATING TOWARDS THE END OF THE PERIOD PROB OFHVY SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 WITH GUSTS INCR 8/9 WITH GUSTS BY 4/0000 PROB OF FOG MIST PROB OFHVY SNOW FALL STARTING NIGTH VIS MODERATE TO VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): W 5/4 VEER 8/9 WITH GUSTS BY 4/0000 PROB OF FOG MIST PROB OFHVY SNOW FALL VIS VERY POOR

NORTHERN WEDDELL SEA W OF 40W: SECTOR N 3/4 BACK SECTOR W 5/6 BY 4/0300 PROB OF FOG MIST PROB OFISOL SNOW FALL VIS MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: NE 4/5 PROB OF FOG MIST VIS MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): NW 5/6 WITH GUSTS VIS GOOD=