WWAA02 SAWB 270000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 27, JUNE 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

649/2025 STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 WITH GUST IN 67S-73S 70W-90W FROM 27/0600 UNTIL 28/0000

650/2025 STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 9 FROM W IN MARGARITA BAY FROM 27/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 971HPA 73S 20W MOV NE WKN

HIGH 1026HPA 60S 90W MOV NE INTSF EXTENDS RIDGE AT 60S 90W 70S 75W

HIGH 1013HPA 64S 59W MOV NE WKN

RIDGE 60S 20W 70S 40W 70S 50W MOV N INTSF

261400 UTC 1.SEA ICE LIMIT 6554S 02000W 6242S 04600W 6204S 02729W 6156S 05834W 6403S 06335W 5920S 02325W 5837S 02559W 5900S 03249W 5919S 03830W 5924S 04318W 6001S 04943W 6105S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5640S 03402W 40X32NM A76C 6043S 04850W 16X7NM A74A 5949S 05006W 30X18NM A77 6251S 05824W 27X4NM 3.ICEBERGS SMALLER THAN 10NM A80A 6147S 05344W 8X4NM ICEBERG1 5259S 03214W 3X1NM ICEBERG2 5613S 03501W 4X1NM ICEBERG3 5026S 03259W 2X1NM ICEBERG4 5303S 03626W 2X1NM ICEBERG5 5137S 03740W 3X1NM ICEBERG6 5318S 03420W 3X1NM ICEBERG7 5638S 03329W 5X3NM ICEBERG8 5346S 03356W 4X3NM ICEBERG9 5344S 03408W 6X3NM ICEBERG10 6253S 05801W 4X1NM ICEBERG11 5539S 03539W 3X1NM ICEBERG12 5310S 03236W 3X1NM ICEBERG13 5610S 03320W 2X1NM ICEBERG14 5627S 03320W 2X1NM ICEBERG15 6053S 04828W 3X1NM ICEBERG16 6152S 05356W 9X2NM ICEBERG17 6034S 04744W 5X3NM ICEBERG18 5348S 03401W 3X1NM 4.ICEBERGS AREA A: 5900S 02000W 5000S 02000W 4800S 03400W 5000S 04100W 6035S 04100W B: 6035S 04100W 5500S 04100W 5600S 05000W 6035S 05000W C: 6035S 05000W 5700S 05000W 6400S 06716W 6700S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-06-28

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 PROB OF MIST WORSENING DURING THE EVENING VIS GOOD TO POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: 6/5 VEER W 4/5 BY 27/1500 PROB OF MIST STARTING EVENING VIS GOOD TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 62W: SW 4/5 INCR 6/7 BY 27/2100 PROB OF FOG MIST STARTING EARLY MORNING VIS GOOD TO POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SE 6/5 VEER SECTOR W BY 27/1800 PROB OF FOG MIST STARTING NOON VIS GOOD TO POOR OCNL VERY POOR

GERLACHE STRAIT : NE 4 VEER SE 3 BY 27/1500 PROB OF FOG MIST TOWARDS THE END OF THE PERIOD PROB OF SNOW FALL TOWARDS THE END OF THE PERIOD VIS GOOD TO POOR OCNL VERY POOR

MARGARITA BAY : SECTOR W 3 INCR 9 BY 27/1800 PROB OF FOG MIST STARTING EVENING VIS GOOD TO POOR OCNL VERY POOR

EREBUS Y TERROR GULF : SECTOR S 5/4 VEER NE BY 27/0900 PROB OF FOG AND MIST IN PATCHES STARTING EVENING VIS GOOD TO MODERATE OCNL POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80 - N OF 65S: SW 4/3 VEER NW 5/6 BY 27/0900 VIS GOOD

NORTHER BELLINGSHAUSEN SEA E OF 80 - N OF 65S: SW 5/6 BY 27/0000 PROB OF FOG MIST STARTING EARLY MORNING VIS GOOD TO POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA W OF 80 - S OF 65S: SECTOR W 3 VEER NW 7/8 WITH GUSTS BY 27/0300 PROB OF FOG MIST VIS MODERATE TO POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3 VEER NW 7/8 WITH GUSTS BY 27/1200 PROB OF FOG MIST STARTING EARLY MORNING VIS GOOD TO POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 3 VEER NW 7/8 WITH GUSTS BY 27/1200 BACK 5/6 BY 27/2100 PROB OF FOG MIST DISSIPATING TOWARDS THE END OF THE PERIOD PROB OFMOD INTERMITTENT SNOW FALL STARTING EARLY MORNING VIS VERY POOR TO POOR OCNL MODERATE

NORTHERN WEDDELL SEA N OF 65S: SECTOR S 4/3 VEER SW 5/6 BY 27/1200 PROB OF MIST PROB OFSLIGHT ISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/7 GUST WITH 8 INTENSITY VEER 5/4 BY 27/1800 PROB OF MIST STARTING EVENING VIS GOOD TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 6/7 GUST WITH 8 INTENSITY VEER NE 5/4 BY 27/1200 VIS GOOD=

