WWAA02 SAWB 030000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 03, JULY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

673/2025 STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 GUST WITH 10 INTENSITY IN 60S-69S 90W-85W UNTIL 03/1500

674/2025 STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 9 IN MARGARITA BAY UNTIL 03/1200

675/2025 STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 WITH GUST IN 60S-65S 80W-90W FROM 03/2100

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 958HPA 73S 85W MOV SE EXTENDS CFNT AT 73S 85W 68S 70W 83S 85W

TROUGH 60S 50W 65S 60W

HIGH 1005HPA 65S 25W MOV NE INTSF EXTENDS RIDGE AT 65S 25W 65S 50W

021400 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 6038S 04850W 16X7NM A74A 5948S 05011W 30X18NM A77 6254S 05912W 27X4NM 3.ICEBERGS SMALLER THAN 10NM A80A 6133S 05412W 8X4NM ICEBERG1 5223S 03150W 3X1NM ICEBERG2 5116S 03512W 4X1NM ICEBERG3 5051S 03142W 2X1NM ICEBERG4 5218S 03700W 2X1NM ICEBERG5 5150S 03603W 3X1NM ICEBERG6 5257S 03408W 3X1NM ICEBERG7 5638S 03329W 5X3NM ICEBERG8 5359S 03341W 4X3NM ICEBERG9 5339S 03358W 6X3NM ICEBERG10 6227S 05812W 4X1NM ICEBERG11 5558S 03513W 3X1NM ICEBERG12 5246S 03205W 3X1NM ICEBERG13 5610S 03320W 2X1NM ICEBERG14 5627S 03320W 2X1NM ICEBERG15 6144S 05413W 9X2NM ICEBERG16 6040S 04651W 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 00:00 UTC VALID UNTIL 00:00 UTC 2025-07-4

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4 VEER NW 5/6 WITH GUSTS BY 3/0600 PROB OF FOG MIST PROB OFISOL RAIN SNOW FALL STARTING NOON VIS POOR OCNL VERY POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/4 VEER 5/6 WITH GUSTS BY 3/1800 PROB OF FOG MIST PROB OFISOL RAIN SNOW FALL STARTING NOON VIS POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: SW 4 VEER NW 5/6 WITH GUSTS BY 3/0600 PROB OF FOG MIST PROB OFMOD INTERMITTENT RAIN SNOW FALL STARTING EARLY MORNING VIS POOR OCNL VERY POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/4 VEER 5/6 WITH GUSTS BY 3/1800 PROB OF FOG MIST VIS POOR OCNL VERY POOR

GERLACHE STRAIT : NE 4/5 BACK NW 4 PROB OF FOG AND MIST IN PATCHES DURING THE EVENING PROB OFMOD HVY SNOW FALL STARTING EARLY MORNING VIS GOOD TO POOR OCNL VERY POOR

MARGARITA BAY : N 9 BACK NW 5 BY 3/1200 PROB OF FOG MIST PROB OFHVY SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO POOR

EREBUS Y TERROR GULF : NE 5/4 WITH GUSTS BACK NW BY 3/1200 PROB OF FOG MIST STARTING EARLY MORNING VIS MODERATE OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 6/7 GUST WITH 8 INTENSITY INCR 9 WITH GUSTS BY 3/1500 PROB OF FOG MIST PROB OFMOD HVY SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 WITH GUSTS BACK W 5 BY 3/1200 AFTERWARDS NW 9 WITH GUSTS BY 02/2100 PROB OF MIST PROB OFMOD HVY SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 6/5 WITH GUSTS DECR 5/4 BY 3/0300 AFTERWARDS VRB 3 BY 3/1500 PROB OF FOG MIST PROB OFHVY SNOW FALL SPELLS OF GOOD WEATHER VIS VERY POOR TO MODERATE

NORTHERN WEDDELL SEA W OF 40 - N OF 65S: VRB 3 VEER SECTOR W 4/5 BY 3/2100 PROB OF FOG MIST PROB OFISOL SNOW FALL VIS MODERATE OCNL VERY POOR

NORTHERN WEDDELL SEA E OF 40 - N OF 65S: NE 4/5 PROB OF FOG MIST VIS MODERATE OCNL VERY POOR

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

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