WWAA02 SAWB 191200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 19, AUGUST 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 STORM WARNING:

913/2025 STRONG BARIC GRADIENT PROVOKES WINDS FORCE 10 FROM NE WITH GUST IN 60S-73S 60W-90W

GALE WARNING:

914/2025 STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 60S-63S 40W-60W FROM 20/0000 UNTIL 20/1200

915/2025 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-70S 30W-50W UNTIL 20/0300

916/2025 STRONG BARIC GRADIENT EREBUS Y TERROR GULF PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN EREBUS Y TERROR GULF UNTIL 19/2100

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 965HPA 62S 82W MOV SE DPN EXTENDS OFNT AT 62S 82W 64S 70W MOV S ASOCIATED WITH CFNT AT 64S 70W 60S 70W

RIDGE 60S 50W 73S 53W MOV E

181400 UTC 1.SEA ICE LIMIT 5737S 02000W 5639S 02713W 5714S 03030W 5758S 03512W 5838S 04004W 5923S 04439W 5933S 04852W 6120S 05215W 6217S 05953W 6342S 06201W 6448S 06424W 6605S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5422S 03454W 40X32NM A74A 5819S 04701W 27X17NM A77 6106S 05718W 27X4NM A76C 5951S 04750W 16X7NM B15AB 6122S 05225W 11X4NM ICEBERG1 5329S 03859W 12X2NM 3.ICEBERGS SMALLER THAN 10NM A23E 5233S 03412W 9X4NM A23D 5203S 03806W 8X4NM ICEBERG2 5347S 03436W 4X1NM ICEBERG3 5121S 03114W 3X3NM ICEBERG4 6030S 05218W 9X2NM ICEBERG5 5143S 02644W 2X1NM ICEBERG6 5603S 04123W 4X2NM ICEBERG7 5256S 03634W 3X2NM ICEBERG8 4916S 02550W 3X2NM ICEBERG9 5339S 03345W 3X1NM ICEBERG10 5202S 03607W 3X1NM ICEBERG11 5149S 03723W 3X1NM ICEBERG12 4915S 02601W 3X1NM ICEBERG13 5307S 03628W 4X1NM ICEBERG14 5139S 03001W 3X1NM ICEBERG15 5431S 03402W 3X1NM ICEBERG16 6046S 05524W 6X4NM 4.ICEBERGS AREA A: 5820S 02000W 4600S 02000W 2800S 04500W 4800S 03500W 5800S 03500W B: 5800S 03500W 5000S 03500W 5500S 04803W 5916S 04800W C: 5916S 04800W 5700S 04800W 5700S 05116W 6400S 06716W 6624S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-08-20

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 8 WITH GUSTS BACK NW 5 WITH GUSTS BY 20/0300 PROB OF FOG MIST PROB OFMOD HVY RAIN SNOW FALL ISOL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO POOR

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 4/5 VEER NE 7/8 WITH GUSTS BY 19/2100 BACK NW 6/7 BY 20/0600 PROB OF FOG MIST PROB OFHVY RAIN SNOW FALL STARTING EVENING VIS GOOD TO VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: NE 8/9 WITH GUSTS DECR 6/7 WITH GUSTS BY 20/0900 PROB OF FOG MIST PROB OFMOD HVY SNOW FALL VIS VERY POOR TO POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 4/5 VEER E 7/8 WITH GUSTS BY 20/0300 AFTERWARDS NW 6/7 BY 20/1200 PROB OF FOG MIST PROB OFHVY SNOW FALL TOWARDS NIGTH VIS GOOD TO VERY POOR

GERLACHE STRAIT : NE 7/8 GUST WITH 9 INTENSITY DECR 3/4 BY 20/0900 PROB OF SNOW FALL STARTING EVENING VIS GOOD TO MODERATE OCNL POOR

MARGARITA BAY : NE 9/10 WITH GUSTS PROB OF MIST DURING THE EVENING PROB OFMOD ISOL SNOW FALL STARTING EVENING VIS MODERATE TO GOOD OCNL VERY POOR

EREBUS Y TERROR GULF : NE 8 WITH GUSTS DECR 5/6 BY 20/0300 VEER E BY 20/0900 PROB OF FOG MIST PROB OFMOD HVY SNOW FALL STARTING EARLY MORNING VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 65 - W OF 80W: W 4/5 VEER VRB 3/4 BY 19/1800 PROB OF FOG MIST PROB OFISOL SNOW FALL VIS POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA N OF 65 - E OF 80W: NE 8 WITH GUSTS BACK NW 7/8 WITH GUSTS BY 19/1800 VEER NE 4/5 BY 20/0300 PROB OF FOG MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA S OF 65 - W OF 80W: NE 10/8 WITH GUSTS VEER E 6/5 BY 20/0600 PROB OF FOG MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR OCNL VERY POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 10 WITH GUSTS PROB OF FOG MIST PROB OFMOD SNOW FALL VIS POOR OCNL VERY POOR

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 10/8 WITH GUSTS VEER E 7/6 BY 20/0900 PROB OF FOG MIST PROB OFMOD HVY SNOW FALL ISOL VIS POOR OCNL VERY POOR

NORTHERN WEDDELL SEA (60-68S 20-50W): SW 8 WITH GUSTS DECR 6/5 BY 20/0300 PROB OF MIST WORSENING PROB OFMOD ISOL SNOW FALL IMPR VIS MODERATE TO POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 8 WITH GUSTS DECR 3/4 BY 20/0000 VIS GOOD=