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1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 12, MAY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

518/2025 OCCLUDED FRONT AT 68S 70W 68S 70W 64S 70W MOV S PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 68S-74S 70W-90W UNTIL 12/1500

519/2025 LOW 982HPA AT 60S 72W MOV SE PROVOKES WINDS FORCE 9 IN 60S-64S 50W-72W

520/2025 STRONG BARIC GRADIENT MOV S WILL PROVOKE WINDS FORCE 9 FROM SECTOR N WITH GUST IN 60S-70S 65W-80W FROM 12/0600

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 960HPA 62S 90W MOV E DPN

LOW 968HPA 63S 81W MOV S WKN

LOW 963HPA 68S 81W MOV SW EXTENDS OFNT AT 68S 81W 68S 70W 64S 70W MOV S

LOW 982HPA 60S 72W MOV SE DPN

RIDGE 60S 54W 70S 52W 75S 50W MOV E WKN

111400 UTC 1.SEA ICE LIMIT 6821S 02000W 6625S 06712W 6329S 05542W 6525S 06520W 6500S 06400W 6448S 06401W 6442S 06419W 6434S 06414W 6811S 06658W 6539S 06602W 6437S 06259W 6343S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5447S 03901W 40X32NM A76C 6057S 04828W 16X7NM A74A 6053S 05213W 30X18NM A77 6351S 05447W 27X4NM A23C 5544S 03425W 10X5NM 3.ICEBERGS SMALLER THAN 10NM A80A 6124S 05228W 9X7NM ICEBERG1 6052S 05029W 9X3NM ICEBERG2 5525S 03543W 2X1NM ICEBERG3 6056S 03844W 3X1NM ICEBERG4 5218S 03535W 7X1NM ICEBERG5 6200S 03803W 2X1NM ICEBERG6 5515S 03333W 3X1NM ICEBERG7 5626S 03537W 4X1NM ICEBERG8 5529S 03725W 2X1NM ICEBERG9 5247S 03715W 6X2NM ICEBERG10 6048S 04858W 6X5NM ICEBERG11 6121S 04848W 3X1NM ICEBERG12 6140S 04901W 2X1NM ICEBERG13 6209S 04254W 7X2NM ICEBERG14 6326S 05413W 4X2NM ICEBERG15 5215S 03731W 4X1NM ICEBERG16 5337S 04018W 2X1NM ICEBERG17 6112S 04901W 2X1NM ICEBERG18 6118S 04856W 2X1NM ICEBERG19 5203S 03710W 3X1NM ICEBERG20 6322S 05410W 3X1NM ICEBERG21 6313S 04127W 3X1NM 4.ICEBERGS AREA A: 5235S 02000W 4800S 02000W 4900S 04300W 5900S 04300W B: 6330S 02000W 5200S 02000W 5500S 05000W 6500S 05000W C: 5515S 05000W 6500S 05000W 6830S 06716W 6030S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-05-13

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 8/9 PROB OF FOG MIST SPELLS OF GOOD WEATHER DURING THE MORNING PROB OFMOD HVY RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO POOR OCNL GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 VEER N 8/9 BY 12/1200 PROB OF FOG MIST PROB OF RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR TO POOR OCNL MODERATE

MAR DE LA FLOTA COASTS W OF 60W: N 5/6 VEER NE 8/9 BY 12/0900 PROB OF FOG MIST PROB OFMOD HVY RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS VERY POOR OCNL POOR

MAR DE LA FLOTA COASTS REST OF THE AREA: NE 4/5 BACK NW BY 12/0600 BACK N 8/9 BY 12/1200 PROB OF FOG MIST PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS VERY POOR OCNL MODERATE

GERLACHE STRAIT : NE 8/9 WITH GUSTS PROB OF ISOL SNOW FALL VIS GOOD OCNL MODERATE

MARGARITA BAY : SECTOR E 6/7 GUST WITH 8 INTENSITY INCR 8/9 WITH GUSTS BY 12/1800 PROB OF INTERMITTENT SNOW FALL VIS MODERATE OCNL POOR

EREBUS Y TERROR GULF : NE 4/5 BACK NW 6 WITH GUSTS BY 12/0600 BACK SECTOR N 8/9 BY 12/1200 PROB OF FOG AND MIST IN PATCHES PROB OFMOD HVY SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR OCNL POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 82 - N OF 65S: NW 6/7 WITH GUSTS BACK W 4/5 BY 12/1200 PROB OF FOG MIST IMPR TOWARDS THE END OF THE PERIOD PROB OFISOL RAIN SNOW FALL VIS VERY POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA E OF 82 - N OF 65S: SECTOR N 6 WITH GUSTS VEER NE 8/9 BY 12/0600 BACK SECTOR W BY 12/1500 PROB OF FOG MIST PROB OFMOD HVY RAIN SNOW FALL VIS VERY POOR OCNL POOR

NORTHER BELLINGSHAUSEN SEA W OF 82 - S OF 65S: E 8/9 WITH GUSTS DECR 5 BY 12/0300 PROB OF MIST PROB OF SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR OCNL GOOD

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 8/9 WITH GUSTS DECR 5/4 BY 12/0300 VEER SECTOR E 8/9 WITH GUSTS BY 12/1500 PROB OF MIST PROB OF SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR OCNL MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SE 8 GUST WITH 9 INTENSITY BACK SECTOR E 4/5 BY 12/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR OCNL MODERATE

NORTHERN WEDDELL SEA W OF 40W: VRB 3/4 VEER SECTOR N 4/5 BY 12/0900 PROB OF MIST VIS MODERATE OCNL POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 WITH GUSTS VEER W 3/4 BY 12/1800 PROB OF MIST VIS MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 6/5 WITH GUSTS VEER NW 4 BY 12/1200 VIS GOOD=