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SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 05, MAY 2025.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

488/2025 STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 63S-68S 65W-70W UNTIL 05/1500

489/2025 STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM N WITH GUST IN 64S-73S 85W-90W FROM 05/2100

490/2025 STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 62S-64S 50W-60W FROM 05/1500

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 984HPA 60S 60W MOV E NC

LOW 984HPA 65S 58W MOV SE DPN EXP 66S 50W BY 06/0000

HIGH 1009HPA 63S 89W MOV NE INTSF EXP 60S 75W BY 06/0000

RIDGE 60S 35W 70S 30W MOV E NC

041400 UTC 1.SEA ICE LIMIT 6903S 02000W 6600S 06540W 6553S 06613W 6346S 05812W 6259S 05603W 6447S 06401W 6423S 06306W 6341S 06037W 6555S 06601W 6440S 06241W 6407S 06144W 6602S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5447S 03902W 40X32NM A76C 6104S 04836W 16X7NM A74A 6109S 05105W 30X18NM A77 6351S 05433W 27X4NM A23C 5615S 03432W 10X5NM 3.ICEBERGS SMALLER THAN 10NM A80A 6132S 05222W 9X7NM ICEBERG1 6130S 05138W 9X3NM ICEBERG2 5525S 03543W 2X1NM ICEBERG3 6055S 03913W 3X1NM ICEBERG4 5239S 03553W 7X1NM ICEBERG5 6207S 03859W 2X1NM ICEBERG6 5535S 03310W 3X1NM ICEBERG7 5613S 03526W 4X1NM ICEBERG8 5509S 03723W 2X1NM ICEBERG9 5407S 03802W 3X1NM ICEBERG10 5241S 03632W 6X2NM ICEBERG11 6054S 04916W 6X5NM ICEBERG12 6128S 04925W 3X1NM ICEBERG13 5432S 03732W 8X1NM ICEBERG14 6210S 05144W 3X1NM ICEBERG15 6131S 04957W 2X1NM ICEBERG16 6217S 04331W 7X2NM ICEBERG17 6346S 05428W 6X2NM ICEBERG18 6431S 05540W 4X2NM ICEBERG19 6256S 05347W 5X1NM ICEBERG20 5248S 03614W 4X1NM ICEBERG21 5342S 04004W 2X1NM ICEBERG22 6130S 04934W 2X1NM ICEBERG23 6131S 04928W 3X1NM ICEBERG24 6406S 05427W 2X1NM 4.ICEBERGS AREA A: 6333S 02000W 4658S 02000W 4800S 04257W 6258S 04300W B: 6258S 04300W 5600S 04300W 5600S 04800W 6154S 05800W C: 6154S 05800W 6000S 05800W 6000S 06716W 6642S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-05-6

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 65W: VRB 3/4 VEER SW 6 WITH GUSTS BY 5/0300 PROB OF ISOL SH IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR N 5 VEER SW 7/8 GUST WITH 8 INTENSITY BY 5/1500 PROB OF FOG DISSIPATING DURING THE MORNING PROB OFISOL RAIN AND SNOW MIXTURE VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SW 8/7 WITH GUSTS DECR 5 WITH GUSTS BY 5/1500 PROB OF ISOL SH IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR N 5 VEER SECTOR S BY 5/1200 PROB OF FOG DISSIPATING DURING THE MORNING PROB OFISOL RAIN AND SNOW MIXTURE VIS VERY POOR TO MODERATE

GERLACHE STRAIT : SW 4/6 WITH GUSTS VIS GOOD

MARGARITA BAY : SW 4/6 WITH GUSTS VIS GOOD

EREBUS Y TERROR GULF : SECTOR N 4/5 VEER SW 7/8 GUST WITH 8 INTENSITY BY 5/1500 PROB OF FOG DISSIPATING DURING THE EARLY MORNING PROB OFISOL SNOW FALL VIS VERY POOR TO MODERATE

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: VRB 3/4 BACK SECTOR N 5/6 WITH GUSTS BY 5/1800 PROB OF FOG VIS VERY POOR TO POOR

NORTHER BELLINGSHAUSEN SEA E OF 80 - N OF 64S: SECTOR S 5/4 DECR VRB 3 BY 5/1800 VIS GOOD

NORTHER BELLINGSHAUSEN SEA W OF 80 - S OF 64S: SECTOR W 3/4 VEER SECTOR N 6/7 WITH GUSTS BY 5/0600 INCR 8 BY 5/2100 PROB OF FOG VIS VERY POOR TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 6/4 WITH GUSTS VEER NW BY 5/2300 VIS GOOD

SOUTHERN BELLINGSHAUSEN SEA W OF 80W: SECTOR W 3/4 VEER SECTOR N 6/7 WITH GUSTS BY 5/0600 INCR 8 BY 5/2100 PROB OF MIST PROB OF SNOW FALL VIS MODERATE OCNL POOR

SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: SW 5/4 WITH GUSTS VEER NW BY 5/2300 PROB OF MIST VIS MODERATE

NORTHERN WEDDELL SEA W OF 30W: SECTOR N 5/6 WITH GUSTS PROB OF FOG PROB OFISOL SNOW FALL VIS VERY POOR TO POOR

NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4 VEER SECTOR N 5/6 WITH GUSTS BY 5/1500 PROB OF MIST VIS MODERATE OCNL POOR

SOUTHERN WEDDELL SEA (68-78S 20-60W): NW 4/5 PROB OF MIST PROB OF SNOW FALL VIS MODERATE OCNL VERY POOR=