WWAA02 SAWB 201200

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

12:00 UTC 20, FEBRUARY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 STORM WARNING:

183/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 10 FROM NE WITH GUST BACK SECTOR N IN 60S-68S 90W-70W UNTIL 22/0300

GALE WARNING:

182/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV S WEAKENING PROVOKES WINDS FORCE 9 FROM NE WITH GUST VEER SECTOR E IN 66S-72S 90W-70W UNTIL 21/0300

184/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV SE WEAKENING WILL PROVOKE WINDS FORCE 8 FROM NE IN 64S-69S 70W-65W FROM 20/2100 UNTIL 21/0600

185/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 64S-67S 57W-50W FROM 21/0300 UNTIL 21/1200

PART 2 GENERAL SYNOPSIS AT 09:00UTC

LOW 941HPA 62S 90W MOV E WKN

RIDGE 68S 42W 64S 41W 60S 37W MOV E NC

191400 UTC 1.SEA ICE LIMIT 7157S 02703W 7257S 03032W 6844S 03132W 6546S 03248W 6545S 03254W 6136S 03440W 6408S 03702W 6110S 03745W 6033S 04151W 6307S 05553W 6629S 06633W 6631S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4801S 03437W 26X22NM A23K 5058S 03855W 11X8NM A76C 5931S 03832W 16X7NM B15AB 5342S 03439W 10X4NM ICEBERG1 5100S 02130W 14X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG2 5753S 03602W 5X2NM ICEBERG3 5056S 03815W 4X2NM ICEBERG4 5149S 04007W 2X1NM ICEBERG5 5934S 04856W 5X4NM ICEBERG6 5143S 03902W 2X1NM ICEBERG7 5003S 03455W 4X1NM ICEBERG8 5112S 03939W 8X5NM 4.ICEBERGS AREA A 6945S 02000W 4509S 02000W 4620S 03500W 6105S 03520W B 6105S 03520W 4755S 03450W 4800S 04315W 6100S 04830W C 6100S 04830W 5600S 04700W 6358S 06716W 6910S 06716W

PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-02-21

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 3/4 WITH GUSTS BACK SW 6 WITH GUSTS BY 20/1500 AFTERWARDS SECTOR N 4 BY 21/0000 PROB OF INTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 3/4 DECR VRB 3 BY 20/1800 PROB OF MIST FOG PATCHES IMPR DURING THE MORNING VIS MODERATE TO GOOD OCNL VERY POOR

MAR DE LA FLOTA COASTS W OF 60W: NE 3/4 WITH GUSTS BACK SW 6 WITH GUSTS BY 20/1500 AFTERWARDS SECTOR N 4 BY 21/0000 PROB OF INTERMITTENT RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

MAR DE LA FLOTA COASTS REST OF THE AREA: NE 3/4 DECR VRB 3 BY 20/1800 PROB OF MIST FOG PATCHES IMPR DURING THE MORNING VIS MODERATE TO GOOD OCNL VERY POOR

GERLACHE STRAIT : NE 8 WITH GUSTS DECR NE 7/6 BY 20/2200 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

MARGARITA BAY : NE 4/5 INCR NE 8 BY 20/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

EREBUS Y TERROR GULF : VRB 3 VEER NE 4 BY 20/1500 AFTERWARDS NE 6 WITH GUSTS BY 20/2100 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS MODERATE TO POOR OCNL VERY POOR

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 10 WITH GUSTS VEER SECTOR N 10 WITH GUSTS BY 20/1800 PROB OF MIST PROB OFMOD RAIN IMPR GRADUALLY DURING THE NIGTH VIS MODERATE TO POOR

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 8 WITH GUSTS INCR NW 9 WITH GUSTS BY 20/1800 PROB OF MIST PROB OFMOD RAIN SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA W OF 80W: NE 8 WITH GUSTS DECR SECTOR N 4 BY 20/2000 AFTERWARDS SECTOR E 6 WITH GUSTS BY 20/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: NE 6/7 WITH GUSTS INCR NE 8 BY 20/1500 PROB OF INTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR

NORTHERN WEDDELL SEA (60-68S 20-50W): VRB 3 INCR NE 5/6 BY 21/0000 PROB OF MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD

SOUTHERN WEDDELL SEA W OF 40W: SECTOR N 3/4 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS GOOD OCNL MODERATE

SOUTHERN WEDDELL SEA REST OF THE AREA: SE 3/4 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS GOOD OCNL MODERATE=