1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-02-22, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1026HPA 39S 45W MOV E WKN EXTENDS RIDGE AT 39S 45W 49S 29W 59S 18W
LOW 1005HPA 50S 62W MOV SE WKN EXTENDS CFNT AT 50S 62W 47S 63W 46S 66W MOV E
211400 UTC 1.SEA ICE LIMIT 7148S 02819W 6810S 03131W 6038S 03346W 6516S 03521W
6038S 03944W 6132S 04415W 6101S 04603W 6054S 04848W 6223S 05420W 6328S 05621W
6339S 06013W 6704S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4703S 03344W 26X22NM
A23K 5110S 03831W 11X8NM A76C 5932S 03829W 16X7NM B15AB 5939S 03436W 10X4NM
ICEBERG1 5039S 02216W 14X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG2 5746S 03544W
5X2NM ICEBERG3 5041S 03555W 4X2NM ICEBERG4 5150S 04014W 2X1NM ICEBERG5 5935S
04916W 5X4NM ICEBERG6 5143S 03902W 2X1NM ICEBERG7 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 2026-02-23
COASTAL AREAS:
INNER RIO DE LA PLATA: NW 3/4 TEMPO BACK SECTOR E BY 22/1800 VIS GOOD
OUTER RIO DE LA PLATA: NW 4/5 WITH GUSTS TEMPO BACK SECTOR E BY 22/1800 VIS
GOOD
URUGUAY SOUTH EAST COASTS: NW 4/5 WITH GUSTS TEMPO BACK SECTOR E BY 22/1500 PROB
OF ISOL RAIN VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 VEER NW 5/6 BY 22/1500 PROB
OF RAIN DURING THE MORNING FOG MIST DISSIPATING VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 FOG MIST DISSIPATING VIS
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/5 TEMPO BACK NW VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR E 4/5 BACK SECTOR W BY 23/0000
VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/6 WITH GUSTS BACK SECTOR N 6/7
WITH GUSTS BY 23/0000 PROB OF RAIN DURING THE EARLY MORNING VIS MODERATE OCNL
POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS VEER SECTOR N 6/7
WITH GUSTS BY 23/0300 PROB OF RAIN DURING THE EARLY MORNING VIS MODERATE OCNL
POOR
ISLAS MALVINAS COASTS: SECTOR S 4/5 BACK SECTOR N BY 23/0600 PROB OF RAIN DURING
THE MORNING VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 5/6 BACK SECTOR S 4/5 BY 22/1800
PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: SECTOR E 4/5 BACK SECTOR N BY 22/1500 VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR S 5/6 WITH GUSTS VEER NW 4/5
BY 23/0600 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 4/5 WITH GUSTS VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR N 5/6 WITH GUSTS BACK SECTOR W
4/5 WITH GUSTS BY 23/1200 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 4/5 WITH GUSTS VEER SECTOR N
6/7 WITH GUSTS BY 23/0900 PROB OF ISOL RAIN VIS MODERATE TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS VEER SECTOR N 6/7
GUST WITH 8 INTENSITY BY 23/0600 BACK SECTOR W BY 23/0900 PROB OF ISOL RAIN VIS
MODERATE TO POOR OCNL VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 22, FEBRUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
207/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-65S 90W-75W UNTIL 22/1800
208/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 62S-67S 55W-50W UNTIL 22/2100
209/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 WITH GUST IN 62S-67S 60W-40W UNTIL 22/2100
210/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-77S 40W-30W UNTIL 22/1500
211/2026 STRONG BARIC GRADIENT SOUTHERN WEDDELL SEA WILL PROVOKE WINDS FORCE 8 FROM SE WITH GUST VEER SECTOR S IN 70S-75S 50W-40W FROM 22/1500 UNTIL 23/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 956HPA 68S 85W MOV E WKN
RIDGE 64S 64W 63S 63W 61S 62W MOV E WKN
LOW 963HPA 70S 45W MOV E DPN
211400 UTC 1.SEA ICE LIMIT 7148S 02819W 6810S 03131W 6038S 03346W 6516S 03521W 6038S 03944W 6132S 04415W 6101S 04603W 6054S 04848W 6223S 05420W 6328S 05621W 6339S 06013W 6704S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 4703S 03344W 26X22NM A23K 5110S 03831W 11X8NM A76C 5932S 03829W 16X7NM B15AB 5939S 03436W 10X4NM ICEBERG1 5039S 02216W 14X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG2 5746S 03544W 5X2NM ICEBERG3 5041S 03555W 4X2NM ICEBERG4 5150S 04014W 2X1NM ICEBERG5 5935S 04916W 5X4NM ICEBERG6 5143S 03902W 2X1NM ICEBERG7 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 2026-02-23
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT : NW 6/5 WITH GUSTS DECR NW 4/5 BY 23/0000 PROB OF ISOL DRIZZLE RAIN WORSENING STARTING EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 55W: NW 6/5 WITH GUSTS DECR NW 4 BY 23/0000 PROB OF MIST PROB OFISOL RAIN WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 8 WITH GUSTS DECR NW 6 WITH GUSTS BY 23/0000 PROB OF ISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
GERLACHE STRAIT : N 4/5 VEER NE 5 BY 23/0300 PROB OF MIST PROB OFCOASTAL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
MARGARITA BAY : NE 5/7 WITH GUSTS DECR SECTOR E 6 BY 23/0300 PROB OF ISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NW 8 WITH GUSTS DECR NW 6/5 WITH GUSTS BY 22/1800 PROB OF MIST VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 65S: NW 8 WITH GUSTS BACK SECTOR W 7 BY 22/1800 PROB OF MIST PROB OFSCT SH SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 WITH GUSTS VEER SECTOR W 5/6 BY 22/2100 PROB OF MIST PROB OFMOD SNOW FALL IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SE 7 GUST WITH 8 INTENSITY DECR SE 5 WITH GUSTS BY 23/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR GRADUALLY DURING THE NIGTH VIS POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 66S: SECTOR W 8 WITH GUSTS DECR SECTOR W 7/5 WITH GUSTS BY 23/0000 PROB OF MIST PROB OFMOD RAIN AND SNOW MIXTURE IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 4/5 WITH GUSTS INCR SECTOR W 6/8 WITH GUSTS BY 23/0300 PROB OF MIST FOG PATCHES PROB OFMOD SNOW FALL WORSENING STARTING EVENING VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN WEDDELL SEA W OF 40W: SECTOR S 8 WITH GUSTS VEER SW 8 WITH GUSTS BY 23/0000 PROB OF FOG MIST PROB OFMOD SNOW FALL WORSENING STARTING NOON VIS POOR TO MODERATE=