1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-02-22, 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
211400 UTC 1.SEA ICE LIMIT 7144S 02000W 7107S 02957W 6827S 03636W 6728S 04217W
6535S 04644W 6338S 04745W 6152S 04846W 6147S 05411W 6305S 05802W 6337S 06159W
6444S 06514W 6540S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5540S 04021W 40X32NM
A23B 5808S 03933W 10X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6207S 05545W
9X3NM ICEBERG2 5524S 03548W 2X1NM ICEBERG3 6213S 02804W 2X2NM ICEBERG4 6236S
05011W 8X3NM ICEBERG5 6308S 04436W 3X1NM ICEBERG6 6353S 03537W 2X1NM ICEBERG7
5535S 03727W 3X1NM ICEBERG8 6310S 04746W 2X1NM ICEBERG9 4536S 02913W 12X3NM
ICEBERG10 4532S 02924W 4X2NM ICEBERG11 4531S 02918W 4X2NM ICEBERG12 4527S 02924W
4X1NM 4.ICEBERGS AREA A: 7300S 02000W 4500S 02000W 4500S 03300W 7200S 03500W B:
6500S 05000W 5900S 05400W 4900S 03300W 7200S 03500W C: 5600S 06500W 6500S 05000W
6900S 06716W 5900S 05400W
LOW 1009HPA 41S 31W MOV SE EXTENDS CFNT AT 38S 28W 35S 30W MOV NE
LOW 973HPA 59S 61W MOV SE DPN EXTENDS CFNT AT 51S 64W 54S 60|W 58S 60W MOV E
WFNT AT 50S 21W 55S 26W 59S 36W MOV SE
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-02-23
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/5 LOW PROB OF ISOL SH STORMS SPELLS OF GOOD
WEATHER VIS GOOD OCNL POOR
OUTER RIO DE LA PLATA: SECTOR N 5/6 WITH GUSTS LOW PROB OF ISOL SH STORMS SPELLS
OF GOOD WEATHER VIS GOOD OCNL POOR
URUGUAY SOUTH EAST COASTS: NE 5/6 WITH GUSTS BACK SECTOR N WITH GUSTS BY 23/0600
LOW PROB OF ISOL SH STORMS SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 5/6 WITH GUSTS LOW PROB OF HVY
RAIN STORMS VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS PROB OF HVY
RAIN STORMS VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): NW 5 WITH GUSTS BACK SW BY 23/0300 LOW
PROB OF ISOL STORMS STARTING EVENING VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 7 GUST WITH 8 INTENSITY BACK SECTOR W
WITH GUSTS BY 23/0000 VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): NW 7 GUST WITH 8 INTENSITY PROB OF ISOL
RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): NW 7 GUST WITH 8 INTENSITY PROB OF ISOL RAIN
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: NW 7/6 WITH GUSTS PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 45W: SECTOR N 5/6 WITH GUSTS LOW PROB OF
ISOL SH STORMS VIS GOOD OCNL MODERATE
W OF 35 - E OF 45W: SECTOR W 6 WITH GUSTS LOW PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: NW 7 WITH GUSTS BACK SECTOR W WITH GUSTS BY 23/0300 PROB OF
RAIN STORMS VIS POOR OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30 - N OF 45S: VRB 5 DECR SECTOR
W 4 BY 23/0300 PROB OF ISOL RAIN VIS MODERATE
E OF 30 - N OF 45S: SECTOR N 6 WITH GUSTS VEER VRB BY 23/0000 PROB OF RAIN VIS
POOR OCNL MODERATE
REST OF THE AREA: NW 5/4 LOW PROB OF ISOL RAIN VIS MODERATE OCNL GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: NW 6 WITH GUSTS PROB OF ISOL
HVY SH STORMS VIS MODERATE OCNL POOR
REST OF THE AREA: NW 6 WITH GUSTS LOW PROB OF ISOL RAIN VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 6/5 WITH GUSTS VEER NW 6/7
WITH GUSTS BY 22/0300 PROB OF ISOL RAIN VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): NW 7 GUST WITH 8 INTENSITY PROB OF ISOL
RAIN VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): NW 7 GUST WITH 8 INTENSITY PROB OF ISOL RAIN
SPELLS OF GOOD WEATHER VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 22, FEBRUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
160/2025 LOW 965HPA AT 69S 88W MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 68S-73S 72W-88W UNTIL 22/2300
161/2025 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE WEAKENING PROVOKES WINDS FORCE 8 FROM NE BACK NW GUST WITH 9 INTENSITY IN 620S-63S 50W-60W UNTIL 23/0900
162/2025 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST IN 65S-69S 65W-70W UNTIL 23/1800
163/2025 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 63S-68S 58W-50W FROM 23/0300 UNTIL 23/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 965HPA 69S 88W MOV S WKN
LOW 978HPA 70S 45W MOV E WKN
LOW 973HPA 61S 61W MOV SE DPN
LOW 967HPA 65S 75W MOV E WKN
211400 UTC 1.SEA ICE LIMIT 7144S 02000W 7107S 02957W 6827S 03636W 6728S 04217W 6535S 04644W 6338S 04745W 6152S 04846W 6147S 05411W 6305S 05802W 6337S 06159W 6444S 06514W 6540S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5540S 04021W 40X32NM A23B 5808S 03933W 10X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 6207S 05545W 9X3NM ICEBERG2 5524S 03548W 2X1NM ICEBERG3 6213S 02804W 2X2NM ICEBERG4 6236S 05011W 8X3NM ICEBERG5 6308S 04436W 3X1NM ICEBERG6 6353S 03537W 2X1NM ICEBERG7 5535S 03727W 3X1NM ICEBERG8 6310S 04746W 2X1NM ICEBERG9 4536S 02913W 12X3NM ICEBERG10 4532S 02924W 4X2NM ICEBERG11 4531S 02918W 4X2NM ICEBERG12 4527S 02924W 4X1NM 4.ICEBERGS AREA A: 7300S 02000W 4500S 02000W 4500S 03300W 7200S 03500W B: 6500S 05000W 5900S 05400W 4900S 03300W 7200S 03500W C: 5600S 06500W 6500S 05000W 6900S 06716W 5900S 05400W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-02-23
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 4/5 VEER SECTOR N 5/4 BY 23/0600 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 6/7 GUST WITH 8 INTENSITY BACK NW 8 WITH GUSTS BY 22/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE NIGTH VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 VEER SECTOR N 5/4 BY 23/0600 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/5 GUST WITH 8 INTENSITY BACK SECTOR W 8 GUST WITH 8 INTENSITY BY 22/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE
GERLACHE STRAIT : NE 5/7 GUST WITH 8 INTENSITY VEER SECTOR E 7 GUST WITH 8 INTENSITY BY 22/1800 PROB OF ISOL RAIN WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MARGARITA BAY : NE 5/7 GUST WITH 8 INTENSITY VEER SECTOR E 8 GUST WITH 9 INTENSITY BY 22/1800 PROB OF ISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NE 3/4 BACK SW 5/7 GUST WITH 9 INTENSITY BY 22/2100 PROB OF FOG MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR S 3/4 VEER SW 4/3 BY 22/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 5/6 VEER SECTOR E 7 GUST WITH 8 INTENSITY BY 22/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 GUST WITH 9 INTENSITY DECR SECTOR E 6/5 BY 22/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64 - W OF 40W: NW 5/7 WITH GUSTS VEER SECTOR N 8 WITH GUSTS BY 22/1800 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64 - E OF 40W: NW 5/6 VEER SECTOR N 7/8 GUST WITH 9 INTENSITY BY 22/2100 PROB OF MIST PROB OFISOL RAIN AND SNOW MIXTURE WORSENING TOWARDS NIGTH VIS MODERATE TO POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NW 4/5 BACK SW 4 BY 22/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 3/4 BACK NE 5/6 WITH GUSTS BY 22/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR=