1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-02-18, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 80: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S 30W-40W FROM 18/1800
WARNING 79: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST
IN SOUTH WEST AREA (50S- 60S AND 40W- 60W)
PART 2 GENERAL SYNOPSIS AT 09:00UTC
171400 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 4819S 03550W 26X22NM
A23J 5046S 03917W 11X8NM A23K 5113S 03939W 11X8NM A76C 5929S 03825W 16X7NM B15AB
5358S 03434W 10X4NM ICEBERG1 5106S 02159W 14X3NM 3.ICEBERGS SMALLER THAN 10NM
ICEBERG2 5804S 03609W 5X2NM ICEBERG3 5046S 03851W 4X2NM ICEBERG4 5153S 04001W
2X1NM ICEBERG5 5936S 04850W 5X4NM ICEBERG6 5145S 03901W 2X1NM ICEBERG7 5110S
02235W 8X2NM ICEBERG8 5029S 03533W 4X1NM 4.ICEBERGS AREA A 7000S 02000W 4400S
02000W 4515S 04010W 6040S 03920W B 6040S 03920W 4735S 04000W 4805S 04445W 6127S
05120W C 6127S 05120W 5825S 04935W 6458S 06716W 6910S 06716W
HIGH 1029HPA 55S 27W MOV E WKN
LOW 978HPA 59S 50W MOV SE DPN EXTENDS CFNT AT 59S 50W 50S 53W 43S 59W MOV E
LOW 1010HPA 42S 60W MOV NE WKN
LOW 981HPA 63S 68W MOV SE WKN EXTENDS CFNT AT 63S 68W 56S 61W 50S 65W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-02-19
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 FOG AND MIST IN PATCHES DISSIPATING VIS
MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR E 4/5 WITH GUSTS FOG AND MIST IN PATCHES
DISSIPATING VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 FOG AND MIST IN PATCHES DISSIPATING VIS
MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 PROB OF ISOL RAIN VIS GOOD
OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 WITH GUSTS BACK SECTOR S
3/4 BY 18/1800 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 3/4 WITH GUSTS PROB OF ISOL
RAIN STORMS FOG AND MIST IN PATCHES DISSIPATING VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 3/4 BACK SECTOR N 5 WITH GUSTS
BY 19/0000 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 WITH GUSTS VEER SECTOR N 6/7
WITH GUSTS FOG AND MIST IN PATCHES DISSIPATING VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS VEER SECTOR N 6/7
WITH GUSTS FOG AND MIST IN PATCHES DISSIPATING PROB OF ISOL RAIN VIS MODERATE
OCNL POOR
ISLAS MALVINAS COASTS: SECTOR W 5 WITH GUSTS VEER SECTOR N 6/7 WITH GUSTS BY
19/1200 PROB OF RAIN VIS GOOD TO MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR E 6/7 GUST WITH 8 INTENSITY
BACK SECTOR N BY 19/0600 PROB OF RAIN STORMS VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR E 4/5 WITH GUSTS PROB OF ISOL RAIN VIS GOOD TO
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR E 5/6 WITH GUSTS VEER
SECTOR S WITH GUSTS BY 19/0900 PROB OF ISOL RAIN VIS POOR
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE TO
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR N 5/6 WITH GUSTS VEER SECTOR S
WITH GUSTS BY 19/0600 PROB OF ISOL RAIN STORMS VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) W OF 30W - S OF 55S: NW 6/7 WITH GUSTS
BACK SECTOR W 8 WITH GUSTS BY 18/1800 PROB OF ISOL RAIN VIS VERY POOR TO POOR
REST OF THE AREA: NW 6/7 WITH GUSTS PROB OF ISOL RAIN VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 8 WITH GUSTS DECR 6/5 WITH
GUSTS BY 19/0300 PROB OF ISOL RAIN VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS VEER SECTOR N BY
19/0900 PROB OF ISOL RAIN VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 18, FEBRUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
172/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST VEER SW 9 WITH GUST BY 18/2100 IN 60S-64S 50W-30W UNTIL 19/1200
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 972HPA 60S 46W MOV SE DPN
RIDGE 70S 41W 67S 37W 63S 32W MOV E WKN
171400 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 4819S 03550W 26X22NM A23J 5046S 03917W 11X8NM A23K 5113S 03939W 11X8NM A76C 5929S 03825W 16X7NM B15AB 5358S 03434W 10X4NM ICEBERG1 5106S 02159W 14X3NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG2 5804S 03609W 5X2NM ICEBERG3 5046S 03851W 4X2NM ICEBERG4 5153S 04001W 2X1NM ICEBERG5 5936S 04850W 5X4NM ICEBERG6 5145S 03901W 2X1NM ICEBERG7 5110S 02235W 8X2NM ICEBERG8 5029S 03533W 4X1NM 4.ICEBERGS AREA A 7000S 02000W 4400S 02000W 4515S 04010W 6040S 03920W B 6040S 03920W 4735S 04000W 4805S 04445W 6127S 05120W C 6127S 05120W 5825S 04935W 6458S 06716W 6910S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-02-19
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 6 DECR NW 4/5 BY 18/2300 VEER NE 5 BY 19/0900 PROB OF ISOL RAIN IMPR GRADUALLY DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: VRB 3 INCR SECTOR W 5/6 WITH GUSTS BY 19/0000 PROB OF MIST PROB OFISOL DRIZZLE RAIN IMPR DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 6 DECR NW 4/5 BY 18/2300 VEER NE 5 BY 19/0900 PROB OF ISOL RAIN IMPR GRADUALLY DURING THE MORNING VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: VRB 3 PROB OF ISOL MIST IMPR DURING THE MORNING VIS MODERATE TO GOOD
GERLACHE STRAIT : NE 5/6 DECR VRB 3 BY 18/2100 INCR NE 5/6 BY 19/0900 PROB OF MIST PROB OFISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR
MARGARITA BAY : NE 4/5 INCR NE 6/7 BY 19/0900 PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO POOR
EREBUS Y TERROR GULF : VRB 3 PROB OF MIST PROB OFISOL DRIZZLE SNOW FALL WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: NW 5/6 WITH GUSTS DECR SECTOR N 4 BY 18/2100 PROB OF MIST PROB OFISOL RAIN WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 3/4 INCR SECTOR N 5 BY 18/2100 PROB OF ISOL RAIN WORSENING DURING THE NIGTH VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 4/5 INCR NE 6/7 WITH GUSTS BY 18/2100 PROB OF ISOL RAIN SNOW FALL WORSENING SLOWLY DURING THE EVENING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 8 WITH GUSTS BACK SW 9 WITH GUSTS BY 18/2100 PROB OF MIST PROB OFMOD RAIN WORSENING DURING THE MORNING VIS MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 4 INCR SE 6 BY 19/0000 PROB OF MIST DISSIPATING DURING THE MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): VRB 3 PROB OF ISOL SNOW FALL SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE=