1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-01-17, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 28: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM NW INCR
BETWEEN 50S-55S 20W-40W FROM 17/1200
WARNING 27: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM NW WITH
GUST BETWEEN 45S-55S AND 40W-50W FROM 17/0300 UNTIL 17/1200
WARNING 26: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST
IN SOUTH PATAGONIA COASTS UNTIL 17/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
CFNT AT 60S 21W 55S 26W 52S 29W MOV E NC
LOW 990HPA 51S 29W MOV E NC EXTENDS CFNT AT 51S 28W 44S 32W 36S 43W MOV E
HIGH 1017HPA 37S 52W MOV SE WKN EXP 40S 30W BY 18/0000 EXTENDS RIDGE AT 37S 52W
42S 45W 51S 42W MOV E
LOW 981HPA 57S 58W MOV E NC EXP 57S 26W BY 18/0000 EXTENDS CFNT AT 57S 58W 51S
55W 42S 65W MOV E
LOW 984HPA 57S 69W MOV E WKN EXTENDS OFNT AT 57S 72W 58S 65W 57S 58W
161400 UTC 1.SEA ICE LIMIT 6635S 01955W 6137S 02057W 6056S 02339W 6214S 03041W
6204S 03518W 6146S 03910W 6132S 04010W 6219S 04452W 6059S 04840W 6045S 05157W
6336S 06030W 6559S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5243S 04125W 26X22NM
A74A 5814S 02026W 23X13NM A77 5001S 02825W 27X4NM A76C 6032S 03802W 16X7NM B15AB
5846S 03808W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4927S 03833W 7X2NM
ICEBERG2 5239S 03916W 7X3NM ICEBERG3 5131S 03751W 3X1NM ICEBERG4 5227S 03912W
4X1NM ICEBERG5 5352S 04121W 4X1NM ICEBERG6 5100S 03714W 5X4NM ICEBERG7 5029S
03021W 3X1NM ICEBERG8 5022S 02930W 2X1NM ICEBERG9 5210S 04117W 2X1NM ICEBERG10
5030S 03618W 4X1NM ICEBERG11 5226S 04029W 2X1NM ICEBERG12 6045S 04528W 3X3NM
ICEBERG13 6124S 04653W 4X3NM ICEBERG14 5929S 05007W 7X2NM ICEBERG15 5105S 03723W
2X1NM ICEBERG16 5101S 04006W 9X3NM ICEBERG17 5226S 04019W 4X1NM ICEBERG18 5143S
03613W 2X1NM ICEBERG19 5742S 03422W 5X1NM ICEBERG20 5222S 03916W 3X1NM ICEBERG21
5218S 04025W 4X1NM ICEBERG22 5221S 04030W 2X1NM ICEBERG23 5049S 03846W 3X1NM
ICEBERG24 5137S 04115W 5X2NM ICEBERG25 5954S 03401W 5X2NM ICEBERG26 5154S 04114W
2X1NM ICEBERG27 5246S 04137W 8X3NM ICEBERG28 5250S 04144W 9X9NM ICEBERG29 5254S
04134W 4X2NM ICEBERG30 4953S 02824W 4X1NM ICEBERG31 5258S 04146W 3X1NM ICEBERG32
5243S 04143W 3X1NM 4.ICEBERGS AREA A 6200S 02000W 4506S 02000W 4456S 03456W
6108S 03447W B 6108S 03447W 4456S 03456W 4956S 04506W 6221S 04506W C 6221S
04506W 4956S 04506W 6402S 06716W 6852S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-01-18
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/3 BACK VRB 3 BY 17/1500 AFTERWARDS SE 3/4 WITH
GUSTS BY 17/2100 WORSENING WITH PROB OF SH RAIN TOWARDS THE END OF THE PERIOD
VIS GOOD TO MODERATE
OUTER RIO DE LA PLATA: NE 4 VEER N 3 BY 17/1200 VEER SECTOR S 4/5 WITH GUSTS BY
17/2100 WORSENING WITH PROB OF SH STORMS TOWARDS THE END OF THE PERIOD VIS GOOD
TO MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 3 BACK SECTOR N 3 BY 17/1500 VEER NE 3/4
WITH GUSTS BY 17/2100 VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 6 WITH GUSTS BACK SECTOR S 6
GUST WITH 8 INTENSITY BY 17/2100 WORSENING WITH PROB OF HVY RAIN STORMS STARTING
EVENING VIS MODERATE TO POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 6 GUST WITH 8 INTENSITY BACK
SECTOR S 6 GUST WITH 8 INTENSITY BY 17/1200 WORSENING WITH PROB OF HVY RAIN
STORMS STARTING EVENING NEXT IMPR VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): S 5/6 GUST WITH 8 INTENSITY DECR 5 WITH
GUSTS BY 17/2100 PROB OF ISOL SH RAIN IMPR STARTING EVENING VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 6/7 GUST WITH 8 INTENSITY PROB OF SH
RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): SW 8 WITH GUSTS DECR 7/6 GUST WITH 8
INTENSITY BY 17/0900 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 6 GUST WITH 8 INTENSITY BACK SECTOR
S 6 GUST WITH 8 INTENSITY BY 17/1200 PROB OF INTERMITTENT SH RAIN VIS POOR OCNL
MODERATE
ISLAS MALVINAS COASTS: SECTOR W 6 GUST WITH 8 INTENSITY BACK SECTOR S 6 GUST
WITH 8 INTENSITY BY 17/1200 PROB OF INTERMITTENT SH RAIN VIS POOR OCNL
MODERATE.
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: NW 5 WITH GUSTS WORSENING WITH PROB
OF ISOL SH STORMS VIS MODERATE OCNL POOR
E OF 45W: NW 5 WITH GUSTS VEER VRB 3 BY 17/0900 AFTERWARDS SECTOR N 3/4 BY
17/1800 PROB OF HVY RAIN STORMS NXT PROB OFISOL RAIN STORMS VIS POOR OCNL
MODERATE
REST OF THE AREA: SECTOR E 4 BACK NW 5 WITH GUSTS BY 17/0900 BACK SW 6 GUST
WITH 8 INTENSITY BY 17/2200 WORSENING WITH PROB OF RAIN STORMS TOWARDS THE END
OF THE PERIOD VIS GOOD TO MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 6/5 WITH GUSTS
VEER VRB 4 BY 17/1200 PROB OF SH RAIN NXT ISOL RAIN STORMS VIS POOR OCNL
MODERATE
W OF 30 - N OF 45S: SECTOR S 4/3 BACK SECTOR N 4/5 BY 17/1800 PROB OF SH RAIN
IMPR VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR W 6/5 GUST WITH 8 INTENSITY VEER NW 7 GUST WITH 8
INTENSITY BY 17/1200 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: VRB 3 VEER NW 5/6
GUST WITH 8 INTENSITY BY 17/0900 VIS GOOD TO MODERATE
E OF 50 - S OF 45S: NW 7/8 WITH GUSTS DECR 5 WITH GUSTS BY 17/1500 WORSENING
WITH PROB OF HVY RAIN STORMS VIS MODERATE TO POOR OCNL VERY POOR
REST OF THE AREA: NW 7/6 GUST WITH 8 INTENSITY VEER SW 6 GUST WITH 8 INTENSITY
BY 17/1800 PROB OF SH RAIN VIS POOR OCNL MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: W 7/6 GUST WITH 8 INTENSITY
VEER NW 8/9 WITH GUSTS BY 17/1200 PROB OF SH RAIN VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY VRB 5 WITH GUSTS BY 17/1500
PROB OF ISOL RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: NW 7 GUST WITH 8
INTENSITY VEER W 6 GUST WITH 8 INTENSITY BY 17/0900 PROB OF DRIZZLE RAIN NXT
RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR
E OF 50 - S OF 55S: VRB 4 VEER SECTOR E 5/6 GUST WITH 8 INTENSITY BY 17/1500
PROB OF RAIN AND SNOW MIXTURE NXT ISOL SNOW FALL VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 5 BACK SECTOR S 5/6 GUST WITH 8 INTENSITY BY 17/0900
PROB OF SH RAIN NXT SNOW FALL VIS POOR OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 4/5 VEER SW 5/6 WITH GUSTS BY
17/1800 PROB OF INTERMITTENT DRIZZLE RAIN VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 17, JANUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
18/2026 STRONG BARIC GRADIENT ON MOV E WEAKENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N IN NORTHER BELLINGSHAUSEN SEA IN 60S-66S 70W-90W FROM 17/1500
19/2026 STRONG BARIC GRADIENT ON MOV N DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR S IN MAR DE LA FLOTA COASTS IN 62S-64S 50W-60W FROM 17/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 984HPA 63S 62W MOV E WKN
LOW 980HPA 68S 55W MOV NE WKN
HIGH 997HPA 62S 85W MOV E WKN
161400 UTC 1.SEA ICE LIMIT 6635S 01955W 6137S 02057W 6056S 02339W 6214S 03041W 6204S 03518W 6146S 03910W 6132S 04010W 6219S 04452W 6059S 04840W 6045S 05157W 6336S 06030W 6559S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5243S 04125W 26X22NM A74A 5814S 02026W 23X13NM A77 5001S 02825W 27X4NM A76C 6032S 03802W 16X7NM B15AB 5846S 03808W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4927S 03833W 7X2NM ICEBERG2 5239S 03916W 7X3NM ICEBERG3 5131S 03751W 3X1NM ICEBERG4 5227S 03912W 4X1NM ICEBERG5 5352S 04121W 4X1NM ICEBERG6 5100S 03714W 5X4NM ICEBERG7 5029S 03021W 3X1NM ICEBERG8 5022S 02930W 2X1NM ICEBERG9 5210S 04117W 2X1NM ICEBERG10 5030S 03618W 4X1NM ICEBERG11 5226S 04029W 2X1NM ICEBERG12 6045S 04528W 3X3NM ICEBERG13 6124S 04653W 4X3NM ICEBERG14 5929S 05007W 7X2NM ICEBERG15 5105S 03723W 2X1NM ICEBERG16 5101S 04006W 9X3NM ICEBERG17 5226S 04019W 4X1NM ICEBERG18 5143S 03613W 2X1NM ICEBERG19 5742S 03422W 5X1NM ICEBERG20 5222S 03916W 3X1NM ICEBERG21 5218S 04025W 4X1NM ICEBERG22 5221S 04030W 2X1NM ICEBERG23 5049S 03846W 3X1NM ICEBERG24 5137S 04115W 5X2NM ICEBERG25 5954S 03401W 5X2NM ICEBERG26 5154S 04114W 2X1NM ICEBERG27 5246S 04137W 8X3NM ICEBERG28 5250S 04144W 9X9NM ICEBERG29 5254S 04134W 4X2NM ICEBERG30 4953S 02824W 4X1NM ICEBERG31 5258S 04146W 3X1NM ICEBERG32 5243S 04143W 3X1NM 4.ICEBERGS AREA A 6200S 02000W 4506S 02000W 4456S 03456W 6108S 03447W B 6108S 03447W 4456S 03456W 4956S 04506W 6221S 04506W C 6221S 04506W 4956S 04506W 6402S 06716W 6852S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-01-18
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR S 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR S 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 3/4 INCR 8 BY 17/0600 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
GERLACHE STRAIT : SECTOR N 3/4 VIS GOOD
MARGARITA BAY : SECTOR S 3/4 VIS GOOD
EREBUS Y TERROR GULF : SW 5/6 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 3/4 INCR 8 BY 17/1500 PROB OF MIST FOG PATCHES WORSENING TOWARDS EVENING VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SW 3/4 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/5 PROB OF ISOL SNOW FALL PROB OF MIST FOG PATCHES VIS MODERATE TO POOR OCNL VERY POOR=