1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 18, JANUARY 2025.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 12: STRONG BARIC GRADIENT ON NOT CHANGE PROVOKES WINDS FORCE 8 FROM
SECTOR W WITH GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS DRAKE AREA
(55S- 60S AND 60W- 67W)
WARNING 14: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN ISLAS MALVINAS COASTS SOUTH WEST AREA (50S- 60S AND 40W- 60W)
WARNING 15: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 50S-60S 30W-40W FROM 18/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1023HPA 35S 32W MOV E NC EXTENDS RIDGE AT 35S 32W 42S 30W 47S 29W MOV E
LOW 979HPA 60S 42W MOV E NC EXTENDS CFNT AT 60S 37W 57S 37W 53S 47W MOV E
LOW 972HPA 60S 57W MOV E NC EXTENDS CFNT AT 59S 55W 57S 54W 53S 59W MOV E
LOW 1011HPA 43S 45W MOV E DPN EXP 44S 28W BY 19/0000 EXTENDS CFNT AT 43S 45W 40S
50W 37S 55W MOV NE ASOCIATED WITH WFNT AT 43S 45W 43S 40W 41S 35W
HIGH 1018HPA 41S 58W MOV E INTSF EXP 41S 53W BY 19/0000
171400 UTC 1.SEA ICE LIMIT 6434S 02000W 6354S 02455W 6334S 02934W 6255S 03153W
6502S 03752W 6422S 04054W 6000S 04358W 6200S 04841S 6258S 05058W 6325S 05855W
6401S 06257W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5655S 03856W 40X32NM
3.ICEBERGS SMALLER THAN 10NM A76B 4822S 03306W 10X7NM A80A 6344S 05637W 8X6NM
ICEBERG1 5500S 03648W 2X1NM ICEBERG2 5520S 03553W 2X1NM ICEBERG3 6155S 05506W
9X3NM ICEBERG4 5804S 03954W 2X1NM ICEBERG5 5248S 04250W 5X1NM ICEBERG6 5601S
04000W 4X2NM ICEBERG7 5828S 03206W 2X1NM ICEBERG8 5706S 03213W 2X1NM ICEBERG9
6229S 05508W 3X1NM ICEBERG10 6348S 05518W 3X2NM ICEBERG11 5457S 03629W 2X1NM
ICEBERG12 5030S 03552W 4X2NM 4.ICEBERGS AREA A: 6438S 02000W 5400S 02000W 5300S
03000W 6400S 02948W B: 6400S 02948W 4800S 03000W 4800S 04300W 6038S 04300W C:
6038S 04300W 5400S 04300W 5400S 05000W 6338S 05000W D: 6338S 05000W 5900S 05000W
6000S 06716W 6634S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-01-19
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 5/4 WITH GUSTS INCR 5 BY 18/1800 PROB OF RAIN ISOL
STORMS NEXT DRIZZLE RAIN VIS MODERATE OCNL POOR
OUTER RIO DE LA PLATA: SE 4/5 WITH GUSTS PROB OF SH RAIN VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 4 VEER SE 4/5 WITH GUSTS BY 18/0900 PROB OF
RAIN ISOL HVY STORMS VIS MODERATE OCNL POOR
MAR DEL PLATA COASTS(3617S - 3830S): SE 4 BACK E 5 BY 18/1500 LOW PROB OF SH
RAIN VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR E 5 BACK NE 5/4 BY 18/2100 LOW
PROB OF SH RAIN VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 5/4 WITH GUSTS SECTOR N 4 BY 18/1200
PROB OF SH ISOL STORMS SPELLS OF GOOD WEATHER VIS MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4 BACK VRB 4 BY 18/0900 VEER
SECTOR E 3 BY 18/2100 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: SECTOR W 5 DECR 4 BY 18/0900 VIS
GOOD
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR
7 GUST WITH 8 INTENSITY BY 18/2100 PROB OF DRIZZLE RAIN SPELLS OF GOOD WEATHER
VIS MODERATE OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 8 WITH GUSTS PROB OF DRIZZLE RAIN
VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR W 7/8 WITH GUSTS PROB OF ISOL DRIZZLE SPELLS OF
GOOD WEATHER VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 3/4 LOW PROB OF ISOL
DRIZZLE VIS GOOD OCNL MODERATE
NORTH AREA (35S- 40S AND 20W- 55W) E OF 50W: NW 4/3 BACK SE 4 BY 18/1200 PROB OF
ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
NORTH AREA (35S- 40S AND 20W- 55W) REST OF THE AREA: SE 4 E 5 BY 18/1500 PROB OF
SH ISOL STORMS SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: VRB 3 VEER SECTOR
N 5 BY 18/0900 BACK SECTOR W 5/4 BY 18/1500 PROB OF ISOL RAIN STORMS VIS
MODERATE OCNL POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30 - N OF 45S: NW 5 WITH GUSTS
BACK S 5/4 PROB OF RAIN STORMS IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE
OCNL POOR TO GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) REST OF THE AREA: SECTOR W 5 WITH
GUSTS VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 5/4 VEER
VRB 3 BY 18/1800 PROB OF SH RAIN IMPR STARTING EARLY MORNING VIS MODERATE TO
GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) W OF 50 - N OF 45S: VRB 3 VIS GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) REST OF THE AREA: SECTOR W 5 VIS
GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: NW 5/6 GUST WITH 8 INTENSITY
BACK W 6 GUST WITH 8 INTENSITY BY 18/2100 PROB OF RAIN AND SNOW MIXTURE STARTING
EVENING VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) REST OF THE AREA: NW 6 GUST WITH 8
INTENSITY BACK W 7/8 WITH GUSTS BY 18/1800 PROB OF DRIZZLE RAIN NXT RAIN AND
SNOW MIXTURE VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 6/7 GUST WITH 8
INTENSITY INCR 8 WITH GUSTS BY 18/1500 PROB OF ISOL DRIZZLE RAIN SPELLS OF GOOD
WEATHER VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) REST OF THE AREA: SECTOR W 8 WITH GUSTS
PROB OF SH OF SNOW SNOW FALL NXT RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS BACK SW 7 GUST WITH 8
INTENSITY BY 18/2100 PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS
POOR OCNL MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 18, JANUARY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
53/2025 STRONG BARIC GRADIENT ON NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-63S 80W-70W UNTIL 18/0900
54/2025 STRONG BARIC GRADIENT ON SOUTHERN WEDDELL SEA MOV W DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E GUST WITH 9 INTENSITY IN 70S-73S 35W-52W UNTIL 18/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 970HPA 65S 78W MOV SE DPN
LOW 961HPA 68S 45W MOV W DPN
LOW 972HPA 61S 48W MOV E DPN
171400 UTC 1.SEA ICE LIMIT 6434S 02000W 6354S 02455W 6334S 02934W 6255S 03153W 6502S 03752W 6422S 04054W 6000S 04358W 6200S 04841S 6258S 05058W 6325S 05855W 6401S 06257W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5655S 03856W 40X32NM 3.ICEBERGS SMALLER THAN 10NM A76B 4822S 03306W 10X7NM A80A 6344S 05637W 8X6NM ICEBERG1 5500S 03648W 2X1NM ICEBERG2 5520S 03553W 2X1NM ICEBERG3 6155S 05506W 9X3NM ICEBERG4 5804S 03954W 2X1NM ICEBERG5 5248S 04250W 5X1NM ICEBERG6 5601S 04000W 4X2NM ICEBERG7 5828S 03206W 2X1NM ICEBERG8 5706S 03213W 2X1NM ICEBERG9 6229S 05508W 3X1NM ICEBERG10 6348S 05518W 3X2NM ICEBERG11 5457S 03629W 2X1NM ICEBERG12 5030S 03552W 4X2NM 4.ICEBERGS AREA A: 6438S 02000W 5400S 02000W 5300S 03000W 6400S 02948W B: 6400S 02948W 4800S 03000W 4800S 04300W 6038S 04300W C: 6038S 04300W 5400S 04300W 5400S 05000W 6338S 05000W D: 6338S 05000W 5900S 05000W 6000S 06716W 6634S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-01-19
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 BY 18/0900 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/4 VEER NW 5/6 BY 18/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 3/4 VEER NW 5 BY 18/1200 PROB OF MIST PROB OF ISOL RAIN SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 BACK SW 6 BY 18/1200 PROB OF MIST PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NE 4/5 BACK SW 5/7 BY 18/1200 PROB OF MIST PROB OF ISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
MARGARITA BAY : NE 4 VEER SECTOR S 3/4 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS MORNING VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : SECTOR S 3/4 VEER SW 5/7 WITH GUSTS BY 18/1500 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR W 7/5 WITH GUSTS PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/8 BACK SW 4/5 WITH GUSTS BY 18/0900 PROB OF MIST PROB OF INTERMITTENT SNOW FALL IMPR TOWARDS NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 PROB OF FOG AND MIST IN PATCHES PROB OF ISOL SNOW FALL IMPR DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA W OF 40W: NW 3/4 BACK SECTOR W 5 BY 18/1200 PROB OF FOG MIST PROB OF ISOL RAIN SNOW FALL WORSENING DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 6/5 BACK SW 4/5 PROB OF FOG AND MIST IN PATCHES PROB OF INTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5/7 GUST WITH 9 INTENSITY VEER SE 5 BY 18/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL VIS MODERATE OCNL POOR=