1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-10-13, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 418: STRONG BARIC GRADIENT MOV E WILL PROVOKE WINDS FORCE 8 FROM SECTOR
N WITH GUST BETWEEN 35S-50S AND 30W-40W FROM 13/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
121400 UTC 1.SEA ICE LIMIT 56 11S 020 00W 56 01S 028 15W 58 23S 037 47W 60 54S
052 07W 61 12S 054 48W 62 02S 057 51W 62 23S 060 36W 62 30S 058 44W 63 29S 060
27W 64 07S 063 34W 65 16S 065 29W 65 42S 067 16W 2.ICEBERGS GREATER THAN 10NM
A23A 53 24S 037 55W 32X24NM A74A 55 37S 033 17W 27X17NM A77 57 37S 044 37W
27X4NM A76C 60 07S 043 37W 16X7NM B15AB 57 40S 049 05W 11X4NM A23G 52 24S 038
49W 20X8NM A23H 51 48S 040 57W 10X2NM A23I 52 52S 041 13W 19X8NM 3.ICEBERGS
SMALLER THAN 10NM ICEBERG1 49 22S 038 22W 7X1NM ICEBERG2 51 33S 040 12W 3X1NM
ICEBERG3 55 34S 043 42W 9X2NM ICEBERG4 52 18S 025 55W 3X1NM ICEBERG5 48 49S 020
47W 2X1NM ICEBERG6 56 58S 046 40W 2X1NM ICEBERG7 51 41S 028 45W 2X1NM ICEBERG8
52 48S 036 42W 3X1NM ICEBERG9 50 58S 040 31W 9X4NM ICEBERG10 51 31S 036 11W
3X1NM ICEBERG11 52 13S 041 59W 7X3NM ICEBERG12 51 22S 026 23W 6X3NM ICEBERG13 52
35S 037 51W 2X1NM ICEBERG14 53 42S 039 22W 2X2NM ICEBERG15 53 41S 041 02W 3X1NM
ICEBERG16 57 00S 045 46W 3X1NM ICEBERG17 52 34S 036 38W 3X1NM ICEBERG18 53 08S
037 43W 3X1NM ICEBERG19 51 25S 026 19W 3X1NM ICEBERG20 50 30S 031 56W 6X4NM
ICEBERG21 50 24S 023 50W 2X1NM ICEBERG22 52 37S 027 18W 3X1NM ICEBERG23 53 29S
037 08W 2X1NM ICEBERG24 49 24S 038 41W 5X1NM 4.ICEBERGS AREA A: 56 58S 020 00W
44 00S 020 00W 43 40S 030 00W 58 30S 034 10W B: 58 30S 034 10W 48 00S 030 45W 49
00S 040 20W 61 00S 045 50W C: 61 00S 045 50W 52 00S 041 35W 59 24S 054 10W 61
47S 052 00W D: 61 47S 052 00W 60 00S 054 35W 63 47S 067 16W 66 51S 067 16W
LOW 999HPA 37S 49W MOV SE WKN EXTENDS OFNT AT 39S 49W 40S 55W 35S 55W
LOW 990HPA 50S 63W MOV NE DPN EXP 55S 50W BY 14/1200 EXTENDS CFNT AT 50S 63W 47S
62W 43S 64W MOV E EXP 35S 45W 45S 40W 54S 40W BY 14/1200
CFNT AT 58S 24W 54S 26W 52S 43W MOV E
RIDGE 38S 45W 44S 35W 50S 46W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-10-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 5/4 WITH GUSTS VEER VRB 3 BY 14/0000 MIST DRIZZLE IMPR
GRADUALLY VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SW 5/4 WITH GUSTS VEER VRB 3 BY 14/0000 MIST DRIZZLE IMPR
GRADUALLY VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SW 5/4 WITH GUSTS VEER VRB 3 BY 14/0000 MIST DRIZZLE
IMPR GRADUALLY VIS MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SW 5/6 WITH GUSTS DECR 4 BY 14/0600 MIST
DRIZZLE IMPR GRADUALLY VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4 WITH GUSTS VEER SECTOR N
BY 14/1200 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 5 WITH GUSTS VEER SECTOR W 4
BY 14/0000 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 WITH GUSTS ISOL RAIN IMPR
STARTING NIGTH VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): VRB 4 RAIN IMPR STARTING NIGTH VIS GOOD OCNL
MODERATE
ISLAS MALVINAS COASTS: SECTOR W 5/6 WITH GUSTS RAIN IMPR STARTING NIGTH VIS
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: SECTOR N 6 WITH GUSTS BACK SECTOR S
BY 13/1800 SH RAIN VIS MODERATE
W OF 30W - E OF 40W: SECTOR N 6 WITH GUSTS INCR 8 WITH GUSTS BY 13/1800 PROB OF
RAIN VIS VERY POOR
REST OF THE AREA: VRB 3 VEER SECTOR N 5 WITH GUSTS BY 13/1800 VIS GOOD OCNL
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30W: SECTOR N 5 WITH GUSTS INCR 8
GUST WITH 9 INTENSITY BY 13/2100 RAIN STARTING EVENING VIS VERY POOR
REST OF THE AREA: SECTOR N 5/7 WITH GUSTS VIS GOOD OCNL MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR N 5 WITH GUSTS BACK
SECTOR S BY 13/1800 SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE
REST OF THE AREA: SECTOR N 5 WITH GUSTS BACK SECTOR W BY 13/1800 RAIN IMPR
TOWARDS THE END OF THE PERIOD VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6 WITH GUSTS VEER
SECTOR N BY 14/0000 RAIN STARTING EVENING VIS POOR
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR E BY 14/0300 PROB OF ISOL
RAIN VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR N 4/5 WITH GUSTS BACK
SECTOR W BY 14/0300 PROB OF RAIN STARTING EVENING VIS MODERATE
REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER SECTOR E BY 13/2100 RAIN STARTING
EVENING VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): VRB 3 LOW PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, OCTOBER 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1192/2025 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E IN 66S-70S 70W-90W
1193/2025 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM NE IN 62S-63S 60W-70W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 968HPA 63S 90W MOV E WKN
LOW 982HPA 62S 70W MOV E WKN EXTENDS CFNT AT 62S 70W 61S 65W 60S 60W
121400 UTC 1.SEA ICE LIMIT 56 11S 020 00W 56 01S 028 15W 58 23S 037 47W 60 54S 052 07W 61 12S 054 48W 62 02S 057 51W 62 23S 060 36W 62 30S 058 44W 63 29S 060 27W 64 07S 063 34W 65 16S 065 29W 65 42S 067 16W 2.ICEBERGS GREATER THAN 10NM A23A 53 24S 037 55W 32X24NM A74A 55 37S 033 17W 27X17NM A77 57 37S 044 37W 27X4NM A76C 60 07S 043 37W 16X7NM B15AB 57 40S 049 05W 11X4NM A23G 52 24S 038 49W 20X8NM A23H 51 48S 040 57W 10X2NM A23I 52 52S 041 13W 19X8NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 49 22S 038 22W 7X1NM ICEBERG2 51 33S 040 12W 3X1NM ICEBERG3 55 34S 043 42W 9X2NM ICEBERG4 52 18S 025 55W 3X1NM ICEBERG5 48 49S 020 47W 2X1NM ICEBERG6 56 58S 046 40W 2X1NM ICEBERG7 51 41S 028 45W 2X1NM ICEBERG8 52 48S 036 42W 3X1NM ICEBERG9 50 58S 040 31W 9X4NM ICEBERG10 51 31S 036 11W 3X1NM ICEBERG11 52 13S 041 59W 7X3NM ICEBERG12 51 22S 026 23W 6X3NM ICEBERG13 52 35S 037 51W 2X1NM ICEBERG14 53 42S 039 22W 2X2NM ICEBERG15 53 41S 041 02W 3X1NM ICEBERG16 57 00S 045 46W 3X1NM ICEBERG17 52 34S 036 38W 3X1NM ICEBERG18 53 08S 037 43W 3X1NM ICEBERG19 51 25S 026 19W 3X1NM ICEBERG20 50 30S 031 56W 6X4NM ICEBERG21 50 24S 023 50W 2X1NM ICEBERG22 52 37S 027 18W 3X1NM ICEBERG23 53 29S 037 08W 2X1NM ICEBERG24 49 24S 038 41W 5X1NM 4.ICEBERGS AREA A: 56 58S 020 00W 44 00S 020 00W 43 40S 030 00W 58 30S 034 10W B: 58 30S 034 10W 48 00S 030 45W 49 00S 040 20W 61 00S 045 50W C: 61 00S 045 50W 52 00S 041 35W 59 24S 054 10W 61 47S 052 00W D: 61 47S 052 00W 60 00S 054 35W 63 47S 067 16W 66 51S 067 16W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2025-10-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR E 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR E 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: NE 8 PROB OF MIST PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR E 4/5 PROB OF MIST PROB OFISOL SNOW FALL VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NE 4/5 PROB OF ISOL SNOW FALL VIS GOOD OCNL GOOD
MARGARITA BAY : NE 3/4 VIS GOOD
EREBUS Y TERROR GULF : SECTOR S 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 8 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR E 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS MODERATE TO POOR OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 3/4 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL VIS GOOD TO POOR OCNL VERY POOR=