1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-06, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 191: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH
GUST BETWEEN 35S-45S 45W-55W FROM 07/0300
WARNING 190: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 45S-50S 20W-40W
WARNING 189: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM W WITH GUST
BETWEEN 45S-50S AND 20W-40W UNTIL 07/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
051400 UTC 1.SEA ICE LIMIT 6614S 02000W 6617S 02518W 6613S 02753W 6521S 03227W
6228S 03509W 6255S 04154W 6302S 04651W 6218S 04928W 6158S 05227W 6213S 05625W
6416S 06313W 6647S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5832S 03631W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4931S 02715W 6X3NM ICEBERG2 5109S 02715W
5X3NM ICEBERG3 4702S 02728W 2X1NM ICEBERG4 4655S 02709W 4X2NM ICEBERG5 5819S
03305W 3X1NM ICEBERG6 5742S 03608W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S
02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S
05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
HIGH 1020HPA 47S 56W MOV E INTSF EXP 47S 42W BY 07/1200 EXTENDS RIDGE AT 47S 56W
40S 52W 35S 52W MOV E
LOW 1005HPA 56S 67W MOV E WKN EXP 57S 53W BY 07/1200 EXTENDS CFNT AT 56S 67W 54S
64W 51S 66W MOV E
LOW 966HPA 57S 21W MOV SE DPN EXTENDS OFNT AT 58S 20W 57S 25W 55S 24W MOV E
CFNT AT 41S 38W 42S 26W 45S 20W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-7
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 BACK SECTOR N 4/3 HVY RAIN STORMS VIS
MODERATE OCNL POOR
OUTER RIO DE LA PLATA: SECTOR E 3/4 BACK SECTOR N 4/5 PROB OF HVY RAIN STORMS
VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 BACK SECTOR N 5/6 WITH GUSTS PROB OF HVY
RAIN STORMS VIS MODERATE TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3/4 BACK SECTOR N 5/3 WITH GUSTS
FOG AND MIST IN PATCHES DISSIPATING PROB OFHVY RAIN STORMS STARTING EVENING VIS
MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 4/6 WITH GUSTS VEER SECTOR S 6
WITH GUSTS PROB OF HVY RAIN STORMS VIS MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): NE 3/6 WITH GUSTS VEER SW 6 WITH GUSTS
PROB OF HVY SH RAIN VIS MODERATE OCNL POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 3/5 WITH GUSTS VEER SECTOR E 4/6 WITH
GUSTS VEER SW 6 WITH GUSTS PROB OF HVY RAIN STARTING EVENING VIS MODERATE OCNL
POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/4 VEER SECTOR E 4 PROB OF RAIN
SPELLS OF GOOD WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6 WITH GUSTS BACK SECTOR W 3/4 BACK
SECTOR E PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR N 4/5 DECR 4/3 PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 6 WITH GUSTS BACK SECTOR S 4/3
PROB OF ISOL RAIN STORMS SPELLS OF GOOD WEATHER VIS MODERATE TO GOOD
E OF 45W: SECTOR W 3 BACK SECTOR E 3/6 WITH GUSTS PROB OF ISOL HVY RAIN STORMS
VIS GOOD TO MODERATE OCNL POOR
REST OF THE AREA: SECTOR E 3/5 INCR 6/8 WITH GUSTS BY 7/0300 PROB OF HVY RAIN
STORMS STARTING EVENING VIS MODERATE TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: W 6/5 BACK SW 5/4 PROB OF
ISOL RAIN VIS MODERATE
REST OF THE AREA: W 8/6 WITH GUSTS BACK 6/5 BY 7/0300 PROB OF RAIN SNOW FALL
VIS POOR OCNL VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W - N OF 45S: SECTOR S 5/3 BACK
SECTOR E 4/6 GUST WITH 8 INTENSITY PROB OF HVY RAIN TOWARDS THE END OF THE
PERIOD VIS MODERATE TO POOR
E OF 50W - S OF 45S: SECTOR S 5/3 BACK SECTOR E 3/4 PROB OF ISOL RAIN AND SNOW
MIXTURE IMPR STARTING NIGTH VIS GOOD OCNL MODERATE
W OF 50W - N OF 45S: SECTOR W 3/5 INCR 6/8 WITH GUSTS BY 7/0300 PROB OF HVY
RAIN STARTING EARLY MORNING VIS GOOD TO POOR
REST OF THE AREA: SECTOR S 3 VEER SECTOR N 3/4 VEER SECTOR E 4/5 WITH GUSTS
PROB OF ISOL RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - S OF 55S: SW 5/6 WITH GUSTS
PROB OF SNOW FALL VIS MODERATE OCNL POOR
REST OF THE AREA: SW 6/8 WITH GUSTS PROB OF ISOL SNOW FALL VIS POOR OCNL VERY
POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/5 WITH GUSTS VEER SECTOR W 5
WITH GUSTS PROB OF ISOL RAIN SNOW FALL VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/4 WITH GUSTS BACK SECTOR W 4/5
WITH GUSTS BACK SECTOR S 5/4 WITH GUSTS PROB OF RAIN SNOW FALL SPELLS OF GOOD
WEATHER VIS MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 06, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
613/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 64S-70S 90W-80W UNTIL 07/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1008HPA 65S 53W MOV NE WKN EXTENDS RIDGE AT 65S 53W 68S 51W 72S 51W MOV E
LOW 1005HPA 62S 69W MOV SE WKN
051400 UTC 1.SEA ICE LIMIT 6614S 02000W 6617S 02518W 6613S 02753W 6521S 03227W 6228S 03509W 6255S 04154W 6302S 04651W 6218S 04928W 6158S 05227W 6213S 05625W 6416S 06313W 6647S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5832S 03631W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4931S 02715W 6X3NM ICEBERG2 5109S 02715W 5X3NM ICEBERG3 4702S 02728W 2X1NM ICEBERG4 4655S 02709W 4X2NM ICEBERG5 5819S 03305W 3X1NM ICEBERG6 5742S 03608W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S 02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S 05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-7
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 3/4 VEER NE 4/5 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 BY 06/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 3/4 VEER NE 4/5 BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 VEER NW 5/4 BY 06/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
GERLACHE STRAIT : NE 3/4 VEER SE 3/4 BY 7/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 5/6 BACK SECTOR N 5/4 BY 06/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : NW 4 BACK SW 4/3 BY 06/1800 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NOON VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 VEER NW 6/7 WITH GUSTS BY 06/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 6/7 VEER SECTOR N 8 WITH GUSTS BY 06/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 5/6 VEER NE 6/7 GUST WITH 8 INTENSITY BY 06/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SW 7 GUST WITH 8 INTENSITY DECR SW 6/5 WITH GUSTS BY 7/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 7/6 WITH GUSTS DECR SW 6/5 BY 7/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5 BACK SECTOR E 5/6 BY 7/0000 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD=