1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-07, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 194: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST BETWEEN 35S-40S 40W-55W FROM 08/1200
WARNING 193: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH
GUST BETWEEN 40S-50S 30W-40W FROM 08/0600
WARNING 192: LOW 1002HPA AT 42S 63W MOV E DEEPENING EXPECTED 42S 55W BY 08/1200
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN PENINSULA DE VALDES COASTS
GOLFO DE SAN JORGE COASTS
WARNING 191: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR E WITH
GUST IN CENTRAL WEST AREA (40S- 50S AND 40W- 60W)
WARNING 190: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 50S-55S AND 20W-30W UNTIL 07/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 996HPA 39S 55W MOV S DPN EXP 42S 55W BY 08/1200 EXTENDS CFNT AT 39S 55W 36S
55W 35S 56W MOV E
LOW 1002HPA 42S 63W MOV E DPN EXP 42S 55W BY 08/1200
HIGH 1026HPA 47S 42W MOV E INTSF EXP 37S 23W BY 08/1200
061400 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 5822S 03628W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4922S 02650W 6X3NM ICEBERG2 5110S 02714W
5X3NM ICEBERG3 4650S 02702W 2X1NM ICEBERG4 4650S 02702W 4X2NM ICEBERG5 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 2026-05-8
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 4/5 WITH GUSTS INCR 6/7 WITH GUSTS BY 8/0000
PROB OF SH RAIN VIS MODERATE TO POOR
OUTER RIO DE LA PLATA: SECTOR W 4/5 WITH GUSTS INCR 6/7 WITH GUSTS BY 8/0000
PROB OF SH RAIN VIS MODERATE TO POOR
URUGUAY SOUTH EAST COASTS: SECTOR W 4/5 WITH GUSTS INCR 6/7 WITH GUSTS BY 8/0000
PROB OF SH RAIN VIS MODERATE TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 6/7 WITH GUSTS PROB OF RAIN VIS
MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 6/7 WITH GUSTS PROB OF ISOL
RAIN VIS MODERATE TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 8 WITH GUSTS PROB OF SH RAIN
VIS VERY POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 8 WITH GUSTS PROB OF SH RAIN
VIS VERY POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR E 5/6 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 4/5 PROB OF ISOL RAIN VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR N 4 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 4/5 BACK SECTOR N 5/6 WITH
GUSTS BY 8/0300 PROB OF ISOL SH RAIN VIS GOOD TO MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 6/7 GUST WITH 8 INTENSITY INCR 8 BY 8/1200 PROB OF
RAIN STORMS VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 6/7 WITH GUSTS VIS
MODERATE TO POOR
REST OF THE AREA: SW 5/6 BACK SECTOR E 8 BY 8/0600 PROB OF SH RAIN VIS VERY
POOR TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR E 8 WITH GUSTS PROB
OF RAIN STORMS VIS VERY POOR
REST OF THE AREA: SECTOR E 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 8/0000 PROB OF
SH RAIN VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SW 8 WITH GUSTS PROB OF ISOL
RAIN VIS VERY POOR
REST OF THE AREA: SW 7 WITH GUSTS VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 4/5 WITH GUSTS BACK SECTOR S
BY 8/0600 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 4/5 VIS GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 07, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
616/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR N WITH GUST IN 60S-68S 90W-80W UNTIL 08/0600
617/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY VEER NE IN 68S-73S 90W-70W UNTIL 08/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1022HPA 60S 70W MOV E INTSF EXTENDS RIDGE AT 60S 70W 63S 69W 67S 68W MOV E
LOW 1010HPA 67S 52W MOV E DPN
LOW 1013HPA 61S 50W MOV E DPN
061400 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 5822S 03628W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4922S 02650W 6X3NM ICEBERG2 5110S 02714W 5X3NM ICEBERG3 4650S 02702W 2X1NM ICEBERG4 4650S 02702W 4X2NM ICEBERG5 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 2026-05-8
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 BACK NW 4/5 BY 8/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 BACK SECTOR S 5/4 BY 8/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 BACK NW 4/5 BY 8/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 BACK SECTOR S 5/4 BY 8/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : SE 3/4 VEER SECTOR E 3/4 BY 07/2100 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO GOOD
MARGARITA BAY : NE 3/4 VEER SECTOR E 5/7 BY 8/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE NIGTH VIS MODERATE TO GOOD
EREBUS Y TERROR GULF : SW 4/5 INCR SW 5/6 BY 07/2100 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 7/8 WITH GUSTS INCR NE 9 WITH GUSTS BY 07/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 7 GUST WITH 8 INTENSITY VEER NE 8 GUST WITH 9 INTENSITY BY 07/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 6/7 WITH GUSTS VEER NE 8 WITH GUSTS BY 07/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SW 6/5 GUST WITH 8 INTENSITY DECR SW 5 WITH GUSTS BY 07/2100 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 6/5 WITH GUSTS DECR SW 5/4 BY 07/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 5 VEER SECTOR S 5/6 WITH GUSTS BY 07/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR=