1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-09, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 199: LOW 970HPA AT 42S 52W MOV SE DEEPENING EXPECTED 45S 45W BY 10/1200
PROVOKES WINDS FORCE 8 FROM SW WITH GUST BETWEEN 35S-45S 50W-60W
WARNING 196: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR N WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 09/2100
WARNING 194: LOW 970HPA AT 42S 52W MOV SE DEEPENING EXPECTED 45S 45W BY 10/1200
PROVOKES WINDS FORCE 8 WITH GUST BETWEEN 35S-45S AND 40W-50W
WARNING 192: LOW 970HPA AT 42S 52W MOV SE DEEPENING EXPECTED 45S 45W BY 10/1200
PROVOKES WINDS FORCE 8 FROM SECTOR S WITH GUST IN OUTER RIO DE LA PLATA URUGUAY
SOUTH EAST COASTS MAR DEL PLATA COASTS RINCON BAHIA BLANCA COASTS PENINSULA DE
VALDES COASTS GOLFO DE SAN JORGE COASTS
WARNING 191: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SE WITH GUST
BETWEEN 50S-55S AND 30W-60W
PART 2 GENERAL SYNOPSIS AT 09:00UTC
091400 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 5759S 03636W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4908S 02700W 6X3NM ICEBERG2 5126S 02612W
5X3NM ICEBERG3 4624S 02620W 4X2NM 4.ICEBERGS AREA A6800S 02000W 4200S 02000W
4200S 04100W 6100S 04100W B6100S 04100W 5500S 04100W 6200S 06716W 6830S 06716W
LOW 970HPA 42S 52W MOV SE DPN EXP 45S 45W BY 10/1200 EXTENDS OFNT AT 48S 41W 44S
55W 38S 525W MOV SE
CFNT AT 48S 38W 34S 40W 24S 48W MOV E
HIGH 1026HPA 59S 48W NOT MOV WKN
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-10
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 5 WITH GUSTS DECR 4 BY 10/0000 PROB OF DRIZZLE RAIN
IMPR STARTING NIGTH PROB OF MIST STARTING EARLY MORNING VIS MODERATE OCNL GOOD
OUTER RIO DE LA PLATA: SW 7/8 WITH GUSTS DECR 7 WITH GUSTS BY 10/1200 PROB OF
DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS POOR
URUGUAY SOUTH EAST COASTS: SW 7/8 WITH GUSTS DECR 7 WITH GUSTS BY 09/2100 PROB
OF DRIZZLE RAIN SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS POOR TO MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SW 7/8 WITH GUSTS DECR 7/6 WITH GUSTS BY
10/1200 PROB OF SH DRIZZLE RAIN SPELLS OF GOOD WEATHER VIS POOR TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 7/8 WITH GUSTS DECR 7/6 WITH GUSTS
BY 10/0300 PROB OF ISOL SH RAIN IMPR STARTING NIGTH PROB OF MIST STARTING EARLY
MORNING VIS POOR TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SW 8 WITH GUSTS DECR 7/6 WITH GUSTS BY
09/1800 DECR 5 WITH GUSTS BY 10/0300 PROB OF ISOL SH RAIN DURING THE MORNING VIS
POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 6/5 WITH GUSTS LOW PROB OF SH
VIS MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): VRB 5 WITH GUSTS BACK SECTOR S 6 WITH GUSTS
BY 10/0000 PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6 WITH GUSTS BACK SECTOR S 6/5 WITH
GUSTS BY 10/0000 PROB OF ISOL RAIN NXT PROB OF ISOL RAIN AND SNOW MIXTURE
STARTING NIGTH VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR S 6/5 WITH GUSTS PROB OF INTERMITTENT SH RAIN AND
SNOW MIXTURE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 40W: SECTOR N 8 WITH GUSTS BACK SECTOR W
WITH GUSTS PROB OF SH RAIN VIS VERY POOR
REST OF THE AREA: SECTOR N 7 WITH GUSTS PROB OF HVY RAIN STORMS SPELLS OF GOOD
WEATHER VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR N 7/6 WITH GUSTS PROB
OF HVY SH RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR E 7 GUST WITH 8 INTENSITY DECR 6 WITH GUSTS VEER
SECTOR N WITH GUSTS PROB OF HVY RAIN SPELLS OF GOOD WEATHER VIS POOR OCNL
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W - N OF 45S: SECTOR N 7/8 WITH
GUSTS PROB OF SH RAIN VIS POOR
W OF 50W: SECTOR S 8 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS POOR
REST OF THE AREA: SE 8/7 WITH GUSTS PROB OF SH VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR E 7/8 WITH GUSTS PROB
OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR S 6/5 WITH GUSTS VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SW 8 WITH GUSTS DECR 7 WITH
GUSTS BY 10/0900 PROB OF SH OF SNOW SPELLS OF GOOD WEATHER VIS POOR
REST OF THE AREA: SECTOR E 6 WITH GUSTS BACK VRB 5 PROB OF ISOL SNOW FALL
STARTING NIGTH PROB OF MIST STARTING EARLY MORNING VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 8 WITH GUSTS BACK SECTOR S 6/5 WITH
GUSTS BY 09/2100 PROB OF ISOL RAIN NXT PROB OF SH RAIN AND SNOW MIXTURE STARTING
NIGTH VIS POOR TO MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 09, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
628/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM SW WITH GUST IN 60S-65S 85W-74W UNTIL 10/0600
629/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR N WITH GUST IN 60S-66S 70W-60W UNTIL 10/0600
630/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR E WITH GUST IN 64S-66S 70W-66W UNTIL 10/1800
631/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 64S-67S 59W-50W UNTIL 10/1500
632/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY VEER SECTOR E IN 66S-69S 70W-67W UNTIL 10/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1025HPA 61S 45W MOV E WKN EXTENDS RIDGE AT 64S 45W 63S 40W 69S 32W MOV E
LOW 979HPA 65S 75W MOV SE DPN
091400 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 5759S 03636W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4908S 02700W 6X3NM ICEBERG2 5126S 02612W 5X3NM ICEBERG3 4624S 02620W 4X2NM 4.ICEBERGS AREA A6800S 02000W 4200S 02000W 4200S 04100W 6100S 04100W B6100S 04100W 5500S 04100W 6200S 06716W 6830S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 9 WITH GUSTS BACK SW 9 WITH GUSTS BY 10/0000 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 6/7 GUST WITH 8 INTENSITY INCR SECTOR N 9 WITH GUSTS BY 10/0300 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 40W: SECTOR N 9 WITH GUSTS BACK SW 9 WITH GUSTS BY 10/0000 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 6/7 GUST WITH 8 INTENSITY INCR SECTOR N 9 WITH GUSTS BY 10/0300 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : NE 7/8 WITH GUSTS BACK SECTOR W 5 WITH GUSTS BY 10/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MARGARITA BAY : SECTOR E 7/8 WITH GUSTS BACK SECTOR N 6/5 WITH GUSTS BY 10/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO POOR
EREBUS Y TERROR GULF : NW 7/8 WITH GUSTS INCR NW 9 WITH GUSTS BY 09/1800 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NOON VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 80S: SW 7/8 WITH GUSTS VEER SECTOR W 7/5 WITH GUSTS BY 09/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 9 WITH GUSTS VEER SECTOR W 9 WITH GUSTS BY 09/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 VEER SECTOR W 4/5 BY 10/0000 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: NW 5/4 INCR SECTOR W 6 BY 10/0300 PROB OF FOG AND MIST IN PATCHES WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NW 6/7 WITH GUSTS INCR NW 8 WITH GUSTS BY 10/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 WITH GUSTS VEER SECTOR E 4/5 BY 10/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NOON VIS GOOD TO MODERATE=