1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-16, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 213: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) FROM 17/0600
WARNING 212: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 45S-50S 40W-50W FROM 17/0000
WARNING 211: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN ISLAS MALVINAS COASTS SOUTH WEST AREA (50S- 60S AND 40W- 60W) FROM
16/1800
WARNING 209: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND
60W- 67W) UNTIL 17/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 997HPA 48S 39W MOV E WKN EXTENDS CFNT AT 48S 39W 41S 50W 38S 57W MOV E
CFNT AT 48S 39W 54S 30W 59S 24W
151400 UTC 1.SEA ICE LIMIT 6517S 02000W 6402S 02618W 5933S 03217W 6039S 03758W
6017S 04317W 6105S 04814W 6131S 05247W 6316S 05655W 6342S 06032W 6412S 06337W
6529S 06558W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5833S 03411W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4937S 02654W 5X1NM ICEBERG2 4545S 02634W 4X2NM
4.ICEBERGS AREA A6545S 02000W 4200S 02000W 4200S 03700W 6100S 03700W B6100S
03700W 5000S 03700W 5900S 05000W 6120S 05000W C6120S 05000W 5900S 05000W 6300S
06716W 6657S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-17
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3/4 BACK SECTOR S BY 16/1800 PROB OF RAIN DURING
THE EVENING VIS GOOD OCNL MODERATE
OUTER RIO DE LA PLATA: SECTOR E 3/4 BACK SECTOR S BY 16/1800 PROB OF RAIN DURING
THE EVENING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 BACK SECTOR S BY 16/1800 PROB OF RAIN
DURING THE EVENING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 4/5 WITH GUSTS PROB OF RAIN
DURING THE EVENING IMPR VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 4/5 BACK SECTOR W BY 17/0000
PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 4/5 WITH GUSTS BACK SECTOR W
BY 16/1800 PROB OF ISOL RAIN TOWARDS NIGTH VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 5/6 WITH GUSTS BACK SECTOR S BY
17/0000 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 8 WITH GUSTS PROB OF ISOL RAIN VIS
VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SW 6 WITH GUSTS INCR 8 WITH GUSTS BY 16/0900
PROB OF SH RAIN VIS MODERATE TO POOR. SECTOR W 8 WITH GUSTS PROB OF ISOL RAIN
VIS VERY POOR.
ISLAS MALVINAS COASTS: SECTOR W 6/7 WITH GUSTS INCR 8 WITH GUSTS BY 16/1800 PROB
OF RAIN STARTING EVENING VIS VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: VRB 3 BACK SW 5/6 BY 17/0300 PROB
OF ISOL RAIN VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR W 5/9 WITH GUSTS PROB OF ISOL RAIN VIS GOOD TO
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SW 6/7 WITH GUSTS PROB OF ISOL RAIN
VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 4/5 WITH GUSTS BACK
SECTOR S BY 16/1500 VEER SECTOR W 6/7 WITH GUSTS BY 17/0000 PROB OF SH RAIN VIS
GOOD TO POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY 17/0000 PROB OF
SH RAIN VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): NW 6/7 WITH GUSTS VEER SECTOR N 8 WITH
GUSTS BY 17/0600 PROB OF SH RAIN VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/7 WITH GUSTS INCR 8 WITH
GUSTS BY 16/1800 PROB OF SH RAIN VIS VERY POOR TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8 WITH GUSTS PROB OF SH RAIN VIS
VERY POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 16, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
672/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST IN 60S-67S 90W-70W UNTIL 17/0600
673/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV NE DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-65W UNTIL 17/0600
674/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 63S-67S 59W-50W UNTIL 17/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 961HPA 67S 48W MOV E WKN
LOW 963HPA 71S 38W MOV SE DPN
LOW 968HPA 62S 66W MOV SE DPN
LOW 976HPA 69S 85W MOV E DPN
151400 UTC 1.SEA ICE LIMIT 6517S 02000W 6402S 02618W 5933S 03217W 6039S 03758W 6017S 04317W 6105S 04814W 6131S 05247W 6316S 05655W 6342S 06032W 6412S 06337W 6529S 06558W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5833S 03411W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4937S 02654W 5X1NM ICEBERG2 4545S 02634W 4X2NM 4.ICEBERGS AREA A6545S 02000W 4200S 02000W 4200S 03700W 6100S 03700W B6100S 03700W 5000S 03700W 5900S 05000W 6120S 05000W C6120S 05000W 5900S 05000W 6300S 06716W 6657S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-17
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 9 WITH GUSTS BACK SW 8/7 WITH GUSTS BY 16/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/4 BACK SE 6/7 WITH GUSTS BY 16/2100 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 9 WITH GUSTS BACK SW 8/7 WITH GUSTS BY 16/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/4 BACK SE 6/7 WITH GUSTS BY 16/2100 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING STARTING NOON VIS GOOD TO MODERATE OCNL POOR
GERLACHE STRAIT : SE 4/3 BACK SW 4/5 BY 17/0000 PROB OF MIST IMPR TOWARDS NOON VIS MODERATE TO GOOD
MARGARITA BAY : NE 3/4 VEER SECTOR E 4/3 BY 17/0000 VIS GOOD
EREBUS Y TERROR GULF : SW 7/8 GUST WITH 9 INTENSITY INCR SW 9 WITH GUSTS BY 16/2100 PROB OF FOG AND MIST IN PATCHES BLIZZARD PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS NOON VIS MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 9 WITH GUSTS DECR SECTOR W 8/7 WITH GUSTS BY 17/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 9 WITH GUSTS BACK SW 7 GUST WITH 8 INTENSITY BY 16/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SE 4/5 VEER SECTOR S 4 BY 16/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 6/5 BACK SW 4/3 BY 16/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SE 4 VEER SECTOR S 4/3 BY 17/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NIGTH VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 5/7 VEER SECTOR S 7 WITH GUSTS BY 16/2100 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER STARTING NIGTH VIS POOR TO MODERATE OCNL GOOD=