1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-15, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 209: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS ISLAS MALVINAS COASTS DRAKE
AREA (55S- 60S AND 60W- 67W) FROM 16/0900
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 999HPA 48S 51W MOV E DPN EXP 49S 31W BY 16/1200 EXTENDS CFNT AT 48S 51W 43S
59W 46S 67W
LOW 984HPA 56S 51W MOV S DPN EXTENDS CFNT AT 56S 51W 54S 54W 53S 57W
CFNT AT 60S 23W 54S 29W 49S 39W MOV E
141400 UTC 1.SEA ICE LIMIT 6535S 02000W 6421S 02617W 6005S 03217W 6048S 03757W
6057S 04317W 6128S 04813W 6131S 05248W 6316S 05655W 6349S 06032W 6447S 06401W
6615S 06559W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5737S 03443W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4938S 02708W 5X1NM ICEBERG2 4552S 02631W 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 2026-05-16
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3 MIST FOG PATCHES DISSIPATING VIS GOOD OCNL
MODERATE
OUTER RIO DE LA PLATA: SECTOR W 3 TEMPO VEER SECTOR N 3/4 MIST FOG PATCHES
DISSIPATING VIS GOOD OCNL MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR W 3 MIST FOG PATCHES DISSIPATING VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4/5 WITH GUSTS PROB OF RAIN
TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 4 WITH GUSTS BACK SECTOR S 4/5
WITH GUSTS PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 3/4 BACK SECTOR S 4/5 WITH GUSTS
DECR 4/3 PROB OF ISOL RAIN STARTING NIGTH VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 4/5 WITH GUSTS VEER SECTOR W 5
WITH GUSTS PROB OF ISOL RAIN STARTING EARLY MORNING IMPR VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS
BY 16/0900 PROB OF ISOL RAIN RAIN AND SNOW MIXTURE VIS MODERATE TO POOR OCNL
VERY POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5/6 WITH GUSTS INCR 8 WITH GUSTS BY
16/0900 PROB OF ISOL RAIN RAIN AND SNOW MIXTURE VIS MODERATE TO POOR OCNL VERY
POOR
ISLAS MALVINAS COASTS: SECTOR W 0/6 WITH GUSTS INCR 8 WITH GUSTS BY 16/0900 PROB
OF RAIN RAIN AND SNOW MIXTURE VIS MODERATE TO POOR OCNL VERY POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR W 5/4 WITH GUSTS TEMPO VEER
SECTOR N 3 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 4/5 WITH GUSTS PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): W 5/6 WITH GUSTS VEER NW 6 WITH GUSTS
PROB OF ISOL RAIN VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: NW 6 WITH GUSTS BACK W 6
WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: W 6 WITH GUSTS BACK SW 6 WITH GUSTS PROB OF ISOL RAIN VIS
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: W 4/5 VEER NW 4 PROB OF RAIN
SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6 WITH GUSTS TEMPO VEER SECTOR N 6 GUST WITH 8
INTENSITY PROB OF SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: NW 6 WITH GUSTS BACK SW 6/5
WITH GUSTS VEER W 6 WITH GUSTS PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD
WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SW 6 WITH GUSTS VEER W 6 PROB OF ISOL RAIN SNOW FALL SPELLS
OF GOOD WEATHER VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SW 5/6 WITH GUSTS VEER W 8 WITH GUSTS BY
16/0900 PROB OF ISOL RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS POOR OCNL VERY
POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 15, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
666/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 9 FROM SECTOR W WITH GUST IN 60S-66S 90W-70W FROM 15/1200 UNTIL 17/0300
667/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-50W UNTIL 16/0000
668/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 65S-69S 59W-50W FROM 15/0600 UNTIL 16/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 950HPA 70S 49W MOV E WKN
LOW 968HPA 64S 38W MOV SE DPN
RIDGE 60S 82W 64S 83W 68S 85W MOV E INTSF
141400 UTC 1.SEA ICE LIMIT 6535S 02000W 6421S 02617W 6005S 03217W 6048S 03757W 6057S 04317W 6128S 04813W 6131S 05248W 6316S 05655W 6349S 06032W 6447S 06401W 6615S 06559W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5737S 03443W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4938S 02708W 5X1NM ICEBERG2 4552S 02631W 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 2026-05-16
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 8/7 GUST WITH 8 INTENSITY DECR SW 5 WITH GUSTS BY 16/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 8/9 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 16/0300 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 8/7 GUST WITH 8 INTENSITY DECR SW 5 WITH GUSTS BY 16/0300 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 8/9 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 16/0300 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
GERLACHE STRAIT : SW 4/5 WITH GUSTS BACK SE 3/4 BY 16/0000 PROB OF MIST IMPR TOWARDS NOON VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR E 3/4 BACK NE 4/3 BY 16/0000 VIS GOOD
EREBUS Y TERROR GULF : SW 5/7 WITH GUSTS INCR SW 7/8 WITH GUSTS BY 15/1800 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 5/7 WITH GUSTS INCR SECTOR W 9 WITH GUSTS BY 15/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 4/5 VEER SECTOR W 4/3 BY 15/1800 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR S 5/4 BACK SE 4 BY 15/2100 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 7/6 DECR SECTOR W 5 WITH GUSTS BY 16/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: NW 5/7 WITH GUSTS BACK SECTOR W 5 BY 15/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS VERY POOR TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 6/5 GUST WITH 8 INTENSITY VEER SE 5 WITH GUSTS BY 15/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE=