1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-13, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 207: LOW 972HPA AT 47S 30W MOV SE DEEPENING EXPECTED 55S 21W BY 14/1200
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST
WARNING 205: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST IN NORTH AREA (35S- 40S AND 20W- 55W) UNTIL 14/0300
PART 2 GENERAL SYNOPSIS AT 09:00UTC
121400 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 5732S 03508W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4908S 02700W 6X3NM ICEBERG2 4601S 02635W
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
LOW 972HPA 47S 30W MOV SE DPN EXP 55S 21W BY 14/1200 EXTENDS CFNT AT 47S 30W 40S
33W 34S 45W MOV E
LOW 966HPA 53S 34W NOT MOV WKN
CFNT AT 59S 64W 56S 65W 51S 57W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3/4 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 4/5 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 4/5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 5/6 WITH GUSTS DECR 4/5 BY
14/0300 PROB OF ISOL RAIN DURING THE EVENING VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 5/6 WITH GUSTS DECR 4/5 BY
13/2100 PROB OF ISOL RAIN DURING THE EVENING VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 6/7 WITH GUSTS DECR 4/5 BY
13/1800 VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 5/6 WITH GUSTS DECR 4/5 BY
13/1800 VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 4/5 BACK SECTOR W WITH GUSTS BY
13/1800 VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4/5 BACK SECTOR S 6 WITH GUSTS BY
14/0600 PROB OF ISOL RAIN VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: SECTOR W 4/5 PROB OF ISOL RAIN VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W): SECTOR W 8 WITH GUSTS DECR 6/7 WITH GUSTS BY
14/0300 PROB OF SH RAIN VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 35W: SECTOR W 8 WITH GUSTS DECR
6/7 BY 14/0000 PROB OF SH RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 6/7 WITH GUSTS PROB OF SH RAIN VIS POOR OCNL VERY
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 6/7 WITH GUSTS PROB
OF SH RAIN VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 6/7 WITH GUSTS PROB OF SH RAIN VIS POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 45S: SECTOR N 4/5 WITH GUSTS BACK
SECTOR W 5/6 BY 14/0000 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
REST OF THE AREA: SECTOR E 4/5 WITH GUSTS VEER SECTOR W BY 14/0000 PROB OF ISOL
RAIN VIS GOOD OCNL MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/7 WITH GUSTS BACK SECTOR E
WITH GUSTS BY 14/0000 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/5 WITH GUSTS INCR 6/7 WITH GUSTS
BY 14/0300 PROB OF ISOL RAIN VIS GOOD TO MODERATE OCNL POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 13, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
653/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-68S 90W-70W UNTIL 14/0300
654/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY IN 63S-69S 50W-40W FROM 13/2100 UNTIL 14/0600
655/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV E DEEPENING PROVOKE WINDS FORCE 8 FROM NE GUST WITH 9 INTENSITY IN 65S-68S 70W-65W FROM 13/2100 UNTIL 14/0000
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 963HPA 70S 78W MOV SE DPN
LOW 987HPA 63S 63W MOV SE DPN
HIGH 1001HPA MOV E WKN
121400 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 5732S 03508W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4908S 02700W 6X3NM ICEBERG2 4601S 02635W 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 2026-05-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 BACK SW 7 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NE 4/5 BACK SECTOR W 7 WITH GUSTS BY 14/0000 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/6 BACK SW 7 WITH GUSTS BY 13/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: NE 4/5 BACK SECTOR W 7 WITH GUSTS BY 14/0000 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 7/8 WITH GUSTS BACK NW 5/4 BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
MARGARITA BAY : NE 7/8 WITH GUSTS BACK NW 5/4 BY 13/2100 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
EREBUS Y TERROR GULF : NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 6/4 BY 14/0000 PROB OF FOG AND MIST IN PATCHES IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7/8 GUST WITH 9 INTENSITY DECR SW 5 WITH GUSTS BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 9 WITH GUSTS BACK SW 6/5 WITH GUSTS BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 3/4 VEER SECTOR W 6/7 WITH GUSTS BY 13/1800 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR TOWARDS NIGTH VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA N OF 64S: SE 5/6 VEER SECTOR S 7 WITH GUSTS BY 13/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR E 3/4 BACK NE 4/5 BY 13/2100 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 4/5 BACK NE 5/6 BY 14/0000 PROB OF MIST PROB OFMOD SNOW FALL IMPR DURING THE EARLY MORNING VIS POOR TO MODERATE=