1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 13, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
651/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-68S 90W-70W UNTIL 13/2100
652/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY IN 63S-69S 50W-40W FROM 13/2100 UNTIL 14/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 988HPA 65S 72W MOV SE WKN
HIGH 1004HPA 68S 45W MOV E WKN
HIGH 1003HPA 62S 60W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-14
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 4/5 BACK SECTOR W 5/6 WITH GUSTS BY 13/1200 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SE 3/4 VEER NW 5/6 WITH GUSTS BY 13/1500 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NW 4/5 BACK SECTOR W 5/6 WITH GUSTS BY 13/1200 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SE 3/4 VEER NW 5/6 WITH GUSTS BY 13/1500 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
GERLACHE STRAIT : NE 5/7 INCR NE 8 WITH GUSTS BY 13/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 7 INCR SECTOR E 8 WITH GUSTS BY 13/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
EREBUS Y TERROR GULF : NW 4/5 VEER SECTOR N 6 WITH GUSTS BY 13/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL IMPR TOWARDS EVENING 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 EVENING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 INCR NW 7/8 WITH GUSTS BY 13/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 5/4 BACK SW 6/5 BY 13/1500 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 4/5 INCR SE 7 WITH GUSTS BY 13/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SE 3/4 BACK NE 4/5 BY 13/1500 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 W 4/5 VEER SECTOR N 4/5 BY 13/0900 PROB OF MIST PROB OFMOD SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-13, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 207: LOW 975HPA AT 44S 41W MOV SE DEEPENING EXPECTED 52S 23W BY 14/0000
WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST BETWEEN 45S-50S 30W-20W FROM
13/1500
WARNING 206: LOW 975HPA AT 44S 41W MOV SE DEEPENING EXPECTED 52S 23W BY 14/0000
PROVOKES WINDS FORCE 9 FROM SECTOR W WITH GUST BETWEEN 40S-45S AND 20W-50W UNTIL
13/2100
WARNING 205: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST IN NORTH AREA (35S- 40S AND 20W- 55W)
WARNING 202: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST IN GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS BETWEEN 40S-50S AND
50W-60W UNTIL 13/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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 975HPA 44S 41W MOV SE DPN EXP 52S 23W BY 14/0000 EXTENDS CFNT AT 41S 40W 37S
44W 35S 49W MOV E
LOW 969HPA 53S 34W MOV SE NC EXP 54S 33W BY 14/0000
CFNT AT URUGUAY SOUTH EAST COASTS MOV E WKN
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-14
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4 DECR VRB 3 BY 13/1800 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR S 6/5 WITH GUSTS VEER SECTOR W BY 13/1800 VIS
GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 6/5 WITH GUSTS VIS GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SW 6 WITH GUSTS LOW PROB OF ISOL SH RAIN
VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 6/5 WITH GUSTS LOW PROB OF ISOL SH
RAIN VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SW 7/6 GUST WITH 8 INTENSITY PROB OF
ISOL RAIN STARTING EARLY MORNING VIS POOR TO MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 8 WITH GUSTS DECR 7/6 WITH GUSTS BY
13/0600 PROB OF ISOL SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO
POOR OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SW 8 WITH GUSTS DECR 7/6 WITH GUSTS BY
13/0600 PROB OF ISOL SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO
POOR OCNL MODERATE.
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 5/6 WITH GUSTS VEER SECTOR W BY
13/0600 LOW PROB OF ISOL RAIN VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR S 6 WITH GUSTS VEER SECTOR W BY 13/1800 PROB OF
RAIN AND SNOW MIXTURE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR W 6 WITH GUSTS VEER NW 8
WITH GUSTS BY 13/0300 PROB OF RAIN STARTING EARLY MORNING VIS MODERATE TO VERY
POOR
W OF 30 - E OF 40W: SECTOR W 8 WITH GUSTS PROB OF SH RAIN VIS VERY POOR
REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 7 GUST WITH 8 INTENSITY BY 13/2100
PROB OF SH RAIN VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 9 WITH GUSTS DECR 7
WITH GUSTS BY 13/2100 PROB OF SH RAIN VIS VERY POOR TO POOR
E OF 30 - S OF 45S: SECTOR N 6 WITH GUSTS BACK SECTOR W 8 WITH GUSTS BY 13/1500
PROB OF SH RAIN VIS MODERATE TO VERY POOR
REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF ISOL RAIN VIS
MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR W 9 WITH
GUSTS DECR 7 WITH GUSTS BY 13/1200 PROB OF SH RAIN VIS VERY POOR TO POOR
E OF 50 - S OF 45S: SW 7 GUST WITH 8 INTENSITY PROB OF RAIN AND SNOW MIXTURE
VIS POOR OCNL VERY POOR
REST OF THE AREA: SW 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 13/1200 PROB OF SH
RAIN VIS VERY POOR TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SECTOR N 6 WITH
GUSTS DECR VRB 3 BY 13/2100 PROB OF ISOL RAIN NEXT RAIN VIS MODERATE OCNL POOR
E OF 30 - S OF 55S: SECTOR E 7/6 GUST WITH 8 INTENSITY DECR 5 BY 13/1500 PROB
OF RAIN AND SNOW MIXTURE VIS POOR
W OF 30 - N OF 55S: VRB 4 INCR SECTOR W 5/6 WITH GUSTS BY 13/1500 PROB OF RAIN
VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR S 7/6 GUST WITH 8 INTENSITY PROB OF SNOW FALL VIS POOR
OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 7 GUST WITH 8
INTENSITY PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR S 6 WITH GUSTS VEER SECTOR W BY 13/1500 PROB OF RAIN
AND SNOW MIXTURE VIS POOR OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 6 WITH GUSTS VEER SECTOR W 5/6 WITH
GUSTS BY 13/0600 PROB OF RAIN AND SNOW MIXTURE STARTING EARLY MORNING VIS
MODERATE OCNL POOR
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