1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-22, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 225: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W
WITH GUST IN SOUTH WEST AREA (50S- 60S AND 40W- 60W) DRAKE AREA (55S- 60S AND
60W- 67W) FROM 22/0900
WARNING 224: STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 35S-40S AND 20W-35W FROM 22/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
211400 UTC 1.SEA ICE LIMIT 6527S 02000W 6354S 02618W 6010S 03217W 6027S 03757W
6011S 04317W 6025S 04813W 6105S 05248W 6214S 05654W 6334S 06033W 6412S 06336W
6530S 06559W 6612S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5740S 03412W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4905S 02550W 5X1NM 4.ICEBERGS AREA A6538S
02000W 4500S 02000W 4300S 02500W 6500S 02500W B4400S 03000W 4400S 02500W 6100S
04700W 6500S 02500W C6100S 04700W 5900S 04700W 6200S 06300W 6700S 06716W
HIGH 1031HPA 37S 59W
CFNT AT 61S 43W 54S 45W 45S 46W MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-23
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 3 UNSTABLE IMPR TOWARDS EVENING VIS GOOD OCNL
MODERATE
OUTER RIO DE LA PLATA: SECTOR E 3 UNSTABLE IMPR TOWARDS EVENING VIS GOOD OCNL
MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3 BACK SECTOR E BY 22/1800 UNSTABLE IMPR VIS
GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 3/4 VEER VRB BY 22/1800 UNSTABLE
IMPR VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR W 3 VEER NW 4 BY 22/1200 VEER
SECTOR N 4/5 BY 22/2100 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): NW 4/5 WITH GUSTS VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): NW 4/5 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): NW 5 WITH GUSTS BACK SECTOR S 4 BY 22/1200
BACK NE BY 22/2100 VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SW 5/6 WITH GUSTS DECR 4 BY 22/1800 UNSTABLE
VIS MODERATE
ISLAS MALVINAS COASTS: NW 5/6 WITH GUSTS BACK SECTOR S 5 WITH GUSTS BY 22/1200
UNSTABLE VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 7/8 WITH GUSTS DECR 7/5
WITH GUSTS BY 22/1800 PROB OF RAIN VIS POOR TO MODERATE
E OF 40W: SW 7/6 WITH GUSTS VEER SECTOR W 6/5 WITH GUSTS BY 22/1500 PROB OF SH
RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SW 5/4 PROB OF SH VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 7/5 WITH GUSTS VEER
SECTOR W 7/5 WITH GUSTS BY 22/2100 PROB OF RAIN AND SNOW MIXTURE VIS MODERATE
OCNL POOR
REST OF THE AREA: SW 7/5 WITH GUSTS DECR 5 BY 22/0900 VEER SECTOR W 7/8 WITH
GUSTS BY 22/2100 SH RAIN VIS POOR TO MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SW 5 VEER SECTOR W 5/6 WITH
GUSTS BY 22/2100 PROB OF SH IMPR VIS MODERATE
E OF 50 - S OF 45S: SW 6 WITH GUSTS VEER SECTOR W 7/8 BY 22/1500 PROB OF SH
IMPR VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS UNSTABLE IMPR VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 5 WITH GUSTS VEER SECTOR W
5 WITH GUSTS BY 22/1500 VEER NW 6 WITH GUSTS BY 22/1800 PROB OF SH RAIN AND SNOW
MIXTURE RAIN TOWARDS NIGTH VIS MODERATE
REST OF THE AREA: SW 5 VEER NW 5/6 WITH GUSTS BY 22/0600 BACK SECTOR W 7 GUST
WITH 8 INTENSITY BY 22/1800 PROB OF RAIN VIS MODERATE TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 6 WITH GUSTS INCR 7/8
WITH GUSTS BY 22/1200 PROB OF RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 6/7 WITH GUSTS INCR 7/8 WITH GUSTS BY 22/0900 PROB
OF SH VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7 GUST WITH 8 INTENSITY INCR 7/8
WITH GUSTS BY 22/0900 DECR 7/6 WITH GUSTS BY 22/2100 PROB OF SH VIS POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 22, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
702/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR W GUST WITH 9 INTENSITY IN 60S-63S 88W-70W UNTIL 22/1500
703/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-63S 70W-50W UNTIL 23/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 985HPA 63S 62W MOV E DPN
RIDGE 60S 35W 63S 34W 68S 33W MOV E WKN
LOW 990HPA 64S 75W MOV SE DPN
RIDGE 60S 90W 63S 88W 68S 85W MOV E INTSF
LOW 978HPA MOV SE DPN
211400 UTC 1.SEA ICE LIMIT 6527S 02000W 6354S 02618W 6010S 03217W 6027S 03757W 6011S 04317W 6025S 04813W 6105S 05248W 6214S 05654W 6334S 06033W 6412S 06336W 6530S 06559W 6612S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5740S 03412W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4905S 02550W 5X1NM 4.ICEBERGS AREA A6538S 02000W 4500S 02000W 4300S 02500W 6500S 02500W B4400S 03000W 4400S 02500W 6100S 04700W 6500S 02500W C6100S 04700W 5900S 04700W 6200S 06300W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-23
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 7/8 WITH GUSTS INCR SECTOR W 9 BY 22/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY INCR SECTOR W 8 GUST WITH 9 INTENSITY BY 22/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS POOR TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 7/8 WITH GUSTS INCR SECTOR W 9 BY 22/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY INCR SECTOR W 8 GUST WITH 9 INTENSITY BY 22/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE
GERLACHE STRAIT : SW 3/4 INCR SW 5 BY 22/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR E 3/4 BACK NW 4/5 BY 22/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NW 4/5 BACK SW 5/7 WITH GUSTS BY 22/0600 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE MORNING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 63S: SECTOR W 6/7 GUST WITH 8 INTENSITY INCR SECTOR W 8 GUST WITH 9 INTENSITY BY 22/0600 AFTERWARDS SECTOR W 6/5 BY 22/1200 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 3/4 WITH GUSTS VEER NW 4/5 BY 22/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 4/5 WITH GUSTS BACK SECTOR W 5/4 WITH GUSTS BY 21/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EVENING VIS GOOD TO MODERATE
NORTHERN WEDDELL SEA W OF 40W: SECTOR N 4/5 BACK NW 5/6 BY 22/0900 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 3/4 VEER SECTOR N 4/5 BY 22/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 VEER SE 4/3 BY 22/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE=