1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 27, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
719/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-70S 90W-70W UNTIL 27/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 988HPA 71S 84W MOV E DPN
HIGH 1008HPA 63S 53W MOV E INTSF EXTENDS RIDGE AT 63S 53W 63S 65W 60S 70W MOV E
261400 UTC 1.SEA ICE LIMIT 6438S 02000W 6216S 02618W 5906S 03217W 5914S 03758W 5940S 04317W 5941S 04813W 6027S 05247W 6249S 05655W 6344S 06032W 6412S 06336W 6526S 06559W 6635S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5626S 03243W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4911S 02710W 5X1NM 4.ICEBERGS AREA A6500S 02000W 4500S 02000W 4800S 03500W 5930S 03500W B5930S 03500W 5100S 03500W 5500S 04500W 6020S 04500W C6020S 04500W 5700S 04500W 6000S 05500W 6205S 05500W D6205S 05500W 6000S 05500W 6400S 06716W 6645S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-28
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 5/4 WITH GUSTS VEER NW 4/5 BY 27/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 BY 28/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 5/4 WITH GUSTS VEER NW 4/5 BY 27/1800 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 BY 28/0000 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NW 3/4 VEER SECTOR N 3/4 BY 28/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO GOOD
MARGARITA BAY : SECTOR N 5/7 WITH GUSTS VEER NE 5/4 WITH GUSTS BY 28/0600 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : SECTOR N 3/4 BACK SW 5/6 BY 28/0000 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: NW 9 WITH GUSTS VEER SECTOR N 7/5 WITH GUSTS BY 27/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 7 INCR NW 9 WITH GUSTS BY 27/1800 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE EARLY MORNING VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 4/3 BACK SECTOR W 4/3 BY 27/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NIGTH VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 4/5 VEER SECTOR W 3/4 BY 27/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 4/3 VEER NW 3/4 BY 27/2100 PROB OF FOG AND MIST IN PATCHES IMPR STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR W 4/3 VEER NE 4/3 BY 28/0000 VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-27, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
261400 UTC 1.SEA ICE LIMIT 6438S 02000W 6216S 02618W 5906S 03217W 5914S 03758W
5940S 04317W 5941S 04813W 6027S 05247W 6249S 05655W 6344S 06032W 6412S 06336W
6526S 06559W 6635S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5626S 03243W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4911S 02710W 5X1NM 4.ICEBERGS AREA A6500S
02000W 4500S 02000W 4800S 03500W 5930S 03500W B5930S 03500W 5100S 03500W 5500S
04500W 6020S 04500W C6020S 04500W 5700S 04500W 6000S 05500W 6205S 05500W D6205S
05500W 6000S 05500W 6400S 06716W 6645S 06716W
HIGH 1023HPA 35S 55W MOV E WKN
HIGH 1026HPA 50S 66W MOV E INTSF EXP 49S 57W BY 28/1200
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-28
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 3/4 VEER SECTOR E BY 27/1800 FOG MIST
DISSIPATING VIS MODERATE
OUTER RIO DE LA PLATA: SECTOR N 3/4 VEER SECTOR E BY 27/1800 FOG MIST
DISSIPATING VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 3 BACK SECTOR E BY 27/2100 FOG MIST
DISSIPATING VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 3/4 BACK SECTOR S BY 28/0000 FOG
MIST DISSIPATING VIS MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 VEER SECTOR E BY 27/2100
FOG MIST DISSIPATING VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 3/4 VEER SECTOR E BY 27/2100
VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR E 5/6 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 3/4 INCR 4/5 WITH GUSTS BY 28/0000
VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 4 VEER SECTOR N 5/6 WITH GUSTS BY
28/0000 VIS GOOD TO MODERATE
ISLAS MALVINAS COASTS: SECTOR S 4/5 VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W): SECTOR W 4/5 WITH GUSTS BACK SECTOR S 5/6
WITH GUSTS BY 28/0000 PROB OF ISOL RAIN VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45S: SECTOR W 5/6 WITH GUSTS PROB
OF ISOL RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 5/4 BACK SECTOR S BY 27/2100 PROB OF SH RAIN VIS
GOOD TO MODERATE OCNL POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45S: SECTOR W 4/5 WITH GUSTS BACK
SECTOR S 5/6 WITH GUSTS BY 27/2100 PROB OF ISOL RAIN VIS GOOD TO MODERATE OCNL
POOR
REST OF THE AREA: SECTOR S 6/7 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE TO
POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 5/6 WITH GUSTS BACK SECTOR S
4/5 WITH GUSTS BY 27/2100 VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 6/7 WITH GUSTS DECR 4/5 BY
28/0600 VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4/5 WITH GUSTS VEER SECTOR N BY
28/0000 VIS GOOD
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