1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 28, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
720/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV NE DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 60S-63S 61W-53W UNTIL 28/1500
721/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SW 8 WITH GUST IN 64S-70S 50W-35W UNTIL 28/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 984HPA 71S 53W MOV E DPN
RIDGE 60S 50W 63S 41W 65S 32W MOV E WKN
RIDGE 60S 70W 64S 72W 68S 78W MOV E WKN
271400 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 ICEBERG2 6324S 05646W 2X1NM 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-29
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 3/4 WITH GUSTS VEER NE 4/5 BY 28/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 VEER SECTOR W 5/6 WITH GUSTS BY 28/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 3/4 WITH GUSTS VEER NE 4/5 BY 28/1200 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NOON VIS VERY POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/6 VEER SECTOR W 7 WITH GUSTS BY 28/1500 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
GERLACHE STRAIT : NW 3/4 VEER NE 3/4 BY 28/1500 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE TO GOOD
MARGARITA BAY : NW 4/3 VEER NE 5/4 BY 28/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : NW 3/4 BACK SW 5/7 BY 28/0900 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 4/5 VEER NE 4/5 BY 28/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 3/4 INCR NW 9 WITH GUSTS BY 28/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 4/5 VEER SECTOR N 5/6 BY 28/0900 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
NORTHERN WEDDELL SEA N OF 64S: NW 4/3 INCR NW 5/7 GUST WITH 8 INTENSITY BY 28/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS MODERATE TO POOR
NORTHERN WEDDELL SEA REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 8 GUST WITH 9 INTENSITY BY 28/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/3 VEER SECTOR E 4/3 BY 28/1200 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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