1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-30, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 235: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 50S-55S 20W-30W UNTIL 30/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
291400 UTC 1.SEA ICE LIMIT 6342S 02000W 5958S 02618W 5844S 03218W 5825S 03758W
5933S 04316W 5941S 04813W 6029S 05247W 6315S 05655W 6335S 06033W 6415S 06336W
6616S 06605W 6607S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5609S 03220W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4911S 02710W 5X1NM ICEBERG2 6327S 05641W 2X1NM
ICEBERG3 6249S 05827W 3X1NM 4.ICEBERGS AREA A6444S 02000W 4403S 02000W 4403S
02600W 6251S 02600W B6251S 02600W 4403S 02600W 5000S 03800W 5818S 03800W C5818S
03800W 5000S 03800W 5857S 05600W 6247S 05600W D6247S 05600W 5857S 05600W 6500S
06716W 6825S 06716W
HIGH 1030HPA 56S 52W MOV NE WKN EXP 35S 29W BY 31/1200
LOW 1002HPA 56S 52W MOV E DPN EXP 55S 33W BY 31/1200 EXTENDS CFNT AT 56S 52W 48S
56W 41S 61W MOV E
LOW 981HPA 58S 22W MOV E NC EXTENDS CFNT AT 22S 56W 22S 56W 34S W MOV E
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-31
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 VEER SECTOR W FOG AND MIST IN PATCHES
DISSIPATING VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: SECTOR S 3 VEER SECTOR W FOG AND MIST IN PATCHES
DISSIPATING PROB OF DRIZZLE IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 3 BACK SECTOR W FOG AND MIST IN PATCHES
DISSIPATING PROB OFISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 BACK SECTOR W 3 FOG AND MIST
IN PATCHES DISSIPATING VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): NW 3/4 BACK SECTOR S FOG AND MIST IN
PATCHES DISSIPATING VIS MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NW 3/4 BACK SECTOR S PROB OF ISOL RAIN
TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SW 3 BACK SE PROB OF ISOL DRIZZLE RAIN
STARTING EVENING VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 3/5 PROB OF ISOL RAIN IMPR TOWARDS
EARLY MORNING VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 4/5 WITH GUSTS VIS GOOD OCNL
MODERATE
ISLAS MALVINAS COASTS: SECTOR S 4/6 WITH GUSTS PROB OF ISOL RAIN IMPR TOWARDS
EARLY MORNING VIS MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR S 6/4 WITH GUSTS VEER SECTOR
W 3 PROB OF ISOL RAIN VIS MODERATE OCNL GOOD
E OF 45W: SECTOR S 3 BACK SECTOR N 3/5 WITH GUSTS PROB OF SH RAIN SPELLS OF
GOOD WEATHER VIS MODERATE OCNL GOOD
REST OF THE AREA: SECTOR N 5 WITH GUSTS BACK SECTOR W 4 PROB OF ISOL SH RAIN
VIS MODERATE OCNL GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR S 5 WITH GUSTS VEER
SECTOR W 5/6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE
REST OF THE AREA: SECTOR W 4/5 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS PROB OF
RAIN SPELLS OF GOOD WEATHER VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 4/5 WITH GUSTS VEER
SECTOR N 5/6 WITH GUSTS PROB OF SH RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL
POOR
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS PROB OF
RAIN SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: W 8 WITH GUSTS DECR
6/5 WITH GUSTS BY 30/2100 PROB OF RAIN SPELLS OF GOOD WEATHER VIS POOR TO
MODERATE
W OF 30 - N OF 55S: SECTOR S 6/5 WITH GUSTS VEER NW WITH GUSTS PROB OF RAIN
SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS VEER SECTOR N 3 PROB OF ISOL RAIN
SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR N 5/6 WITH GUSTS BACK
SECTOR S 6 WITH GUSTS PROB OF RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
MODERATE OCNL POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS PROB OF
ISOL RAIN SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 5/6 WITH GUSTS VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 30, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
729/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST IN 63S-70S 90W-70W UNTIL 30/1800
730/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 61S-71S 90W-80W FROM 30/2100 UNTIL 31/1500
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 992HPA 61S 43W MOV SE DPN
RIDGE 60S 70W 64S 65W 70S 50W MOV E WKN
291400 UTC 1.SEA ICE LIMIT 6342S 02000W 5958S 02618W 5844S 03218W 5825S 03758W 5933S 04316W 5941S 04813W 6029S 05247W 6315S 05655W 6335S 06033W 6415S 06336W 6616S 06605W 6607S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5609S 03220W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4911S 02710W 5X1NM ICEBERG2 6327S 05641W 2X1NM ICEBERG3 6249S 05827W 3X1NM 4.ICEBERGS AREA A6444S 02000W 4403S 02000W 4403S 02600W 6251S 02600W B6251S 02600W 4403S 02600W 5000S 03800W 5818S 03800W C5818S 03800W 5000S 03800W 5857S 05600W 6247S 05600W D6247S 05600W 5857S 05600W 6500S 06716W 6825S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 4/5 BACK SW 5/6 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/7 WITH GUSTS VEER SECTOR W 7/8 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 4/5 BACK SW 5/6 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SW 5/7 WITH GUSTS VEER SECTOR W 7/8 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
GERLACHE STRAIT : SECTOR W 3/4 BACK SW 4 BY 31/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 5/6 BACK NW 7 WITH GUSTS BY 30/2100 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
EREBUS Y TERROR GULF : SW 5/7 WITH GUSTS INCR SW 7 GUST WITH 8 INTENSITY BY 31/0000 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 7 GUST WITH 8 INTENSITY VEER NW 6/5 WITH GUSTS BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE NIGTH VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 8/7 WITH GUSTS INCR NW 9 WITH GUSTS BY 31/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 7 GUST WITH 8 INTENSITY INCR NW 8 WITH GUSTS BY 31/0300 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 3/4 VEER SECTOR W 4/3 BY 31/0000 PROB OF MIST IMPR STARTING NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER NW 5/7 BY 31/0000 PROB OF MIST PROB OFMOD SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): NW 4/5 VEER SECTOR N 5/6 BY 31/0300 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL POOR=