1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-30, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 233: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 35S-40S AND 20W-30W UNTIL 29/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
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 1031HPA 40S 46W MOV NE WKN EXP 37S 39W BY 30/1800
CFNT AT GOLFO DE SAN JORGE COASTS SOUTH PATAGONIA COASTS FIN DEL MUNDO COASTS
MOV E
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-31
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 3 VEER VRB BY 30/1800 PROB OF FOG AND MIST IN
PATCHES DISSIPATING DURING THE MORNING VIS MODERATE OCNL POOR TO GOOD
OUTER RIO DE LA PLATA: SECTOR E 3 VEER SECTOR S AFTERWARDS VRB BY 30/2100 PROB
OF FOG AND MIST IN PATCHES DISSIPATING DURING THE MORNING LOW PROB OFISOL RAIN
VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: NE 4/3 VEER VRB 3 BY 30/1800 PROB OF FOG AND MIST IN
PATCHES DISSIPATING DURING THE MORNING LOW PROB OFISOL RAIN VIS MODERATE OCNL
POOR
MAR DEL PLATA COASTS(3617S - 3830S): VRB 3 VEER SECTOR W 3/4 BY 30/1200 PROB
OF FOG AND MIST IN PATCHES DISSIPATING DURING THE MORNING VIS MODERATE OCNL POOR
TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 BACK SECTOR W 4/3 BY
30/1200 PROB OF FOG AND MIST IN PATCHES DURING THE EARLY MORNING LOW PROB OFISOL
RAIN TOWARDS EARLY MORNING VIS MODERATE TO GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 4/3 BACK SECTOR W 3 BY 30/1200
AFTERWARDS SECTOR S BY 30/2100 LOW PROB OF ISOL RAIN TOWARDS THE END OF THE
PERIOD VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR W 4/3 BACK SECTOR S 3 BY 30/1200
PROB OF ISOL DRIZZLE RAIN TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 3/4 WITH GUSTS PROB OF DRIZZLE
RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR S 3/4 WITH GUSTS PROB OF DRIZZLE RAIN
SPELLS OF GOOD WEATHER VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: SECTOR W 4 BACK SECTOR S 4/6 WITH GUSTS BY 30/0900 PROB
OF DRIZZLE RAIN VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 8 WITH GUSTS DECR 5/4 BY
29/1500 PROB OF SH RAIN VIS POOR
W OF 30W - E OF 40W: SECTOR S 5/4 PROB OF DRIZZLE IMPR STARTING EARLY MORNING
VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR N 4 PROB OF DRIZZLE RAIN VIS MODERATE TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SECTOR S 6 WITH
GUSTS VEER SW 5 WITH GUSTS BY 29/1500 PROB OF ISOL DRIZZLE VIS MODERATE OCNL
POOR
E OF 30 - S OF 45S: SW 6/7 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS
MODERATE OCNL POOR
W OF 30 - N OF 45S: SECTOR S 4 VEER SECTOR W PROB OF ISOL DRIZZLE VIS
MODERATE
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF ISOL DRIZZLE STARTING EARLY
MORNING VIS MODERATE TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: NW 4/5 WITH GUSTS PROB OF
RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 5 WITH GUSTS BACK SECTOR S 4 BY 29/1800 PROB OF RAIN
VIS MODERATE OCNL POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 6/7 WITH GUSTS PROB OF SH
OF SNOW VIS POOR
W OF 30 - N OF 45S: SECTOR W 7 VEER NW 5 WITH GUSTS BY 29/1800 PROB OF SH RAIN
AND SNOW MIXTURE VIS MODERATE TO POOR
REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY DECR VRB 3 BY 30/1800 PROB
OF SH OF SNOW VIS POOR TO MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: NW 6 WITH GUSTS PROB OF SH
RAIN AND SNOW MIXTURE VIS POOR
REST OF THE AREA: NW 5 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS BY 30/0600 PROB
OF SH OF SNOW RAIN VIS POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 6 WITH GUSTS PROB OF SH RAIN AND
SNOW MIXTURE SPELLS OF GOOD WEATHER VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 30, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
728/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 GUST WITH 9 INTENSITY IN 63S-71S 90W-70W UNTIL 30/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 990HPA 67S 46W MOV SE DPN
RIDGE 60S 80W 64S 72W 70S 60W 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 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-31
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 VEER SECTOR W 4/5 WITH GUSTS BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/7 WITH GUSTS BACK SW 7 WITH GUSTS BY 30/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER SECTOR W 4/5 WITH GUSTS BY 30/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/7 WITH GUSTS BACK SW 7 WITH GUSTS BY 30/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE
GERLACHE STRAIT : SW 3/4 BACK SE 4 BY 30/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE
MARGARITA BAY : SECTOR N 3/4 BACK NW 5/6 WITH GUSTS BY 30/1200 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 DECR SW 5/4 BY 30/0600 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 5/7 GUST WITH 8 INTENSITY BACK SECTOR W 5/6 BY 30/1800 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS GOOD TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 7/8 WITH GUSTS DECR NW 6/5 WITH GUSTS BY 30/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 7/8 WITH GUSTS BACK NW 6/5 WITH GUSTS BY 30/0900 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 7 GUST WITH 8 INTENSITY BACK SW 4/3 BY 30/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 3/4 VEER SECTOR W 4 BY 30/1200 PROB OF MIST PROB OFMOD SNOW FALL IMPR STARTING EARLY MORNING VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 4/3 BACK SE 4/3 BY 30/1200 VIS GOOD=