1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-3, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 239: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SW WITH
GUST IN SOUTH PATAGONIA COASTS SOUTHERN OF 50 FROM 03/1800
WARNING 238: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR S WITH
GUST BETWEEN 50S-60S 20W-40W
WARNING 237: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SW WITH GUST
BETWEEN 40S-50S AND 20W-40W UNTIL 03/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
021400 UTC 1.SEA ICE LIMIT 6224S 02000W 5908S 02618W 5827S 03218W 5829S 03757W
5945S 04317W 5937S 04813W 6053S 05247W 6251S 05655W 6347S 06049W 6409S 06337W
6541S 06605W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5549S 03226W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5017S 02735W 4X1NM ICEBERG2 6341S 05605W
2X1NM ICEBERG3 6219S 05755W 3X1NM 4.ICEBERGS AREA A6242S 02000W 4400S 02000W
4200S 02600W 5922S 02600W B5922S 02600W 4200S 02600W 4900S 03700W 6037S 03700W
C6037S 03700W 4900S 03700W 5800S 05000W 6000S 05000W D6000S 05000W 5800S 05000W
6400S 06716W 6645S 06716W
HIGH 1032HPA 36S 47W MOV SE INTSF EXP 40S 44W BY 03/2100 EXTENDS RIDGE AT 47S
53W 52S 53W 56S 52W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-4
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3/4 VEER E PROB OF MIST FOG PATCHES VIS GOOD OCNL
MODERATE
OUTER RIO DE LA PLATA: NE 3/4 VEER E PROB OF MIST FOG PATCHES VIS GOOD OCNL
MODERATE
URUGUAY SOUTH EAST COASTS: NE 4/5 PROB OF MIST FOG PATCHES VIS GOOD OCNL
MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 4/5 PROB OF MIST FOG PATCHES VIS GOOD
OCNL MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 5/6 WITH GUSTS VIS GOOD OCNL
MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6/5 WITH GUSTS PROB OF ISOL
DRIZZLE RAIN VIS GOOD OCNL MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 5 WITH GUSTS BACK N 6 WITH GUSTS BACK
W 5 WITH GUSTS PROB OF ISOL DRIZZLE IMPR VIS MODERATE TO GOOD
SOUTH PATAGONIA COASTS(48S - 54S) N OF 50S: NE 6 WITH GUSTS BACK SW 6/7 WITH
GUSTS PROB OF ISOL DRIZZLE NEXT ISOL RAIN VIS MODERATE OCNL POOR
SOUTH PATAGONIA COASTS(48S - 54S) REST OF THE AREA: NE 6 WITH GUSTS BACK SW 8
WITH GUSTS BY 3/1800 PROB OF ISOL DRIZZLE NEXT HVY RAIN VIS MODERATE TO POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6 WITH GUSTS DECR BACK SECTOR S 7
WITH GUSTS BY 3/2100 PROB OF ISOL DRIZZLE NEXT HVY RAIN VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR N 5/6 WITH GUSTS PROB OF ISOL DRIZZLE NEXT RAIN
TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR S 6 GUST WITH 8 INTENSITY
PROB OF SH RAIN VIS MODERATE TO POOR
REST OF THE AREA: SW 4 BACK NE BY 3/1800 PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SW 7/8 WITH GUSTS PROB OF
RAIN SNOW FALL VIS VERY POOR
REST OF THE AREA: SW 8/7 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS VERY
POOR TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6/4 WITH GUSTS VEER
NW 4 BY 3/1800 PROB OF ISOL RAIN VIS MODERATE OCNL POOR
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS PROB OF RAIN STARTING EARLY MORNING
VIS MODERATE TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 8 WITH GUSTS PROB OF SNOW FALL
VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 6 WITH GUSTS VEER NW
5 WITH GUSTS BY 3/1200 PROB OF ISOL SNOW FALL VIS MODERATE
REST OF THE AREA: SECTOR N 5/6 WITH GUSTS PROB OF RAIN STARTING EARLY MORNING
VIS MODERATE TO POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 6 WITH GUSTS PROB OF RAIN VIS
MODERATE TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 03, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
747/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM NE WITH GUST IN 60S-67S 90W-73W UNTIL 03/1500
748/2026 STRONG BARIC GRADIENT MAR DE LA FLOTA COASTS EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 62S-64S 58W-50W FROM 03/0300 UNTIL 03/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 966HPA 60S 90W MOV SE DPN EXTENDS WFNT AT 60S 90W 63S 75W MOV SE
RIDGE 60S 50W 65S 45W 70S 68W MOV E WKN
021400 UTC 1.SEA ICE LIMIT 6224S 02000W 5908S 02618W 5827S 03218W 5829S 03757W 5945S 04317W 5937S 04813W 6053S 05247W 6251S 05655W 6347S 06049W 6409S 06337W 6541S 06605W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5549S 03226W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5017S 02735W 4X1NM ICEBERG2 6341S 05605W 2X1NM ICEBERG3 6219S 05755W 3X1NM 4.ICEBERGS AREA A6242S 02000W 4400S 02000W 4200S 02600W 5922S 02600W B5922S 02600W 4200S 02600W 4900S 03700W 6037S 03700W C6037S 03700W 4900S 03700W 5800S 05000W 6000S 05000W D6000S 05000W 5800S 05000W 6400S 06716W 6645S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-4
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NE 4/5 BACK SECTOR N 6/7 BY 3/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 4/5 INCR NW 5/6 BY 3/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS W OF 60W: NE 4/5 BACK SECTOR N 6/7 BY 3/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4/5 INCR NW 5/6 BY 3/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE MORNING VIS MODERATE TO POOR
GERLACHE STRAIT : NE 3/4 VEER NE 4/5 BY 3/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MARGARITA BAY : NE 5/6 INCR NE 5/6 BY 3/0900 VIS GOOD
EREBUS Y TERROR GULF : NW 3/4 VEER NE 3/4 BY 3/1200 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: NE 7/8 WITH GUSTS BACK SECTOR N 8 WITH GUSTS BY 3/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NE 5/6 GUST WITH 8 INTENSITY INCR NE 9 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFMOD SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 5/6 WITH GUSTS VEER NE 7/8 WITH GUSTS BY 3/1200 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SW 6/7 GUST WITH 8 INTENSITY DECR SW 5/4 WITH GUSTS BY 3/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 WITH GUSTS BY 3/0900 VIS GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 5/4 BACK SE 4/3 BY 3/1200 VIS GOOD=