1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-06-5, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 238: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 40S-60S AND 20W-30W UNTIL 05/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
041400 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 5544S 03229W 16XNM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6212S 05731W
3X1NM 4.ICEBERGS AREA A6242S 02000W 4000S 02000W 4058S 03000W 5828S 03000W
B5828S 03000W 4058S 03000W 5258S 04300W 5950S 04300W C5950S 04300W 5258S 04300W
6006S 05800W 6320S 05800W D6320S 05800W 6006S 05800W 6500S 06716W 6834S 06716W
LOW 1008HPA 53S 52W MOV NE WKN EXP 49S 46W BY 05/2100 EXTENDS CFNT AT 52S 44W
47S 47W 43S 43W
HIGH 1032HPA 37S 40W MOV NE WKN
HIGH 1026HPA 45S 62W NC
STATIONARY FRONT 41S 63W 42S 58W 42S 55W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-6
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 UNSTABLE PROB OF MIST VIS MODERATE TO GOOD
OUTER RIO DE LA PLATA: NE 3 PROB OF MIST PROB OF SH STARTING EARLY MORNING VIS
MODERATE TO GOOD
URUGUAY SOUTH EAST COASTS: NE 3 PROB OF MIST PROB OF SH STARTING EVENING VIS
MODERATE TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): NE 3/4 PROB OF HVY RAIN NEXT RAIN VIS
POOR TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 3 VEER SECTOR E 4 BY 5/1200 PROB
OF RAIN NEXT HVY RAIN VIS POOR OCNL MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR E 4/5 LOW PROB OF DRIZZLE VIS
MODERATE OCNL GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 4/5 LOW PROB OF DRIZZLE DURING
THE EVENING VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR N 5/6 WITH GUSTS VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): SW 5 VEER SECTOR N BY 5/0900 PROB OF MIST
DURING THE MORNING VIS MODERATE
ISLAS MALVINAS COASTS: SW 5/4 PROB OF RAIN IMPR TOWARDS EVENING VIS POOR TO
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SW 4 VEER W 5 WITH GUSTS PROB OF
RAIN VIS MODERATE TO POOR
REST OF THE AREA: SECTOR N 4/5 WITH GUSTS PROB OF SH RAIN VIS POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) N OF 45 - E OF 30W: SECTOR W 8 DECR
SECTOR W 6 WITH GUSTS BY 5/0600 PROB OF RAIN VIS VERY POOR
S OF 45 - E OF 30W: SECTOR W 8 DECR 6 WITH GUSTS BY 5/0600 BACK SW 5 BY 5/1800
PROB OF RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) N OF 45 - E OF 50W: NW 6/5 WITH GUSTS
BACK SECTOR S 5/4 BY 5/1500 PROB OF SH RAIN VIS POOR TO MODERATE
N OF 45 - W OF 50W: SECTOR S 4/5 PROB OF SH RAIN VIS POOR TO MODERATE
REST OF THE AREA: SECTOR W 6 WITH GUSTS LOW PROB OF RAIN VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 8 DECR 7 WITH GUSTS BY
5/0600 LOW PROB OF RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
REST OF THE AREA: SECTOR S 6/5 VIS GOOD
SOUTH WEST AREA (50S- 60S AND 40W- 60W): VRB 5/4 VEER SECTOR S 5 PROB OF ISOL
RAIN VIS GOOD OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 4 VEER SECTOR N 5/6 VIS MODERATE
OCNL GOOD
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 05, JUNE 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
755/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 60S-65S 80W-70W UNTIL 06/1200
756/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MARGARITA BAY MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM NE WITH GUST IN 65S-69S 70W-64W FROM 05/1800 UNTIL 06/1800
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 1005HPA 65S 48W MOV E WKN
HIGH 1010HPA 68S 41W MOV NE INTSF EXTENDS RIDGE AT 68S 41W 63S 39W 60S 38W MOV E
041400 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 5544S 03229W 16XNM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4941S 02720W 4X1NM ICEBERG2 6212S 05731W 3X1NM 4.ICEBERGS AREA A6242S 02000W 4000S 02000W 4058S 03000W 5828S 03000W B5828S 03000W 4058S 03000W 5258S 04300W 5950S 04300W C5950S 04300W 5258S 04300W 6006S 05800W 6320S 05800W D6320S 05800W 6006S 05800W 6500S 06716W 6834S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-06-6
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 5/6 WITH GUSTS BACK NW 7 GUST WITH 8 INTENSITY BY 5/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 4/3 VEER NW 4/5 BY 5/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 5/6 WITH GUSTS BACK NW 7 GUST WITH 8 INTENSITY BY 5/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 4/5 VEER NW 4/5 BY 5/1200 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE OCNL GOOD
GERLACHE STRAIT : NE 5/6 INCR NE 7/8 WITH GUSTS BY 5/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE
MARGARITA BAY : NE 5/6 WITH GUSTS INCR NE 7/8 WITH GUSTS BY 5/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
EREBUS Y TERROR GULF : SW 3/4 VEER NW 3/4 BY 5/1200 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR N 7/8 WITH GUSTS INCR SECTOR N 9 WITH GUSTS BY 5/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA (60-66S 70-90W): SECTOR N 5/6 WITH GUSTS VEER NE 7/8 WITH GUSTS BY 5/1500 PROB OF MIST PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 5/7 WITH GUSTS VEER NE 7 WITH GUSTS BY 5/0900 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: SW 3/4 BACK SW 4/5 WITH GUSTS BY 5/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS MORNING VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/4 VEER NE 5/4 BY 5/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 3/4 BACK SECTOR E 3/4 BY 5/1500 VIS GOOD=