1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-6, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 189: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SW WITH
GUST BETWEEN 45S-60S AND 20W-40W
WARNING 188: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 WITH GUST
BETWEEN 35S-45S AND 20W-30W UNTIL 06/0900
WARNING 187: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S
WITH GUST BETWEEN 50S-60S AND 40W-50W UNTIL 06/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 051400 UTC
1.SEA ICE LIMIT
6614S 02000W 6617S 02518W 6613S 02753W 6521S 03227W 6228S 03509W 6255S 04154W
6302S 04651W 6218S 04928W 6158S 05227W 6213S 05625W 6416S 06313W 6647S 06716W
2.ICEBERGS GREATER THAN 10NM
A76C 5832S 03631W 16X7NM
3.ICEBERGS SMALLER THAN 10NM
ICEBERG1 4931S 02715W 6X3NM
ICEBERG2 5109S 02715W 5X3NM
ICEBERG3 4702S 02728W 2X1NM
ICEBERG4 4655S 02709W 4X2NM
ICEBERG5 5819S 03305W 3X1NM
ICEBERG6 5742S 03608W 2X1NM
4.ICEBERGS AREA
A6843S 02000W 4058S 02000W 4158S 03700W 6215S 03700W
B6215S 03700W 4158S 03700W 5858S 05002W 6233S 05002W
C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
CFNT AT 52S 27W 49S 26W 44S 31W MOV E
HIGH 1015HPA 48S 58W MOV E INTSF EXP 48S 52W BY 06/1800 EXTENDS RIDGE AT FIN DEL
MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W)
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-7
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3/4 WITH GUSTS PROB OF FOG AND MIST IN PATCHES
STARTING EARLY MORNING NXT PROB OF STORMS SPELLS OF GOOD WEATHER VIS MODERATE
OCNL POOR
OUTER RIO DE LA PLATA: NE 3/4 WITH GUSTS PROB OF FOG AND MIST IN PATCHES DURING
THE EARLY MORNING NXT PROB OF STORMS STARTING EVENING VIS MODERATE TO POOR
URUGUAY SOUTH EAST COASTS: NE 3/4 WITH GUSTS PROB OF ISOL STORMS STARTING EARLY
MORNING SPELLS OF GOOD WEATHER VIS MODERATE TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR E 3/4 INCR 5/6 WITH GUSTS BY
6/1800 PROB OF HVY STORMS STARTING EVENING VIS MODERATE OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 3/4 INCR 6 WITH GUSTS BY 6/1500
PROB OF SH STORMS STARTING EARLY MORNING VIS MODERATE TO POOR
PENINSULA DE VALDES COASTS(41S - 45S): NE 3/4 INCR 6 WITH GUSTS BY 6/1200 PROB
OF RAIN STORMS STARTING EARLY MORNING VIS MODERATE TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 3/4 INCR 6 WITH GUSTS BY 6/1200 PROB
OF RAIN STORMS STARTING EARLY MORNING VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): NE 5/4 PROB OF ISOL RAIN SPELLS OF GOOD
WEATHER VIS MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 6/5 WITH GUSTS PROB OF RAIN VIS
MODERATE
ISLAS MALVINAS COASTS: VRB 3 INCR SECTOR N 5 WITH GUSTS BY 6/1500 UNSTABLE VIS
MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 8/6 WITH GUSTS PROB OF SH RAIN
VIS POOR
W OF 30 - E OF 40W: NW 7/6 WITH GUSTS DECR VRB 3 BY 6/1800 PROB OF SH RAIN IMPR
TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
REST OF THE AREA: VRB 3 INCR NE 5/6 WITH GUSTS BY 6/1800 PROB OF ISOL STORMS
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 8 WITH GUSTS
BACK SW 7 GUST WITH 8 INTENSITY BY 6/1200 PROB OF SH RAIN VIS POOR
W OF 30 - N OF 45S: SECTOR W 7 GUST WITH 8 INTENSITY BACK SW 5 WITH GUSTS BY
6/1500 PROB OF SH SPELLS OF GOOD WEATHER VIS POOR TO MODERATE
REST OF THE AREA: SW 8 WITH GUSTS PROB OF SH RAIN AND SNOW MIXTURE VIS VERY
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 6/4 WITH GUSTS PROB
OF ISOL RAIN VIS MODERATE
W OF 50 - N OF 45S: VRB 3 INCR SECTOR E 5/6 WITH GUSTS BY 6/1800 PROB OF SH
TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
REST OF THE AREA: VRB 3 INCR NE 4/5 WITH GUSTS BY 6/1800 UNSTABLE VIS
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR S 8 WITH GUSTS VEER SW WITH
GUSTS BY 6/1200 PROB OF SNOW FALL VIS VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR S 8/7 WITH GUSTS VEER
SW 6 WITH GUSTS BY 6/1800 PROB OF ISOL SNOW FALL VIS POOR
REST OF THE AREA: SECTOR S 5/4 BACK SECTOR N 4 BY 6/1200 PROB OF ISOL SNOW FALL
VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5/4 WITH GUSTS BACK SECTOR W 5 BY
6/1800 PROB OF SH RAIN AND SNOW MIXTURE VIS MODERATE
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 06, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
612/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E INTENSIFYING WILL PROVOKE WINDS FORCE 8 GUST WITH 9 INTENSITY IN 64S-70S 90W-80W FROM 06/0600 UNTIL 07/0300
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1006HPA 66S 55W MOV NE INTSF
LOW 1005HPA 62S 53W MOV SE WKN
LOW 990HPA 68S 78W MOV SE DPN
051400 UTC 1.SEA ICE LIMIT 6614S 02000W 6617S 02518W 6613S 02753W 6521S 03227W 6228S 03509W 6255S 04154W 6302S 04651W 6218S 04928W 6158S 05227W 6213S 05625W 6416S 06313W 6647S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5832S 03631W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4931S 02715W 6X3NM ICEBERG2 5109S 02715W 5X3NM ICEBERG3 4702S 02728W 2X1NM ICEBERG4 4655S 02709W 4X2NM ICEBERG5 5819S 03305W 3X1NM ICEBERG6 5742S 03608W 2X1NM 4.ICEBERGS AREA A6843S 02000W 4058S 02000W 4158S 03700W 6215S 03700W B6215S 03700W 4158S 03700W 5858S 05002W 6233S 05002W C6233S 05002W 5858S 05002W 6227S 06716W 6859S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-7
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 2/4 VEER NE 4/5 BY 6/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 5/6 VEER SECTOR W 5/4 BY 6/0900 PROB OF MIST PROB OFISOL SNOW FALL WORSENING SLOWLY DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: NW 3/4 VEER NE 4/5 BY 05/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 5/6 VEER NW 5/4 BY 6/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE
GERLACHE STRAIT : SECTOR E 3/4 BACK NE 2/3 BY 05/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 4/5 BACK SECTOR N 5/6 BY 6/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : NE 3/4 BACK SW 4/3 BY 6/2100 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SECTOR W 4/5 VEER NW 6/7 WITH GUSTS BY 6/0900 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 5/6 VEER SECTOR N 7/8 WITH GUSTS BY 6/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NE 6/7 GUST WITH 8 INTENSITY BACK SECTOR N 6/5 BY 05/0600 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE TO VERY POOR
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 8/6 WITH GUSTS VEER SW 6/5 BY 6/0600 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 8 WITH GUSTS DECR SW 6/5 BY 6/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 VEER SECTOR S 5/6 BY 6/1200 PROB OF MIST PROB OFISOL SNOW FALL IMPR DURING THE EVENING VIS MODERATE TO GOOD=