1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-9, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 198: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST IN URUGUAY SOUTH EAST COASTS FROM 09/1500
WARNING 197: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN
OUTER RIO DE LA PLATA MAR DEL PLATA COASTS
WARNING 196: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR N WITH
GUST IN DRAKE AREA (55S- 60S AND 60W- 67W) FROM 09/0900 UNTIL 09/2100
WARNING 194: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 9 FROM NW WITH
GUST BETWEEN 35S-45S AND 40W-50W
WARNING 192: LOW 974HPA AT 44S 51W MOV E DEEPENING EXPECTED 44S 48W BY 09/2100
PROVOKES WINDS FORCE 9 FROM SECTOR S WITH GUST IN RINCON BAHIA BLANCA COASTS
PENINSULA DE VALDES COASTS GOLFO DE SAN JORGE COASTS
WARNING 191: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 9 FROM SE WITH GUST
BETWEEN 45S-55S AND 30W-50W
WARNING 195: LOW 974HPA AT 44S 51W MOV E DEEPENING EXPECTED 44S 48W BY 09/2100
PROVOKES WINDS FORCE 10 FROM SECTOR S WITH GUST BETWEEN 35S-50S AND 50W-60W
PART 2 GENERAL SYNOPSIS AT 21:00UTC
081400 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 5815S 03629W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4917S 02649W 6X3NM ICEBERG2 5126S 02612W
5X3NM ICEBERG3 4702S 02728W 2X1NM ICEBERG4 4629S 02628W 4X2NM ICEBERG5 5742S
03608W 2X1NM 4.ICEBERGS AREA A6659S 02000W 4324S 02000W 4207S 03513W 6207S
03425W B6207S 03425W 4205S 03413W 6002S 05603W 6328S 05500W C6328S 05500W 6002S
05503W 6445S 06716W 6638S 06716W
LOW 974HPA 44S 51W MOV E DPN EXP 44S 48W BY 09/2100 EXTENDS CFNT AT 44S 46W 40S
42W 36S 42W MOV E ASOCIATED WITH OFNT AT 46S 54W 44S 58W 40S 58W
HIGH 1032HPA FIN DEL MUNDO COASTS MOV SE WKN EXP 59S 44W BY 09/1800 EXTENDS
RIDGE AT DRAKE AREA (55S- 60S AND 60W- 67W)
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-10
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 6 WITH GUSTS BACK SW BY 9/0600 PROB OF DRIZZLE
RAIN STARTING EARLY MORNING VIS MODERATE OCNL POOR
OUTER RIO DE LA PLATA: SECTOR W 6/7 WITH GUSTS BACK SW 8 WITH GUSTS BY 9/1500
DRIZZLE RAIN VIS VERY POOR TO POOR
URUGUAY SOUTH EAST COASTS: NW 6/7 GUST WITH 8 INTENSITY BACK SECTOR W 8 WITH
GUSTS BY 9/1800 PROB OF SH RAIN VIS VERY POOR TO POOR
MAR DEL PLATA COASTS(3617S - 3830S): SW 8 WITH GUSTS PROB OF RAIN VIS VERY
POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR S 9/8 WITH GUSTS PROB OF SH
RAIN VIS VERY POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR S 9/8 SH RAIN VIS VERY POOR TO
POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR S 8/7 WITH GUSTS DECR 5 WITH
GUSTS BY 9/1800 PROB OF DRIZZLE VIS POOR
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 6 WITH GUSTS VEER NW 5 BY 9/1200
BACK SECTOR W 6 WITH GUSTS BY 9/2100 PROB OF RAIN STARTING EVENING VIS MODERATE
OCNL POOR
FIN DEL MUNDO COASTS(54S - 55S): SE 4 VEER SECTOR N 5 WITH GUSTS BY 9/0900
PROB OF RAIN STARTING EVENING VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR S 7/6 GUST WITH 8 INTENSITY PROB OF SH RAIN AND
SNOW MIXTURE VIS POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 40W: SECTOR N 6/7 GUST WITH 8 INTENSITY
PROB OF SH RAIN VIS MODERATE TO POOR
W OF 40 - E OF 50W: NW 9 WITH GUSTS PROB OF SH RAIN VIS VERY POOR
REST OF THE AREA: NW 9 WITH GUSTS BACK SW 9 WITH GUSTS BY 9/0900 PROB OF SH
RAIN VIS VERY POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 45W: SECTOR N 6/7 WITH GUSTS PROB
OF RAIN VIS POOR
E OF 30 - S OF 45S: SECTOR E 5/6 WITH GUSTS PROB OF SH OF SNOW RAIN VIS VERY
POOR
REST OF THE AREA: SE 8 WITH GUSTS VEER SECTOR N 6 WITH GUSTS BY 9/2100 PROB OF
RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: NW 8/9 WITH GUSTS
PROB OF SH RAIN VIS VERY POOR
E OF 50 - S OF 45S: SE 9 WITH GUSTS PROB OF RAIN VIS VERY POOR
REST OF THE AREA: SECTOR S 11/10 WITH GUSTS PROB OF RAIN VIS VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 6 WITH GUSTS PROB OF ISOL
SNOW FALL VIS POOR OCNL MODERATE
W OF 30 - N OF 55S: SE 7/8 WITH GUSTS PROB OF RAIN SNOW FALL VIS VERY POOR
REST OF THE AREA: SECTOR S 5 WITH GUSTS VIS MODERATE
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SE 8 WITH GUSTS PROB OF RAIN
AND SNOW MIXTURE VIS VERY POOR
E OF 50 - S OF 55S: SE 6 WITH GUSTS BACK E 5 WITH GUSTS BY 9/1200 VIS
MODERATE
REST OF THE AREA: VRB 3 VEER SECTOR N 5/6 BY 9/1500 PROB OF FOG PATCHES NEXT
IMPR STARTING EARLY MORNING VIS MODERATE OCNL POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 6 WITH GUSTS INCR 8 WITH GUSTS BY
9/0900 PROB OF RAIN STARTING EARLY MORNING VIS VERY POOR TO POOR
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1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 09, MAY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
623/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR N WITH GUST IN 60S-66S 80W-70W UNTIL 09/1500
624/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV SE DEEPENING PROVOKES WINDS FORCE 9 FROM SECTOR N WITH GUST IN 60S-66S 70W-60W UNTIL 10/0300
625/2026 STRONG BARIC GRADIENT GERLACHE STRAIT MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR E WITH GUST IN 64S-66S 70W-66W FROM 09/0600 UNTIL 10/1800
626/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV SE DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 64S-67S 59W-50W FROM 09/0300 UNTIL 10/0000
627/2026 STRONG BARIC GRADIENT MARGARITA BAY MOV SE DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR N GUST WITH 9 INTENSITY VEER SECTOR E IN 66S-69S 70W-67W UNTIL 09/2100
PART 2 GENERAL SYNOPSIS AT 21:00UTC
HIGH 1021HPA 60S 55W MOV E WKN EXTENDS RIDGE AT 60S 55W 63S 44W 69S 38W MOV E
LOW 983HPA 60S 85W MOV SE DPN
LOW 992HPA 67S 77W MOV SE DPN
081400 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 5815S 03629W 16X7NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4917S 02649W 6X3NM ICEBERG2 5126S 02612W 5X3NM ICEBERG3 4702S 02728W 2X1NM ICEBERG4 4629S 02628W 4X2NM ICEBERG5 5742S 03608W 2X1NM 4.ICEBERGS AREA A6659S 02000W 4324S 02000W 4207S 03513W 6207S 03425W B6207S 03425W 4205S 03413W 6002S 05603W 6328S 05500W C6328S 05500W 6002S 05503W 6445S 06716W 6638S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-10
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR N 7/8 INCR SECTOR N 9 WITH GUSTS BY 9/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 3/4 INCR NW 5/7 BY 9/1200 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS GOOD TO MODERATE
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 7/8 INCR SECTOR N 9 WITH GUSTS BY 9/0600 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: NW 4/5 INCR NW 7/8 WITH GUSTS BY 9/1200 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE WORSENING DURING THE EVENING VIS GOOD TO MODERATE
GERLACHE STRAIT : NE 4/6 INCR SECTOR E 7/8 WITH GUSTS BY 9/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL WORSENING TOWARDS EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 7/8 WITH GUSTS INCR SECTOR E 9 WITH GUSTS BY 9/0600 PROB OF MIST PROB OFISOL SNOW FALL WORSENING TOWARDS EARLY MORNING VIS MODERATE TO POOR
EREBUS Y TERROR GULF : NW 6/7 WITH GUSTS INCR NW 9 WITH GUSTS BY 9/0900 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE MORNING VIS MODERATE TO VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SECTOR S 4/5 VEER SW 7/8 WITH GUSTS BY 9/2100 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS VERY POOR TO MODERATE
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 9 WITH GUSTS BACK SW 9 WITH GUSTS BY 9/1500 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
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 3/4 VEER NE 3 BY 9/0900 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR W 5/4 VEER SECTOR W 4/3 BY 9/0600 VIS GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR W 6/7 WITH GUSTS VEER NW 5/6 BY 9/0900 VIS GOOD
SOUTHERN WEDDELL SEA (68-78S 20-60W): SE 4/5 WITH GUSTS BACK NE 4 BY 9/1200 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING EARLY MORNING VIS GOOD TO MODERATE=