1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 01, JULY 2025.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
666/2025 LOW 983HPA AT 64S 80W NOT CHANGE PROVOKES WINDS FORCE 8 WITH GUST IN 60S-64S 60W-80W UNTIL 01/1200
667/2025 STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM W IN 60S-62S 50W-70W FROM 01/1500
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 983HPA 64S 80W MOV SE EXTENDS CFNT AT 64S 80W 68S 60W
HIGH 996HPA 70S 53W MOV NE INTSF
LOW 989HPA 65S 60W MOV E
LOW 973HPA 66S 23W MOV NE
301400 UTC 1.SEA ICE LIMIT 5820S 02000W 5849S 03457W 5958S 04654W 5932S 04955W 6059S 05223W 6103S 05541W 6129S 05419W 6216S 05723W 6207S 05944W 6311S 06300W 6411S 06424W 6609S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5627S 03346W 40X32NM A76C 6040S 04858W 16X7NM A74A 5953S 05006W 30X18NM A77 6252S 05859W 27X4NM 3.ICEBERGS SMALLER THAN 10NM A80A 6133S 05351W 8X4NM ICEBERG1 5240S 03156W 3X1NM ICEBERG2 5613S 03501W 4X1NM ICEBERG3 5111S 03223W 2X1NM ICEBERG4 5222S 03648W 2X1NM ICEBERG5 5153S 03653W 3X1NM ICEBERG6 5306S 03414W 3X1NM ICEBERG7 5638S 03329W 5X3NM ICEBERG8 5346S 03342W 4X3NM ICEBERG9 5339S 03358W 6X3NM ICEBERG10 6227S 05812W 4X1NM ICEBERG11 5539S 03539W 3X1NM ICEBERG12 5259S 03226W 3X1NM ICEBERG13 5610S 03320W 2X1NM ICEBERG14 5627S 03320W 2X1NM ICEBERG15 6138S 05401W 9X2NM ICEBERG16 6045S 04711W 5X3NM ICEBERG17 5344S 03346W 3X1NM 4.ICEBERGS AREA A: 5900S 02000W 5000S 02000W 4800S 03400W 5000S 04100W 6035S 04100W B: 6035S 04100W 5500S 04100W 5600S 05000W 6035S 05000W C: 6035S 05000W 5700S 05000W 6400S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-7-2
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 6/5 WITH GUSTS INCR 8 WITH GUSTS BY 1/0300 PROB OF FOG MIST PROB OFINTERMITTENT RAIN SNOW FALL SPELLS OF GOOD WEATHER VIS MODERATE OCNL VERY POOR
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: NW 6/7 WITH GUSTS INCR 8 WITH GUSTS BY 1/1800 PROB OF FOG MIST PROB OFINTERMITTENT RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: NW 6/5 WITH GUSTS INCR NW 7/6 GUST WITH 8 INTENSITY BY 1/0300 BACK W 4 BY 1/1800 PROB OF FOG MIST PROB OFINTERMITTENT RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE MORNING VIS MODERATE OCNL VERY POOR
MAR DE LA FLOTA COASTS REST OF THE AREA: W 7/6 GUST WITH 8 INTENSITY DECR 6/4 WITH GUSTS BY 1/1800 PROB OF FOG MIST PROB OFINTERMITTENT RAIN SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS MODERATE OCNL VERY POOR
GERLACHE STRAIT : N 5 WITH GUSTS VEER NE BY 1/0900 PROB OF FOG MIST DISSIPATING DURING THE EVENING PROB OFMOD HVY SNOW FALL IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE
MARGARITA BAY : VRB 3 PROB OF FOG MIST VIS MODERATE TO POOR OCNL VERY POOR
EREBUS Y TERROR GULF : NW 6/7 GUST WITH 8 INTENSITY BACK W 4 BY 30/1800 PROB OF FOG MIST VIS MODERATE TO POOR OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 85 - N OF 65S: W 4/3 BACK S 4/5 BY 1/0300 PROB OF FOG MIST PROB OFSLIGHT ISOL SNOW FALL VIS MODERATE OCNL VERY POOR
NORTHER BELLINGSHAUSEN SEA E OF 85 - N OF 65S: NW 8 BACK S 4 BY 1/1200 PROB OF FOG MIST PROB OFMOD ISOL SNOW FALL IMPR STARTING EVENING VIS MODERATE OCNL VERY POOR
NORTHER BELLINGSHAUSEN SEA W OF 85 - S OF 65S: SECTOR S 4 VEER NW 5 BY 1/1800 PROB OF FOG MIST VIS VERY POOR TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR S 5/4 PROB OF FOG MIST DISSIPATING DURING THE EVENING VIS POOR TO GOOD OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR W 4 VEER NW 5/6 BY 1/1500 PROB OF FOG MIST PROB OFMOD SNOW FALL STARTING EVENING VIS MODERATE TO POOR OCNL VERY POOR
NORTHERN WEDDELL SEA W OF 40 - N OF 65S: W 7/6 WITH GUSTS DECR 4/5 BY 1/1200 PROB OF FOG MIST PROB OFMOD INTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA W OF 40 - S OF 65S: VRB 3 VIS GOOD
NORTHERN WEDDELL SEA REST OF THE AREA: SW 5/6 WITH GUSTS DECR VRB 3 BY 1/1200 PROB OF SLIGHT ISOL SNOW FALL VIS GOOD OCNL MODERATE
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR W 4/3 VIS GOOD=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-07-1, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 268: LOW 1005HPA AT 38S 51W MOV SE DEEPENING EXPECTED 40S 37W BY 01/2300
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 40S-45S 50W-30W
WARNING 267: LOW 1005HPA AT 38S 51W MOV SE DEEPENING EXPECTED 40S 37W BY 01/2300
PROVOKES WINDS FORCE 8 AROUND ITSELF WITH GUST BETWEEN 35S-40S 55W-30W
WARNING 266: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 WITH GUST IN
DRAKE AREA (55S- 60S AND 60W- 67W) FROM 01/1200 UNTIL 01/1800
WARNING 265: LOW 1005HPA AT 38S 51W DEEPENING EXPECTED 40S 37W BY 01/2300
PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN OUTER RIO DE LA PLATA URUGUAY
SOUTH EAST COASTS UNTIL 01/0600
PART 2 GENERAL SYNOPSIS AT 21:00UTC
301400 UTC 1.SEA ICE LIMIT 5820S 02000W 5849S 03457W 5958S 04654W 5932S 04955W
6059S 05223W 6103S 05541W 6129S 05419W 6216S 05723W 6207S 05944W 6311S 06300W
6411S 06424W 6609S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5627S 03346W 40X32NM
A76C 6040S 04858W 16X7NM A74A 5953S 05006W 30X18NM A77 6252S 05859W 27X4NM
3.ICEBERGS SMALLER THAN 10NM A80A 6133S 05351W 8X4NM ICEBERG1 5240S 03156W 3X1NM
ICEBERG2 5613S 03501W 4X1NM ICEBERG3 5111S 03223W 2X1NM ICEBERG4 5222S 03648W
2X1NM ICEBERG5 5153S 03653W 3X1NM ICEBERG6 5306S 03414W 3X1NM ICEBERG7 5638S
03329W 5X3NM ICEBERG8 5346S 03342W 4X3NM ICEBERG9 5339S 03358W 6X3NM ICEBERG10
6227S 05812W 4X1NM ICEBERG11 5539S 03539W 3X1NM ICEBERG12 5259S 03226W 3X1NM
ICEBERG13 5610S 03320W 2X1NM ICEBERG14 5627S 03320W 2X1NM ICEBERG15 6138S 05401W
9X2NM ICEBERG16 6045S 04711W 5X3NM ICEBERG17 5344S 03346W 3X1NM 4.ICEBERGS AREA
A: 5900S 02000W 5000S 02000W 4800S 03400W 5000S 04100W 6035S 04100W B: 6035S
04100W 5500S 04100W 5600S 05000W 6035S 05000W C: 6035S 05000W 5700S 05000W 6400S
06716W 6700S 06716W
LOW 1005HPA MOV SE DPN EXP 40S 37W BY 02/0000 ASOCIATED WITH OFNT AT 40S 47W 40S
54W 36S 53W
HIGH 1022HPA 43S 34W MOV NE WKN EXP BY 02/0000
RIDGE 41S 63W 43S 61W 48S 64W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-7-2
COASTAL AREAS:
INNER RIO DE LA PLATA: SW 5 WITH GUSTS DECR VRB 4/3 BY 1/0600 VIS GOOD
OUTER RIO DE LA PLATA: SW 8/7 WITH GUSTS DECR 6/5 WITH GUSTS BY 1/0300 LOW PROB
OF DRIZZLE IMPR DURING THE EARLY MORNING VIS POOR OCNL VERY POOR TO GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 8/7 WITH GUSTS BACK SECTOR S 6/5 WITH GUSTS
BY 1/0600 PROB OF ISOL RAIN IMPR DURING THE MORNING VIS VERY POOR TO GOOD
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR S 7/6 GUST WITH 8 INTENSITY VEER
SECTOR W 4 BY 1/1800 PROB OF ISOL RAIN IMPR STARTING EARLY MORNING VIS MODERATE
OCNL POOR TO GOOD
RINCON BAHIA BLANCA COASTS(3830S - 41S): SW 6/5 WITH GUSTS VEER W BY 1/0300
VEER NW BY 1/1200 VIS GOOD
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/6 WITH GUSTS VIS GOOD
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5/6 WITH GUSTS VIS GOOD
SOUTH PATAGONIA COASTS(48S - 54S): NW 5/4 WITH GUSTS VIS GOOD
FIN DEL MUNDO COASTS(54S - 55S): NW 6 WITH GUSTS VIS GOOD
ISLAS MALVINAS COASTS: NW 5/6 WITH GUSTS VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: VRB 4 INCR SECTOR N 5/6 WITH GUSTS
BY 1/1500 PROB OF RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE OCNL POOR
W OF 30 - E OF 40W: SECTOR E 7/8 WITH GUSTS VEER SECTOR W 8 WITH GUSTS BY
1/0600 BACK SECTOR S BY 1/2300 PROB OF HVY RAIN VIS VERY POOR TO POOR
W OF 40 - E OF 50W: SECTOR W 8 WITH GUSTS BACK SECTOR S BY 1/1200 PROB OF HVY
RAIN VIS VERY POOR
REST OF THE AREA: SECTOR W 8 WITH GUSTS BACK SECTOR S BY 1/0300 DECR 7/6 WITH
GUSTS BY 1/1500 PROB OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS VERY POOR
TO POOR OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SW 5 WITH GUSTS
DECR VRB 4 BY 1/0600 INCR SECTOR N 6 WITH GUSTS BY 1/2100 PROB OF RAIN STARTING
EVENING VIS GOOD TO MODERATE OCNL POOR
E OF 30 - S OF 45S: SW 7/6 GUST WITH 8 INTENSITY LOW PROB OF RAIN AND SNOW
MIXTURE VIS POOR OCNL VERY POOR
W OF 30 - N OF 45S: SECTOR E 6/7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY
1/0600 VEER SECTOR S BY 1/1800 PROB OF HVY RAIN STARTING EARLY MORNING VIS VERY
POOR TO POOR
REST OF THE AREA: SW 5/6 WITH GUSTS LOW PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR E 7 GUST
WITH 8 INTENSITY INCR 8 WITH GUSTS BY 1/0600 VEER SECTOR S BY 1/1200 PROB OF
RAIN VIS VERY POOR TO POOR
E OF 50 - S OF 45S: VRB 4 INCR SECTOR S 5 WITH GUSTS BY 1/1200 LOW PROB OF RAIN
AND SNOW MIXTURE VIS MODERATE OCNL GOOD
W OF 50 - N OF 45S: SECTOR S 7/6 GUST WITH 8 INTENSITY VEER SECTOR W 4 BY
1/1800 PROB OF ISOL RAIN VIS POOR OCNL VERY POOR TO MODERATE
REST OF THE AREA: W 4 VEER NW 5/6 WITH GUSTS BY 1/1500 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30 - N OF 55S: SW 7 GUST WITH 8
INTENSITY VEER W BY 1/0900 PROB OF SNOW FALL VIS POOR OCNL VERY POOR
E OF 30 - S OF 55S: SW 7 GUST WITH 8 INTENSITY BACK S BY 1/1200 PROB OF SNOW
FALL IMPR TOWARDS THE END OF THE PERIOD VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 7/6 GUST WITH 8 INTENSITY PROB OF RAIN AND SNOW
MIXTURE VIS POOR OCNL VERY POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 5/6 WITH GUSTS LOW
PROB OF ISOL RAIN IMPR STARTING EVENING VIS MODERATE OCNL GOOD
REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY PROB OF RAIN AND SNOW
MIXTURE SPELLS OF GOOD WEATHER VIS POOR OCNL VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): W 7 GUST WITH 8 INTENSITY INCR NW 8 WITH
GUSTS BY 1/1200 DECR 7 BY 1/1800 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS
POOR OCNL VERY POOR
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