METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 040000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 04, JULY 2026.

NATIONAL WEATHER SERVICE (NWS)

SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS

PART 1 GALE WARNING:

884/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 WITH GUST BACK SECTOR W IN 60S-65S 90W-70W UNTIL 04/0900

885/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST VEER NW IN 60S-64S 70W-50W UNTIL 04/1800

886/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 64S-67S 58W-50W FROM 04/0900 UNTIL 04/2100

887/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-65S 50W-30W UNTIL 04/1500

888/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST BACK SECTOR W IN 66S-72S 90W-70W FROM 04/0300 UNTIL 05/0300

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 957HPA 71S 82W MOV E DPN

LOW 958HPA 67S 40W MOV SE DPN

LOW 969HPA 64S 87W MOV SE DPN

RIDGE 60S 60W 63S 59W 65S 58W MOV E WKN

031400 UTC 1.SEA ICE LIMIT 6022S 02000W 5707S 02617W 5817S 03218W 5822S 03757W 5912S 04316W 5937S 04813W 6145S 05247W 6244S 05655W 6229S 06032W 6414S 06336W 6532S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6151S 05314W 28X25NM A76C 5235S 03216W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4732S 02212W 3X1NM ICEBERG2 5251S 03221W 2X1NM ICEBERG3 6142S 05333W 2X1NM 4.ICEBERGS AREA A6018S 02000W 4300S 02000W 4500S 03500W 5819S 03500W B5819S 03500W 5100S 03500W 5500S 04900W 6139S 04858W C6139S 04858W 5900S 04900W 5900S 06000W 6300S 06716W 6647S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-5

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 8 WITH GUSTS VEER NW 9 WITH GUSTS BY 4/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 8 WITH GUSTS VEER NW 8 WITH GUSTS BY 4/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 8 WITH GUSTS VEER NW 9 WITH GUSTS BY 4/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS VERY POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 8 WITH GUSTS VEER NW 9 WITH GUSTS BY 4/1200 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

GERLACHE STRAIT : NE 4/5 WITH GUSTS BACK NW 7 GUST WITH 8 INTENSITY BY 4/0600 AFTERWARDS SECTOR W 7 WITH GUSTS BY 4/1500 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS POOR TO MODERATE

MARGARITA BAY : NE 5/7 WITH GUSTS BACK NW 7 GUST WITH 8 INTENSITY BY 4/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE

EREBUS Y TERROR GULF : SW 4/5 VEER NW 5/7 WITH GUSTS BY 4/0600 PROB OF MIST IMPR DURING THE EARLY MORNING VIS MODERATE TO GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: NW 9 WITH GUSTS BACK SECTOR W 7/5 WITH GUSTS BY 4/0600 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER STARTING EARLY MORNING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: NW 7/8 WITH GUSTS BACK SECTOR W 9 WITH GUSTS BY 4/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR E 7/8 WITH GUSTS BACK NE 5/4 BY 4/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING EVENING VIS POOR TO MODERATE

NORTHERN WEDDELL SEA N OF 65S: SECTOR W 9 WITH GUSTS BACK SW 8/7 WITH GUSTS BY 4/1200 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 8/7 WITH GUSTS VEER SECTOR W 5/4 BY 4/1500 PROB OF FOG AND MIST IN PATCHES PROB OFINTERMITTENT SNOW FALL IMPR DURING THE MORNING VIS VERY POOR TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 4/5 BACK SECTOR N 5/7 BY 4/1500 PROB OF MIST PROB OFISOL SNOW FALL WORSENING DURING THE EARLY MORNING VIS MODERATE TO POOR=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 040000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-07-4, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 307: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH

GUST IN SOUTH EAST AREA (50S- 60S AND 20W- 40W) BETWEEN 45S-50S 20W-30W

WARNING 306: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR S WITH

GUST BETWEEN 35S-40S AND 30W-50W

WARNING 305: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W

WITH GUST BETWEEN 55S-60S AND 40W-60W UNTIL 04/1200

PART 2 GENERAL SYNOPSIS AT 21:00UTC

HIGH 1030HPA 38S 57W MOV SE WKN EXP 43S 53W BY 05/0000

CFNT AT 54S 27W 49S 34W 47S 47W MOV E

031400 UTC 1.SEA ICE LIMIT 6022S 02000W 5707S 02617W 5817S 03218W 5822S 03757W

5912S 04316W 5937S 04813W 6145S 05247W 6244S 05655W 6229S 06032W 6414S 06336W

6532S 06559W 6613S 06716W 2.ICEBERGS GREATER THAN 10NM A81 6151S 05314W 28X25NM

A76C 5235S 03216W 16X6NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 4732S 02212W

3X1NM ICEBERG2 5251S 03221W 2X1NM ICEBERG3 6142S 05333W 2X1NM 4.ICEBERGS AREA

A6018S 02000W 4300S 02000W 4500S 03500W 5819S 03500W B5819S 03500W 5100S 03500W

5500S 04900W 6139S 04858W C6139S 04858W 5900S 04900W 5900S 06000W 6300S 06716W

6647S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-07-5

COASTAL AREAS:

INNER RIO DE LA PLATA: SECTOR E 3/4 PROB OF FOG AND MIST IN PATCHES STARTING

EARLY MORNING DISSIPATING DURING THE MORNING VIS GOOD TO MODERATE OCNL POOR

OUTER RIO DE LA PLATA: SECTOR S 4 BACK SECTOR E BY 4/2100 PROB OF FOG AND MIST

IN PATCHES STARTING EARLY MORNING DISSIPATING TOWARDS MORNING VIS GOOD TO

MODERATE OCNL POOR

URUGUAY SOUTH EAST COASTS: SECTOR S 6/5 WITH GUSTS BACK SECTOR E BY 4/2100 PROB

OF FOG AND MIST IN PATCHES STARTING EARLY MORNING DISSIPATING TOWARDS MORNING

VIS GOOD TO MODERATE OCNL POOR

MAR DEL PLATA COASTS(3617S - 3830S): VRB 3/4 PROB OF FOG AND MIST IN PATCHES

STARTING EARLY MORNING DISSIPATING TOWARDS MORNING VIS GOOD TO MODERATE OCNL

POOR

RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 4/5 WITH GUSTS VIS GOOD

PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 6 WITH GUSTS LOW PROB OF

DRIZZLE TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS BACK SECTOR W 4 BY

4/1800 LOW PROB OF DRIZZLE TOWARDS THE END OF THE PERIOD VIS GOOD OCNL

MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): VRB 4 INCR SECTOR S 5 BY 4/1800 PROB OF

MIST DURING THE EARLY MORNING LOW PROB OF DRIZZLE DURING THE EVENING VIS GOOD

OCNL MODERATE

FIN DEL MUNDO COASTS(54S - 55S): W 6/5 WITH GUSTS VEER NW BY 4/0600 VIS GOOD

ISLAS MALVINAS COASTS: VRB 3 INCR SECTOR N 4 BY 4/1500 LOW PROB OF ISOL RAIN

STARTING EARLY MORNING IMPR TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR S 6 WITH GUSTS VEER SECTOR W

BY 4/0600 VIS GOOD

W OF 30 - E OF 40W: SECTOR E 6/7 GUST WITH 8 INTENSITY VEER SECTOR S 8 WITH

GUSTS BY 4/1500 PROB OF RAIN VIS MODERATE TO VERY POOR

W OF 40 - E OF 50W: SECTOR S 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 4/1500 PROB OF

RAIN VIS VERY POOR TO POOR

REST OF THE AREA: SECTOR S 6/5 WITH GUSTS BACK SECTOR E 4 BY 4/2100 PROB OF

ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: SW 6 WITH GUSTS

PROB OF ISOL RAIN STARTING EARLY MORNING VIS GOOD TO MODERATE

E OF 30 - S OF 45S: SECTOR W 7 GUST WITH 8 INTENSITY INCR 8 WITH GUSTS BY

4/1800 PROB OF RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR

W OF 30 - N OF 45S: VRB 4 INCR SECTOR S 5 WITH GUSTS BY 4/1800 LOW PROB OF

DRIZZLE STARTING EARLY MORNING VIS GOOD OCNL MODERATE

REST OF THE AREA: SW 7/6 WITH GUSTS LOW PROB OF ISOL RAIN STARTING EVENING VIS

POOR TO MODERATE

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50 - N OF 45S: SECTOR S 5 WITH

GUSTS LOW PROB OF DRIZZLE DURING THE MORNING VIS GOOD OCNL MODERATE

E OF 50 - S OF 45S: SECTOR S 5/4 DECR VRB 3 BY 4/1800 LOW PROB OF ISOL RAIN

TOWARDS THE END OF THE PERIOD VIS GOOD OCNL MODERATE

REST OF THE AREA: SECTOR W 5/4 VEER SECTOR N 5 WITH GUSTS BY 4/1500 LOW PROB OF

ISOL RAIN VIS GOOD OCNL MODERATE

SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR W 8 WITH GUSTS PROB OF SNOW FALL

VIS VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR W 7/6 GUST WITH 8

INTENSITY DECR 5 BY 4/1800 PROB OF ISOL RAIN STARTING EVENING VIS POOR OCNL VERY

POOR TO MODERATE

REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 7/6 WITH GUSTS BY 4/1200 PROB OF

RAIN AND SNOW MIXTURE VIS VERY POOR TO POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 7/6 GUST WITH 8 INTENSITY LOW PROB

OF ISOL RAIN VIS POOR TO MODERATE

-----------------------------------------------------------------

NNNN=