METAREA 6 bulletinset


HIGH SEAS FORECAST SOUTH 60S
WWAA02 SAWB 150000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

00:00 UTC 15, MAY 2026.

NATIONAL WEATHER SERVICE (NWS)

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

PART 1 GALE WARNING:

663/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH GUST IN 60S-66S 90W-80W FROM 15/1200 UNTIL 16/1500

664/2026 STRONG BARIC GRADIENT SOUTHERN PORTION OF DRAKE STRAIT MAR DE LA FLOTA COASTS MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-64S 70W-50W FROM 15/2100

665/2026 STRONG BARIC GRADIENT EREBUS Y TERROR GULF MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 FROM SW WITH GUST IN 65S-69S 59W-50W FROM 15/0600 UNTIL 16/0300

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 947HPA 70S 49W MOV E DPN

LOW 960HPA 67S 35W MOV SE DPN

141400 UTC 1.SEA ICE LIMIT 6535S 02000W 6421S 02617W 6005S 03217W 6048S 03757W 6057S 04317W 6128S 04813W 6131S 05248W 6316S 05655W 6349S 06032W 6447S 06401W 6615S 06559W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5737S 03443W 16X7NM 3.ICEBERGS SMALLER THAN ICEBERG1 4938S 02708W 5X1NM ICEBERG2 4552S 02631W 4X2NM 4.ICEBERGS AREA A6545S 02000W 4200S 02000W 4200S 03700W 6100S 03700W B6100S 03700W 5000S 03700W 5900S 05000W 6120S 05000W C6120S 05000W 5900S 05000W 6300S 06716W 6657S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-16

COASTAL AREAS:

SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 6/7 GUST WITH 8 INTENSITY INCR SW 8 WITH GUSTS BY 15/0900 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE WORSENING TOWARDS MORNING VIS POOR TO MODERATE

SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 8/9 WITH GUSTS BACK SW 7/6 WITH GUSTS BY 15/1500 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS W OF 60W: SECTOR W 5/7 BACK SW 6/5 BY 14/2100 PROB OF MIST PROB OFINTERMITTENT RAIN AND SNOW MIXTURE SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE

MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 8/9 WITH GUSTS BACK SW 7/6 WITH GUSTS BY 15/1500 PROB OF MIST PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE

GERLACHE STRAIT : SW 8/6 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 15/1200 PROB OF MIST PROB OFMOD SNOW FALL IMPR STARTING EARLY MORNING VIS POOR TO MODERATE OCNL GOOD

MARGARITA BAY : NE 3/4 VEER SECTOR E 4/3 BY 15/1200 PROB OF MIST VIS GOOD

EREBUS Y TERROR GULF : SW 5/6 WITH GUSTS INCR SW 7/8 WITH GUSTS BY 15/1500 VIS GOOD

OCEANIC AREAS:

NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 7/6 WITH GUSTS DECR SW 5/4 WITH GUSTS BY 15/0900 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE

NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 7/5 WITH GUSTS BACK SW 5/4 BY 15/1200 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS POOR TO MODERATE

SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SW 5/4 BACK SECTOR S 4 BY 15/1500 PROB OF FOG AND MIST IN PATCHES PROB OFMOD SNOW FALL IMPR TOWARDS NOON VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA N OF 64S: SECTOR W 5/6 WITH GUSTS INCR SECTOR W /7 GUST WITH 8 INTENSITY BY 15/0900 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS VERY POOR TO MODERATE OCNL GOOD

NORTHERN WEDDELL SEA REST OF THE AREA: NW 5/6 WITH GUSTS VEER SECTOR N 5 BY 15/0600 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EARLY MORNING VIS VERY POOR TO MODERATE

SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR E 7 GUST WITH 8 INTENSITY VEER SE 7/6 WITH GUSTS BY 15/0900 PROB OF MIST PROB OFINTERMITTENT SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS MODERATE TO POOR=


HIGH SEAS FORECAST NORTH 60S
WWST02 SABM 150000

1:31:06:01:00

SECURITE

WEATHER BULLETIN FOR SHIPPING - METAREA 6-

2026-05-15, 00:00 UTC.

NATIONAL WEATHER SERVICE

SEA ICE AND ICEBERGS ISSUED BY SHN

PRESSURE HPA

BEAUFORT SCALE WINDS.

PART 1 GALE WARNING:

WARNING 208: STRONG BARIC GRADIENT ON PROVOKES WINDS FORCE 8 FROM SECTOR W WITH

GUST IN FIN DEL MUNDO COASTS DRAKE AREA (55S- 60S AND 60W- 67W) UNTIL 15/0600

PART 2 GENERAL SYNOPSIS AT 21:00UTC

LOW 981HPA 51S 28W MOV E WKN EXP BY 16/0000 EXTENDS CFNT AT 46S 27W 40S 28W 35S

33W MOV E

HIGH 1020HPA 34S 58W MOV NE NC EXP BY 16/0000

CFNT AT 59S 35W 53S 42W 49S 51W MOV E

141400 UTC 1.SEA ICE LIMIT 6535S 02000W 6421S 02617W 6005S 03217W 6048S 03757W

6057S 04317W 6128S 04813W 6131S 05248W 6316S 05655W 6349S 06032W 6447S 06401W

6615S 06559W 6645S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5737S 03443W 16X7NM

3.ICEBERGS SMALLER THAN ICEBERG1 4938S 02708W 5X1NM ICEBERG2 4552S 02631W 4X2NM

4.ICEBERGS AREA A6545S 02000W 4200S 02000W 4200S 03700W 6100S 03700W B6100S

03700W 5000S 03700W 5900S 05000W 6120S 05000W C6120S 05000W 5900S 05000W 6300S

06716W 6657S 06716W

PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-16

COASTAL AREAS:

INNER RIO DE LA PLATA: VRB 3/4 INCR SECTOR N 5 BY 15/1200 LOW PROB OF COASTAL

MIST DURING THE EARLY MORNING DISSIPATING TOWARDS MORNING VIS GOOD OCNL

MODERATE

OUTER RIO DE LA PLATA: SECTOR W 3/4 VEER SECTOR N 5 WITH GUSTS BY 15/1800 LOW

PROB OF COASTAL MIST DURING THE EARLY MORNING DISSIPATING TOWARDS MORNING VIS

GOOD OCNL MODERATE

URUGUAY SOUTH EAST COASTS: SW 4 VEER W BY 15/0900 VEER N BY 15/2100 PROB OF

COASTAL MIST DURING THE EARLY MORNING DISSIPATING STARTING EARLY MORNING VIS

GOOD OCNL MODERATE

MAR DEL PLATA COASTS(3617S - 3830S): SECTOR W 4/5 WITH GUSTS VEER SECTOR N BY

15/2100 PROB OF RAIN ISOL SH SPELLS OF GOOD WEATHER VIS MODERATE OCNL GOOD

RINCON BAHIA BLANCA COASTS(3830S - 41S): VRB 3/4 INCR NW 5 WITH GUSTS BY

15/0600 BACK SECTOR S 6 WITH GUSTS BY 15/2300 PROB OF ISOL RAIN TOWARDS THE END

OF THE PERIOD VIS GOOD TO MODERATE

PENINSULA DE VALDES COASTS(41S - 45S): VRB 3/4 INCR SECTOR S 5/6 WITH GUSTS BY

15/0900 PROB OF RAIN ISOL SH STARTING EVENING VIS GOOD TO MODERATE

GOLFO DE SAN JORGE COASTS(45S - 48S): VRB 3/4 INCR SECTOR S 5/6 WITH GUSTS BY

15/1800 LOW PROB OF ISOL RAIN IMPR TOWARDS THE END OF THE PERIOD VIS MODERATE

SOUTH PATAGONIA COASTS(48S - 54S): SW 6/7 GUST WITH 8 INTENSITY PROB OF ISOL

RAIN IMPR TOWARDS THE END OF THE PERIOD VIS POOR OCNL VERY POOR

FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 8/7 GUST WITH 8 INTENSITY PROB OF

RAIN AND SNOW MIXTURE STARTING EARLY MORNING SPELLS OF GOOD WEATHER VIS VERY

POOR TO POOR

ISLAS MALVINAS COASTS: SW 5/6 GUST WITH 8 INTENSITY PROB OF ISOL RAIN NXT RAIN

AND SNOW MIXTURE TOWARDS THE END OF THE PERIOD VIS MODERATE OCNL POOR

OCEANIC AREAS:

NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR W 7/6 GUST WITH 8 INTENSITY

DECR VRB 4/3 BY 15/1200 PROB OF RAIN ISOL SH VIS POOR TO MODERATE

REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR W 6 WITH GUSTS PROB

OF RAIN ISOL SH VIS MODERATE OCNL POOR

W OF 30 - N OF 45S: SECTOR W 6 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE

REST OF THE AREA: W 6 WITH GUSTS VEER NW 7 GUST WITH 8 INTENSITY BY 15/1500

PROB OF ISOL RAIN VIS MODERATE TO POOR OCNL VERY POOR

CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 6 WITH GUSTS PROB

OF ISOL RAIN VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 6 WITH GUSTS BACK SECTOR S BY 15/2100 PROB OF ISOL

RAIN VIS MODERATE OCNL POOR

SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6/5 WITH GUSTS PROB

OF ISOL RAIN VIS MODERATE

REST OF THE AREA: SECTOR W 6/7 GUST WITH 8 INTENSITY PROB OF SNOW FALL VIS POOR

OCNL VERY POOR

SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50 - N OF 55S: SECTOR W 6 WITH

GUSTS PROB OF ISOL RAIN VIS MODERATE

W OF 50 - N OF 55S: SECTOR W 5/6 WITH GUSTS TEMPO BACK SW BY 15/1500 PROB OF

RAIN AND SNOW MIXTURE VIS MODERATE OCNL POOR

REST OF THE AREA: SECTOR W 7 GUST WITH 8 INTENSITY PROB OF SNOW FALL VIS POOR

OCNL VERY POOR

DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 8/7 WITH GUSTS PROB OF RAIN AND

SNOW MIXTURE VIS VERY POOR TO POOR

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