WWST02 SABM 191200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC  19, MAY 2026.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 220: LOW 951HPA AT 53S 30W MOV E DEEPENING PROVOKES WINDS FORCE 9 FROM
SECTOR N WITH GUST IN CENTRAL EAST AREA (40S- 50S AND 20W- 40W) SOUTH EAST AREA
(50S- 60S AND 20W- 40W)

WARNING 221: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S
WITH GUST IN ISLAS MALVINAS COASTS CENTRAL WEST AREA (40S- 50S AND 40W- 60W)
SOUTH WEST AREA (50S- 60S AND 40W- 60W)

WARNING 222: STRONG BARIC GRADIENT MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 35S-40S 25W-50W


PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 951HPA 50S 30W MOV E DPN EXTENDS CFNT53S 30W 42S 39W 38S 57W MOV E ASOCIATED
WITH OFNT AT 53S 30W 58S 35W 52S 35W
STRONG BARIC GRADIENT 35S 40W 60S 60W MOV E
181400 UTC 1.SEA ICE LIMIT 6517S 02000W 6402S 02618W 5933S 03217W 6039S 03758W
6017S 04317W 6105S 04814W 6131S 05247W 6316S 05655W 6342S 06032W 6412S 06337W
6529S 06558W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5802S 03330W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4937S 02654W 5X1NM 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 12:00 UTC VALID UNTIL 12:00 UTC 2026-05-20
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR W 3/4 BACK SECTOR S BY 20/0900 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR W 3/4 BACK SECTOR S BY 20/0900 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR W 3/4 BACK SECTOR S BY 20/0900 VIS GOOD
MAR DEL PLATA COASTS(36�17S - 38�30S): SECTOR W 6/5 WITH GUSTS BACK SECTOR S BY
20/0300 WORSENING STARTING THE END OF THE PERIOD VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SECTOR S 4/5 WITH GUSTS VIS GOOD OCNL
MODERATE
PENINSULA DE VALDES COASTS(41�S - 45�S): SECTOR S 5 WITH GUSTS VIS GOOD OCNL
MODERATE
GOLFO DE SAN JORGE COASTS(45�S - 48�S): SECTOR S 6/4 WITH GUSTS VIS GOOD OCNL
MODERATE
SOUTH PATAGONIA COASTS(48�S - 54�S): SECTOR S 6/5 WITH GUSTS WORSENING WITH LOW
PROBABILITY OF ISOL RAIN VIS MODERATE
FIN DEL MUNDO COASTS(54�S - 55�S): SECTOR S 6/5 WITH GUSTS PROB OF RAIN AND SNOW
MIXTURE VIS MODERATE OCNL POOR
ISLAS MALVINAS COASTS: SECTOR S 8 WITH GUSTS DECR 5 BY 20/0000 PROB OF ISOL RAIN
AND SNOW MIXTURE VIS POOR TO MODERATE

OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) W OF 50W: SECTOR W 6 WITH GUSTS SH STARTING
EVENING VIS MODERATE
NORTH AREA (35S- 40S AND 20W- 55W) W OF 25 - E OF 50W: SECTOR W 8 WITH GUSTS
RAIN STORMS VIS VERY POOR
NORTH AREA (35S- 40S AND 20W- 55W) REST OF THE AREA: SECTOR W 5 WITH GUSTS VEER
SECTOR N BY 20/0000 LOW PROB OF RAIN STARTING NIGTH VIS MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W): SECTOR N 9 WITH GUSTS BACK SECTOR W
BY 20/0600 SH RAIN VIS VERY POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W): SECTOR S 8 WITH GUSTS RAIN AND SNOW
MIXTURE VIS VERY POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W): SECTOR N 9 WITH GUSTS BACK SECTOR W BY
19/1800 DECR 6 BY 20/1200 RAIN AND SNOW MIXTURE VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR S 8 WITH GUSTS PROB OF RAIN AND
SNOW MIXTURE VIS VERY POOR
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR S 6/5 VEER SECTOR W BY 20/0600 PROB
OF RAIN STARTING EVENING VIS MODERATE
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