WWST02 SABM 200000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-05-20, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 222: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR W
WITH GUST BETWEEN 35S-40S AND 30W-50W UNTIL 20/1800
WARNING 221: STRONG BARIC GRADIENT ON MOV E PROVOKES WINDS FORCE 8 FROM SECTOR S
BETWEEN 40S-60S AND 40W-50W
WARNING 220: LOW 954HPA AT 59S 27W MOV E DEEPENING PROVOKES WINDS FORCE 8 FROM
SECTOR N WITH GUST BETWEEN 35S-60S AND 20W-30W


PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 954HPA 59S 27W MOV SE DPN EXTENDS CFNT AT 59S 27W 43S 29W 36S 50W MOV E
191400 UTC 1.SEA ICE LIMIT 6527S 02000W 6354S 02618W 6010S 03217W 6027S 03757W
6011S 04317W 6025S 04813W 6105S 05248W 6214S 05654W 6334S 06033W 6412S 06336W
6530S 06559W 6612S 06716W 2.ICEBERGS GREATER THAN 10NM A76C 5802S 03330W 16X7NM
3.ICEBERGS SMALLER THAN ICEBERG1 4915S 02546W 5X1NM 4.ICEBERGS AREA A6536S
02000W 4555S 02000W 4400S 03000W 6029S 03000W B6029S 03000W 4400S 03000W 5900S
04800W 6128S 04800W C6128S 04800W 5900S 04800W 6300S 06716W 6700S 06716W


PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-05-21
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR S 4/5 WITH GUSTS VIS GOOD
OUTER RIO DE LA PLATA: SECTOR S 5 WITH GUSTS LOW PROB OF ISOL RAIN VIS GOOD OCNL
MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR S 5/6 WITH GUSTS LOW PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
MAR DEL PLATA COASTS(36�17S - 38�30S): SECTOR S 5/6 WITH GUSTS LOW PROB OF ISOL
RAIN VIS GOOD OCNL MODERATE
RINCON BAHIA BLANCA COASTS(38�30S - 41�S): SECTOR S 5/6 WITH GUSTS DECR 4 BY
20/2100 LOW PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
PENINSULA DE VALDES COASTS(41�S - 45�S): SECTOR S 6/5 WITH GUSTS DECR 4 BY
20/1800 VIS MODERATE TO GOOD
GOLFO DE SAN JORGE COASTS(45�S - 48�S): SECTOR S 5 WITH GUSTS VEER SECTOR S 4 BY
20/1200 VIS GOOD
SOUTH PATAGONIA COASTS(48�S - 54�S): SECTOR W 5/4 WITH GUSTS VIS GOOD
FIN DEL MUNDO COASTS(54�S - 55�S): SW 5/6 WITH GUSTS LOW PROB OF RAIN AND SNOW
MIXTURE VIS MODERATE
ISLAS MALVINAS COASTS: SW 6/5 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
MODERATE

OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: SECTOR N 8 WITH GUSTS PROB OF RAIN
VIS VERY POOR TO POOR
 W OF 50W: SW 7 GUST WITH 8 INTENSITY DECR 6 WITH GUSTS BY 20/1800 PROB OF RAIN
VIS POOR
 REST OF THE AREA: SECTOR W 8 WITH GUSTS DECR 6 WITH GUSTS BY 20/1800 PROB OF
RAIN VIS VERY POOR TO POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W: SECTOR N 8 WITH GUSTS DECR 6
WITH GUSTS BY 20/1800 PROB OF RAIN VIS VERY POOR
 N OF 45 - W OF 30W: SECTOR W 7 GUST WITH 8 INTENSITY DECR 6 WITH GUSTS BY
20/1800 PROB OF RAIN AND SNOW MIXTURE VIS POOR
 REST OF THE AREA: SECTOR W 7/6 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS
POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 8 WITH GUSTS PROB
OF RAIN AND SNOW MIXTURE VIS VERY POOR TO MODERATE
 REST OF THE AREA: SECTOR S 7 GUST WITH 8 INTENSITY DECR 6/5 WITH GUSTS BY
20/2100 PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS EVENING VIS POOR TO
MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR N 8 BACK SECTOR W 6/5
BY 20/1200 PROB OF RAIN AND SNOW MIXTURE VIS POOR
 REST OF THE AREA: SW 6 WITH GUSTS PROB OF RAIN AND SNOW MIXTURE VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SECTOR W 8 DECR 7 WITH GUSTS
BY 20/1800 PROB OF RAIN AND SNOW MIXTURE VIS POOR TO MODERATE
 REST OF THE AREA: SECTOR S 7 GUST WITH 8 INTENSITY DECR 6/5 BY 20/1200 PROB OF
RAIN AND SNOW MIXTURE VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/6 WITH GUSTS PROB OF RAIN AND
SNOW MIXTURE VIS MODERATE
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