432
WWST02 SABM 271200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-27, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 129: STRONG BARIC GRADIENT WILL PROVOKE WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 50S-55S 20W-40W FROM 28/0900
WARNING 126: STRONG BARIC GRADIENT PROVOKES WINDS FORCE 8 FROM SECTOR W WITH
GUST BETWEEN 55S-60S AND 20W-30W UNTIL 27/2100
PART 2 GENERAL SYNOPSIS AT 09:00UTC
HIGH 1023HPA 38S 42W MOV E INTSF EXP 38S 32W BY 28/1200
CFNT AT 59S 63W 55S 60W 52S 65W MOV E
271400 UTC 1.SEA ICE LIMIT 7052S 02000W 6617S 03023W 6130S 03147W 6244S 03258W
6135S 04305W 6245S 05035W 6257S 05513W 6434S 05528W 6408S 06334W 6525S 06541W
6558S 06643W 6610S 06717W 2.ICEBERGS GREATER THAN 10NM A76C 5908S 03637W 16X7NM
3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5145S 03245W 5X2NM ICEBERG2 4825S 03138W
3X1NM ICEBERG3 4818S 03001W 4X1NM ICEBERG4 4826S 03011W 3X2NM ICEBERG5 4803S
02942W 2X2NM ICEBERG6 4831S 03031W 9X7NM ICEBERG7 5009S 03425W 9X7NM ICEBERG8
4951S 03004W 3X1NM 4.ICEBERGS AREA A 6500S 02000W 4600S 02000W 4600S 03700W
6135S 03700W B 6135S 03700W 4600S 03700W 5700S 05000W 6230S 05000W C 6230S
05000W 5700S 05000W 6500S 06716W 6700S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-03-28
COASTAL AREAS:
INNER RIO DE LA PLATA: NE 3 VEER SECTOR S BACK SECTOR E 4/3 FOG AND MIST IN
PATCHES DISSIPATING PROB OF RAIN STORMS STARTING NIGTH VIS MODERATE
OUTER RIO DE LA PLATA: NE 4/3 VEER E 3 FOG AND MIST IN PATCHES DISSIPATING PROB
OF RAIN STORMS STARTING NIGTH VIS MODERATE
URUGUAY SOUTH EAST COASTS: SECTOR E 3 TEMPO BACK SECTOR N FOG AND MIST IN
PATCHES DISSIPATING PROB OFISOL RAIN STORMS STARTING EVENING VIS MODERATE
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR N 3/4 DECR 3 FOG AND MIST IN
PATCHES DISSIPATING VIS MODERATE TO GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR N 3/5 WITH GUSTS DECR 4 VIS
GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41ºS - 45ºS): NW 4/3 VEER NE 4 BACK N 4/5 WITH GUSTS
PROB OF ISOL SH RAIN STARTING NIGTH VIS GOOD TO MODERATE
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR W 5 WITH GUSTS VEER SECTOR N WITH
GUSTS VIS GOOD OCNL MODERATE
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SECTOR W 5/4 VEER SECTOR N 4/5 WITH GUSTS
VIS GOOD OCNL MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR W 4 VEER SECTOR N 4/5 WITH GUSTS PROB
OF ISOL RAIN STARTING EVENING VIS GOOD OCNL MODERATE
ISLAS MALVINAS COASTS: NW 5/4 VEER N 4/5 WITH GUSTS VIS GOOD
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: SECTOR S 4/5 WITH GUSTS DECR 4/3
PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
E OF 45W: SECTOR S 3 VEER SECTOR N 3/4 PROB OF RAIN STORMS TOWARDS THE END OF
THE PERIOD VIS GOOD TO MODERATE
REST OF THE AREA: SECTOR N 3 PROB OF RAIN STORMS SPELLS OF GOOD WEATHER VIS
GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30W - N OF 45S: SECTOR S 5/4 VEER
SECTOR W 3/4 PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
W OF 30W - N OF 45S: SECTOR W 4/3 VEER NW 3/5 WITH GUSTS PROB OF ISOL RAIN VIS
GOOD OCNL MODERATE
REST OF THE AREA: SECTOR W 5/6 WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD
WEATHER VIS MODERATE
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 4/5 WITH GUSTS VEER
SECTOR N WITH GUSTS PROB OF ISOL SH RAIN SPELLS OF GOOD WEATHER VIS GOOD OCNL
MODERATE
REST OF THE AREA: SECTOR N 5 WITH GUSTS TEMPO BACK SECTOR W 4/3 PROB OF ISOL
RAIN SPELLS OF GOOD WEATHER VIS MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6 WITH GUSTS INCR 8
BY 28/0900 PROB OF RAIN SPELLS OF GOOD WEATHER VIS MODERATE TO POOR OCNL VERY
POOR
E OF 30W - S OF 55S: SECTOR W 8 WITH GUSTS DECR 6/5 BY 27/2100 PROB OF RAIN AND
SNOW MIXTURE VIS POOR OCNL VERY POOR
REST OF THE AREA: SECTOR W 6/5 WITH GUSTS PROB OF ISOL RAIN AND SNOW MIXTURE
VIS MODERATE OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/5 WITH GUSTS VEER SECTOR N
4/5 PROB OF ISOL RAIN SPELLS OF GOOD WEATHER VIS MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 6/4 WITH GUSTS VEER SECTOR N 3/5
WITH GUSTS PROB OF ISOL RAIN STARTING EARLY MORNING VIS MODERATE
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