241
WWST02 SABM 290000
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2025-12-29, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 511: STRONG BARIC GRADIENT ON MOV E WILL PROVOKE WINDS FORCE 8 FROM
SECTOR W WITH GUST BETWEEN 40S-50S AND 40W-50W FROM 29/0600 UNTIL 29/1800
WARNING 513: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 BETWEEN 40S-45S
20W-30W FROM 29/1800
WARNING 512: STRONG BARIC GRADIENT ON WILL PROVOKE WINDS FORCE 8 FROM SECTOR W
BETWEEN 40S-50S 30W-40W FROM 29/0900
PART 2 GENERAL SYNOPSIS AT 21:00UTC
LOW 969HPA 52S 30W MOV SE DPN EXTENDS CFNT AT 52S 30W 41S 42W 37S 56W MOV E
LOW 966HPA 54S 44W MOV E DPN EXTENDS OFNT AT 54S 37W 53S 37W 49S 45W
CFNT AT 44S 20W 40S 25W 37S 33W
HIGH 1011HPA 41S 61W MOV NE NC EXP 37S 53W BY 29/1800
HIGH 1011HPA 35S 52W MOV NE WKN
281400 UTC 1.SEA ICE LIMIT 6133S 02000W 6054S 02325W 6114S 03114W 5916S 03443W
6107S 04321W 6220S 04748W 6054S 05120W 6224S 05801W 6342S 05951W 6348S 06017W
6444S 06422W 6637S 06717W 2.ICEBERGS GREATER THAN 10MN A23A 5302S 04019W 32X24NM
A74A 5845S 02157W 27X13NM A77 5031S 03701W 27X4NM A76C 6001S 03712W 16X7NM B15AB
5806S 04135W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5150S 04338W 9X2NM
ICEBERG2 5322S 03916W 7X3NM ICEBERG3 5153S 04042W 2X2NM ICEBERG4 5233S 03708W
3X1NM ICEBERG5 5316S 04006W 4X1NM ICEBERG6 5222S 04013W 2X1NM ICEBERG7 5351S
04121W 4X1NM ICEBERG8 4940S 03844W 5X4NM ICEBERG9 5020S 03352W 4X2NM ICEBERG10
5312S 03928W 4X2NM ICEBERG11 4958S 02947W 2X1NM ICEBERG12 5310S 03959W 4X2NM
ICEBERG13 5251S 04024W 4X1NM ICEBERG14 5252S 03937W 3X2NM ICEBERG15 5254S 03920W
2X1NM ICEBERG16 5128S 04106W 9X3NM ICEBERG17 5256S 03923W 2X1NM ICEBERG18 5237S
04041W 2X1NM ICEBERG19 5042S 03803W 4X1NM ICEBERG20 5300S 03928W 2X1NM ICEBERG21
6048S 04529W 3X3NM ICEBERG22 6140S 04650W 4X3NM ICEBERG23 6054S 05223W 7X2NM
ICEBERG24 4938S 03909W 2X1NM ICEBERG25 4942S 03722W 3X1NM ICEBERG26 4944S 03903W
3X1NM ICEBERG27 5044S 03659W 4X1NM ICEBERG28 5029S 03624W 3X1NM ICEBERG29 5302S
03923W 2X1NM ICEBERG30 5744S 04007W 4X1NM 4.ICEBERGS AREA A 6200S 02000W 4510S
02000W 4500S 04010W 6127S 04000W B 6127S 04000W 4815S 04000W 5357S 05020W 6238S
04710W C 6238S 06710W 5658S 04919W 6248S 06716W 6818S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2025-12-30
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR N 4/3 BACK W BY 29/0600 AFTERWARDS SECTOR E 4 BY
29/1500 VIS GOOD
OUTER RIO DE LA PLATA: SECTOR N 5/4 WITH GUSTS BACK SECTOR S 4 BY 29/1200
AFTERWARDS SECTOR E 4 BY 29/2100 VIS GOOD
URUGUAY SOUTH EAST COASTS: SECTOR N 5/4 WITH GUSTS BACK SECTOR S 4 BY 29/1200
AFTERWARDS SECTOR E 4 BY 29/2100 VIS GOOD
MAR DEL PLATA COASTS(36º17S - 38º30S): SECTOR S 4 BACK SECTOR N 4/5 BY 29/1800
LOW PROB OF RAIN IMPR DURING THE MORNING VIS GOOD
RINCON BAHIA BLANCA COASTS(38º30S - 41ºS): SECTOR S 5 BACK SECTOR N 5/4 BY
29/0600 VIS GOOD
PENINSULA DE VALDES COASTS(41ºS - 45ºS): SECTOR N 4/5 BACK VRB 4/3 BY 29/2100
VIS GOOD
GOLFO DE SAN JORGE COASTS(45ºS - 48ºS): SECTOR N 5/4 BACK SECTOR W 4 BY 29/1500
VIS GOOD
SOUTH PATAGONIA COASTS(48ºS - 54ºS): SECTOR N 5 PROB OF RAIN VIS GOOD TO
MODERATE
FIN DEL MUNDO COASTS(54ºS - 55ºS): SECTOR N 5 PROB OF RAIN VIS MODERATE
ISLAS MALVINAS COASTS: SECTOR S 6/5 WITH GUSTS BACK SECTOR N 5 BY 29/1500 PROB
OF RAIN STARTING EARLY MORNING IMPR TOWARDS EVENING VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 35W: NW 6/5 WITH GUSTS BACK SECTOR W 6
WITH GUSTS BY 29/1200 PROB OF RAIN ISOL STORMS VIS MODERATE OCNL POOR
W OF 45W: SECTOR W 5 BACK SECTOR S 5 BY 29/0900 VIS GOOD
REST OF THE AREA: SECTOR W 6/7 WITH GUSTS PROB OF ISOL RAIN VIS MODERATE OCNL
POOR
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) W OF 30W: W 7 WITH GUSTS INCR SECTOR W
8 BY 29/0900 PROB OF SH RAIN VIS VERY POOR TO POOR
E OF 30 - N OF 45S: NW 6/7 WITH GUSTS INCR 8 WITH GUSTS BY 29/1800 PROB OF SH
RAIN VIS VERY POOR TO POOR
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS PROB OF SH RAIN VIS POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR W 8 WITH GUSTS DECR
7/6 BY 29/1800 PROB OF RAIN VIS POOR
REST OF THE AREA: SW 6/5 WITH GUSTS DECR VRB 4 BY 29/2100 LOW PROB OF RAIN
DURING THE EVENING VIS GOOD TO MODERATE
SOUTH EAST AREA (50S- 60S AND 20W- 40W) N OF 55S: SECTOR W 6/5 WITH GUSTS BACK
SECTOR S 5/6 BY 29/1500 PROB OF RAIN AND SNOW MIXTURE VIS POOR OCNL MODERATE
REST OF THE AREA: SECTOR S 6 LOW PROB OF RAIN AND SNOW MIXTURE VIS MODERATE
OCNL POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) N OF 55S: SECTOR S 7/6 GUST WITH 8
INTENSITY DECR 5 BY 29/1800 LOW PROB OF RAIN AND SNOW MIXTURE IMPR TOWARDS
MORNING VIS MODERATE TO GOOD
REST OF THE AREA: SECTOR S 6/5 VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 5 PROB OF RAIN VIS POOR
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