1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-03-8, 00:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1 GALE WARNING:
WARNING 98: CYCLOGENESIS EXPECTED 56S 34W BY 08/1200 WILL PROVOKE WINDS FORCE 8
FROM SW WITH GUST BETWEEN 40S-50S 30W-50W FROM 08/1500
WARNING 97: CYCLOGENESIS EXPECTED 56S 34W BY 08/1200 WILL PROVOKE WINDS FORCE 8
FROM SECTOR S WITH GUST BETWEEN 50S-60S AND 50W-30W FROM 08/0000
PART 2 GENERAL SYNOPSIS AT 21:00UTC
SEA ICE AND ICEBERGS REPORT 071400 UTC
1.SEA ICE LIMIT
7244S 02000W 7204S 02813W 6128S 03315W 6122S 03708W 6131S 04044W 6115S 04507W
6114S 04616W 6218S 04726W 6314S 05716W 6438S 06242W 6640S 06716W
2.ICEBERGS GREATER THAN 10NM
A23K 5103S 03516W 10X7NM
A76C 5911S 03707W 16X7NM
3.ICEBERGS SMALLER THAN 10NM
A23A 4847S 03340W 9X7NM
B15AB 5320S 03345W 7X2NM
ICEBERG1 5754S 03536W 3X2NM
ICEBERG2 5137S 04023W 2X1NM
ICEBERG3 5917S 04920W 3X2NM
ICEBERG4 5116S 03814W 3X1NM
ICEBERG5 4837S 03401W 3X2NM
ICEBERG6 4822S 03401W 3X2NM
4.ICEBERGS AREA
A 7303S 02000W 4600S 02000W 4400S 03000W 4500S 04300W 6200S 04300W
B 6200S 04300W 5700S 04300W 5800S 05500W 6100S 05700W 6500S 05700W
C 6500S 05700W 6100S 05700W 6100S 06200W 6500S 06716W 6644S 06716W
HIGH 1018HPA 57S 58W MOV NE NC
LOW 1002HPA 46S 33W MOV SE WKN EXTENDS CFNT AT 45S 33W 42S 38W 41S 55W MOV NE
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-9
COASTAL AREAS:
INNER RIO DE LA PLATA: SECTOR E 5 WITH GUSTS INCR 6 WITH GUSTS BY 8/2100 VIS
GOOD TO MODERATE
OUTER RIO DE LA PLATA: SECTOR E 5/6 WITH GUSTS INCR 6/7 GUST WITH 8 INTENSITY BY
8/1800 VIS MODERATE OCNL POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 5/6 WITH GUSTS VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): NE 5/6 INCR 6/7 GUST WITH 8 INTENSITY BY
8/1800 VIS GOOD TO MODERATE
RINCON BAHIA BLANCA COASTS(3830S - 41S): NE 5/6 WITH GUSTS INCR 6/7 GUST WITH
8 INTENSITY BY 8/1800 VIS GOOD TO MODERATE
PENINSULA DE VALDES COASTS(41S - 45S): NE 6/7 GUST WITH 8 INTENSITY PROB OF
HVY STORMS VIS MODERATE TO POOR
GOLFO DE SAN JORGE COASTS(45S - 48S): NE 6/7 GUST WITH 8 INTENSITY PROB OF
ISOL RAIN STORMS VIS MODERATE TO POOR
SOUTH PATAGONIA COASTS(48S - 54S): NE 5/6 WITH GUSTS PROB OF SH RAIN VIS
MODERATE
FIN DEL MUNDO COASTS(54S - 55S): SECTOR N 5/6 WITH GUSTS PROB OF ISOL RAIN
STARTING EVENING VIS MODERATE TO POOR
ISLAS MALVINAS COASTS: SECTOR E 4/3 BACK VRB 3/4 BY 8/0600 BACK NW 4 BY 8/2100
VIS GOOD TO MODERATE
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 4/5 WITH GUSTS PROB OF ISOL RAIN
STORMS VIS GOOD TO MODERATE
E OF 30 - W OF 40W: SECTOR W 4/5 WITH GUSTS BACK SW 5/6 WITH GUSTS BY 8/1200
PROB OF RAIN STORMS VIS MODERATE TO POOR
E OF 40 - W OF 50W: SW 4 WITH GUSTS BACK SECTOR S 5/6 WITH GUSTS BY 8/0600 PROB
OF SH RAIN IMPR TOWARDS EVENING VIS MODERATE TO GOOD
REST OF THE AREA: SE 4/5 WITH GUSTS VIS GOOD
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) E OF 30 - N OF 45S: NW 5 WITH GUSTS
BACK SECTOR W 6/7 GUST WITH 8 INTENSITY BY 8/2100 PROB OF RAIN STORMS VIS
MODERATE TO POOR
E OF 30 - S OF 45S: SECTOR W 5 WITH GUSTS VEER SECTOR N 5/6 WITH GUSTS BY
8/1800 PROB OF RAIN STORMS VIS MODERATE TO POOR
W OF 30 - S OF 45S: SW 4/5 WITH GUSTS INCR 7/8 WITH GUSTS BY 8/1500 BACK SECTOR
S 8 WITH GUSTS BY 8/2100 PROB OF RAIN STORMS VIS GOOD TO POOR
REST OF THE AREA: SECTOR W 5 WITH GUSTS BACK SW 6/7 GUST WITH 8 INTENSITY BY
8/1200 INCR 7/8 WITH GUSTS BY 8/1800 PROB OF RAIN STORMS VIS GOOD TO POOR
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) E OF 50W: SECTOR S 5/6 WITH GUSTS VEER
SW 7/8 WITH GUSTS BY 8/1500 BACK SECTOR S 8 WITH GUSTS BY 8/2100 PROB OF RAIN
STORMS VIS MODERATE TO POOR
REST OF THE AREA: SE 5/4 WITH GUSTS BACK NE 4 WITH GUSTS BY 8/0900 INCR 5 WITH
GUSTS BY 8/1800 VIS GOOD
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SW 6/5 WITH GUSTS VEER SECTOR
N 5/4 WITH GUSTS BY 8/0900 BACK SE 6/7 GUST WITH 8 INTENSITY BY 8/1800 PROB OF
ISOL RAIN STORMS VIS MODERATE TO POOR
REST OF THE AREA: SW 6/7 GUST WITH 8 INTENSITY BACK SECTOR S 7/8 WITH GUSTS BY
8/0300 PROB OF RAIN STORMS VIS VERY POOR TO POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W) E OF 50W: SE 7/8 WITH GUSTS BACK SECTOR
S 8 WITH GUSTS BY 8/0900 PROB OF SH RAIN IMPR TOWARDS THE END OF THE PERIOD VIS
VERY POOR TO POOR
W OF 50 - N OF 55S: SECTOR S 4 WITH GUSTS BACK SW WITH GUSTS BY 8/0300 INCR 6/5
WITH GUSTS BY 8/1200 VIS GOOD OCNL MODERATE
REST OF THE AREA: VRB 3/4 BACK SW 4/5 WITH GUSTS BY 8/0600 VEER NW 4 WITH GUSTS
BY 8/2100 VIS GOOD
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR N 6/5 WITH GUSTS DECR 4 WITH GUSTS BY
8/2100 VIS GOOD
-----------------------------------------------------------------
NNNN=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
00:00 UTC 08, MARCH 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
299/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA SOUTHERN WEDDELL SEA MOV S WEAKENING PROVOKES WINDS FORCE 8 FROM SECTOR N WITH GUST IN 65S-72S 80W-70W UNTIL 08/1200
300/2026 STRONG BARIC GRADIENT NORTHERN WEDDELL SEA MOV N WEAKENING PROVOKES WINDS FORCE 8 FROM SW WITH GUST IN 60S-70S 50W-40W UNTIL 08/1200
PART 2 GENERAL SYNOPSIS AT 21:00UTC
RIDGE 61S 62W 63S 64W 66S 67W MOV E NC
RIDGE 66S 55W 69S 51W 71S 49W MOV E WKN
TROUGH 61S 45W 61S 38W 62S 32W MOV NE DPN
071400 UTC 1.SEA ICE LIMIT 7244S 02000W 7204S 02813W 6128S 03315W 6122S 03708W 6131S 04044W 6115S 04507W 6114S 04616W 6218S 04726W 6314S 05716W 6438S 06242W 6640S 06716W 2.ICEBERGS GREATER THAN 10NM A23K 5103S 03516W 10X7NM A76C 5911S 03707W 16X7NM 3.ICEBERGS SMALLER THAN 10NM A23A 4847S 03340W 9X7NM B15AB 5320S 03345W 7X2NM ICEBERG1 5754S 03536W 3X2NM ICEBERG2 5137S 04023W 2X1NM ICEBERG3 5917S 04920W 3X2NM ICEBERG4 5116S 03814W 3X1NM ICEBERG5 4837S 03401W 3X2NM ICEBERG6 4822S 03401W 3X2NM 4.ICEBERGS AREA A 7303S 02000W 4600S 02000W 4400S 03000W 4500S 04300W 6200S 04300W B 6200S 04300W 5700S 04300W 5800S 05500W 6100S 05700W 6500S 05700W C 6500S 05700W 6100S 05700W 6100S 06200W 6500S 06716W 6644S 06716W
PART 3 FORECAST ISSUED 00:00 UTC VALID UNTIL 00:00 UTC 2026-03-9
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: NW 3/4 VEER SECTOR N 5 BY 8/1200 AFTERWARDS NW 5 BY 8/2100 VIS GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR W 5/6 WITH GUSTS BACK SW 6 WITH GUSTS BY 8/1200 AFTERWARDS SECTOR W 5 BY 8/2100 VIS GOOD
MAR DE LA FLOTA COASTS W OF 60W: SECTOR N 3 INCR NW 4/5 BY 8/0900 AFTERWARDS SECTOR N 6 WITH GUSTS BY 8/1800 VIS GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR W 6/7 WITH GUSTS BACK SW 6 WITH GUSTS BY 8/1200 AFTERWARDS NW 6 WITH GUSTS BY 8/2100 VIS GOOD
GERLACHE STRAIT : SECTOR N 3 INCR NE 4/5 BY 8/2100 PROB OF ISOL RAIN WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
MARGARITA BAY : NE 4 INCR SECTOR N 5 BY 8/0900 AFTERWARDS NE 5 BY 8/2100 PROB OF ISOL RAIN AND SNOW MIXTURE PROB OFCOASTAL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS GOOD TO MODERATE
EREBUS Y TERROR GULF : SECTOR W 3/4 DECR NW 3 BY 8/1200 AFTERWARDS SECTOR N 4 BY 8/2100 VIS GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80 - S OF 65S: SECTOR N 8 WITH GUSTS DECR SECTOR N 6 WITH GUSTS BY 8/1200 AFTERWARDS NE 4 BY 8/2100 PROB OF ISOL RAIN IMPR GRADUALLY TOWARDS THE END OF THE PERIOD VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR N 6/7 WITH GUSTS DECR SECTOR N 5 BY 8/1200 AFTERWARDS SECTOR N 4 BY 8/2100 PROB OF ISOL RAIN IMPR STARTING NOON VIS MODERATE TO GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): SECTOR N 8 WITH GUSTS DECR SECTOR N 5/6 BY 8/1200 AFTERWARDS NE 4 BY 8/2100 PROB OF INTERMITTENT SNOW FALL IMPR GRADUALLY STARTING NOON VIS MODERATE TO GOOD
NORTHERN WEDDELL SEA (60-68S 20-50W): SECTOR S 8 WITH GUSTS DECR SECTOR S 4/5 BY 8/1200 AFTERWARDS SECTOR W 5 BY 8/2100 PROB OF MIST PROB OFSCT RAIN AND SNOW MIXTURE IMPR STARTING NOON VIS MODERATE TO GOOD OCNL POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SECTOR S 7 DECR SW 5 BY 8/1200 AFTERWARDS SECTOR W 4 BY 8/2100 PROB OF SCT SNOW FALL WORSENING STARTING NOON VIS GOOD TO MODERATE=