1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 04, FEBRUARY 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 STORM WARNING:
116/2026 STRONG BARIC GRADIENT NORTHER BELLINGSHAUSEN SEA SOUTHERN BELLINGSHAUSEN SEA MOV NE WEAKENING PROVOKES WINDS FORCE 10 FROM SW WITH GUST IN 60S-70S 90W-70W UNTIL 05/0600
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 980HPA 69S 78W MOV NE WKN
RIDGE 60S 70W 62S 67W 64S 65W MOV E WKN
LOW 975HPA 64S 42W MOV NE DPN
031400 UTC 1.SEA ICE LIMIT 7250S 02032W 7119S 02426W 6646S 03018W 6100S 03424W 6118S 03837W 6121S 04341W 6041S 04601W 6027S 04831W 6125S 05006W 6208S 05122W 6337S 05553W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5014S 03959W 26X22NM A23J 5203S 04111W 11X8NM A77 5049S 02551W 27X4NM A76C 5939S 03754W 16X7NM B15AB 5618S 03355W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5230S 03936W 6X2NM ICEBERG2 5208S 04057W 2X1NM ICEBERG3 5211S 04101W 5X1NM ICEBERG4 5906S 03528W 5X2NM ICEBERG5 5209S 04104W 5X2NM ICEBERG6 5152S 04102W 8X3NM ICEBERG7 4855S 04029W 4X1NM ICEBERG8 4939S 03703W 3X1NM ICEBERG9 5145S 04036W 6X1NM ICEBERG10 6017S 05042W 5X4NM 4.ICEBERGS AREA A 6000S 02000W 4450S 02000W 4500S 03500W 6000S 03520W B 6000S 03520W 4740S 03448W 4815S 04215W 6040S 04800W C 7040S 02000W 6020S 02000W 6000S 03520W 7100S 02640W D 6040S 04800W 5550S 04500W 6320S 06716W 6650S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-02-5
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SECTOR W 5/6 BACK SW 6/5 BY 04/2100 PROB OF MIST PROB OFISOL RAIN WORSENING STARTING EVENING VIS MODERATE TO POOR OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SW 4/5 BACK NE 3/4 BY 5/0300 AFTERWARDS NE 5 BY 5/0900 PROB OF FOG PROB OFISOL RAIN WORSENING STARTING EARLY MORNING VIS MODERATE TO VERY POOR
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 VEER SECTOR W 4/5 BY 5/0600 PROB OF MIST PROB OFISOL RAIN WORSENING DURING THE EVENING VIS MODERATE TO POOR OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 3/4 BACK NE 4/5 BY 5/0300 AFTERWARDS SECTOR W 5 BY 5/0900 PROB OF MIST DISSIPATING TOWARDS NOON VIS MODERATE TO GOOD OCNL POOR
GERLACHE STRAIT : NW 3/4 INCR NW 4/5 BY 04/2100 AFTERWARDS SW 3 BY 5/0600 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL IMPR DURING THE MORNING VIS MODERATE TO VERY POOR OCNL GOOD
MARGARITA BAY : SECTOR W 3 BACK SECTOR S 3 BY 04/2100 AFTERWARDS NE 3 BY 5/0600 PROB OF MIST FOG PATCHES PROB OFISOL SNOW FALL WORSENING TOWARDS THE END OF THE PERIOD VIS MODERATE TO VERY POOR OCNL GOOD
EREBUS Y TERROR GULF : SECTOR S 4/5 VEER NE 4/5 BY 5/0600 PROB OF MIST FOG PATCHES DISSIPATING DURING THE MORNING VIS VERY POOR TO MODERATE OCNL GOOD
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA W OF 80W: SW 7/8 WITH GUSTS DECR SW 6/5 BY 5/0300 AFTERWARDS SECTOR W 4 BY 5/0900 PROB OF MIST PROB OFISOL RAIN IMPR STARTING EVENING VIS MODERATE TO POOR
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SW 6/7 WITH GUSTS INCR SW 7/8 WITH GUSTS BY 04/1800 AFTERWARDS SW 6/5 BY 5/0900 PROB OF MIST PROB OFMOD RAIN IMPR DURING THE EVENING VIS POOR TO MODERATE OCNL VERY POOR
SOUTHERN BELLINGSHAUSEN SEA W OF 75W: SW 8/7 WITH GUSTS DECR SW 6/5 BY 04/2100 AFTERWARDS SECTOR W 5/4 BY 5/0600 PROB OF FOG PROB OFISOL SNOW FALL IMPR STARTING NOON VIS VERY POOR TO POOR OCNL MODERATE
SOUTHERN BELLINGSHAUSEN SEA REST OF THE AREA: NE 3/4 VEER SECTOR S 3/4 BY 5/0300 PROB OF MIST PROB OF SNOW FALL SPELLS OF GOOD WEATHER TOWARDS THE END OF THE PERIOD VIS POOR TO MODERATE
NORTHERN WEDDELL SEA W OF 40W: SW 6/5 DECR SW 5/4 BY 5/0000 PROB OF MIST FOG PATCHES PROB OFISOL RAIN IMPR STARTING EVENING VIS VERY POOR TO POOR OCNL MODERATE
NORTHERN WEDDELL SEA REST OF THE AREA: NE 4/5 INCR NE 5/6 BY 04/1800 AFTERWARDS SECTOR W 6 BY 5/0000 PROB OF MIST PROB OFMOD RAIN IMPR GRADUALLY DURING THE EARLY MORNING VIS MODERATE TO POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): NE 3/5 BACK SECTOR S 4 BY 04/2100 AFTERWARDS SW 3 BY 5/0300 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER DURING THE EVENING VIS POOR TO MODERATE=
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
2026-02-04, 12:00 UTC.
NATIONAL WEATHER SERVICE
SEA ICE AND ICEBERGS ISSUED BY SHN
PRESSURE HPA
BEAUFORT SCALE WINDS.
PART 1
NO WARNINGS
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1003HPA 46S 67W MOV E DPN EXP 48S 55W BY 05/1200 EXTENDS CFNT AT 46S 66W 43S
64W 38S 70W MOV NE ASOCIATED WITH OFNT AT 46S 66W 48S 67W 45S 69W
HIGH 1017HPA 45S 54W MOV E NC EXP 42S 35W BY 05/1200 EXTENDS RIDGE AT 37S 62W
45S 54W 47S 39W 53S 26W MOV E
STATIONARY FRONT 35S 64W 36S 61W 35S 56W
LOW 1005HPA 42S 35W MOV E NC EXP 45S 25W BY 04/2100 EXTENDS CFNT AT 42S 35W 37S
46W 35S 56W MOV E
CFNT AT 48S 20W 46S 26W 44S 31W MOV E
031400 UTC 1.SEA ICE LIMIT 7250S 02032W 7119S 02426W 6646S 03018W 6100S 03424W
6118S 03837W 6121S 04341W 6041S 04601W 6027S 04831W 6125S 05006W 6208S 05122W
6337S 05553W 6608S 06716W 2.ICEBERGS GREATER THAN 10NM A23A 5014S 03959W 26X22NM
A23J 5203S 04111W 11X8NM A77 5049S 02551W 27X4NM A76C 5939S 03754W 16X7NM B15AB
5618S 03355W 10X4NM 3.ICEBERGS SMALLER THAN 10NM ICEBERG1 5230S 03936W 6X2NM
ICEBERG2 5208S 04057W 2X1NM ICEBERG3 5211S 04101W 5X1NM ICEBERG4 5906S 03528W
5X2NM ICEBERG5 5209S 04104W 5X2NM ICEBERG6 5152S 04102W 8X3NM ICEBERG7 4855S
04029W 4X1NM ICEBERG8 4939S 03703W 3X1NM ICEBERG9 5145S 04036W 6X1NM ICEBERG10
6017S 05042W 5X4NM 4.ICEBERGS AREA A 6000S 02000W 4450S 02000W 4500S 03500W
6000S 03520W B 6000S 03520W 4740S 03448W 4815S 04215W 6040S 04800W C 7040S
02000W 6020S 02000W 6000S 03520W 7100S 02640W D 6040S 04800W 5550S 04500W 6320S
06716W 6650S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-02-5
COASTAL AREAS:
INNER RIO DE LA PLATA: SE 3 TEMPO BACK SECTOR E 4 BY 5/0000 PROB OF RAIN STORMS
STARTING EVENING MIST FOG PATCHES DISSIPATING MIST FOG PATCHES STARTING EARLY
MORNING VIS GOOD OCNL POOR
OUTER RIO DE LA PLATA: SE 3 TEMPO BACK SECTOR E 4/5 BY 5/0000 PROB OF ISOL RAIN
STORMS STARTING EVENING MIST DISSIPATING MIST FOG PATCHES STARTING EARLY MORNING
VIS GOOD OCNL POOR
URUGUAY SOUTH EAST COASTS: SECTOR E 3/4 BACK NE STARTING THE END OF THE PERIOD
WORSENING MIST DISSIPATING MIST STARTING EARLY MORNING VIS GOOD OCNL MODERATE
MAR DEL PLATA COASTS(3617S - 3830S): SECTOR N 3/4 BACK SECTOR S 4 BY 5/1200
PROB OF HVY RAIN STORMS STARTING EARLY MORNING MIST FOG PATCHES DISSIPATING VIS
GOOD OCNL POOR
RINCON BAHIA BLANCA COASTS(3830S - 41S): SECTOR N 3/4 BACK SECTOR S 6/5 BY
5/0900 PROB OF HVY RAIN STORMS STARTING NIGTH NXT SH MIST FOG PATCHES VIS
MODERATE OCNL POOR
PENINSULA DE VALDES COASTS(41S - 45S): SECTOR N 5/4 WITH GUSTS BACK SECTOR S
6/5 WITH GUSTS BY 04/1800 PROB OF HVY RAIN STORMS NXT SH VIS POOR OCNL
MODERATE
GOLFO DE SAN JORGE COASTS(45S - 48S): SECTOR N 5 WITH GUSTS BACK SECTOR W 6/5
PROB OF HVY STORMS NXT SH VIS POOR TO MODERATE
SOUTH PATAGONIA COASTS(48S - 54S): SECTOR S 5/4 WITH GUSTS VEER SW 6/7 WITH
GUSTS BY 5/0600 PROB OF HVY SH RAIN VIS POOR
FIN DEL MUNDO COASTS(54S - 55S): SECTOR W 5 BACK SW 6/7 WITH GUSTS BY 5/0600
PROB OF HVY SH RAIN VIS POOR
ISLAS MALVINAS COASTS: SECTOR W 5 WITH GUSTS BACK SW 6/7 WITH GUSTS BY 5/1200
PROB OF HVY SH RAIN STARTING EVENING VIS MODERATE TO POOR
OCEANIC AREAS:
NORTH AREA (35S- 40S AND 20W- 55W) E OF 30W: NW 5 BACK SECTOR W 3 PROB OF SH
IMPR VIS MODERATE TO GOOD
E OF 40 - W OF 30W: SECTOR W 3 BACK SECTOR S VIS GOOD
REST OF THE AREA: SE 3 BACK SECTOR N PROB OF ISOL RAIN VIS GOOD OCNL MODERATE
CENTRAL EAST AREA (40S- 50S AND 20W- 40W) NE OF THE REGION: NW 3 BACK SECTOR S
5/4 PROB OF RAIN STARTING EVENING VIS GOOD TO POOR
NW OF THE REGION: SECTOR S 5/4 BACK NE 3 PROB OF RAIN IMPR VIS MODERATE TO
GOOD
REST OF THE AREA: SECTOR W 5 PROB OF RAIN IMPR VIS POOR TO GOOD
CENTRAL WEST AREA (40S- 50S AND 40W- 60W) NE OF THE REGION: SECTOR E 4/3 BACK
SECTOR N 3/4 PROB OF ISOL RAIN IMPR VIS GOOD OCNL MODERATE
NW OF THE REGION: SECTOR N 4/6 WITH GUSTS BACK SW 6/5 PROB OF RAIN NXT SH VIS
GOOD TO POOR
SE OF THE REGION: SECTOR W 5 VEER SECTOR N 6/7 WITH GUSTS PROB OF HVY RAIN
STORMS STARTING NIGTH VIS GOOD TO POOR
REST OF THE AREA: SECTOR N 4/5 VEER SECTOR W 7 WITH GUSTS BY 5/0600 PROB OF HVY
RAIN STORMS STARTING EVENING VIS GOOD TO POOR
SOUTH EAST AREA (50S- 60S AND 20W- 40W) E OF 30W: SECTOR W 5/7 WITH GUSTS PROB
OF RAIN AND SNOW MIXTURE VIS POOR
REST OF THE AREA: SECTOR N 6/5 WITH GUSTS BACK SECTOR W 7/6 WITH GUSTS PROB OF
RAIN AND SNOW MIXTURE VIS POOR
SOUTH WEST AREA (50S- 60S AND 40W- 60W): SECTOR W 6/5 WITH GUSTS PROB OF RAIN
AND SNOW MIXTURE VIS POOR OCNL MODERATE
DRAKE AREA (55S- 60S AND 60W- 67W): SECTOR W 5/7 WITH GUSTS BACK SW 7 WITH GUSTS
PROB OF RAIN AND SNOW MIXTURE VIS POOR
-----------------------------------------------------------------
NNNN=