WWAA02 SAWB 221200
1:31:06:01:00
SECURITE
WEATHER BULLETIN FOR SHIPPING - METAREA 6-
12:00 UTC 22, AUGUST 2026.
NATIONAL WEATHER SERVICE (NWS)
SEA ICE AND ICEBERGS ISSUED BY SHN PRESSURE HPA BEAUFORT SCALE WINDS
PART 1 GALE WARNING:
1099/2026 STRONG BARIC GRADIENT SOUTHERN BELLINGSHAUSEN SEA MOV E DEEPENING WILL PROVOKE WINDS FORCE 8 WITH GUST IN 68S-73S 90W-70W FROM 23/0300 UNTIL 23/1800
PART 2 GENERAL SYNOPSIS AT 09:00UTC
LOW 1014HPA 62S 62W MOV E WKN
HIGH 1018HPA 64S 55W MOV NE INTSF EXTENDS RIDGE AT 64S 55W 67S 51W 70S 45W MOV E
LOW 1017HPA 70S 75W MOV E WKN
RIDGE 60S 80W 65S 78W 68S 75W MOV E WKN
211400 UTC 1.SEA ICE LIMIT 5547S 02000W 5416S 02618W 5352S 03217W 5617S 03757W 5825S 04316W 5953S 04814W 6047S 05247W 6215S 05654W 6338S 06032W 6135S 06337W 6213S 06558W 6233S 06716W 2.ICEBERGS GREATER THAN 10NM D33B 6007S 05043W 21X12NM A81 5843S 05052W 28X25NM A76C 5314S 03010W 16X6NM 3.ICEBERGS SMALLER THAN 10NM D33C 6158S 05429W 9X5NM ICEBERG1 6008S 04940W 5X3NM ICEBERG2 6101S 05406W 5X3NM ICEBERG3 6126S 05412W 6X4NM ICEBERG4 6113S 05358W 2X1NM ICEBERG5 6107S 05417W 3X1NM 4.ICEBERGS AREA A5602S 02000W 4600S 02000W 5000S 03000W 5300S 03000W B5300S 03000W 5055S 03003W 5400S 04504W 5900S 04500W C5900S 04500W 5400S 04504W 5900S 05500W 6100S 05500W D6100S 05500W 5900S 05500W 6100S 06716W 6200S 06716W
PART 3 FORECAST ISSUED 12:00 UTC VALID UNTIL 12:00 UTC 2026-08-23
COASTAL AREAS:
SOUTHERN PORTION OF DRAKE STRAIT W OF 60W: SW 4/5 WITH GUSTS VEER SECTOR W 5/4 BY 23/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
SOUTHERN PORTION OF DRAKE STRAIT REST OF THE AREA: SECTOR S 5/4 BACK SE 4/3 BY 23/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
MAR DE LA FLOTA COASTS W OF 60W: SW 4/5 WITH GUSTS VEER SECTOR W 5/4 BY 23/0300 PROB OF MIST PROB OFISOL SNOW FALL IMPR TOWARDS NIGTH VIS POOR TO MODERATE OCNL GOOD
MAR DE LA FLOTA COASTS REST OF THE AREA: SECTOR S 5/4 BACK SE 4/3 BY 23/0000 PROB OF MIST PROB OFINTERMITTENT SNOW FALL IMPR TOWARDS NIGTH VIS MODERATE TO GOOD
GERLACHE STRAIT : SW 3/4 VEER SECTOR W 4/3 BY 23/0000 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL WORSENING DURING THE EVENING VIS GOOD TO MODERATE OCNL POOR
MARGARITA BAY : NE 3/4 VEER SECTOR E 3/4 BY 22/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING STARTING NIGTH VIS GOOD TO MODERATE OCNL POOR
EREBUS Y TERROR GULF : SW 5/4 VEER NW 4 BY 22/2100 PROB OF FOG AND MIST IN PATCHES WORSENING TOWARDS NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
OCEANIC AREAS:
NORTHER BELLINGSHAUSEN SEA N OF 64S: SW 5/4 VEER SECTOR W 4/3 BY 22/1800 PROB OF MIST PROB OFISOL SNOW FALL IMPR STARTING EVENING VIS MODERATE TO GOOD
NORTHER BELLINGSHAUSEN SEA REST OF THE AREA: SECTOR W 4/5 VEER NW 5/6 WITH GUSTS BY 23/0000 PROB OF MIST PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER STARTING NOON VIS POOR TO MODERATE OCNL GOOD
SOUTHERN BELLINGSHAUSEN SEA (66-73S 70-90W): NW 5/6 WITH GUSTS INCR NW 7/8 WITH GUSTS BY 23/0300 PROB OF FOG AND MIST IN PATCHES PROB OFISOL SNOW FALL SPELLS OF GOOD WEATHER TOWARDS NOON VIS VERY POOR TO MODERATE
NORTHERN WEDDELL SEA N OF 64S: SECTOR S 5/6 WITH GUSTS VEER SW 4/3 BY 23/0300 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE NIGTH VIS GOOD TO MODERATE OCNL VERY POOR
NORTHERN WEDDELL SEA REST OF THE AREA: SECTOR S 3/4 VEER NW 4/5 BY 23/0000 PROB OF FOG AND MIST IN PATCHES WORSENING DURING THE EARLY MORNING VIS GOOD TO MODERATE OCNL VERY POOR
SOUTHERN WEDDELL SEA (68-78S 20-60W): SW 3/4 VEER NW 4/5 BY 22/2100 PROB OF MIST PROB OFISOL SNOW FALL WORSENING SLOWLY TOWARDS NIGTH VIS GOOD TO MODERATE=