FQAU23 AMMC 212000

IDY10220

SECURITE



High Seas Forecast for Western METAREA 10

12S TO 30S BETWEEN 90E AND 125E, AND 30S TO 50S BETWEEN 80E AND 129E



Issued by the Australian Government Bureau of Meteorology

For 24 hours commencing 2300 UTC 21 February 2026



Part 1 Warnings

Refer to latest warnings for details of the area affected.



Melbourne Gale Warning 6.

Melbourne Gale Warning 8.



Part 2 Situation at 211800 UTC

Low 974hPa south of area near 52S094E. Forecast low 970hPa south of area near

52S126E at 230000UTC.



Trough near 12S093E 12S108E. Forecast trough near 12S091E 13S097E 13S108E at

230000UTC.



Ridge near 41S109E 50S109E. Forecast weakening ridge near 42S117E 50S117E at

220300UTC.



Part 3 Forecast

Refer to latest warnings for boundary of affected area and type of weather

system.



East of line 24S112E 27S108E 33S113E: Southerly quarter winds 20/33 knots.

Rough to very rough seas. Moderate to heavy swell.



South of line 50S085E 43S089E 38S107E 40S129E, outside of warning areas:

Southwesterly quarter winds turning clockwise within 660nm of low. Wind speeds

25/33 knots, easing below 25 knots within 180nm of ridge until 220300UTC. Rough

to very rough seas. Moderate to heavy swell.



Remainder:

Winds not exceeding 25 knots. Slight to moderate seas. Low to moderate swell,

increasing to moderate to heavy swell south of line 40S080E 33S102E 31S115E.



Rain areas, scattered showers and isolated thunderstorms within 120nm of front

and trough, and within 480nm of low. Heavy at times within 120nm of trough.

Visibility reducing below 2nm in precipitation.



Please be aware

Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger

than the forecast, and stronger still in squalls and thunderstorms. Maximum

waves can be twice the forecast height.



WEATHER MELBOURNE



The next routine forecast will be issued at 08:00 UTC Sunday.