FQAU23 AMMC 170900

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 1100 UTC 17 April 2026



Part 1 Warnings

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

system.



Melbourne Gale Warning 1.

Melbourne Gale Warning 3.

Melbourne Gale Warning 4.

Melbourne Gale Warning 5.



Part 2 Situation at 170600 UTC

Cold front [1] 31S108E 38S113E 50S115E. Forecast east of area near 37S133E

47S133E 50S130E at 181200UTC.



Cold front [2] 40S091E 50S095E. Forecast near 36S109E 44S119E 50S120E at

181200UTC.



Part 3 Forecast

Refer to latest warnings for details of the area affected.



South of line 40S080E 30S105E 35S129E, outside warning areas:

Westerly quarter winds, turning southwesterly quarter west of 90E. Winds

shifting northerly quarter within 360nm east of cold front [1], northwesterly

quarter within 240nm east of cold front [2] and southwesterly quarter within

180nm west of cold front [1]. Wind speeds 20/33 knots. Rough to very rough

seas. Moderate to heavy swell.



Remainder:

Winds not exceeding 25 knots. Moderate to rough seas. Low to moderate swell.



Rain areas, scattered showers and isolated thunderstorms mostly within 180nm of

cold fronts and north of line 20S090E 17S100E. Heavy at times within 60nm of

line 15S090E 15S092E. 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 21:00 UTC Friday.